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Apache2 Logs

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The log file entries produced in CLF will look something like this: 127.0.0.1 - frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 Each part of this log entry is described below. Redhat/Fedora/CentOS Table of Default Directives Directive Config File Path/Value AccessLog /etc/httpd/conf/httpd.conf /var/log/httpd/access_log ErrorLog /etc/httpd/conf/httpd.conf /var/log/httpd/error_log LogLevel /etc/httpd/conf/httpd.conf warn *LogFormat /etc/httpd/conf/httpd.conf LogFormat "%h %l %u %t "%r" %>s %b "%{Referer}i" "%{User-Agent}i"" combinedLogFormat If you're experiencing web server difficulties, or you just want to see what Apache is doing, log files should be your first stop. Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Specialised Support Ubuntu Servers, Cloud and Juju Server Platforms [ubuntu] Apache navigate here

Example standard port 80 vhost config for a site example.com: ServerName example.com ServerAdmin [email protected] DocumentRoot /var/www/example.com LogLevel info ssl:warn ErrorLog /var/www/example.com/logs/error.log CustomLog /var/www/example.com/logs/access.log example 12345678 ServerName Each log entry is assigned a unique identifier. Managed dedicated servers and VPS If you have a managed Flex Dedicated Server or VPS, you can view the Apache error logs in cPanel. Not the answer you're looking for? http://unix.stackexchange.com/questions/38978/where-are-apache-file-access-logs-stored

Apache2 Logs

User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License. Semi-managed dedicated servers and VPS If you have a semi-managed Flex Dedicated Server or VPS, you have root access. 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.

Once the log file reaches 100 MB, it should create a new log file 3. The quote character (") must be escaped by placing a back-slash before it to prevent it from being interpreted as the end of the format string. Instead, the log format can be specified directly in the CustomLog directive. Linux Apache Error Log Other distributions should operate in a similar fashion.

SetEnvIf Accept-Language "en" english
CustomLog logs/english_log common env=english
CustomLog logs/non_english_log common env=!english Although we have just shown that conditional logging is very powerful and flexibly, it is not the This means you can manipulate and process the Apache error log files any way you want. This filename can be changed with the PidFile directive. http://www.cyberciti.biz/faq/apache-logs/ mod_log_config: This module is compiled in by default in the Apache base. Directives Include: BufferedLogs: Buffers log entries in memory before writing to disk.

The first contains the basic CLF information, while the second and third contain referer and browser information. Apache Error Log File Does Not Exist For example, the above example entry corresponds to an access log entry with status code 403. Examine the default virtual host definition to see the access log declaration: sudo nano /etc/apache2/sites-available/default If we scroll through the file, we will see three separate values concerning logging: . . For information about how to view the error log for your account, please see this article.Table of Contents

Access logs Managed dedicated servers and VPS Semi-managed dedicated servers and VPS Error

Apache Web Log Location

Of course, storing the information in the access log is only the start of log management. http://ask.xmodulo.com/apache-error-log-location-linux.html More information is available in the mod_cgi documentation. Apache2 Logs As a result, it is sometimes desirable to use a unique identifier to identify a single request across multiple server instances and child processes. Apache Default Log Level It is also possible to log one or more parts of the request line independently.

A final log entry for a given request includes a “-” sign preceding the unique identifier. http://dukesoftwaresolutions.com/error-log/plesk-error-logs-windows.html The same value is typically provided to CGI scripts in the REMOTE_USER environment variable. Enter your email address below, and we will deliver our Linux Q&A straight to your email box, for free. This information can include what pages people are viewing, the success status of requests, and how long the request took to respond. Apache Default Log Format

The location and content of the access log are controlled by the CustomLog directive. We can see that the logs are rotated weekly and that they save a years-worth of logs by default. We can also see that there is a section that reloads Apache after the rotation: postrotate /etc/init.d/apache2 reload > /dev/null endscript These lines make sure that apache is reloaded automatically whenever http://dukesoftwaresolutions.com/error-log/php-error-logs.html We can see the default log level in the default configuration file: sudo nano /etc/apache2/apache2.conf . . .

Reply Link Tasman Hayes March 8, 2011, 1:30 pmThanks for covering the the Apache log file locations for Red Hat, CentOS and Ubuntu. Apache Error Log File Does Not Exist Referer This can be configured in /etc/php5/apache2/php.ini. Technical term to denote opposite of dependency injection?

Then a program like split-logfile can be used to post-process the access log in order to split it into one file per virtual host.

Instead, this is a label for a custom format that is defined in the default configuration file. This cannot be done while the server is running, because Apache will continue writing to the old log file as long as it holds the file open. Apache has a very configurable logging mechanism that can be used to output messages to different places based on instructions. Apache Error Log File Keeps Growing Except I have no clue where to look for Apache or PHP log files.

Server-Wide Logging To find out where the server logs information by default, we can open the default configuration file. RequestTimeSeconds: How long it took for the request to be processed. Results 1 to 5 of 5 Thread: Apache default log locations Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode weblink Since it is possible to customize the access log, you can obtain more information about error conditions using that log file.

Instead, it is best to use a log post-processor such as logresolve to determine the hostnames. Often included in package distributions but may require enabling. Forensic Log Format: Specifies a unique forensic ID to the beginning of the log string. The format of the error log is relatively free-form and descriptive.

All rights reserved. Virtual Host Logging The "access.log" file at the end of the previous section is not configured in the "apache2.conf" file. However, you can still view log file information for your own account. This allows application developers to trace a request through the web server to the application server.

Why is this compiled function 50x slower? The “vhost_combined” following the format string, indicated in the example below, is just a name assigned to the format. The main avenue for providing feedback to the administrator is through the use of log files.