Home > Apache Error > Apache Error Log Httpd.conf

Apache Error Log Httpd.conf

share|improve this answer edited Jan 8 at 18:30 shilovk 2,91252041 answered Sep 22 '08 at 23:22 hdanniel add a comment| Your Answer draft saved draft discarded Sign up or log Defining Custom Logs In the previous section, the line describing the "access.log" file uses a different directive than the preceding log lines. I'll include links to more flexible and sophisticated log rotation options in a moment. Parameters include IconHeight and IconWidth, to make the server include HTML HEIGHT and WIDTH tags for the icons in server generated webpages; IconsAreLinks, for making the http://dukesoftwaresolutions.com/apache-error/apache-error-404-httpd-conf.html

StartServers StartServers sets how many server processes are created upon startup. The Server-status handler is called using Location tags. To find out the error log location of a particular VirtualHost, you can open /etc/apache2/sites-enabled/.conf, and look for ErrorLog directive, which will show a site-specific error log file. Overview Security Warning Error Log Per-module logging Access Log Log Rotation Piped Logs Virtual Hosts Other Log Files See alsoComments Overview Related ModulesRelated Directivesmod_log_configmod_log_forensicmod_logiomod_cgi The Apache HTTP https://httpd.apache.org/docs/2.4/logs.html

It is also possible to log one or more parts of the request line independently. Or Apache will write the log to the its error_log. LogFormat "{ "time":"%t", "remoteIP":"%a", "host":"%V", "request":"%U", "query":"%q", "method":"%m", "status":"%>s", "userAgent":"%{User-agent}i", "referer":"%{Referer}i" }” 1 LogFormat "{ "time":"%t", "remoteIP":"%a", "host":"%V", "request":"%U", "query":"%q", "method":"%m", "status":"%>s", "userAgent":"%{User-agent}i", "referer":"%{Referer}i" }” Once you've made the changes to

Here are the log levels that Apache recognizes, from most important to least: emerg: Emergency situations where the system is in an unusable state. Generally, it is not good practice to leave CGI scripts within the DocumentRoot, where they can potentially be viewed as text documents. Instead, it is best to use a log post-processor such as logresolve to determine the hostnames. For more information about configuring the mod_rewrite module, refer to the Apache Software Foundation documentation online at http://httpd.apache.org/docs-2.0/mod/mod_rewrite.html.


All log directives specified as general Apache config are overridable in a specific vhost configuration file. If it does not find one of these files and Options Indexes is set for that directory, the server generates and returns a listing, in HTML format, of the subdirectories asked 5 years ago viewed 32139 times active 5 years ago Related 0Trace where apache is serving a page from0Unable to open logs after raname of error_log of Apache1Apache error_log showing The Apache Project recommends a high setting, which improves the server's performance.

Traffic analysis is central to most Websites, and the key to getting the most out of your traffic analysis revolves around how you configure your Web logs. linux apache virtualhost share|improve this question edited Apr 23 at 17:30 chanchal118 1,78621031 asked Aug 1 '08 at 18:37 Michael Stum♦ 95.7k85327477 add a comment| 10 Answers 10 active oldest votes This is usually accomplished with SetEnvIf. In this document we discuss the logging modules that are a standard part of the http server.

  1. For this reason, an IfModule container is necessary to define the server-pool for the MPM in use.

    By default, Apache HTTP Server 2.0 defines the server-pool for both
  2. You can also create your own custom log formats.
  3. MaxKeepAliveRequests This directive sets the maximum number of requests allowed per persistent connection.
  4. The setting that controls the level of error logging to capture follows below.

Note, the load order of the modules is no longer important with Apache HTTP Server 2.0. More about the author IndexIgnore IndexIgnore lists file extensions, partial file names, wildcard expressions or full filenames. Log Level Directive This specifies log message severity. The timestamp component is UTC to prevent issues with daylight saving time adjustments.

FollowSymLinks allows the server to follow symbolic links in that directory.

Note Options statements from the main server configuration section needs to this content UseCanonicalName When set to on, this directive configures the Apache HTTP Server to reference itself using the value specified in the ServerName and Port directives. The value for MaxSpareThreads is must be greater than or equal to the sum of MinSpareThreads and ThreadsPerChild or Apache HTTP Server automatically corrects it.

Action specifies a MIME content type and CGI script pair, so that whenever a file of that media type is requested, a particular CGI script is executed.

If a proxy server exists between the user and the server, this address will be the address of the proxy, rather than the originating machine. - (%l) The "hyphen" in the mod_filter: Provides context-sensitive filters to the output chain by registering any number of filter providers. If Keepalive is set to on and the server becomes very busy, the server can quickly spawn the maximum number of child processes. http://dukesoftwaresolutions.com/apache-error/apache-error-httpd-exe-mdmp.html The access log file typically grows 1 MB or more per 10,000 requests.

info: An informational message that might be nice to know. As you can see, there are several other common formats that have been created for use within your virtual host definitions. Use "|$" instead of "|" to spawn using a shell (usually with /bin/sh -c): # Invoke "rotatelogs" using a shell CustomLog "|$/usr/local/apache/bin/rotatelogs /var/log/access_log 86400" common This was the default behaviour for

For example: ServerRoot "/etc/httpd" Now look for a line that starts with ErrorLog, which indicates where Apache web server is writing its error logs.

Enter your email address below, and we will deliver our Linux Q&A straight to your email box, for free. The default value for this directive is 25.

10.5.10. Virtual Host Logging The "access.log" file at the end of the previous section is not configured in the "apache2.conf" file. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our mailing lists.

Then the env= clause of the href="./mod/mod_log_config.html#customlog">CustomLog directive is used to include or exclude requests where the environment variable is set. You can configure it as follows: CustomLog "| /path/to/rotatelog /path/of/log/to/rotate number_of_seconds_between_rotations" log_level Similar configuration can be achieved with other logging utilities. This apache log file often contain details of what went wrong and how to fix it. check over here Error log and access log files are a useful piece of information for system admins, for example to troubleshoot their web server, protect it from various malicious activities, or just to

The information that you have logged can be used to troubleshoot problems and anticipate when actions need to be taken. FilterProtocol: Causes the mod_filter to handle response headers correctly. Server-Wide Logging To find out where the server logs information by default, we can open the default configuration file. Often included in package distributions but may require enabling.

Below, we will discuss some different methods of achieving this. You can uses them exactly like you see the CustomLog declaration earlier. Sign into your account, or create a new one, to start interacting. Combined Log Format Another commonly used format string is called the Combined Log Format.

However, this configuration is not recommended since it can significantly slow the server. Each log entry is assigned a unique identifier. For the single site, Apache is pretty much configured for logging in the default install. IfDefine The IfDefine tags surround configuration directives that are applied if the "test" stated in the IfDefine tag is true.

SetEnvIf Accept-Language "en" english CustomLog logs/english_log common env=english CustomLog logs/non_english_log common env=!english In a caching scenario one would want to know about the efficiency of the cache. This directive is set to disable by default.

The name for the subdirectory is set to public_html in the default configuration. The main purpose of this directive is to keep a runaway Apache HTTP Server from crashing the operating system. We can see what events cause logrotate to swap the Apache logs by looking in "/etc/logrotate.d/apache2": sudo nano /etc/logrotate.d/apache2 Here, you can see some of the parameters given to logrotate.

If the status code for the request (see below) is 401, then this value should not be trusted because the user is not yet authenticated. AddType Use the AddType directive to define or override a default MIME type and file extension pairs.