You can easily change the major version of MySQL running on your server, keeping in mind that the actual version will be dependent on what cPanel has released in their repository. You may notice that in WHM > Tweak Settings, where MySQL upgrades and downgrades are usually done, you can no longer downgrade to versions […]

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Sometimes out of nowhere cPanel will just break. You don’t know why, you don’t know when, and you don’t know how…it just happens. In my experience it’s usually when a cPanel update fails for some reason or perl is borked, but either way – it just sucks. This article will go over how to fix […]

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Chkservd is the service in cPanel that checks to make sure that services are running, then restarts them if necessary.  It’s also responsible for the ‘Service Manager’ section in cPanel, which is also an interface where added services can be easily checked on and off.

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cPanel/WHM should upgrade itself automatically every once in a while; however, if you want to do this manually then just follow these steps: 1) Login to your VPS or Dedicated Server as root using SSH 2) Run the command: /scripts/upcp -force 3) Restart cPanel: /etc/init.d/cpanel restart The actual upgrade may take a while, so you […]

cpane · update

It is important to make sure that you are running the latest stable versions of the software on your system to ensure that it has been patched of any security issues that past versions may be susceptible to. Make sure to keep on top of updates for: Kernel cPanel and WHM* User Applications (bulletin boards, […]

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Installing a firewall to limit access to your server is useful. Removing all unused software on your system is more useful. Before you have the chance to remove all unused services and daemons, or the chance to figure out which services / daemons are unused, you can enable a firewall to prevent unwanted access. The […]

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Any service or daemon that allows a connection to be established to your server is away for hackers to gain access. To reduce security risks, you should disable all services and daemons that are not being used. For Daemons on Linux: Check /etc/xinetd.conf for services you are not using. For example, cupsd (printing daemon) and […]

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Most users do not require the use of C and C++ compilers. You can use the Compilers Tweak within Tweak Security in WebHost Manager to turn off use of the compilers for all unprivileged users, or to disable them for specific users only. Many pre-packaged exploits require working compilers. Disabling compilers will help protect against […]

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Maildir format adds extra security and speed to your mail system. Newer installs use maildir by default. If you’re running an older copy of cPanel, you’ll probably want to upgrade using /scripts/convert2maildir. Make sure to back up your current mail before converting to maildir, this can be done within /scripts/convert2maildir. If you see maildir is […]

cpanel · mail · maildir · ssh · whm

We recommend that you use a separate partition for /tmp that is mounted with nosetuid. Nosetuid will force a process to run with the privileges of it’s executor. You may also wish to mount /tmp with noexec after installing cPanel. Check the mount man page for more information. Also, Running /scripts/securetmp will mount your /tmp […]

/tmp · cpanel · noexec · partition · secure · ssh · temporary · whm