Archive for the ‘Linux’ Category

HP ILO2 Remote Console Keyboard not working in Linux

Thursday, October 22nd, 2015

This is a short fix: add “usbcore.autosuspend=-1” to GRUB/LILO command line. Tested on DL360 G5 with Linux kernel version 4.2.3.

Origin of solution: https://bugzilla.redhat.com/show_bug.cgi?id=832676

Migrate/convert existing full CentOS 6 server to LXC container

Sunday, October 11th, 2015

“Containerization is a great thing!” Ok, great. So, what now? How do I containerize my servers?

Converting whole servers that served more than single purpose goes against main reason for containerization: using dedicated containers for each service and thus eliminating package (and other) dependency conflicts. But sometimes your whole servers (or VMs) need to be containerized for various reasons: they were already used for single purpose, or services on them are enough unimportant and consume very little resources and thus moving HW (or VM) server to container just makes sense from resource conservation’s point of view.

Recently I was tasked with containerizing CentOS 6 host. Below follow steps I did to make it work.
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cPanel EasyApache YUM error: couldn’t create autoTLSkey mapping

Saturday, August 15th, 2015

If you ever encounter this error while running EasyApache (v3) on cPanel server:

This is the solution:

I have a hunch that was is IPv6 related, but can not confirm it ATM. Funny thing though: If I ran the exact same command in the shell by copy-pasting it and prepending it with “yum “, it worked flawlessly.