Log file is a file which stores all the information of all files that are accessed, and they also have errors which help a system administrator to troubleshoot issues and fixing them to make the web server stable. Few logs can be found below:

Apache web server

/usr/local/apache/logs/access_log
/usr/local/apache/logs/error_log
/usr/local/apache/domlogs/domain.com

MySQL database server

/var/lib/mysql/server.hostname.com.err

Exim mail server

/var/log/exim_mainlog
/var/log/exim_paniclog
/var/log/exim_rejectlog

Courier-IMAP

/var/log/maillog

cPanel control panel

/usr/local/cpanel/logs/error_log
/usr/local/cpanel/logs/access_log
/usr/local/cpanel/logs/license_log
/usr/local/cpanel/logs/login_log
/usr/local/cpanel/logs/stats_log

FTP server

/var/log/messages
/var/log/xferlog

System logs

/var/log/messages
/var/log/boot.log
/var/log/cron
/var/log/dmesg

Security logs

/var/log/secure
/var/log/messages

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On a cPanel dedicated web server, while monitoring the stats I have come across the error where it was showing that /var/cpanel/lastrun was last updated 841266 seconds ago.

To fix this I have executed the script, this may take some time – so check after an hour.

/scripts/runstatsonce

That’s it!

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wget retrieves files from the web. “wget” is a network utility to retrieve files from the Web using http, https and ftp, this are the most widely used TCP/IP based protocols.

It is recommended that “wget” should allow only “root” to use this, and no other users which are present on your cPanel server. To disable this do the following:

Login in SSH as root.

First, take a backup of “wget” by the command:

cp /usr/bin/wget /usr/bin/wget-bk

Now, execute the following command:

chmod 700 /usr/bin/wget

If you have fantastico installed on your cPanel server, it may have problems as fantastico uses wget to retrieve files, to overcome this problem you have to add the backup file of wget i.e; /usr/bin/wget-bk in fantastico configuration file.

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In your cPanel, spamassassin is enabled and you are unable to see the “Disable spamassassin” button in your cPanel. If you need this button visible under your cPanel do the following:

Login as root in your WHM.

Here, on the left pane you will see an option “Exim configuration editor” click on that. Now, scroll down and you will see the option:

“SpamAssassinTM: Enable for all users without the option for users to shut off per account” under the heading “SpamAssassinTM Options” – uncheck the checkbox and save.

Now, relogin to your cPanel account and check for spamassassin – you will find the button “Disable spamassassin”

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