Find Linux Server Error Log
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RedHat and Friends, Security, Suse, TroubleshootingI‘m running CentOS 5.x server with Apache 2.2 + PHP 5.x server. Can you linux /var/log/messages tell me exact location for php error log file? Generally,
How To Check Logs In Linux Server
on all production web servers displaying error to end users via a web browser is turned linux log files explained off using php.ini file settings. Open /etc/php.ini file and find out line that read as follows:
error_logOR use the grep command as follows:grep error_log /etc/php.ini grepHow To View Logs In Linux Command Line
^error_log /etc/php.iniSample outputs:error_log = /var/log/httpd/php_error_logThe error_log directive defines the name of the file where script errors should be logged. The file should be writable by the web server's user. If the special value syslog is used, the errors are sent to the system logger instead. On Unix, this means syslogd and on Windows how to view log files in linux NT it means the event log. The system logger is not supported on Windows 95. If this directive is not set, errors are sent to the SAPI error logger. For example, it is an error log in Apache (/var/log/httpd/error_log file) or stderr in command line (CLI).This line define exact location for each php instance. If error_log set to syslog, open /var/log/messages file to view log. For example if error_log is set to /var/log/apache/php.errors, type the following to display error log: $ tail -f /var/log/apache/php.errors
$ grep something /var/log/apache/php.errors
$ vi /var/log/apache/php.errorsSee also:PHP Log All Errors to a Log File to Get Detailed Information php.ini directives Share this tutorial on:TwitterFacebookGoogle+Download PDF version Found an error/typo on this page?About the author: Vivek Gite is a seasoned sysadmin and a trainer for the Linux/Unix & shell scripting. Follow him on Twitter. OR read more like this:Apache Log FilesHow do I find out syntax errors in my Apach
are the access_log and error_log files for my server? Browse by products and services DV and VPS Hosting Grid Shared Hosting Legacy DV Hosting Applies
What Is /var/log/messages
to: Grid Difficulty: Easy Time Needed: 10 Tools Required: AccountCenter access
How To Check Log Files In Unix
Applies to: DV Difficulty: Easy Time Needed: 10 Tools Required: Plesk administrator access Applies to: DV linux log command 4.0 Difficulty: Easy Time Needed: 10 Tools Required: Plesk administrator access Overview Your log files are accessible from the 'logs' directory of your Grid hosting service. The http://www.cyberciti.biz/faq/error_log-defines-file-where-script-errors-logged/ system path for this is /home/00000/logs/, which can be accessed through the File Manager, FTP, or SSH. You can also view them from within your Grid Control Panel. Be sure to replace 00000 with your Grid site number. Enabling Error Logs Log into your AccountCenter and select the Admin button for your Grid from the Overview https://mediatemple.net/community/products/dv/204403804/where-are-the-access_log-and-error_log-files-for-my-server page. Select Report Settings & Logs section from the Stats & Reports menu. You will be taken to the Reports & Log Settings page. To enable error logs, select the Enabled radial button next to Server Error Logs. To enable access logs, tweak the time frame on the Raw Access Logs drop-down menu. You can also disable access logs by choosing "Do not keep raw log files." Click Save Settings to make your changes. Viewing the logs The log data is best viewed in a plain text editor. Example text from an access_log: 123.45.678.90 - - [11/Oct/2010:02:58:13 -0700] "GET /s00000.gridserver.com/ HTTP/1.0" 200 2869 "http://s00000.gridserver.com/" "Malware-Scanner/0.5 (+security@mediatemple.net)" Overview All connections to the Web server and requests for files that were not found on the server are registered in log files. These log files are analyzed by the statistical utilities running on the server, which then present graphical reports on demand. You may want to download these log files to your computer for processing by
know where the log files are located, and what is contained in each and every log file. When your systems are running smoothly, take some time to http://www.thegeekstuff.com/2011/08/linux-var-log-files learn and understand the content of various log files, which will help you when there is a crisis and you have to look though the log files to identify the issue. /etc/rsyslog.conf controls what goes inside some of the log files. For example, following is the entry in rsyslog.conf for /var/log/messages. $ grep "/var/log/messages" /etc/rsyslog.conf *.info;mail.none;authpriv.none;cron.none /var/log/messages In the above output, *.info indicates that all logs with type INFO how to will be logged. mail.none,authpriv.none,cron.none indicates that those error messages should not be logged into the /var/log/messages file. You can also specify *.none, which indicates that none of the log messages will be logged. The following are the 20 different log files that are located under /var/log/ directory. Some of these log files are distribution specific. For example, you'll see dpkg.log on Debian based systems (for example, on Ubuntu). how to check /var/log/messages - Contains global system messages, including the messages that are logged during system startup. There are several things that are logged in /var/log/messages including mail, cron, daemon, kern, auth, etc. /var/log/dmesg - Contains kernel ring buffer information. When the system boots up, it prints number of messages on the screen that displays information about the hardware devices that the kernel detects during boot process. These messages are available in kernel ring buffer and whenever the new message comes the old message gets overwritten. You can also view the content of this file using the dmesg command. /var/log/auth.log - Contains system authorization information, including user logins and authentication machinsm that were used. /var/log/boot.log - Contains information that are logged when the system boots /var/log/daemon.log - Contains information logged by the various background daemons that runs on the system /var/log/dpkg.log - Contains information that are logged when a package is installed or removed using dpkg command /var/log/kern.log - Contains information logged by the kernel. Helpful for you to troubleshoot a custom-built kernel. /var/log/lastlog - Displays the recent login information for all the users. This is not an ascii file. You should use lastlog command to view the content of this file. /var/log/maillog /var/log/mail.log - Con