Error Log Customlog

the requests made to the server Status:Base Module Identifier:log_config_module Source File:mod_log_config.c Summary This module provides for flexible logging of apache customlog client requests. Logs are written in a customizable format, and may

Apache Access Log Location

be written directly to a file, or to an external program. Conditional logging is provided so that apache error log format individual requests may be included or excluded from the logs based on characteristics of the request. Three directives are provided by this module: TransferLog to create a apache access log format response time log file, LogFormat to set a custom format, and CustomLog to define a log file and format in one step. The TransferLog and CustomLog directives can be used multiple times in each server to cause each request to be logged to multiple files. Topics Custom Log Formats Security Considerations Directives BufferedLogs CustomLog GlobalLog LogFormat TransferLog

Apache Log Rotation

Bugfix checklisthttpd changelogKnown issuesReport a bugSee also Apache Log Files Comments Custom Log Formats The format argument to the LogFormat and CustomLog directives is a string. This string is used to log each request to the log file. It can contain literal characters copied into the log files and the C-style control characters "\n" and "\t" to represent new-lines and tabs. Literal quotes and backslashes should be escaped with backslashes. The characteristics of the request itself are logged by placing "%" directives in the format string, which are replaced in the log file by the values as follows: FormatString Description %% The percent sign. %a Client IP address of the request (see the mod_remoteip module). %{c}a Underlying peer IP address of the connection (see the mod_remoteip module). %A Local IP-address. %B Size of response in bytes, excluding HTTP headers. %b Size of response in bytes, excluding HTTP headers. In CLF format, i.e. a '-' rather than a 0 when no bytes are sent. %{VARNAME}

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Apache Log Request Headers

An Ubuntu VPS Posted Aug 19, 2013 202.6k views Apache Logging Server Optimization Ubuntu Introduction The Apache web server can be configured to give the server administrator important information about how it is functioning and what http://httpd.apache.org/docs/current/mod/mod_log_config.html issues, if any, need to be addressed. The main avenue for providing feedback to the administrator is through the use of log files. Apache has a very configurable logging mechanism that can be used to output messages to different places based on instructions. In this guide, we will look at how to utilize Apache's logging functionality to set up structured, easy-to-parse logs. We will be using a default Apache2 installation on https://www.digitalocean.com/community/tutorials/how-to-configure-logging-and-log-rotation-in-apache-on-an-ubuntu-vps an Ubuntu 12.04 VPS. Other distributions should operate in a similar fashion. Apache Log Levels Apache separates all informational messages into categories depending on how important it considers the information. For instance, for the most important messages, considered emergencies, Apache designates the log level as "emerg". The "info" tag, on the other hand, just shows helpful information that can be useful to look at occasionally. Here are the log levels that Apache recognizes, from most important to least: emerg: Emergency situations where the system is in an unusable state. alert: Severe situation where action is needed promptly. crit: Important problems that need to be addressed. error: An Error has occurred. Something was unsuccessful. warn: Something out of the ordinary happened, but not a cause for concern. notice: Something normal, but worth noting has happened. info: An informational message that might be nice to know. debug: Debugging information that can be useful to pinpoint where a problem is occurring. trace[1-8]: Tracing information of various levels of verbosity that produces a large amount of information. When you specify a log level, you are not choosing to log the messages labeled in that category, you are choosing the least important level that you wish to log. This means that any levels above the selected

Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://serverfault.com/questions/267036/is-it-possible-to-create-custom-error-log-in-apache-2 About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a http://stackoverflow.com/questions/176/error-log-per-virtual-host question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers apache access are voted up and rise to the top Is it possible to create Custom Error Log in Apache 2? up vote 8 down vote favorite I'd like to prepend the vhost name in my ErrorLog and then pipe it into a program I wrote. Is it possible to write Custom Error log format as it is with Access log? logging httpd apache-2.2 errors share|improve this question apache access log edited May 6 '11 at 16:37 Hangin on in quiet desperation 88.2k9115201 asked May 6 '11 at 15:35 JohnT 55113 Depending on your setup, you can have an ErrorLog for each of your virtual hosts. It's not the same as a unified parsable logfile, but it's something. –muffinista May 6 '11 at 16:31 add a comment| 4 Answers 4 active oldest votes up vote 7 down vote For piping see the ErrorLog directive and Piped Logs official manual entries which explain it pretty well. Getting a custom error log format is more difficult. You can customize the access log easily with LogFormat but there is nothing built in for modifying the error log format. I did come across CGI::Carp which is a Perl module for outputting to the error log. Finally, there is always modifying the Apache source code directly depending on how badly you want this feature. share|improve this answer answered May 6 '11 at 16:27 uesp 2,9441911 add a comment| up vote 6 down vote In Apache 2.2 you cannot change the format of error_log easily - see http://httpd.apache.org/docs/2.2/logs.html#errorlog. Apache 2.4 adds this support. See http://httpd.apache.org/docs/2.4/logs.html#errorlog. share|improve this answer edited Sep 17 '12 a

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up error_log per Virtual Host? up vote 79 down vote favorite 17 On one Linux Server running Apache and PHP 5, we got multiple Virtual Hosts with separate logfiles and everything. The only thing we cannot seem to separate between virtual hosts is the php error_log. Overriding this setting in the of the httpd.conf does not seem to do anything. Did I overlook something? Is there a way to have separate php error_logs for each Virtual Host? linux apache virtualhost share|improve this question edited Apr 23 at 17:30 chanchal118 1,79621031 asked Aug 1 '08 at 18:37 Michael Stum♦ 96.1k86327478 add a comment| 10 Answers 10 active oldest votes up vote 66 down vote accepted To set the Apache (not the PHP) log, the easiest way to do this would be to do: # Stuff, # More Stuff, ErrorLog /path/where/you/want/the/error.log If there is no leading "/" it is assumed to be relative. Apache Error Log Page share|improve this answer edited Mar 31 '11 at 9:31 demonkoryu 1,072724 answered Aug 1 '08 at 19:58 helloandre 7,15143455 5 That's the apache error log, which is separate to the PHP error log (see other comments) –thelem Nov 18 '10 at 7:48 2 php's error log defaults to apache's error log. –helloandre Jan 3 '12 at 19:00 relative to what? the directory of the httpd.conf it's written in, or? –mb21 Sep 3 '13 at 16:11 add a comment| up vote 118 down vote If somebody comes looking it should look like this: ServerName example.com DocumentRoot /var/www/domains/example.com/html ErrorLog /var/www/domains/example.com/apache.error.log CustomLog /var/www/domains/example.com/apache.access.log common php_flag log_errors on php_flag display_errors on php_value error_reporting 2147483647 php_value error_log /var/www/domains/example.com/php.