As said in the previous post, the “fancy” EXSYS 8 port card got happily recognized, but: It only showed 4 of the total of 8 Ports, and that was only when the 2 onboard serial controllers were disabled. *grrr* After trying out also Debian’s backport kernel without success I checked the 8250’s driver code in … more
I recently ran across an interesting issue when I started building a network lab. Anyway, I wanted a serial console server to not always swap console cables between every box. Since real serial console servers (well, makes me think of a KVM switch but for serial console ports) can be prhibitively priced, I looked at … more
Hmm, I don’t know why forgot to post this, I just wasn’t caring that much about my blog recently š I’ve been at the libre software meeting – for the french speaking people “rĆ©union mondiale du logiciel libre” – in Geneva this year. I initially planned to only speak a little about illumos, then later … more
Correct time in VMs is unfortunately has and will continue to be somewhat of an issue – some virtualization environments provide clock sources so you don’t haveĀ to rely on ntpd (which fails if the drift gets too high). So for the short note – how can you check if you are using a time … more
I’ve been a irregular user and admin of a GLPI server at work – GLPI is an open source IT asset management software that enables you to automate lots of asset management workĀ (also thanks to FusionInventory and its agents) while providing a UI that also non-Admins can work with – e.g. make your financial auditor. … more
This is a story about good practise and “don’ts” in sysadmin work,Ā inspired by Bryan’s (@bdha) blog entry about theĀ first law of systems administration. Recently IĀ got some used gear for labĀ – the story of this gear, a set of FC switches – remembered me of a lesson about what can go wrong … more