Apache Create Error Log
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To Configure Logging And Log Rotation In Apache On An Ubuntu VPS Posted Aug 19, 2013 198.9k views Apache Logging Server Optimization Ubuntu Introduction The Apache web server can be configured to
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give the server administrator important information about how it is functioning and what 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 where are apache error logs located to utilize Apache's logging functionality to set up structured, easy-to-parse logs. We will be using a default Apache2 installation on 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 o
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 About Us Learn more about Stack Overflow the company Business Learn more where are apache error logs stored about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered apache logger set log level Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign org apache log logger up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Is it possible to create Custom Error Log in Apache 2? up vote 8 https://www.digitalocean.com/community/tutorials/how-to-configure-logging-and-log-rotation-in-apache-on-an-ubuntu-vps 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 edited May 6 '11 at 16:37 Hangin on in quiet desperation 88k9113199 asked May 6 '11 at 15:35 JohnT 55113 Depending on your setup, you can have an ErrorLog for each of http://serverfault.com/questions/267036/is-it-possible-to-create-custom-error-log-in-apache-2 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 at 14:35 Community♦ 1 answered Sep 13 '12 at 13:59 Yishai 6111 add a comment| up vote 4 down vote With Apache 2.4 you can use the ErrorLogFormat directive. Syntax: ErrorLogFormat [connection|request] format Simple example ErrorLogFormat "[%t] [%l] [pid %P] %F: %E: [client %a] %M" Example (default format for threaded MPMs) ErrorLogFormat "[%{u}t] [%-m:%l] [pid %P:tid %T] %7F: %E: [client\ %a] %M% ,\ referer\ %{Referer}i" Example (similar to the
here for a quick overview of the site Help Center Detailed answers to any questions you might http://stackoverflow.com/questions/7500532/php-error-log-method-doesnt-write-errors-to-my-error-log-file 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 http://askubuntu.com/questions/14763/where-are-the-apache-and-php-log-files 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, error log just like you, helping each other. Join them; it only takes a minute: Sign up PHP error_log method doesn't write errors to my error log file up vote 8 down vote favorite The PHP error_log method does not write errors to the custom error log file. It will only write to /var/log/apache2/php_error.log Here are the apache error log logging settings in my php.ini: error_reporting = E_ALL & ~E_DEPRECATED & ~E_NOTICE display_errors = Off log_errors = On log_errors_max_len = 0 ; also tried with 9999999 error_log = /var/log/apache2/php_errors.log PHP writes its errors to the regular Apache error log (/var/log/apache2/error.log) rather than the one I specified above. Things I already tried: I stopped and restarted apache after changing the php.ini file The file /var/log/apache2/php_errors.log is 777 permissions and the file exists. There are no other overriding php.ini files. (There is /etc/php5/cli/php.ini but I'm not using cli). There are no other error_log = xxx settings further down the php.ini file which could overrule the first one phpinfo() says error_log = /var/log/apache2/php_errors.log (i.e. the correct file), both under Local Value and Master Value The test script I'm using to generate errors doesn't contain any ini_set calls (FYI: I'm using Apache/2.2.17 and PHP/5.3.5-1ubuntu7.2 on Ubuntu 11.04) What am I doing wrong? apache logging php share|improve this question edited Dec 13 '13 at 19:28 Eric Leschinski 45.9k23219189 asked Sep
communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour 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 About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. 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 are voted up and rise to the top Where are the Apache and PHP log files? up vote 113 down vote favorite 30 I've installed Apache, PHP, and MySQL on Ubuntu 10.10 desktop edition, and it's working fine. Except I have no clue where to look for Apache or PHP log files. apache2 php log share|improve this question edited Jan 25 '14 at 10:00 minerz029 12.8k84479 asked Nov 24 '10 at 18:58 Stann 3,706113439 add a comment| 3 Answers 3 active oldest votes up vote 158 down vote accepted By default, /var/log/apache2/error.log. This can be configured in /etc/php5/apache2/php.ini. share|improve this answer edited Apr 19 '12 at 9:00 Community♦ 1 answered Nov 24 '10 at 19:18 misterben 3,88311422 Yep. got it. it was a bit different on windows. –Stann Nov 24 '10 at 19:38 add a comment| up vote 34 down vote Check these settings in php.ini: error_reporting = E_ALL | E_STRICT (as recommended for development in php.ini) error_log = /var/log/php_errors.log Then create log file manually touch /var/log/php_errors.log chown www-data: /var/log/php_errors.log chmod +rw /var/log/php_errors.log Now you can view PHP errors by this way tail /var/log/php_errors.log This is an agreeable solution to this issue for me. share|improve this answer edited Dec 12 '15 at 21:53 Community♦ 1 answered Sep 7 '12 at 23:13 Nikolay Chuprina 47144 perfect step-by-step solution –Mark Fox Feb 15 '14 at 6:15 2 would also need a step to restart the apache for settings to take effect –rbawaskar Oct 13 '14 at 10:32 1 this should be the accepted answer –Martin Duys May 6 '15 at 6:00 add a comment| up vote 11 down vote You can also define a specific error log file for each VirtualHost in Apache. If you have any VirtualHost defined in /etc/apache2/sites-available/ and enabled in /etc/apache2/sites-enabled (enable with sudo a2ensite [your-virtualhost-definition-file]), you can change the error log by adding the following line inside your Virtu