December 2009 – The cPanel Admin

cPanel: Installing Mod_Python on Apache 2

nessa • December 31, 2009

Note: It is preferred to use mod_wsgi instead of mod_python. If you want to use mod_python in Apache on a cPanel server, you’ll basically need to compile the module manually and load it into the Apache configuration: yum -y install subversion (IF it’s not already installed) svn co https://svn.apache.org/repos/asf/quetzalcoatl/mod_python/trunk mod_python cd mod_python ./configure –with-apxs=/usr/local/apache/bin/apxs make […]

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Howto, Linux, Mail

Installing DomainKeys and SPF Records

nessa • December 31, 2009

DomainKeys (DKIM) and SPF records are becoming a common, and annoying, demand among email providers, mainly Yahoo and Hotmail. In short, both are methods of email authentication designed to verify email integrity, by linking a sender to a specific server or hostname. In other words, DomainKeys and SPF records specify what servers can send email

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Howto, Perl

Installing Perl Modules

nessa • December 30, 2009

CPanel has a internal script for using CPAN to install Perl modules. Learn it and love it: /scripts/perlinstaller Most common Perl modules can be installed from WHM ~> Install a Perl Module, or from command line. If you don't know the name of the Perl module you're installing, you may want to use the WHM

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Apache, Howto, Security

Installing an SSL Certificate on a Shared IP

nessa • December 30, 2009

Update: As of cPanel 11.40, you can install shared SSLs on the main/shared IP just as you do any other certificate. It was kind of annoying in the midst of cPanel 11’s release when cPanel discontinued the ability to install an SSL certificate on a shared IP. Sure, you can do it as ‘nobody’, but

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Howto, Linux, Misc, Scripts

The cPanel Backup System

nessa • December 29, 2009

Us cPanel system admins pity those who neglect to back up their sites and then blame their hosts when something goes awry…especially when cPanel makes it so damn easy to back up your entire account in just a few clicks — And we’re going to tell you how to do it. Of course, we’re not

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DNS, Howto, Linux

Adding IP Addresses to a Server

nessa • December 28, 2009

In a hosted multi-site environment you may find yourself needing to add multiple IP addresses to a server. Luckily, cPanel makes it very easy to add IP addresses. This article will go over adding IP addresses to standalone servers, both through WHM and from command line on a cPanel server. You probably already know

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Apache, Howto, Linux, MySQL, PHP

Upgrading or Downgrading MySQL

nessa • December 28, 2009

Update 2/15/14: These instructions have been updated for cPanel 11.36+. 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 and what cPanel version you’re running. For example, if you’re running cPanel 11.40, you

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Fixes, Perl, Troubleshooting

Fixing a Suddenly “Broken” cPanel Installation

nessa • December 28, 2009

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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Hacks, Howto

Adding Services to Chksrvd for Monitoring

nessa • December 28, 2009

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

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