Category: Ubuntu

Git – Rollback to a Specific Point

I woke up to a rude shock today… got an email from an acquaintance I am working with on a certain project –part of the grand requirement towards my MSc research. We are working on a digital collection and it turns out there were a couple of anomalies with the repository version I provided them two months ago (August, 2011). The issue though is that two months down the line and I have made so many changes to my code and the collection in general and he wanted the same exact format of the collection I provided to them. The good thing though is that I started using a version control tool –Git [1]– in June, 2011 (more…)

Ubuntu Past Group Membership

I was in the process of installing Virtualbox day before yesterday (September 20, 2011); needed to add myself to the vboxusers group, but accidentally erased my group membership on Ubuntu –I feel retarded right now. It was a silly mistake really, I accidentally left out the “-a” (append) switch when I was trying to add myself to the vboxusers group.

A tail on /var/log/syslog file was not very helpful. (more…)

apt-get update – W: Failed to fetch http://archive.canonical

I have a confession to make; I am obsessed with problem solving….. I know you’re probably looking forward to seeing how I solved the problem, but I figured you might be interested in some background information before we proceed. I was in the process of installing a digital repository tool (DSpace) and it so happens that Oracle Java JDK 6+ is one of the prerequisite software required; the result of not installing Oracle’s JDK is below :( (more…)