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Editing File: /usr/share/man/man1/goaccess.1

.TH goaccess 1 "MAR 2025" GNU+Linux "User Manuals"
.SH NAME
goaccess \- fast web log analyzer and interactive viewer.
.SH SYNOPSIS
.LP
.B goaccess [filename] [options...] [-c][-M][-H][-q][-d][...]
.SH DESCRIPTION
.B goaccess
GoAccess is an open source real-time web log analyzer and interactive viewer
that runs in a
.I terminal
in *nix systems or through your
.I browser.
.P
It provides fast and valuable HTTP statistics for system administrators that
require a visual server report on the fly.
.P
GoAccess parses the specified web log file and outputs the data to the X
terminal. Features include:

.IP "General Statistics:"
This panel gives a summary of several metrics, such as the number of valid and
invalid requests, time taken to analyze the dataset, unique visitors, requested
files, static files (CSS, ICO, JPG, etc) HTTP referrers, 404s, size of the
parsed log file and bandwidth consumption.
.IP "Unique visitors"
This panel shows metrics such as hits, unique visitors and cumulative bandwidth
per date. HTTP requests containing the same IP, the same date, and the same
user agent are considered a unique visitor. By default, it includes web
crawlers/spiders.
.IP
Optionally, date specificity can be set to the hour level using
.I --date-spec=hr
which will display dates such as 05/Jun/2016:16, or to the minute level
producing 05/Jun/2016:16:59. This is great if you want to track your daily
traffic at the hour or minute level.
.IP "Requested files"
This panel displays the most requested (non-static) files on your web server.
It shows hits, unique visitors, and percentage, along with the cumulative
bandwidth, protocol, and the request method used.
.IP "Requested static files"
Lists the most frequently static files such as: JPG, CSS, SWF, JS, GIF, and PNG
file types, along with the same metrics as the last panel. Additional static
files can be added to the configuration file.
.IP "404 or Not Found"
Displays the same metrics as the previous request panels, however, its data
contains all pages that were not found on the server, or commonly known as 404
status code.
.IP "Hosts"
This panel has detailed information on the hosts themselves. This is great for
spotting aggressive crawlers and identifying who's eating your bandwidth.

Expanding the panel can display more information such as host's reverse DNS
lookup result, country of origin and city. If the
.I -a
argument is enabled, a list of user agents can be displayed by selecting the
desired IP address, and then pressing ENTER.
.IP "Operating Systems"
This panel will report which operating system the host used when it hit the
server. It attempts to provide the most specific version of each operating
system.
.IP "Browsers"
This panel will report which browser the host used when it hit the server. It
attempts to provide the most specific version of each browser.
.IP "Visit Times"
This panel will display an hourly report. This option displays 24 data points,
one for each hour of the day.
.IP
Optionally, hour specificity can be set to the tenth of an hour level using
.I --hour-spec=min
which will display hours as 16:4 This is great if you want to spot peaks of
traffic on your server.
.IP "Virtual Hosts"
This panel will display all the different virtual hosts parsed from the access
log. This panel is displayed if
.I %v
is used within the log-format string.
.IP "Referrers URLs"
If the host in question accessed the site via another resource, or was
linked/diverted to you from another host, the URL they were referred from will
be provided in this panel. See `--ignore-panel` in your configuration file to
enable it.
.I disabled
by default.
.IP "Referring Sites"
This panel will display only the host part but not the whole URL. The URL where
the request came from.
.IP "Keyphrases"
It reports keyphrases used on Google search, Google cache, and Google translate
that have lead to your web server. At present, it only supports Google search
queries via HTTP. See `--ignore-panel` in your configuration file to enable it.
.I disabled
by default.
.IP "Geo Location"
Determines where an IP address is geographically located. Statistics are broken
down by continent and country. It needs to be compiled with GeoLocation
support.
.IP "HTTP Status Codes"
The values of the numeric status code to HTTP requests.
.IP "ASN"
This panel displays ASN (Autonomous System Numbers) data for GeoIP2 and legacy
databases. Great for detecting malicious traffic and blocking accordingly.
.IP "Remote User (HTTP authentication)"
This is the userid of the person requesting the document as determined by HTTP
authentication. If the document is not password protected, this part will be
"-" just like the previous one. This panel is not enabled unless
.I %e
is given within the log-format variable.
.IP "Cache Status"
If you are using caching on your server, you may be at the point where you
want to know if your request is being cached and served from the cache. This
panel shows the cache status of the object the server served. This panel is not
enabled unless
.I %C
is given within the log-format variable. The status can be either
 `MISS`, `BYPASS`, `EXPIRED`, `STALE`, `UPDATING`, `REVALIDATED` or `HIT`
.IP "MIME Types"
This panel specifies Media Types (formerly known as MIME types) and Media
Subtypes which will be assigned and listed underneath. This panel is not
enabled unless
.I %M
is given within the log-format variable. See
https://www.iana.org/assignments/media-types/media-types.xhtml for more
details.
.IP "Encryption Settings"
This panel shows the SSL/TLS protocol used along the Cipher Suites. This panel
is not enabled unless
.I %K
is given within the log-format variable.

.P
.I NOTE:
Optionally and if configured, all panels can display the average time taken to
serve the request.

.SH STORAGE
.P
There are three storage options that can be used with GoAccess. Choosing one
will depend on your environment and needs.
.TP
Default Hash Tables
In-memory storage provides better performance at the cost of limiting the
dataset size to the amount of available physical memory. GoAccess uses
in-memory hash tables. It has very good memory usage and pretty good
performance. This storage has support for on-disk persistence.
.SH CONFIGURATION
.P
Multiple options can be used to configure GoAccess. For a complete up-to-date
list of configure options, run
.I ./configure --help
.TP
\fB\-\-enable-debug
Compile with debugging symbols and turn off compiler optimizations.
.TP
\fB\-\-enable-utf8
Compile with wide character support. Ncursesw is required.
.TP
\fB\-\-enable-geoip=<legacy|mmdb>
Compile with GeoLocation support. MaxMind's GeoIP is required.
.I legacy
will utilize the original GeoIP databases.
.I mmdb
will utilize the enhanced GeoIP2 databases.
.TP
\fB\-\-with-getline
Dynamically expands line buffer in order to parse full line requests instead of
using a fixed size buffer of 4096.
.TP
\fB\-\-with-openssl
Compile GoAccess with OpenSSL support for its WebSocket server.
.SH OPTIONS
.P
The following options can be supplied to the command or specified in the
configuration file. If specified in the configuration file, long options need
to be used without prepending -- and without using the equal sign =.
.SS
LOG/DATE/TIME FORMAT
.TP
\fB\-\-time-format=<timeformat>
The time-format variable followed by a space, specifies the log format time
containing either a name of a predefined format (see options below) or any
combination of regular characters and special format specifiers.
.IP
They all begin with a percentage (%) sign. See `man strftime`.
.I %T or %H:%M:%S.
.IP
Note that if a timestamp is given in microseconds,
.I %f
must be used as time-format.
If the timestamp is given in milliseconds
.I %*
must be used as time-format.
.TP
\fB\-\-date-format=<dateformat>
The date-format variable followed by a space, specifies the log format time
containing either a name of a predefined format (see options below) or any
combination of regular characters and special format specifiers.
.IP
They all begin with a percentage (%) sign. See `man strftime`.
.I %Y-%m-%d.
.IP
Note that if a timestamp is given in microseconds,
.I
%f
must be used as date-format.
If the timestamp is given in milliseconds
.I %*
must be used as date-format.
.TP
\fB\-\-datetime-format=<date_time_format>
The date and time format combines the two variables into a single option. This
gives the ability to get the timezone from a request and convert it to another
timezone for output. See
.I --tz=<timezone>
.IP
They all begin with a percentage (%) sign. See `man strftime`. e.g.,
.I %d/%b/%Y:%H:%M:%S %z.
.IP
Note that if --datetime-format is used,
.I %x
must be passed in the log-format variable to represent the date and time field.
.TP
\fB\-\-log-format=<logformat>
The log-format variable followed by a space or
.I \\\\t
for tab-delimited, specifies the log format string.

Note that if there are spaces within the format, the string needs to be
enclosed in single/double quotes. Inner quotes need to be escaped.
.IP
In addition to specifying the raw log/date/time formats, for simplicity, any of
the following predefined log format names can be supplied to the
log/date/time-format variables. GoAccess can also handle one predefined name in
one variable and another predefined name in another variable.
.IP
  COMBINED     - Combined Log Format,
  VCOMBINED    - Combined Log Format with Virtual Host,
  COMMON       - Common Log Format,
  VCOMMON      - Common Log Format with Virtual Host,
  W3C          - W3C Extended Log File Format,
  SQUID        - Native Squid Log Format,
  CLOUDFRONT   - Amazon CloudFront Web Distribution,
  CLOUDSTORAGE - Google Cloud Storage,
  AWSELB       - Amazon Elastic Load Balancing,
  AWSS3        - Amazon Simple Storage Service (S3)
  AWSALB       - Amazon Application Load Balancer
  CADDY        - Caddy's JSON Structured format (local/info format)
  TRAEFIKCLF   - Traefik's CLF flavor
.IP
.I Note:
Generally, you need quotes around values that include white spaces, commas,
pipes, quotes, and/or brackets. Inner quotes must be escaped.
.IP
.I Note:
Piping data into GoAccess won't prompt a log/date/time configuration dialog,
you will need to previously define it in your configuration file or in the
command line.
.IP
.I Note:
The default GoAccess format for CADDY is the 'local/info' format. Nevertheless,
if needed, you have the option to utilize a custom GoAccess log format to match
your particular configuration.
.SS
USER INTERFACE OPTIONS
.TP
\fB\-c \-\-config-dialog
Prompt log/time/date configuration window on program start. Only when curses is
initialized.
.TP
\fB\-i \-\-hl-header
Color highlight active terminal panel.
.TP
\fB\-m \-\-with-mouse
Enable mouse support on main terminal dashboard.
.TP
\fB\-\-\-color=<fg:bg[attrs, PANEL]>
Specify custom colors for the terminal output.

.I Color Syntax
  DEFINITION space/tab colorFG#:colorBG# [attributes,PANEL]

FG# = foreground color [-1...255] (-1 = default term color)
 BG# = background color [-1...255] (-1 = default term color)

Optionally, it is possible to apply color attributes (multiple attributes are
comma separated), such as:
.I bold,
.I underline,
.I normal,
.I reverse,
.I blink

If desired, it is possible to apply custom colors per panel, that is, a metric
in the REQUESTS panel can be of color A, while the same metric in the BROWSERS
panel can be of color B.

.I Available color definitions:
  COLOR_MTRC_HITS
  COLOR_MTRC_VISITORS
  COLOR_MTRC_DATA
  COLOR_MTRC_BW
  COLOR_MTRC_AVGTS
  COLOR_MTRC_CUMTS
  COLOR_MTRC_MAXTS
  COLOR_MTRC_PROT
  COLOR_MTRC_MTHD
  COLOR_MTRC_HITS_PERC
  COLOR_MTRC_HITS_PERC_MAX
  COLOR_MTRC_VISITORS_PERC
  COLOR_MTRC_VISITORS_PERC_MAX
  COLOR_PANEL_COLS
  COLOR_BARS
  COLOR_ERROR
  COLOR_SELECTED
  COLOR_PANEL_ACTIVE
  COLOR_PANEL_HEADER
  COLOR_PANEL_DESC
  COLOR_OVERALL_LBLS
  COLOR_OVERALL_VALS
  COLOR_OVERALL_PATH
  COLOR_ACTIVE_LABEL
  COLOR_BG
  COLOR_DEFAULT
  COLOR_PROGRESS

See configuration file for a sample color scheme.
.TP
\fB\-\-color-scheme=<1|2|3>
Choose among color schemes.
.I 1
for the default grey scheme.
.I 2
for the green scheme.
.I 3
for the Monokai scheme (shown only if terminal supports 256 colors).
.TP
\fB\-\-crawlers-only
Parse and display only crawlers (bots).
.TP
\fB\-\-html-custom-css=<path/custom.css>
Specifies a custom CSS file path to load in the HTML report.
.TP
\fB\-\-html-custom-js=<path/custom.js>
Specifies a custom JS file path to load in the HTML report.
.TP
\fB\-\-html-report-title=<title>
Set HTML report page title and header.
.TP
\fB\-\-html-refresh=<secs>
Refresh the HTML report every X seconds. The value has to be between 1 and 60
seconds. The default is set to refresh the HTML report every 1 second.
.TP
\fB\-\-html-prefs=<JSON>
Set HTML report default preferences. Supply a valid JSON object containing the
HTML preferences. It allows the ability to customize each panel plot. See
example below.
.IP
.I Note:
The JSON object passed needs to be a one line JSON string. For instance,
.IP
.nf
\-\-html-prefs='{"theme":"bright","perPage":5,"layout":"horizontal","showTables":true,"visitors":{"plot":{"chartType":"bar"}}}'
.fi
.TP
\fB\-\-json-pretty-print
Format JSON output using tabs and newlines.
.IP
.I Note:
This is not recommended when outputting a real-time HTML report since the
WebSocket payload will much much larger.
.TP
\fB\-\-max-items=<number>
The maximum number of items to display per panel. The maximum can be a number
between 1 and n.
.IP
.I Note:
Only the CSV and JSON output allow a maximum number greater than the default
value of 366 (or 50 in the real-time HTML output) items per panel.
.TP
\fB\-\-no-color
Turn off colored output. This is the default output on terminals that do not
support colors.
.TP
\fB\-\-no-column-names
Don't write column names in the terminal output. By default, it displays column
names for each available metric in every panel.
.TP
\fB\-\-no-csv-summary
Disable summary metrics on the CSV output.
.TP
\fB\-\-no-progress
Disable progress metrics [total requests/requests per second].
.TP
\fB\-\-no-tab-scroll
Disable scrolling through panels when TAB is pressed or when a panel is
selected using a numeric key.
.TP
\fB\-\-no-html-last-updated
Do not show the last updated field displayed in the HTML generated report.
.TP
\fB\-\-no-parsing-spinner
Do now show the progress metrics and parsing spinner.
.TP
\fB\-\-tz=<timezone>
Outputs the report date/time data in the given timezone. Note that it uses the
canonical timezone name. e.g.,
.I Europe/Berlin
or
.I America/Chicago
or
.I Africa/Cairo
If an invalid timezone name is given, the output will be in GMT. See
.I --datetime-format
in order to properly specify a timezone in the date/time format.
.SS
SERVER OPTIONS
.P
.I Note
This is just a WebSocket server to provide the raw real-time data.
It is not a WebServer itself. To access your reports html file, you will
still need your own HTTP server, place the generated report in it's document
root dir and open the html file in your browser. The browser will then open
another WebSocket-connection to the ws-server you may setup here,
to keep the dashboard up-to-date.
.TP
\fB\-\-addr
Specify IP address to bind the server to. Otherwise it binds to 0.0.0.0.
.IP
Usually there is no need to specify the address, unless you intentionally would
like to bind the server to a different address within your server.
.TP
\fB\-\-daemonize
Run GoAccess as daemon (only if \fB\-\-real-time-html enabled).
.IP
Note: It's important to make use of absolute paths across GoAccess'
configuration.
.TP
\fB\-\-user-name=<username>
Run GoAccess as the specified user.
.IP
Note: It's important to ensure the user or the users' group can access the
input and output files as well as any other files needed.
Other groups the user belongs to will be ignored.
As such it's advised to run GoAccess behind a SSL proxy as it's unlikely this
user can access the SSL certificates.
.TP
\fB\-\-origin=<url>
Ensure clients send the specified origin header upon the WebSocket handshake.
.TP
\fB\-\-pid-file=<path/goaccess.pid>
Write the daemon PID to a file when used along the --daemonize option.
.TP
\fB\-\-port=<port>
Specify the port to use. By default GoAccess' WebSocket server listens on port
7890.
.TP
\fB\-\-real-time-html
Enable real-time HTML output.
.IP
GoAccess uses its own WebSocket server to push the data from the server to the
client. See http://gwsocket.io for more details how the WebSocket server works.

.TP
\fB\-\-ws-auth=<jwt[:secret]> | jwt:verify:secret\fR
Enable WebSocket authentication using a JSON Web Token (JWT). This option
supports two formats depending on whether the JWT is locally generated or
externally fetched and verified:
.IP
\fB<jwt[:secret]>\fR: Specifies a static JWT for WebSocket authentication, with
an optional secret for local generation or validation. If only "jwt" is
provided (e.g., \fB\-\-ws-auth=jwt\fR), GoAccess generates a JWT using a secret
sourced from the environment variable \fBGOACCESS_WSAUTH_SECRET\fR or a default
HS256-compatible secret if unset. If a secret is included (e.g.,
\fB\-\-ws-auth=jwt:mysecret\fR), it's used directly as the HS256 signing key or
read from a file if the value is a valid path (e.g.,
\fB\-\-ws-auth=jwt:/path/to/secret.key\fR).
.IP
\fBjwt:verify:secret\fR: Enables verification of an externally fetched JWT
(e.g., via \fB\-\-ws-auth-url\fR). The "verify" keyword indicates that the JWT
is provided by an external source, and the secret must be specified for
validation. The secret can be a direct HS256 key (e.g.,
\fB\-\-ws-auth=jwt:verify:mysecret\fR), a file path (e.g.,
\fB\-\-ws-auth=jwt:verify:/path/to/secret.key\fR), or an environment variable
name (e.g., \fB\-\-ws-auth=jwt:verify:$JWT_SECRET\fR). This format is required
when using \fB\-\-ws-auth-url\fR and optionally \fB\-\-ws-auth-refresh-url\fR
to fetch and verify JWTs from external endpoints.
.IP
When this option is used, the HTML report will not bootstrap the initial parsed
data. Instead, it will only display the report if authentication succeeds,
ensuring secure access to real-time data.
.IP
The system processes this option as follows:
.IP
For \fB<jwt[:secret]>\fR: If no secret is provided, GoAccess generates a JWT
locally using the \fBGOACCESS_WSAUTH_SECRET\fR environment variable or a
default secret. If a secret is specified, it's used to sign the JWT (either
directly or from a file).
.IP
For \fBjwt:verify:secret\fR: The secret is mandatory and used to verify
externally fetched JWTs. It must match the signing key used by the external
authentication server (e.g., at \fB\-\-ws-auth-url\fR).
.IP
Requires to build GoAccess with
.I --with-openssl.
.TP
\fB\-\-ws-auth-expire=<secs>
Set the time after which the JWT expires. Defaults to 8 hours (28800 seconds)
if not specified.
.IP
.I Only
available for locally generated JWT.
.IP
Users can specify the expiration time in various formats. The value is
converted to seconds for JWT expiration validation. Supported formats:
.RS
.IP \(bu 4
"3600"       -> 3600 seconds
.IP \(bu 4
"120s"       -> 2 minutes
.IP \(bu 4
"24h"        -> 24 hours = 86,400 seconds
.IP \(bu 4
"10m"        -> 10 minutes = 600 seconds
.IP \(bu 4
"10d"        -> 10 days = 864,000 seconds
.RE
.IP
The expiration time controls how long the JWT remains valid after issuance,
ensuring secure WebSocket connections.
.TP
\fB\-\-ws-auth-url=<url>
Specifies the URL where GoAccess fetches the initial JWT to authenticate the
WebSocket connection.
.IP
When this option is used, GoAccess sends a GET request to the specified URL to
fetch an initial JWT. The response must be a JSON object containing
\fBstatus\fR, \fBaccess_token\fR, \fBrefresh_token\fR, and \fBexpires_in\fR
fields.
.IP
Example: \fB\-\-ws-auth-url=https://site.com/api/get-auth-token\fR
.IP
When fetching the token, GoAccess uses
.I { credentials: 'include' }
as part of the request to securely retrieve the access token based on the
user’s existing authentication session in your system, ensuring token retrieval
is safe as long as your users are authenticated.
.IP
This option allows you to integrate your existing authentication system with
the GoAccess dashboard, using token retrieval endpoints.
.TP
\fB\-\-ws-auth-refresh-url=<url>
Specifies the URL where GoAccess fetches a new JWT when the current one is about to expire.
.IP
GoAccess proactively refreshes the JWT 60 seconds before expiration by sending
a POST request with the refresh_token to this URL. If not provided, it defaults
to the same URL as \fB\-\-ws-auth-url\fR.
.IP
Example: \fB\-\-ws-auth-refresh-url=https://site.com/api/refresh-token\fR
.IP
The response format should match that of the initial authentication URL.
.SS "WebSocket Authentication Flow"
.IP
GoAccess offers flexible authentication options, supporting both stateless and
stateful approaches. In the stateless approach, the refresh token is obtained
without cookies or CSRF protection; your backend validates the refresh token’s
signature and issues a new access token. Alternatively, the stateful approach
allows the initial fetch to issue JWTs along with a `csrf_token`, which is
stored in the session. The subsequent refresh request (POST) then performs a
CSRF check, requiring the `X-CSRF-TOKEN` header to match the session’s token.
.IP
\fBInitial Authentication:\fR
.RS
.IP \(bu 4
When started with \fB\-\-ws-auth-url=<url>\fR, GoAccess sends a GET request to
fetch an initial JWT.
.IP \(bu 4
The expected successful response format:
.IP
    {
        "status"        : "success",
        "access_token"  : "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
        "csrf_token"    : "3RRjNeR4RTXHmrV1cECkyUmmKeRxm4lzkI0eq41o",
        "refresh_token" : "refresh123xyz",
        "expires_in"    : 3600
    }
.IP \(bu 4
If authentication fails, the endpoint should return:
.IP
    {
        "status": "error",
        "message": "User not authenticated"
    }
.RE
.IP
\fBToken Refreshing:\fR
.RS
.IP \(bu 4
GoAccess refreshes the JWT 60 seconds before expiration by sending a POST
request to the specified URL (defaults to \fB--ws-auth-url\fR if
\fB--ws-auth-refresh-url\fR is not set):
.IP
    { "refresh_token": "refresh123xyz" }
.IP
GoAccess supports both stateless and stateful authentication. For stateless, no
cookies or CSRF are required; your backend validates the refresh token
signature. For stateful, include a \fBcsrf_token\fR in the initial response;
GoAccess sends it as \fBX-CSRF-TOKEN\fR in the refresh request, which your
backend must validate against the session.
.RE
.IP
\fBPeriodic Token Validation:\fR
.RS
.IP \(bu 4
After refreshing, GoAccess confirms the updated JWT’s validity with the
WebSocket server by sending:
.IP
    { "action": "validate_token", "token": "current-jwt" }
.RE
.IP
\fBImportant Note:\fR For these options to function, you must specify
\fB\-\-ws-auth=jwt:verify:<secret>\fR where <secret> can be:
.RS
.IP \(bu 4
A path to a file containing the secret key (e.g., /path/to/secret.key)
.IP \(bu 4
An environment variable name that holds the secret (e.g., $JWT_SECRET)
.IP \(bu 4
The actual HS256 secret key as a string (e.g., mysecretkey123)
.RE
.IP
Example: \fB\-\-ws-auth=jwt:verify:/path/to/secret.key\fR
.TP
\fB\-\-ws-url=<[scheme://]url[:port]>
URL to which the WebSocket server responds. This is the URL supplied to the
WebSocket constructor on the client side.
.IP
Optionally, it is possible to specify the WebSocket URI scheme, such as
.I ws://
or
.I wss://
for unencrypted and encrypted connections. e.g.,
.I
wss://goaccess.io
.IP
If GoAccess is running behind a proxy, you could set the client side to connect
to a different port by specifying the host followed by a colon and the port.
e.g.,
.I goaccess.io:9999
.IP
By default, it will attempt to connect to the generated report's hostname. If
GoAccess is running on a remote server, the host of the remote server should be
specified here. Also, make sure it is a valid host and NOT an http address.
.TP
\fB\-\-ping-interval=<secs>
Enable WebSocket ping with specified interval in seconds. This helps prevent
idle connections getting disconnected.
.TP
\fB\-\-fifo-in=<path/file>
Creates a named pipe (FIFO) that reads from on the given path/file.
.TP
\fB\-\-fifo-out=<path/file>
Creates a named pipe (FIFO) that writes to the given path/file.
.TP
\fB\-\-ssl-cert=<cert.crt>
Path to TLS/SSL certificate. In order to enable TLS/SSL support, GoAccess
requires that \-\-ssl-cert and \-\-ssl-key are used.

Only if configured using --with-openssl
.TP
\fB\-\-ssl-key=<priv.key>
Path to TLS/SSL private key. In order to enable TLS/SSL support, GoAccess
requires that \-\-ssl-cert and \-\-ssl-key are used.

Only if configured using --with-openssl
.SS
FILE OPTIONS
.TP
\fB\-
The log file to parse is read from stdin.
.TP
\fB\-f \-\-log-file=<logfile>
Specify the path to the input log file. If set in the config file, it will take
priority over -f from the command line.
.TP
\fB\-S \-\-log-size=<bytes>
Specify the log size in bytes. This is useful when piping in logs for
processing in which the log size can be explicitly set.
.TP
\fB\-l \-\-debug-file=<debugfile>
Send all debug messages to the specified file.
.TP
\fB\-p \-\-config-file=<configfile>
Specify a custom configuration file to use. If set, it will take priority over
the global configuration file (if any).
.TP
\fB\-\-external-assets
Output HTML assets to external JS/CSS files. Great if you are setting up
Content Security Policy (CSP). This will create two separate files,
.I goaccess.js
and
.I goaccess.css
, in the same directory as your report.html file.
.TP
\fB\-\-invalid-requests=<filename>
Log invalid requests to the specified file.
.TP
\fB\-\-unknowns-log=<filename>
Log unknown browsers and OSs to the specified file.
.TP
\fB\-\-no-global-config
Do not load the global configuration file. This directory should normally be
/usr/local/etc, unless specified with
.I --sysconfdir=/dir.
See --dcf option for finding the default configuration file.
.SS
PARSE OPTIONS
.TP
\fB\-a \-\-agent-list
Enable a list of user-agents by host. For faster parsing, do not enable this
flag.
.TP
\fB\-d \-\-with-output-resolver
Enable IP resolver on HTML|JSON output.
.TP
\fB\-e \-\-exclude-ip=<IP|IP-range>
Exclude an IPv4 or IPv6 from being counted. Applicable solely during access log
data processing, it does not exclude persisted data.
Ranges can be included as well using a dash in between the IPs (start-end).
.IP
.I Examples:
  exclude-ip 127.0.0.1
  exclude-ip 192.168.0.1-192.168.0.100
  exclude-ip ::1
  exclude-ip 0:0:0:0:0:ffff:808:804-0:0:0:0:0:ffff:808:808
.TP
\fB\-j \-\-jobs=<1-6>
This specifies the number of parallel processing threads to be used during the
execution of the program. It determines the degree of concurrency when
analyzing log data, allowing for parallel processing of multiple tasks
simultaneously. It defaults to 1 thread. It's common to set the number of jobs
based on the available hardware resources, such as the number of CPU cores.
.TP
\fB\-H \-\-http-protocol=<yes|no>
Set/unset HTTP request protocol. This will create a request key containing the
request protocol + the actual request.
.TP
\fB\-M \-\-http-method=<yes|no>
Set/unset HTTP request method. This will create a request key containing the
request method + the actual request.
.TP
\fB\-o \-\-output=<path/file.[json|csv|html]>
Write output to stdout given one of the following files and the corresponding
extension for the output format:
.IP
  /path/file.csv - Comma-separated values (CSV)
  /path/file.json - JSON (JavaScript Object Notation)
  /path/file.html - HTML
.TP
\fB\-q \-\-no-query-string
Ignore request's query string. i.e., www.google.com/page.htm?query =>
www.google.com/page.htm.
.IP
.I Note:
Removing the query string can greatly decrease memory consumption, especially
on timestamped requests.
.TP
\fB\-r \-\-no-term-resolver
Disable IP resolver on terminal output.
.TP
\fB\-\-444-as-404
Treat non-standard status code 444 as 404.
.TP
\fB\-\-4xx-to-unique-count
Add 4xx client errors to the unique visitors count.
.TP
\fB\-\-anonymize-ip
Anonymize the client IP address. The IP anonymization option sets the last
octet of IPv4 user IP addresses and the last 80 bits of IPv6 addresses to
zeros.
e.g., 192.168.20.100 => 192.168.20.0
e.g., 2a03:2880:2110:df07:face:b00c::1 => 2a03:2880:2110:df07::
.IP
.I Note:
This deactivates -a.
.TP
\fB\-\-chunk-size=<256-32768>
This determines the number of lines that form a chunk. This parameter
influences the size of the data processed concurrently by each thread, allowing
for parallelization of the file reading and processing tasks. The value of
chunk-size affects the efficiency of the parallel processing and can be
adjusted based on factors such as system resources and the characteristics of
the input data.

.IP
Low Values: If chunk-size is set too low, it might result in inefficient
processing. For instance, if each chunk contains a very small number of lines,
the overhead of managing and coordinating parallel processing might outweigh
the benefits.

.IP
Large Values: Conversely, if chunk-size is set too high, it could lead to
resource exhaustion. Each chunk represents a portion of data that a thread
processes in parallel. Setting chunk-size to an excessively large value might
cause memory issues, particularly if there are many parallel threads running
simultaneously.
.TP
\fB\-\-anonymize-level
Specifies the anonymization levels: 1 => default, 2 => strong, 3 => pedantic.
.TS
allbox;
lb lb lb lb
l l l l.
Bits-hidden	Level 1	Level 2	Level 3
T{
.BR IPv4
T}	8	16	24
T{
.BR IPv6
T}	64	80	96
.TE

.TP
\fB\-\-all-static-files
Include static files that contain a query string. e.g.,
/fonts/fontawesome-webfont.woff?v=4.0.3
.TP
\fB\-\-browsers-file=<path>
By default GoAccess parses an "essential/basic" curated list of browsers &
crawlers. If you need to add additional browsers, use this option.
Include an additional delimited list of browsers/crawlers/feeds etc.
See config/browsers.list for an example or
https://raw.githubusercontent.com/allinurl/goaccess/master/config/browsers.list
.TP
\fB\-\-date-spec=<date|hr|min>
Set the date specificity to either date (default), hr to display hours or min
to display minutes appended to the date.
.IP
This is used in the visitors panel. It's useful for tracking visitors at the
hour level. For instance, an hour specificity would yield to display traffic as
18/Dec/2010:19 or minute specificity 18/Dec/2010:19:59.
.TP
\fB\-\-double-decode
Decode double-encoded values. This includes, user-agent, request, and referrer.
.TP
\fB\-\-enable-panel=<PANEL>
Enable parsing and displaying the given panel.
.IP
.I Available panels:
  VISITORS
  REQUESTS
  REQUESTS_STATIC
  NOT_FOUND
  HOSTS
  OS
  BROWSERS
  VISIT_TIMES
  VIRTUAL_HOSTS
  REFERRERS
  REFERRING_SITES
  KEYPHRASES
  STATUS_CODES
  REMOTE_USER
  CACHE_STATUS
  GEO_LOCATION
  MIME_TYPE
  TLS_TYPE
.TP
\fB\-\-fname-as-vhost=<regex>
Use log filename(s) as virtual host(s). POSIX regex is passed to extract
the virtual host from the filename. e.g.,
.I --fname-as-vhost='[a-z]*\.[a-z]*'
can be used to extract awesome.com.log => awesome.com.
.TP
\fB\-\-hide-referrer=<NEEDLE>
Hide a referrer but still count it. Wild cards are allowed in the needle. i.e.,
*.bing.com.
.TP
\fB\-\-hour-spec=<hr|min>
Set the time specificity to either hour (default) or min to display the tenth
of an hour appended to the hour.
.IP
This is used in the time distribution panel. It's useful for tracking peaks of
traffic on your server at specific times.
.TP
\fB\-\-ignore-crawlers
Ignore crawlers from being counted.
.TP
\fB\-\-unknowns-as-crawlers
Classify unknown OS and browsers as crawlers.
.TP
\fB\-\-ignore-panel=<PANEL>
Ignore parsing and displaying the given panel.
.IP
.I Available panels:
  VISITORS
  REQUESTS
  REQUESTS_STATIC
  NOT_FOUND
  HOSTS
  OS
  BROWSERS
  VISIT_TIMES
  VIRTUAL_HOSTS
  REFERRERS
  REFERRING_SITES
  KEYPHRASES
  STATUS_CODES
  REMOTE_USER
  CACHE_STATUS
  GEO_LOCATION
  MIME_TYPE
  TLS_TYPE
.TP
\fB\-\-ignore-referrer=<referrer>
Ignore referrers from being counted. Wildcards allowed. e.g.,
.I
*.domain.com
.I
ww?.domain.*
.TP
\fB\-\-ignore-statics=<req|panel>
Ignore static file requests.

.I req
  Only ignore request from valid requests

.I panels
  Ignore request from panels.

Note that it will count them towards the total number of requests
.TP
\fB\-\-ignore-status=<CODE>
Ignore parsing and displaying one or multiple status code(s). For multiple
status codes, use this option multiple times.
.TP
\fB\-\-keep-last=<num_days>
Keep the last specified number of days in storage. This will recycle the storage tables. e.g., keep & show only the last 7 days.
.TP
\fB\-\-no-ip-validation
Disable client IP validation. Useful if IP addresses have been obfuscated before
being logged.
The log still needs to contain a placeholder for
.I %h
usually it's a resolved IP. e.g.
.I ord37s19-in-f14.1e100.net.
.TP
\fB\-\-no-strict-status
Disable HTTP status code validation. Some servers would record this value only
if a connection was established to the target and the target sent a response.
Otherwise, it could be recorded as -.
.TP
\fB\-\-num-tests=<number>
Number of lines from the access log to test against the provided log/date/time
format. By default, the parser is set to test 10 lines. If set to 0, the parser
won't test any lines and will parse the whole access log. If a line matches the
given log/date/time format before it reaches
.I <number>,
the parser will consider the log to be valid, otherwise GoAccess will return
EXIT_FAILURE and display the relevant error messages.
.TP
\fB\-\-process-and-exit
Parse log and exit without outputting data. Useful if we are looking to only
add new data to the on-disk database without outputting to a file or a
terminal.
.TP
\fB\-\-real-os
Display real OS names. e.g, Windows XP, Snow Leopard.
.TP
\fB\-\-sort-panel=<PANEL,FIELD,ORDER>
Sort panel on initial load. Sort options are separated by comma. Options are in
the form: PANEL,METRIC,ORDER
.IP
.I Available metrics:
  BY_HITS     - Sort by hits
  BY_VISITORS - Sort by unique visitors
  BY_DATA     - Sort by data
  BY_BW       - Sort by bandwidth
  BY_AVGTS    - Sort by average time served
  BY_CUMTS    - Sort by cumulative time served
  BY_MAXTS    - Sort by maximum time served
  BY_PROT     - Sort by http protocol
  BY_MTHD     - Sort by http method
.IP
.I Available orders:
  ASC
  DESC
.TP
\fB\-\-static-file=<extension>
Add static file extension. e.g.:
.I .mp3
Extensions are case sensitive.
.SS
GEOLOCATION OPTIONS
.TP
\fB\-g \-\-std-geoip
Standard GeoIP database for less memory usage.
.TP
\fB\-\-geoip-database=<geofile>
Specify path to GeoIP database file. i.e., GeoLiteCity.dat.

If using GeoIP2, you will need to download the GeoLite2 City or Country
database from MaxMind.com and use the option --geoip-database to specify the
database. You can also get updated database files for GeoIP legacy, you can
find these as GeoLite Legacy Databases from MaxMind.com. IPv4 and IPv6 files
are supported as well. For updated DB URLs, please see the default GoAccess
configuration file.

.I Note:
--geoip-city-data is an alias of --geoip-database.
.SS
OTHER OPTIONS
.TP
\fB\-h \-\-help
The help.
.TP
\fB\-s \-\-storage
Display current storage method. i.e., B+ Tree, Hash.
.TP
\fB\-V \-\-version
Display version information and exit.
.TP
\fB\-\-dcf
Display the path of the default config file when `-p` is not used.
.SS
PERSISTENCE STORAGE OPTIONS
.TP
\fB\-\-persist
Persist parsed data into disk. If database files exist, files will be
overwritten. This should be set to the first dataset. See examples below.
.TP
\fB\-\-restore
Load previously stored data from disk. If reading persisted data only, the
database files need to exist. See
.I --persist
and examples below.
.TP
\fB\-\-db-path=<dir>
Path where the on-disk database files are stored. The default value is the
.I /tmp
directory.

.SH CUSTOM LOG/DATE FORMAT
GoAccess can parse virtually any web log format.
.P
Predefined options include, Common Log Format (CLF), Combined Log Format
(XLF/ELF), including virtual host, Amazon CloudFront (Download Distribution),
Google Cloud Storage and W3C format (IIS).
.P
GoAccess allows any custom format string as well.
.P
There are two ways to configure the log format.
The easiest is to run GoAccess with
.I -c
to prompt a configuration window. Otherwise, it can be configured under
~/.goaccessrc or the %sysconfdir%.
.IP "time-format"
The
.I time-format
variable followed by a space, specifies the log format time
containing any combination of regular characters and special format specifiers.
They all begin with a percentage (%) sign. See `man strftime`.
.I %T or %H:%M:%S.
.IP
.I Note:
If a timestamp is given in microseconds,
.I
%f
must be used as
.I
time-format
or
.I
%*
if the timestamp is given in milliseconds.
.IP "date-format"
The
.I date-format
variable followed by a space, specifies the log format date containing any
combination of regular characters and special format specifiers. They all begin
with a percentage (%) sign. See `man strftime`. e.g.,
.I %Y-%m-%d.
.IP
.I Note:
If a timestamp is given in microseconds,
.I
%f
must be used as
.I
date-format
or
.I
%*
if the timestamp is given in milliseconds.
.IP "log-format"
The
.I log-format
variable followed by a space or
.I \\\\t
, specifies the log format string.
.IP %x
A date and time field matching the
.I time-format
and
.I date-format
variables. This is used when given a timestamp or the date & time are
concatenated as a single string (e.g., 1501647332 or 20170801235000) instead of
the date and time being in two separated variables.
.IP %t
time field matching the
.I time-format
variable.
.IP %d
date field matching the
.I date-format
variable.
.IP %v
The canonical Server Name of the server serving the request (Virtual Host).
.IP %e
This is the userid of the person requesting the document as determined by HTTP
authentication.
.IP %C
The cache status of the object the server served.
.IP %h
host (the client IP address, either IPv4 or IPv6)
.IP %r
The request line from the client. This requires specific delimiters around the
request (as single quotes, double quotes, or anything else) to be parsable. If
not, we have to use a combination of special format specifiers as %m %U %H.
.IP %q
The query string.
.IP %m
The request method.
.IP %U
The URL path requested.

.I Note:
If the query string is in %U, there is no need to use
.I %q.
However, if the URL path, does not include any query string, you may use
.I %q
and the query string will be appended to the request.
.IP %H
The request protocol.
.IP %s
The status code that the server sends back to the client.
.IP %b
The size of the object returned to the client.
.IP %R
The "Referrer" HTTP request header.
.IP %u
The user-agent HTTP request header.
.IP %K
The TLS encryption settings chosen for the connection. (In Apache LogFormat: %{SSL_PROTOCOL}x)
.IP %k
The TLS encryption settings chosen for the connection. (In Apache LogFormat: %{SSL_CIPHER}x)
.IP %M
The MIME-type of the requested resource. (In Apache LogFormat: %{Content-Type}o)
.IP %D
The time taken to serve the request, in microseconds as a decimal number.
.IP %T
The time taken to serve the request, in seconds with milliseconds resolution.
.IP %L
The time taken to serve the request, in milliseconds as a decimal number.
.IP %n
The time taken to serve the request, in nanoseconds.
.IP %^
Ignore this field.
.IP %~
Move forward through the log string until a non-space (!isspace) char is found.
.IP ~h
The host (the client IP address, either IPv4 or IPv6) in a X-Forwarded-For (XFF) field.

It uses a special specifier which consists of a tilde before the host
specifier, followed by the character(s) that delimit the XFF field, which are
enclosed by curly braces. i.e., "~h{, }

For example, "~h{, }" is used in order to parse "11.25.11.53, 17.68.33.17" field
which is delimited by a comma and a space (enclosed by double quotes).

.TS
allbox;
lb lb
l l.
XFF field	specifier
T{
.BR \[dq]192.1.2.3, \~192.68.33.17,\~192.1.1.2\[dq]
T}	\[dq]~h{, }\[dq]
T{
.BR \[dq]192.1.2.12\[dq],\~\[dq]192.68.33.17\[dq]
T}	~h{\[dq], }
T{
.BR 192.1.2.12,\~192.68.33.17
T}	~h{, }
T{
.BR 192.1.2.14\~192.68.33.17\~192.1.1.2
T}	~h{ }
.TE

.P
.I Note:
In order to get the average, cumulative and maximum time served in GoAccess,
you will need to start logging response times in your web server. In Nginx you
can add
.I $request_time
to your log format, or
.I %D
in Apache.
.P
.I Important:
If multiple time served specifiers are used at the same time, the first option
specified in the format string will take priority over the other specifiers.
.P
GoAccess
.I requires
the following fields:
.IP
.I %h
a valid IPv4/6
.IP
.I %d
a valid date
.IP
.I %r
the request
.SH INTERACTIVE MENU
.IP "F1 or h"
Main help.
.IP "F5"
Redraw main window.
.IP "q"
Quit the program, current window or collapse active module
.IP "o or ENTER"
Expand selected module or open window
.IP "0-9 and Shift + 0"
Set selected module to active
.IP "j"
Scroll down within expanded module
.IP "k"
Scroll up within expanded module
.IP "c"
Set or change scheme color.
.IP "TAB"
Forward iteration of modules. Starts from current active module.
.IP "SHIFT + TAB"
Backward iteration of modules. Starts from current active module.
.IP "^f"
Scroll forward one screen within an active module.
.IP "^b"
Scroll backward one screen within an active module.
.IP "s"
Sort options for active module
.IP "/"
Search across all modules (regex allowed)
.IP "n"
Find the position of the next occurrence across all modules.
.IP "g"
Move to the first item or top of screen.
.IP "G"
Move to the last item or bottom of screen.
.SH EXAMPLES
.I Note:
Piping data into GoAccess won't prompt a log/date/time configuration dialog,
you will need to previously define it in your configuration file or in the
command line.

.SS
DIFFERENT OUTPUTS
.P
To output to a terminal and generate an interactive report:
.IP
# goaccess access.log
.P
To generate an HTML report:
.IP
# goaccess access.log -a -o report.html
.P
To generate a JSON report:
.IP
# goaccess access.log -a -d -o report.json
.P
To generate a CSV file:
.IP
# goaccess access.log --no-csv-summary -o report.csv
.P
GoAccess also allows great flexibility for real-time filtering and parsing. For
instance, to quickly diagnose issues by monitoring logs since goaccess was
started:
.IP
# tail -f access.log | goaccess -
.P
And even better, to filter while maintaining opened a pipe to preserve
real-time analysis, we can make use of
.I tail -f
and
a matching pattern tool such as
.I grep, awk, sed,
etc:
.IP
# tail -f access.log | grep -i --line-buffered 'firefox' | goaccess --log-format=COMBINED -
.P
or to parse from the beginning of the file while maintaining the pipe opened
and applying a filter
.IP
# tail -f -n +0 access.log | grep -i --line-buffered 'firefox' | goaccess --log-format=COMBINED -o report.html --real-time-html -
.P
or to convert the log date timezone to a different timezone, e.g., Europe/Berlin
.IP
# goaccess access.log --log-format='%h %^[%x] "%r" %s %b "%R" "%u"' --datetime-format='%d/%b/%Y:%H:%M:%S %z' --tz=Europe/Berlin --date-spec=min
.SS
MULTIPLE LOG FILES
.P
There are several ways to parse multiple logs with GoAccess. The simplest is to
pass multiple log files to the command line:
.IP
# goaccess access.log access.log.1
.P
It's even possible to parse files from a pipe while reading regular files:
.IP
# cat access.log.2 | goaccess access.log access.log.1 -
.P
.I Note
that the single dash is appended to the command line to let GoAccess know that
it should read from the pipe.
.P
Now if we want to add more flexibility to GoAccess, we can do a series of
pipes. For instance, if we would like to process all compressed log files
.I access.log.*.gz
in addition to the current log file, we can do:
.IP
# zcat access.log.*.gz | goaccess access.log -
.P
.I Note:
On Mac OS X, use gunzip -c instead of zcat.
.SS
REAL TIME HTML OUTPUT
.P
GoAccess has the ability to output real-time data in the HTML report. You can
even email the HTML file since it is composed of a single file with no external
file dependencies, how neat is that!
.P
The process of generating a real-time HTML report is very similar to the
process of creating a static report. Only --real-time-html is needed to make it
real-time.
.IP
# goaccess access.log -o /usr/share/nginx/html/site/report.html --real-time-html
.P
By default, GoAccess will use the host name of the generated report.
Optionally, you can specify the URL to which the client's browser will connect
to. See https://goaccess.io/faq for a more detailed example.
.IP
# goaccess access.log -o report.html --real-time-html --ws-url=goaccess.io
.P
By default, GoAccess listens on port 7890, to use a different port other than
7890, you can specify it as (make sure the port is opened):
.IP
# goaccess access.log -o report.html --real-time-html --port=9870
.P
And to bind the WebSocket server to a different address other than 0.0.0.0, you
can specify it as:
.IP
# goaccess access.log -o report.html --real-time-html --addr=127.0.0.1
.P
.I Note:
To output real time data over a TLS/SSL connection, you need to use
.I --ssl-cert=<cert.crt>
and
.I --ssl-key=<priv.key>.
.SS
WORKING WITH DATES
.P
Another useful pipe would be filtering dates out of the web log
.P
The following will get all HTTP requests starting on 05/Dec/2010 until the end
of the file.
.IP
# sed -n '/05\/Dec\/2010/,$ p' access.log | goaccess -a -
.P
or using relative dates such as yesterdays or tomorrows day:
.IP
# sed -n '/'$(date '+%d\/%b\/%Y' -d '1 week ago')'/,$ p' access.log | goaccess -a -
.P
If we want to parse only a certain time-frame from DATE a to DATE b, we can do:
.IP
# sed -n '/5\/Nov\/2010/,/5\/Dec\/2010/ p' access.log | goaccess -a -
.P
If we want to preserve only certain amount of data and recycle storage, we can
keep only a certain number of days. For instance to keep & show the last 5
days:
.IP
# goaccess access.log --keep-last=5
.SS
VIRTUAL HOSTS
.P
Assuming your log contains the virtual host (server blocks) field. For
instance:
.IP
vhost.com:80 10.131.40.139 - - [02/Mar/2016:08:14:04 -0600] "GET /shop/bag-p-20
HTTP/1.1" 200 6715 "-" "Apache (internal dummy connection)"
.P
And you would like to append the virtual host to the request in order to see
which virtual host the top urls belong to
.IP
awk '$8=$1$8' access.log | goaccess -a -
.P
To exclude a list of virtual hosts you can do the following:
.IP
# grep -v "`cat exclude_vhost_list_file`" vhost_access.log | goaccess -
.SS
FILES & STATUS CODES
.P
To parse specific pages, e.g., page views, html, htm, php, etc. within a
request:
.IP
# awk '$7~/\.html|\.htm|\.php/' access.log | goaccess -
.P
Note,
.I $7
is the request field for the common and combined log format, (without Virtual
Host), if your log includes Virtual Host, then you probably want to use
.I $8
instead. It's best to check which field you are shooting for, e.g.:
.IP
# tail -10 access.log | awk '{print $8}'
.P
Or to parse a specific status code, e.g., 500 (Internal Server Error):
.IP
# awk '$9~/500/' access.log | goaccess -
.SS
SERVER
.P
Also, it is worth pointing out that if we want to run GoAccess at lower
priority, we can run it as:
.IP
# nice -n 19 goaccess -f access.log -a
.P
and if you don't want to install it on your server, you can still run it from
your local machine:
.IP
# ssh -n root@server 'tail -f /var/log/apache2/access.log' | goaccess -
.P
Note: SSH requires
.I -n
so GoAccess can read from stdin. Also, make sure to use SSH keys for
authentication as it won't work if a passphrase is required.
.SS
INCREMENTAL LOG PROCESSING
.P
GoAccess has the ability to process logs incrementally through its internal
storage and dump its data to disk. It works in the following way:

.nr step 1 1
.IP \n[step] 3
A dataset must be persisted first with
.I --persist,
then the same dataset can be loaded with
.IP \n+[step]
.I --restore.
If new data is passed (piped or through a log file), it will append it to the
original dataset.

.P
NOTES

GoAccess keeps track of inodes of all the files processed (assuming files will
stay on the same partition), in addition, it extracts a snippet of data from
the log along with the last line parsed of each file and the timestamp of the
last line parsed. e.g.,
inode:29627417|line:20012|ts:20171231235059

First it compares if the snippet matches the log being parsed, if it does, it
assumes the log hasn't changed dramatically, e.g., hasn't been truncated. If
the inode does not match the current file, it parses all lines. If the current
file matches the inode, it then reads the remaining lines and updates the count
of lines parsed and the timestamp. As an extra precaution, it won't parse log
lines with a timestamp ≤ than the one stored.

Piped data works based off the timestamp of the last line read. For instance,
it will parse and discard all incoming entries until it finds a timestamp >=
than the one stored.

.P
For instance:
.IP
// last month access log
.br
# goaccess access.log.1 --persist
.P
then, load it with
.IP
// append this month access log, and preserve new data
.br
# goaccess access.log --restore --persist
.P
To read persisted data only (without parsing new data)
.IP
# goaccess --restore
.P
.SH NOTES
Each active panel has a total of 366 items or 50 in the real-time HTML report.
The number of items is customizable using
.I max-items
Note that HTML, CSV and JSON output allow a maximum number greater than the
default value of 366 items per panel.
.P
A hit is a request (line in the access log), e.g., 10 requests = 10 hits. HTTP
requests with the same IP, date, and user agent are considered a unique visit.
.P

If you want to enable dual-stack support, please use
.I --addr=::
instead of the default
.I --addr=0.0.0.0.
.P
The generated report will attempt to reconnect to the WebSocket server after 1
second with exponential backoff. It will attempt to connect 20 times.
.SH BUGS
If you think you have found a bug, please send me an email to
.I goaccess@prosoftcorp.com
or use the issue tracker in https://github.com/allinurl/goaccess/issues
.SH AUTHOR
Gerardo Orellana <hello@goaccess.io>
For more details about it, or new releases, please visit
https://goaccess.io

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