Multi-threaded tar/bzip2

I often find myself banging my head against a wall watching tar compress with a single execution thread. PBZIP2 is the solution to that problem.

Here’s my few recipes for using this:

Compress: tar cf archive.tar.bz2 –use-compress-prog=pbzip2 archive/ Uncompress: pbzip2 -dvc archive.tar.bz2 | tar x


Dear Diary: Running Trac and upgrading to Ubuntu Server 14.04

I’m a fairly heavy user of trac. I’ve got various software projects I organize using trac. I decided to upgrade one of my Ubuntu 12.04 servers to Ubuntu 14.04 and of course ran in to the typical apache2 headaches that are born out of this particular transition.

After remembering to rename my virtual host files […]

My Diary: Upgrading Alfresco Installations

Here’s my diary from the “epic” experience of simply trying to upgrade Alfresco installations from 4.2.c to 4.2.f. I found the community documentation to be dated and had minimal confidence in its current validity. Still, it helped. These are my final notes on the process and in actuality there were a lot of wrong turns […]

My Diary: on running PHP 5.5+ & Apache 2.4 on Ubuntu 12.04

I’ve been working on migrating a Moodle 2.4+ installation from a rickety old Ubuntu 10.04 server on Amazon EC2 to a fresh machine as I can’t seem to update the original server to 12.04, which has newer PHP packages I require to run Moodle 2.6+, which I want specifically due to a user stats plugin […]

Apt cache cheatsheet

I’ve been setting up a number of apt-cacher instances on different networks I run Ubuntu boxes on. This is a well documented process. I’m posting the key steps if only for my own reference later.