While trying to set up a VPS running Ubuntu 14.04 I was unable to compile Ruby 2.1.1 (which was the current version). I kept running into errors such as:

readline.c:1977:26: error: ‘Function’ undeclared ...

The cause is that Ubuntu 14.04 ships with Readline version 6.3 which apparently breaks builds of Ruby and Python. …

I needed to upgrade my linux server’s hard drive from a traditional HDD to a SSD. Unfortunately the old hard drive was 80 GB and the new one is 64 GB. There are commercial programs for this purpose but I figured I could do it with freeware. To that end, you will need:

1. Linux live CD (anything with Gparted on it …

Ubuntu 12.04 breaks netatalk and when you try to login in to the apple share you will get errors such as this in /var/log/syslog:

Jun 14 13:03:13 GlaDoS afpd[4395]:
===============================================================
Jun 14 13:03:13 GlaDoS afpd[4395]: INTERNAL ERROR: Signal 11 in pid 4395 (2.2.1)
Jun 14 …

Soft raid setup with mdadm

I have a Raid-6 running and it currently has 6 drives. My Mobo has 6 sata ports, one of which is used up for the boot drive (not involved in the array). The sixth array drive is on a PCI sata/raid card. The server is headless, which is important because I do not want degraded array events to …

In order to determine the source of a package:

apt-cache policy {package name}

e.g:

apt-cache policy xbmc
xbmc:
  Installed: 2:11.0~git20120321.14feb09-0ubuntu1~ppa1~lucid
  Candidate: 2:11.0~git20120321.14feb09-0ubuntu1~ppa1~lucid
  Version table:
 *** 2:11.0~git20120321.14feb09-0ubuntu1~ppa1~lucid 0
        500 …