Last week I upgraded from Kubuntu 9.10 “Karmic Koala” to 10.04 “Lucid Lynx”. The word “upgrade” here is misleading, since I chose to reformat to take advantage of filesystem changes. However, I imported much of my customisations from backup. Here are my notes on Lucid, from the perspective of a long-time Kubuntu user.
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The latest virt-manager package in Ubuntu karmic is broken. We use virt-manager to manage KVM/QEMU virtual machines over an ssh tunnel. This worked fine in hardy and jaunty. But it is partially broken in karmic.
Both kregexpeditor (removed since the KDE 4 upgrade) and grip (unmaintained since 2005, relies on old libraries) are missing from Ubuntu karmic. I expect to find alternatives to grip, but for now I’d like to keep using it. And I’ll give up kregexpeditor when they pry it from my cold, dead hands.
The hardy version of kregexpeditor still works on karmic, and I’ve used pbuilder to port the jaunty package of grip to karmic. Both are now in the repo.
One of the awesome features of the last several Ubuntu releases is support for ecryptfs, an encrypted filesystem. At Talia we depend heavily on GPG, OTR, SSH keys and other forms of encryption and secure identification. Loss of those keys and other confidential data to laptop theft, corporate espionage, or the US Customs Service is a big concern for us. This week I secured my laptop, as a prototype of our new corporate laptop setup. Here is how I did it.
Tags: encryption, karmic, security, ubuntu
Update 2010-05-02: See this comment.
I read an article in the Dec 2009 issue of Linux Magazine, one of several Linux-focused magazines we get at the office. I’d like to link directly to it, but it the magazine’s own website doesn’t offer the article or even a reliable permanent link to the issue number. Hint: hey guys, sort that out.
The article was about configuring ACPI hotkeys to support your specific laptop. IE, the buttons for “sleep”, “brightness up”, etc. For most laptops this already works on Ubuntu. On my Dell Vostro 1500, every button except for “sleep” worked right after install. This is Linux, so there is always some way to fix that.
Since upgrading to Ubuntu 9.10 I’ve noticed poor performance of VirtualBox guests with Intel VT-X hardware virtualisation enabled. This has been noted in a few places, but I didn’t enable VT-x until recently so I can’t be sure that the problem began with Karmic. I can be sure that it is happening to me now.
Tags: amd64, karmic, ubuntu, virtualbox
Friday I upgraded from Kubuntu 9.04 “Jaunty Jackalope” to Kubuntu 9.10 “Karmic Koala”. Here are my notes on the upgrade.