cPanel Update Fails Due to RPM Conflict

The cPanel update fails due to a problem installing RPMs, but is not specific about what the problem is: [20160203.180007] Testing if the newly downloaded RPMS can be installed without conflict [20160203.180007] Testing RPM transaction [20160203.180012] [20160203.180012] ***** FATAL: Test install failed: [20160203.180012] The Administrator will be notified to review this output when this script…

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Resolving MS15-055 on cPanel Servers

If you’re a hosting provider with cPanel servers that were set up prior to version 11.46, you may be hearing from customers using Outlook ever since MS15-055 was released by Microsoft on May 12.  This most recent Outlook upgrade prevents the software from connecting to a POP or IMAP server that uses DH keys that are…

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de-POODLE-ing: How to Disable Support for SSLv3 on a cPanel Server

The latest security buzz this month is about the SSLv3 POODLE vulnerability, and how SSL version 3.0 is now officially designated as insecure, joining its predecessors versions 1.0 (unreleased) and 2.0.  This effectively concludes the life cycle of the SSL protocol in favor of TLS.  This post will give you a brief overview of what POODLE…

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Correcting Perl Scalar::List::Util Errors on CentOS 5

We started getting some reports from users on CentOS 5 trying to run EasyApache and being unable to due to the following error: Undefined subroutine &Scalar::Util::readonly called at /usr/lib/perl5/site_perl/5.8.8/IO/Uncompress/Base.pm line 1104. We found that this is due to an outdated Scalar::Util module that was unable to be loaded properly by system Perl.  To fix this, you…

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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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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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Fixing cPanel Locale Errors

If you receive an “Internal Death” (generic cPanel speak for “something broke”) when accessing WHM and/or cPanel, the first thing you should do is check the cPanel error logs at /usr/local/cpanel/logs/error_log.  You may see something like this: die [Internal Death while parsing [stdin] xxxxx] Read of CDB_File failed: Protocol error at /usr/local/cpanel/Cpanel/CPAN/Locale/Maketext.pm line 217. Cpanel::CPAN::Locale::Maketext::maketext()…

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