Updated Jan 16
While attempting to upgrade WHMCS version 5.x to 7.x, I kept getting MySQL errors from the updater script, and here’s how I was able to fix it. (more…)
Recently when working on setting up a laptop for a couple technicians I kept running into this error with Windows Updates. Tried running the troubleshooter, even checked disk for errors but couldn’t come up with a solution. Turns out it’s actually a lot easier to fix than I thought. I was getting this error because when the Windows 8 OEM Dell laptop was joined to the domain, it automatically setup the WSUS (Windows Update Services) to an internal Windows Update server. The laptop specifically told me that my Windows Update were “Managed by your System Administrator”. In my case this server was a test server, which was no longer online. I wanted to revert back to the Microsoft Update servers, and here’s how to do it. (more…)
Recently when working on an OpenVZ container I was attempting to create a backup. While doing so I kept running into a problem where the server wouldn’t let me unmount the container in order to create the backup. The error you may see in this instance would say “Can’t umount /var/lib/vz/root/OpenVZID device or resource busy”, or “Can’t umount /var/lib/vz/root/100: Device or resource busy TASK ERROR: command ‘vzctl umount 100’ failed: exit code 51″, in this case the container being 100. Here’s how I was able to fix it … (more…)
If you’re having a problem with your emails being sent or received on a cPanel or any server with exim installed there is a quick and dirty way to test it using a few commands under SSH.
