PHP Phalcon Module for cPanel EasyApache

Over the last few months I’ve seen a number of requests for Phalcon support within EasyApache.  Bearing in mind that the installation is nothing more than that of a typical PECL module, some would prefer to have integration into cPanel to allow for easier installation and portability though EA templates. I wrote a simple EasyApache…

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OpenSSL Heartbleed Bug and What You Need to Know

Over the past few days, we have received an overwhelming number of questions about the OpenSSL Heartbleed bug and how cPanel system administrators should be handling this. First of all, if you haven’t read Codenomicon’s write-up on the bug, which thoroughly explains what it is, you should look visit heartbleed.com. Because their website already covers…

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Fix for “Missing owner for domain X, force lookup to root”

On recent cPanel versions, rebuilding the Apache conf returns the following non-fatal error: root@savannah [~]# /scripts/rebuildhttpdconf info [rebuildhttpdconf] Missing owner for domain savannah.tcaserversolutions.com, force lookup to root Built /usr/local/apache/conf/httpd.conf OK   The error does not adversely effect the way the httpd.conf file is built, but the presence of the unnecessary info message can be annoying. …

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Implementing Mandrill with Exim on cPanel

Mandrill is a transactional email service run by MailChimp, comparable to SendGrid.  It comes stock with a powerful API for fast implementation into applications for sending email reliably over SMTP, but it can also be used as a smart host for all of your server’s outgoing email. The below instructions cover how to do this…

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Unable to Change Shell via WHM or CLI

When trying to change a user’s shell via WHM, you may occasionally see the following error: Shell could not be modified As shown below: Attempting to change the shell via command line fails as well: # chsh -s /bin/bash myuser Changing shell for myuser. setpwnam: File exists Shell *NOT* changed.  Try again later. This means there is a…

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cPanel 11.42 Cheat Sheet

In 2010, we released our first cPanel cheat sheet for version 11.25.  Admittedly, we haven’t been keeping up with the times.  A lot has changed with cPanel over the last few years and an update is well overdue. Though labeled for version 11.42, the new cheat sheet is verified to be accurate for the following…

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How to FSCK a Linux Filesystem

There comes a time in every sysadmin’s life where filesystem errors just…happen.  Luckily, these are somewhat easy to fix, assuming you don’t have a greater problem involving physical hardware damage. First, you need to know the name of the disk device having the problem.  Do a quick df to see what device the affected partition…

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How to Upgrade Python on CentOS

If you’re running CentOS, you’re probably a few versions behind on Python.  Currently, the version packaged for CentOS 5 and 6 is 2.6.  Contrary to what the title of this post implies, you actually cannot safely upgrade Python on any Redhat distribution.  If you’re feeling brave, try this to see why: yum remove python Warning,…

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Implementing SendGrid with Exim on cPanel

Setting up your cPanel server to send through a third-party mail server is very easy to do, if you understand the basics of how cPanel builds its Exim configs. You never want to edit your exim.conf file directly – your changes will be wiped out any time a cPanel update runs or someone makes a…

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How to Easily Monitor Cluster Status

If you are running cPanel 11.28 or higher (which we hope you are, considering the current release at the time of this writing is 11.40!), you have the option in WHM to automatically disable DNS clustering if too many connection failures occur:     While this can be a handy feature, if you have a…

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