Linux

Howto remove orphan packages in Ubuntu

There is usually some orphan packages left on the system after upgrading Ubuntu from one major version to another. These packages can cause strange errors like Ubuntu bug #151045. The solution to this problem is a package named deborphan. deborphan removes orphan packages that are left on your Ubuntu installation and you should run this […]

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Linux

Ubuntu and clicking sound from the harddrive

I have experienced that my harddrive makes a clicking sound about every 10th second on my Ubuntu 9.10 and a fix to this problem is to disable APM using hdparm. This behaviour comes from very activ APM modes that some drive manufacturers use and that leads to excessive head parking and can reduce a harddrives […]

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Linux

Logon to Norsk Tipping using Ubuntu 9.10

This post is a short howto how I managed to use my Ubuntu 9.10 (Karmic Koala) to log on to the web pages of Norsk Tipping using a USB CardMan 3121 buypass card reader and Firefox web browser. First of all you need to install Java to login to Norsk Tipping webpages. # aptitude install […]

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Linux

Create a Debian Lenny installation USB stick

This is a short post that describes how to prepare your USB memory stick for a base installation of Debian Lenny. This will most likely also work on Debian based distributions like Ubuntu. Download the latest Debian boot.img.gz file # wget http://people.debian.org/~joeyh/d-i/images/daily/hd-media/boot.img.gz Download the latest Debian netinst ISO image # wget http://cdimage.debian.org/cdimage/daily-builds/daily/arch-latest/i386/iso-cd/debian-testing-i386-netinst.iso Connect the USB […]

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Network

iptables connection tracking table full

I’ve recently experienced that my workstation (Ubuntu Jaunty Jackalope, 9.04, x86_64) “hangs” periodically when my internet browser, Mozilla Firefox, has a lot of active tabs. In my case I had > 100 active tabs in more than 20 windows. I know I should have closed some of them but that is not an option right […]

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