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GoAccess Build Status GoAccess

What is it?

GoAccess is an open source real-time web log analyzer and interactive viewer that *runs in a terminal in nix systems or through your browser. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly. More info at: http://goaccess.io.

GoAccess Terminal Dashboard GoAccess HTML Dashboard


GoAccess parses the specified web log file and outputs the data to the X terminal. Features include:

  • Completely Real Time All panels and metrics are timed to be updated every 200 ms on the terminal output and every second on the HTML output.

  • No configuration needed You can just run it against your access log file, pick the log format and let GoAccess parse the access log and show you the stats.

  • Track Application Response Time Track the time taken to serve the request. Extremely useful if you want to track pages that are slowing down your site.

  • Nearly All Web Log Formats GoAccess allows any custom log format string. Predefined options include, Apache, Nginx, Amazon S3, Elastic Load Balancing, CloudFront, etc

  • Incremental Log Processing Need data persistence? GoAccess has the ability to process logs incrementally through the on-disk B+Tree database.

  • Only one dependency GoAccess is written in C. To run it, you only need ncurses as a dependency. That's it. It even features its own Web Socket server - http://gwsocket.io/.

  • Visitors Determine the amount of hits, visitors, bandwidth, and metrics for slowest running requests by the hour, or date.

  • Metrics per Virtual Host Have multiple Virtual Hosts (Server Blocks)? A panel that displays which virtual host is consuming most of the web server resources.

  • Color Scheme Customizable Tailor GoAccess to suit your own color taste/schemes. Either through the terminal, or by simply applying the stylesheet on the HTML output.

  • Support for large datasets GoAccess features an on-disk B+Tree storage for large datasets where it is not possible to fit everything in memory.

Nearly all web log formats...

GoAccess allows any custom log format string. Predefined options include, but not limited to:

  • Amazon CloudFront (Download Distribution).
  • Amazon Simple Storage Service (S3)
  • AWS Elastic Load Balancing
  • Combined Log Format (XLF/ELF) Apache | Nginx
  • Common Log Format (CLF) Apache
  • Google Cloud Storage.
  • Apache virtual hosts
  • Squid Native Format.
  • W3C format (IIS).

Why GoAccess?

GoAccess was designed to be a fast, terminal-based log analyzer. Its core idea is to quickly analyze and view web server statistics in real time without needing to use your browser (great if you want to do a quick analysis of your access log via SSH, or if you simply love working in the terminal).

While the terminal output is the default output, it has the capability to generate a complete real-time HTML report, as well as a JSON, and CSV report.

You can see it more of a monitor command tool than anything else.


GoAccess can be compiled and used on *nix systems.

Download, extract and compile GoAccess with:

$ wget http://tar.goaccess.io/goaccess-1.0.2.tar.gz
$ tar -xzvf goaccess-1.0.2.tar.gz
$ cd goaccess-1.0.2/
$ ./configure --enable-geoip --enable-utf8
$ make
# make install

Build from GitHub (Development)

$ git clone https://github.com/allinurl/goaccess.git
$ cd goaccess
$ autoreconf -fiv
$ ./configure --enable-geoip --enable-utf8
$ make
# make install


It is easiest to install GoAccess on Linux using the preferred package manager of your Linux distribution.

Please note that not all distributions will have the lastest version of GoAccess available


# apt-get install goaccess

NOTE: It is likely this will install an outdated version of GoAccess. To make sure that you're running the latest stable version of GoAccess see alternative option below.

Official GoAccess Debian & Ubuntu repository

$ echo "deb http://deb.goaccess.io/ $(lsb_release -cs) main" | sudo tee -a /etc/apt/sources.list.d/goaccess.list
$ wget -O - http://deb.goaccess.io/gnugpg.key | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install goaccess


  • For on-disk support (Trusty+ or Wheezy+), run: sudo apt-get install goaccess-tcb
  • .deb packages in the official repo are available through https as well. You may need to install apt-transport-https.


# yum install goaccess

Arch Linux

# pacman -S goaccess


# emerge net-analyzer/goaccess

OS X / Homebrew

# brew install goaccess


# cd /usr/ports/sysutils/goaccess/ && make install clean
# pkg install sysutils/goaccess


# cd /usr/ports/www/goaccess && make install clean
# pkg_add goaccess


# pkg install goaccess

pkgsrc (NetBSD, Solaris, SmartOS, ...)

# pkgin install goaccess


GoAccess can be used in Windows through Cygwin.


There are three storage options that can be used with GoAccess. Choosing one will depend on your environment and needs.

Default Hash Tables

In-memory storage provides better performance at the cost of limiting the dataset size to the amount of available physical memory. By default GoAccess uses in-memory hash tables. If your dataset can fit in memory, then this will perform fine. It has very good memory usage and pretty good performance.

Tokyo Cabinet On-Disk B+ Tree

Use this storage method for large datasets where it is not possible to fit everything in memory. The B+ tree database is slower than any of the hash databases since data has to be committed to disk. However, using an SSD greatly increases the performance. You may also use this storage method if you need data persistence to quickly load statistics at a later date.

Tokyo Cabinet On-Memory Hash Database

An alternative to the default hash tables. It uses generic typing and thus it's performance in terms of memory and speed is average.

Command Line / Config Options

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 --.

Command Line Option Description
-a --agent-list Enable a list of user-agents by host.
-c --config-dialog Prompt log/date configuration window.
-d --with-output-resolver Enable IP resolver on HTML
-e --exclude-ip=<IP> Exclude one or multiple IPv4/v6 including IP ranges.
-f --log-file=<filename> Path to input log file.
-g --std-geoip Standard GeoIP database for less memory usage.
-h --help This help.
`-H --http-protocol=<yes no>`
-i --hl-header Color highlight active panel.
`-M --http-method=<yes no>`
-m --with-mouse Enable mouse support on main dashboard.
`-o --output=<file.[html csv
-p --config-file=<filename> Custom configuration file.
-q --no-query-string Remove request's query string. Can reduce mem usage.
-r --no-term-resolver Disable IP resolver on terminal output.
-s --storage Display current storage method. i.e., B+ Tree, Hash.
-V --version Display version information and exit.
--444-as-404 Treat non-standard status code 444 as 404.
--4xx-to-unique-count Add 4xx client errors to the unique visitors count.
--addr=<addr> Specify IP address to bind server to.
--all-static-files Include static files that contain a query string.
--cache-lcnum=<number> Max number of leaf nodes to be cached. [1024]
--cache-ncnum=<number> Max number of non-leaf nodes to be cached. [512]
--color=<fg:bg[attrs, PANEL]> Specify custom colors.
`--color-scheme=<1 2
--compression=<zlib,bz2> Each page is compressed with ZLIB
--date-format=<dateformat> Specify log date format.
`--date-spec=<date hr>`
--db-path=<path> Path of the database file. [/tmp/]
--dcf Display the path of the default config file.
--debug-file=<path> Send all debug messages to the specified file.
--double-decode Decode double-encoded values.
--enable-panel=<PANEL> Enable parsing and displaying the given panel.
--geoip-city-data=<path> Same as using --geoip-database.
--geoip-database=<path> Path to GeoIP database v4/v6. i.e., GeoLiteCity.dat
`--hour-spec=<hr min>`
--html-custom-css=<path.css> Specify a custom CSS file in the HTML report.
--html-custom-js=<path.js> Specify a custom JS file in the HTML report.
--html-report-title Set HTML report page title and header.
--ignore-crawlers Ignore crawlers.
--ignore-panel=<PANEL> Ignore parsing and displaying the given panel.
--ignore-referer=<referer> Ignore referers from being counted. Wildcards allowed.
--ignore-status=<CODE> Ignore parsing the given status code(s).
--invalid-requests=<filename> Log invalid requests to the specified file.
--json-pretty-print Format JSON output using tabs and newlines.
--keep-db-files Persist parsed data into disk.
--load-from-disk Load previously stored data from disk.
--log-format="<logformat>" Specify log format. Inner quotes need to be escaped.
--max-items Maximum number of items to show per panel.
--no-color Disable colored output.
--no-column-names Don't write column names in term output.
--no-csv-summary Disable summary metrics on the CSV output.
--no-global-config Do not load the global configuration file.
--no-progress Disable progress metrics.
--no-tab-scroll Disable scrolling through panels on TAB.
--no-html-last-updated Do not show the last updated field in the HTML report.
--num-tests=<number> Number of lines to test against the given log format.
--origin=<url> Ensure clients send stated origin header on WS handshake.
--port=<port> Specify the port to use.
--real-os Display real OS names. e.g, Windows XP, Snow Leopard.
--real-time-html Enable real-time HTML output.
--sort-panel=PANEL,METRIC,ORDER Sort panel on initial load. See manpage for metrics.
--static-file=<extension> Add static file extension. e.g.: .mp3, Case sensitive.
--time-format=<timeformat> Specify log time format.
--tune-bnum=<number> Number of elements of the bucket array. [32749]
--tune-lmemb=<number> Number of members in each leaf page. [128]
--tune-nmemb=<number> Number of members in each non-leaf page. [256]
--ws-url=<[scheme://]url[:port]> URL to which the WebSocket server responds.
--xmmap=<number> Set the size in bytes of the extra mapped memory. [0]


Different Outputs

To output to a terminal and generate an interactive report:

# goaccess -f access.log

To generate an HTML report:

# goaccess -f access.log -a > report.html

To generate a JSON report:

# goaccess -f access.log -a -d -o json > report.json

To generate a CSV file:

# goaccess -f access.log --no-csv-summary -o csv > report.csv

The -a flag indicates that we want to process an agent-list for every host parsed.

The -d flag indicates that we want to enable the IP resolver on the HTML | JSON output. (It will take longer time to output since it has to resolve all queries.)

The -c flag will prompt the date and log format configuration window. Only when curses is initialized.

Multiple Log Files

Filtering can be done through the use of pipes. For instance, using grep to filter specific data and then pipe the output into GoAccess. This adds a great amount of flexibility to what GoAccess can display. For example:

If we would like to process all access.log.*.gz we can do one of the following:

# zcat -f access.log* | goaccess

# zcat access.log.*.gz | goaccess

Note: On Mac OS X, use gunzip -c instead of zcat.

Real Time HTML Output

GoAccess has the ability the 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!

To output an HTML report and set the WebSocket server to listen on port 7890 and localhost.

# goaccess -f access.log -o report.html --real-time-html

If GoAccess is running and parsing logs on a specific host, you can specify the URL to which the client's browser will connect to.

# goaccess -f access.log -o report.html --real-time-html --ws-url=goaccess.io

To use a different port other than 7890, you can specify it as:

# goaccess -f access.log -o report.html --real-time-html --ws-url=goaccess.io --port=9870

And to bind the WebSocket server to a different address other than, you can specify it as:

# goaccess -f access.log -o report.html --real-time-html --ws-url=goaccess.io --addr=
Working with Dates

Another useful pipe would be filtering dates out of the web log

The following will get all HTTP requests starting on 05/Dec/2010 until the end of the file.

# sed -n '/05\/Dec\/2010/,$ p' access.log | goaccess -a

or using relative dates such as yesterdays or tomorrows day:

# sed -n '/'$(date '+%d\\\\/%b\\\\/%Y' -d '1 week ago')'/,$ p' access.log | goaccess -a

If we want to parse only a certain time-frame from DATE a to DATE b, we can do:

# sed -n '/5\/Nov\/2010/,/5\/Dec\/2010/ p' access.log | goaccess -a
Virtual Hosts

Assuming your log contains the virtual host field. For instance:

vhost.io:80 - - [02/Mar/2016:08:14:04 -0600] "GET /shop HTTP/1.1" 200 615 "-" "Googlebot-Image/1.0"

And you would like to append the virtual host to the request in order to see which virtual host the top urls belong to

awk '$8=$1$8' access.log | goaccess -a

To exclude a list of virtual hosts you can do the following:

# grep -v "`cat exclude_vhost_list_file`" vhost_access.log | goaccess
Files & Status Codes

To parse specific pages, e.g., page views, html, htm, php, etc. within a request:

# awk '$7~/\.html|\.htm|\.php/' access.log | goaccess

Note, $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 $8 instead. It's best to check which field you are shooting for, e.g.:

# tail -10 access.log | awk '{print $8}'

Or to parse a specific status code, e.g., 500 (Internal Server Error):

# awk '$9~/500/' access.log | goaccess

Also, it is worth pointing out that if we want to run GoAccess at lower priority, we can run it as:

# nice -n 19 goaccess -f access.log -a

and if you don't want to install it on your server, you can still run it from your local machine:

# ssh root@server 'cat /var/log/apache2/access.log' | goaccess -a
Incremental Log Processing

GoAccess has the ability to process logs incrementally through the on-disk B+Tree database. It works in the following way:

  1. A data set must be persisted first with --keep-db-files, then the same data set can be loaded with --load-from-disk.
  2. If new data is passed (piped or through a log file), it will append it to the original data set.
  3. To preserve the data at all times, --keep-db-files must be used.
  4. If --load-from-disk is used without --keep-db-files, database files will be deleted upon closing the program.
// last month access log
# goaccess -f access.log.1 --keep-db-files

then, load it with

// append this month access log, and preserve new data
# goaccess -f access.log --load-from-disk --keep-db-files

To read persisted data only (without parsing new data)

# goaccess --load-from-disk --keep-db-files


Any help on GoAccess is welcome. The most helpful way is to try it out and give feedback. Feel free to use the Github issue tracker and pull requests to discuss and submit code changes.


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GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. spread retract


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