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.TH goaccess 1 "MAY 2020" 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. This is great if you want to track your daily traffic at the hour 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 "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` .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 .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 .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) .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. .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-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. .SS SERVER OPTIONS .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-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\-\-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\-\-invalid-requests=<filename> Log invalid requests 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. 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\-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:: .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> Set the date specificity to either date (default) or hr to display hours 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 .TP \fB\-\-double-decode Decode double-encoded values. This includes, user-agent, request, and referer. .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 GEO_LOCATION .TP \fB\-\-hide-referer=<NEEDLE> Hide a referer 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\-\-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 .TP \fB\-\-ignore-referer=<referer> Ignore referers 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\-\-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 .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 .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 %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 %^ 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 double quote, a comma, and a space. .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 - .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 root@server 'cat /var/log/apache2/access.log' | goaccess -a - .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) 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 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 However, only the 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. .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 <goaccess@prosoftcorp.com> For more details about it, or new releases, please visit https://goaccess.io
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