So, Just a quick note. I bought an Asus O!Play in the store because I needed a new media client/player as the one inside my TV is simply too limited. The O!play had everything I needed and it supposed to implement nfs shares from the unix/linux world. Its supposed to be based on linux. Well… Continue reading ASUS O!Play

Updating Gentoo

Today, I started the task of updating my home_network gentoo hosts since its been a while. What a mess I have run into, baselayout2+openrc has been marked stable, luckily I caught the newsitem not to reboot before fixing the /etc/init.d directory with etc-update or similar tools. Next up, I have tons of broken packages and… Continue reading Updating Gentoo

SSH Ignore (un)known host keys

Sometimes, you wish that SSH would just connect without asking questions. For instance if you are on a trusted net where you do not need to worry about man-in-the-middle attacks. You can realise that wish with the following settings. Onetime setting as commandline argument: $ ssh -o UserKnownHostsFile=/dev/null  -o StrictHostKeyChecking=no user@ Warning: Permanently added ‘’… Continue reading SSH Ignore (un)known host keys

Lynis reports expired certificate

Today, My security scanner Lynis informed me that it found an expiring certificate for my cyrus imap server. Oh noes!!!! So I quickly located the following instructions online: openssl req -new -nodes -out req.pem -keyout key.pem openssl rsa -in key.pem -out new.key.pem openssl x509 -in req.pem -out ca-cert -req -signkey new.key.pem -days 999 cp new.key.pem… Continue reading Lynis reports expired certificate

Welcome to my unix pages!

Welcome everyone to my unix pages. Since not everyone who visits knows about my work, let me explain a little bit. I am a unix administrator with 15 years experience in the field. I have administrated tons of different setups, from small to large scales, from a few machines to 1000+ serverparks. I am currently… Continue reading Welcome to my unix pages!

Linux Administration for larger companies

Foreword Index Intended Audience Before we begin … Corporate prerequisites Choices to make Standards Policies Automation Users Software Service Level Agreements Applications Real world example case Choices Made Standards chosen Policies to implement Automated parts of the system Users