Debian Error Log
Contents |
and Logs Linux maintains several system logs that help you administer a Linux system by informing you of important events. Probably
Mysql Logs Ubuntu
the most important log is the file /var/log/messages, which records a linux service log variety of events, including system error messages, system startups, and system shutdowns. Like most other Linux
View /var/log/messages
files, the file contains ASCII text, so you can view it with a text editor or the text processing commands described in Chapter 13. A special command, initramfs debian error dmesg, makes it easy to view the log messages related to the most recent system startup. If your system is behaving unusually, use dmesg to quickly see if something went wrong during the system startup sequence. Of course, you must have some way of determining what's usual and unusual among the many messages emitted during ubuntu php error logs system startup. The best way to do so is to print the output of the dmesg command and keep it on hand for comparison with suspicious output. If your system has an attached printer, you can print the output of dmesg by entering the following command: dmesg | lpr Other logs found in the /var/log directory include: apache A directory that contains two log files pertaining to the Apache web server, access.log and error.log. exim A directory that contains several log files pertaining to the exim mail transfer agent. nmb and smb Files that contain log entries pertaining to Samba, the Microsoft-compatible networking server. ppp.log A file the contains log entries pertaining to PPP. 7.3 Starting and Stopping the System and Services 7.5 Setting the System Time and Time Zone Back to: Learning Debian GNU/Linux oreilly.com Home | O'Reilly Bookstores | How to Order | O'Reilly Contacts International | About O'Reilly | Affiliated Companies | Privacy Policy © 2001, O'Reilly & Associates, Inc.
that make it easy to view logfiles. The most important command is "tail". Tail can be used to read the last
How To Check Logs In Linux Server
lines from a file. Examples: Get the last 100 lines from the linux /var/log/messages Debian mail log file: tail -n 100 /var/log/mail.log To get all newly added lines from a log file
Linux Log Files Explained
in realtime on the shell, use the command: tail -f /var/log/mail.log to quit tail and go back to the commanline press the keys [ctrl] + [c] If you want to http://www.oreilly.com/openbook/debian/book/ch07_04.html get the last 1000 lines from a log file and they do not fit into your shell window, you can use the command "more" to be able to view them line by line. tail -n 1000 /var/log/mail.log | more press [space] to go to the next line or [ctrl] + [c] to quit. If you want to search for a http://www.faqforge.com/linux/distributions/debian/linux-how-to-view-log-files-on-the-shell/ specific term in a large file, the command "grep" comes in handy. Example: We search for the email address "[emailprotected]" in the mail log file: grep "[emailprotected]" /var/log/mail.log If you want to view the whole content of file on the shell, use the command "cat". Example: cat /proc/cpuinfo will show you detailed info about the CPU of your computer. Till Basics, Debian, Ubuntu No Comments ← Where is the ISPConfig roadmap? Linux: Get detailed information about server hardware and partitions on the shell → Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website CAPTCHA-Code Search Categories Basics CentOS Controlpanels Debian Distributions Email FTP iPad & iPhone ISPConfig 2 ISPConfig 3 Linux & Unix Mac OS X MySQL PostgreSQL Programming Server Ubuntu Uncategorized Virtualisation Vista Webserver Windows Windows 10 Windows 7 Windows 8 XP Tags7 apache boot change consumer Debian default delete desktop disable error files Firefox install ISPConfig 2 ISPConfig 3 key Linux & Unix Linux & Unix manager menu metro mint MySQL OpenVZ password post
know where the log files are located, and what is contained in each and every log file. When your systems http://www.thegeekstuff.com/2011/08/linux-var-log-files are running smoothly, take some time to learn and understand the content of various log files, which will help you when there is a crisis and you have to look though http://stackoverflow.com/questions/5127838/where-does-php-store-the-error-log-php5-apache-fastcgi-cpanel 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" debian error /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 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/ debian error 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). /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 l
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 Where does PHP store the error log? (php5, apache, fastcgi, cpanel) up vote 202 down vote favorite 45 I am on shared hosting and have Cpanel, Apache, PHP is run by fastcgi. Where does PHP store the error log? Is there any other way I can find the error log on shared hosting environment instead of having to go through entire site structure to look for error_log files? I have access to the php.ini (I am using PHP version 5.2.16). error-handling php share|improve this question edited Aug 24 '15 at 9:33 n611x007 3,11522642 asked Feb 26 '11 at 15:43 PHPLOVER 1,961102945 8 On Linux, either /var/log/httpd/error_log or /var/log/apache2/error.log. These files are owned by root, so you need to be root or use sudo to see it, or read it. –Eric Leschinski Aug 7 '14 at 19:49 47 php --info | grep error –sjas Aug 27 '14 at 13:21 1 @sjas -- genius! –the0ther Feb 21 '15 at 20:02 3 For those looking for a Windows solution, use php --info | findstr /r /c:"error_log" to see where the log file is. –Boom May 13 '15 at 17:00 add a comment| 14 Answers 14 active oldest votes up vote 156 down vote accepted Php stores error logs in /var/log/apache2 if php is an apache2 module. Shared hosts are often storing log files in your root directory