Ubuntu upgrade behind firewall

I’m currently upgrading my Ubuntu-in-VirtualBox at work from Jaunty to Karmic, but at first it didn’t work at all. Update Manager got stuck when I clicked the “Upgrade” button. Due to the Big Corporate Firewall all Internet access must go through the the Enterprisey Proxy so I immediately suspected a firewall/proxy issue. However, Update Manager,… Continue reading Ubuntu upgrade behind firewall

To upgrade or not to upgrade?

I have updated a couple of my Ubuntu 8.10 (Intrepid) installations to Ubuntu 9.04 (Jaunty) but not yet my primary laptop. I was about to do that tonight (isn’t starting something at 22:00 a grea idea?) but the upgrade procedure showed me the message below, making me postpone the upgrade and write this blog post… Continue reading To upgrade or not to upgrade?