The cPanel/WHM Autofixer
- Written by Vanessa Vasile
- Published in Fixes, Scripts, Troubleshooting
Cpanel 11.24 comes with an Autofixer that allows you to fix common problems that may prevent access to certain parts of your system. …
Read moreChanging Exim’s Sending IP
- Written by Vanessa Vasile
- Published in Howto, Mail
Anyone running a shared hosting server is probably now accustomed to dealing with constant complaints about blacklisting. It’s exim’s default setup on a cPanel server to use the shared IP of the server to send email, which means that all your clients on one server are sending out email on the same IP. All it…
Read moreInstalling PostgreSQL
- Written by Vanessa Vasile
- Published in Apps, Howto, MySQL
PostgreSQL is an open-source database server similar (but different) than MySQL. cPanel has a built-in installer for setting up PostgreSQL easily. Keep in mind that the actual version of PostgreSQL you get depends on your OS version. For instance, CentOS 4 users will likely get version 7, CentOS 5 will get version 8. First, run…
Read moreHow to Change Your FTP Port
- Written by Vanessa Vasile
- Published in FTP, Howto, Security
Lately FTP has been a problem for a lot of hosting providers. Especially since the recent influx of Gumblar-related attacks and FTP exploits, some hosting providers are now considering changing their FTP ports as an added measure of security. If you’re on a cPanel server you have a couple extra steps to go through, but…
Read morecPanel Out of Memory Errors
- Written by Vanessa Vasile
- Published in Fixes, Linux, Troubleshooting
- 4 Comments
I’ve seen several features of cPanel appear to malfunction, and upon reviewing /usr/local/cpanel/logs/error_log, I’d see something similar to this: Out of memory during request for 2180 bytes, total sbrk() is 130234368 bytes! Common places this has been known to occur: In Webmail (Horde and Roundcube) when opening large attachments Using cPanel’s perl module installer You…
Read moreReinstalling Webmail
- Written by Vanessa Vasile
- Published in Apps, Howto, Mail
I've experienced from time to time a problem with webmail functioning after cPanel updates, particularly on larger servers. You can reinstall all three webmail applications, while not disrupting user content, with the following commands: Roundcube: /usr/local/cp The WordPress Classroom anel/bin/update-roundcube –force Horde: /usr/local/cpanel/bin/update-horde –force or /scripts/fullhordereset Squirrelmail /usr/local/cpanel/bin/update-squirrelmail –force zp8497586rq…
Read moreSpamAssassin 2010 Ruleset Bug Confirmed
- Written by Vanessa Vasile
- Published in Mail, News
Cpanel confirmed via email and on their site that SpamAssassin has a bug: “The Quality Assurance team discovered a bug within the SpamAssassin ruleset that will mark messages sent in the year 2010 (that's today) and beyond with a higher spam score than expected. This bug can result in legitimate Girlfriend In A Week mail…
Read morecPanel: Installing Mod_Python on Apache 2
- Written by Vanessa Vasile
- Published in Apache, Apps, Howto
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…
Read moreInstalling DomainKeys and SPF Records
- Written by Vanessa Vasile
- Published in Howto, Linux, Mail
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…
Read moreInstalling Perl Modules
- Written by Vanessa Vasile
- Published in Howto, Perl
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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