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Unix Server Error Log


You can rotate log file using logrotate software and monitor logs files using logwatch software. Is it dangerous to use default router admin passwords if only trusted users are allowed on the network? The format of the access log is highly configurable. Who was Mikael Blomkvist with at the end of the movie and why did Lisbeth hate it so much? http://crimsonskysoftware.com/how-to/unix-error-log.html

Reply Link masum November 26, 2014, 5:23 amI want to know how to get May 2013 logs from general messages ? after googling i tried with deleting the contents in /var/log/messages that are older than a day using the command find /var/log/messages -mtime +1 -exec rm {} \; when i did this Minimum of a function on an open interval Print some JSON Is there a developers image of 16.04 LTS? Browse other questions tagged files logs syslog or ask your own question. http://www.cyberciti.biz/faq/linux-log-files-location-and-how-do-i-view-logs-files/

Httpd Logs Location

Instead of manually trying to archive the log files, by cleaning it up after x number of days, or by deleting the logs after it reaches certain size, you can do after the edit is done, restart apache to load these values. Like most other Linux files, the file contains ASCII text, so you can view it with a text editor or the text processing commands described in Chapter 13.

  1. Helped me :) thumbs up Reply Link Wyatt Earp January 2, 2012, 9:04 amVery nice, thanks a lot Reply Link chandra July 11, 2007, 6:19 amdear talent,Can u help me how
  2. For more information about this topic, and for applications which perform log analysis, check the Open Directory or Yahoo.
  3. The error log will also contain debugging output from CGI scripts.
  4. The location and content of the access log are controlled by the CustomLog directive.
  5. Best Regards Charles Reply Link syam April 30, 2015, 6:15 amHello Nida Do same thing wat charles said and +1 means not modified on one day , -exec argument represents which

Individual configuration files can be added into /etc/logrotate.d (where the apache2 and mysql configurations are stored for example). Contact Us Email Me : Use this Contact Form to get in touch me with your comments, questions or suggestions about this site. However, in order to accomplish this, the server must continue to write to the old log files while it finishes serving old requests. Linux /var/log/messages Reply Link Jaquice July 8, 2016, 6:40 pmI have added my regular user ID to group root but I am still unable to read the file /var/log/secure.

In this case, the program is specified after the UNIX pipe symbol (|). How To Check Log Files In Unix A special command, dmesg, makes it easy to view the log messages related to the most recent system startup. The error log is usually written to a file (typically error_log on unix systems and error.log on Windows and OS/2). http://unix.stackexchange.com/questions/38978/where-are-apache-file-access-logs-stored Reply Link sachin February 21, 2010, 12:59 pmhi friends,i have smb server and i want to know the logs of each and every folder those who access please help its very

no, do not subscribeyes, replies to my commentyes, all comments/replies instantlyhourly digestdaily digestweekly digest Or, you can subscribe without commenting. How To Check Logs In Putty For example, all error messages or all debugging messages from the kernel. making new symbol from two symbols fraction line in French If two topological spaces have the same topological properties, are they homeomorphic? It is not possible to customize the error log by adding or removing information.

How To Check Log Files In Unix

If you need to solve a printing issue in Ubuntu, this log may be a good place to start. http://www.oreilly.com/openbook/debian/book/ch07_04.html To view the log files use any one of the following methods. Httpd Logs Location To enable log rotations, most distributions use tools such as newsyslog or logrotate. How To Check Logs In Linux Instead, the log format can be specified directly in the CustomLog directive.

Press h for help, or q to quit. http://crimsonskysoftware.com/how-to/unix-error-log-files.html It is therefore necessary to wait for some time after the restart before doing any processing on the log files. On Ubuntu, update-alternatives maintains symbolic links determining default commands. /var/log/btmp - This file contains information about failed login attemps. It must be a path to a secure location where you want to store the logs. How To Check Logs In Linux Server

You should use lastlog command to view the content of this file. /var/log/maillog /var/log/mail.log - Contains the log information from the mail server that is running on the system. This filename can be changed with the PidFile directive. For example, "last -f /var/log/btmp | more" /var/log/cups - All printer and printing related log messages /var/log/anaconda.log - When you install Linux, all installation related messages are stored in this log Check This Out Logging Actions The action field specifies one of five actions − Log message to a file or a device.

See the Resources section for additional information. Php Log Location Windows Link fernando April 4, 2014, 9:57 pm Hello, why not let me watch / var / log / auth.log, / var / log / kern.log, / var / log / boot.log, Again, use grep to find specific information, plugging in the name of the daemon you're interested in.

The format is specified using a format string that looks much like a C-style printf(1) format string.

Reply Link caman February 23, 2009, 11:47 pmI can see a lot of the following error in my system and I cannot understand what it means, can yu shed somelight on A typical scenario that simply rotates the logs and compresses the old logs to save space is: mv access_log access_log.old
mv error_log error_log.old
apachectl graceful
sleep 600
And it take a long time to complete Hot Network Questions How much more than my mortgage should I charge for rent? Apache Error Log Location Ubuntu The first contains the basic CLF information, while the second and third contain referer and browser information.

up vote 4 down vote favorite I am getting the WSOD now since editing settings.php; php.ini and .htaccess trying to update my site and I need to see error logs to would like to know that such query is logged or not or is there any possible to enable and log it.Thanks in advance. Message selectetor kern.debug selects all priorities that are greater than debug. this contact form You need be the root user to view or access log files on Linux or Unix like operating systems.

Reply Link D0rk June 9, 2011, 8:52 pmyour permissions. Reply Link Mak September 21, 2012, 11:09 amTHANKS, Really Helpfull Command… Reply Link nida September 25, 2012, 5:58 amI am a fresh graduate engineer working in a networking company. This means that piped log programs usually run as root. However, this configuration is not recommended since it can significantly slow the server.

SXA Page Design vs Page Standard Values vs Page Branch Template Why was Susan treated so unkindly? Link hotpotatoe August 11, 2011, 12:48 pm Thanks, always making good articles 😉 Link Stuart August 11, 2011, 1:28 pm Thanks, very useful. During testing, it is often useful to continuously monitor the error log for any problems. 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.

Some examples of such log files which appear in /var/log follow. Delete files or directories from a tar or zip file Weird characters like â are showing up on my site « Delete files or directories from a tar or zip file message The string arguments whose contents are concatenated together in the specified order, separated by the space You can use Manpage Help to check complete syntax for this command. Why are only passwords hashed?

These messages may prove useful for trouble-shooting a new or custom-built kernel, for example. The following are the 20 different log files that are located under /var/log/ directory. For example to see a listing of logins with the lastlog command, displayed one page per screen with the less command, use the following command: lastlog|less Login Records Log The file October 29, 2007, 9:28 pmDear Vivek,I had an automatic reboot system in my server linux and I don´t find any evidence about the cause that could produce that.Can you explain me

how to find out when the last time AT command run. please help me. This capability dramatically increases the flexibility of logging, without adding code to the main server. Reply Link santhosh August 28, 2014, 6:57 amchandrait is possible using mutt coomand and mail -s command just write a script and put in crontab it is working Reply Link Gonzalo

In general, you won't want to save your changes to log files, of course. Examples are mail, kernel, and ftp. Log Rotation When viewing directory listings in /var/log or any of its subdirectories, you may encounter log files with names such as daemon.log.0, daemon.log.1.gz, and so on.