cPanel KnowledgeBase and Troubleshooting, cPanel Server Fixes and Tutorials

In cPanel & WHM 11.38.1, the AppConfig system was expanded. You can now use the AppConfig system to register and display WHM Plugins. Note: By default, registration is required for WHM addons and is strongly recommend for cPanel & Webmail addons. Note: Registration is only required if the admin has disabled the Allow apps that […]

libgcc_s.so.1 must be installed for pthread_cancel to work Most of time received libgcc error when the server running out of memory will cause this error. Very your current cpanel memory limit [email protected]  [~]# grep -i maxmem /var/cpanel/cpanel.config maxmem=256 Simply increase the memory limitation to 512M, save the file,  and run ‘/usr/local/cpanel/whostmgr/bin/whostmgr2 –updatetweaksettings’ to save the […]

You must open the following ports to run cPanel behind a firewall. Mostly these ports will automatically open when you install the cpanel. CSF firewall also fetch default ports automatically. cPanel default open ports in your server. FTP   Port Service Details 20 FTP TCP inbound/outbound 21 FTP TCP/UDP inbound/outbound   Server administration and maintenance […]

cPGS is a software module that allows you to set up and run a game server. You are even able to run cPGS on its own server and games on different servers. Requirements gcc Perl 5+ OpenSSL (including headers, usually in a separate package called something like openssl-devel or ssl-dev) Net::SSLeay perl module IO::Socket::SSL perl […]

How to fix locked backup partition There is a known incompatibility when cPanel runs on CloudLinux under Centos 5.X. After a nightly backup runs or a restore runs, the backup partition will get stuck in an active lock. The next time you perform a backup or a restore, you will see an error similar to […]

Apache Tomcat (also known as Tomcat) is an open-source implementation of Java Servlets and JavaServer pages. Tomcat uses a self-contained HTTP server to provide support for Java web applications. How to install Tomcat on cpanel Use this Tomcat installation and configuration on cpanel. Click the checkbox for Tomcat at the Short Options List stage of […]

Some services (like MySQL) aren’t starting on reboots. You get errors create/write to file in /tmp (Errcode: 13). This is most likely due to improper permissions on the real /tmp directory. If using /scripts/securetmp at boot time, you may not notice the problem since the script sets permissions correctly after it’s booted. The most common […]

It has recently come to light there is a security exploit that seems to be affecting or targeting Cloud Linux and CentOS systems running cPanel. We believe the exploit is done via SSH server. SSHD rootKit exploit libkeyutils.so So far cloudlinux know: Rootkit deposits files /lib64/libkeyutils.so.1.9 on 64bit systems and /lib/libkeyutils.so.1.9 on 32bit systems It […]

This problem may occured when trying to install the perl-DBD-MySQL. It is found out the problem was came from MySQL issue where you have upgrade the MySQL from 5.0 to 5.1. To overcome the issue, DBD::MySQL is needed for an upgrade. However, it is found out WHM could not help to upgrade the DBD::MySQL. Example […]

How to check cpanel rpms works in your server? the following script performs 4 basic functions: The script discovers missing RPMs Tracks RPMs that are out of date and need to be updated Checks if there are any RPMs that have been unexpectedly altered Checks if any cPanel managed RPMs are installed that should be […]