Errors on /scripts/upcp: Undefined subroutine…

When running a cPanel update, you may get the following error: /scripts/upcp /scripts/upcp syntax OK Running Futex Check/Fix……Done Undefined subroutine &Cpanel::Update::automatic_updates_enabled called at /scripts/upcp line 273. To fix this, run the following command: wget -O /root/updatenow.static http://httpupdate.cpanel.net/cpanelsync/RELEASE/scripts/updatenow.static && perl /root/updatenow.static –manual Then you can proceed running a cPanel update: /scripts/upcp –force…

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Fixing Quotas on a cPanel Server

If you go into WHM > List Accounts and all your accounts are showing an unlimited quota and 0 disk space usage, you probably have a quota problem. First thing, try running /scripts/fixquotas This’ll take a while depending on your current disk usage, but will usually fix the problem. If it doesn’t, make sure that…

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Everything You Wanted to Know About Cron

The following is a guest post from Gwen Davis of hostingobserver.com. History The first cron was written in the early 1970s for Version 7 UNIX as a system service (also known in UNIX as a daemon). The algorithm, invoked from the /etc/inittab location whenever the OS entered a multi-user mode, was simple — every minute,…

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Using Custom RBL’s with Exim and cPanel

cPanel 11.28 introduces an way to easily implement your own RBLs for Exim to perform lookups against.  To get started, log into WHM > Exim Configuration Editor and click on the RBLs tab, then Manage custom RBLs. From here, enter in the information for your RBL as follows: The DNS list would be the hostname…

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Setting up a Red5 Flash Media Server

This post will explain a simple process for installing a Red5 Flash Media server in a VPS or Dedicated environment. Install Subversion and Java yum -y install java-1.7.0-openjdk java-1.7.0-openjdk-devel yum -y install subversion Install Ant (get the latest from http://ant.apache.org/bindownload.cgi) cd /opt wget http://apache.spinellicreations.com/ant/binaries/apache-ant-1.9.0-bin.zip unzip ant/binaries/apache-ant-1.9.0-bin.zip mv apache-ant-1.9.0 ant ln -s /opt/ant/bin/ant /usr/bin/ant Update bash…

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10 Tips for Improving Email Delivery

One of the most common problems that hosting providers face is the issue of user email not being delivered to other mail servers. Not only does it annoy the end user, but it’s extremely frustrating for the server administrator to deal with since there’s not always a clear indication of why email doesn’t get delivered…

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Nasty Kernel Exploit in the Wild

I love waking up in on a nice Saturday morning to find out that one of my servers was rooted. A two-year-old kernel issue in Redhat distributions has surfaced in the form of a nasty exploit byAc1db1tch3z. Basically, a 32-bit binary is compiled and loaded to the server, and when run by any users (even…

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