Fix a broken Perl installation – cPanel

Please note that this guide is applicable for cPanel versions prior to 11.36 and does not fix the issues on cPanel 11.36 + versions. When you have a broken Perl in your cPanel box, it becomes a big issue and it affects other services which depends on the Perl modules....

Apache error – No space left on device !

Facing the following error on Apache ? Apache: [emerg] (28)No space left on device: Couldn’t create accept lock [notice] suEXEC mechanism enabled (wrapper: /usr/local/apache/bin/suexec) [crit] (28) No space left on device: mod_rewrite: Parent could not create...

Facing the error – ip_conntrack full & packets dropped !

Facing an issue with the kernel module, ‘ip_conntrack’ ? Checking /var/log/messages gives something like this ? host kernel: ip_conntrack: VPS xxx table full, dropping packet. host kernel: ip_conntrack: VPS xxx table full, dropping packet. If you run an...

csf/lfd — Not running nor able to restart ?

Has the firewall csf along with lfd crashed in your server ? When trying to restart the service, you might find the following error : Starting lfd: Error: You have an unresolved error when starting csf. You need to restart csf successfully before starting lfd (see...

Changing the Exim interface IP

In order to change the exim interface IP, do the following : -SSH to your server and edit the file – /etc/mailips : This file controls the IP address from which each domains are allowed to send the mails. If the file is not present, create it. Open the file for...

/root/.cpanel/comet consuming huge disk space ?

On checking the disk usage of your server, you might notice that /root/.cpanel/comet consumes considerable amount of disk space. This happens when high number of emails are in the mail queue manager which can occur when spamming is carried out in the server. Manually...

Remove fantastico plugin from WHM !

SSH to the server and issue the following commands to remove fantastico : # rm -rf /var/netenberg/ # rm -rf /usr/local/cpanel/whostmgr/docroot/cgi/fantastico/ # rm -rf /usr/local/cpanel/3rdparty/fantastico* # rm -rf /usr/local/cpanel/base/frontend/*/fantastico #...

Named not starting in Plesk !

When trying to restart named, you get an error stating that some parameter is not given correctly in a zone file. It would be a reverse PTR zone file with name something like this: x.x.x.in-addr.arpa. Open the zone file using vim , like : # vim...

Memory drain issues on MySQL 5.6 ?

With the recent upgrade of WHM/cPanel, the users get the ability to upgrade their MySQL server to 5.6.x ( x > 6 ). However, when this upgrade is done, lot of server owners are seeing memory drainage issues. An idle MySQL server tends to consume around 50% of your...

The NTP vulnerability !

Just like the DDoS is hitting web-servers and DNS servers, it has started hitting the ntpd servers which are left open. The Network Time Protocol, or NTP, syncs time between machines on the network, and runs over port 123 UDP. It’s typically configured once by network...