Category Archives: Linux

Short Tip: Replacing a failed drive in mdadm softwareraid

Sometimes you check your fileserver and your raid looks like this: # cat /proc/mdstat Personalities : [raid1] [raid6] [raid5] [raid4] md125 : active (auto-read-only) raid6 sdl[1] sdh[7] sdf[5] sdk[2] sdg[6] sdm[8] sdi[0] sdn[10] sde[4] 23441080320 blocks super 1.2 level 6, … Continue reading

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Doing IPv6 with systemd-networkd – the correct way

Understanding the docs: I blogged about IPv6 with systemd-networkd in Arch Linux step by step installation guide and provided a hacky workaround to get a working IPv6 address configured. I read through the docs again and hand a longer discussion … Continue reading

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Linux Short Tip: Correct IPv6 with ferm firewalling

I mentioned ferm in my last post about gluster (an iptables/ip6tables abstraction layer in perl with a nice firewall config). The default rule-set looks like this: Most people attend to C&P that blog and wrap it in domain ip6 {} … Continue reading

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Short Tip: Setup glusterfs share on Arch Linux

I made a detailed tutorial for a Arch Linux installation a few days back. This is a quick follow up post to create a Distributed-Replicated gluster share. The goal is to create a mirror for several linux distributions. A mirror … Continue reading

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Fixing and improving rspec tests

Today I stumbled across our puppet module for gluster. My goal for the next days: modulesync with voxpupuli default settings Fix rspec tests to work with our new test matrix (newer puppet versions and STRICT_VARIABLES=yes) Make a new release for … Continue reading

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Arch Linux step by step installation guide

I recently created a simple step by step guide to get a basic Arch Linux running on a VPS. Most providers don’t provide standard Arch Linux images but a VNC console + ISO upload solution, this guide is made for … Continue reading

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Let’s Encrypt automation – The awesome way

Free SSL for the mass \o/ Cryptography is important. I like to encrypt as much traffic and data as possible, not only the important stuff. Let’s Encrypt is a new project sponsored by multiple big companies and the Linux Foundation … Continue reading

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Short Tip: Fiddling around with login shells

I’m currently playing around with LARS, this script collection creates a arch ISO with some post-install magic, for example setting a login shell for root. The used code is: I could boot up the image and ssh into it with … Continue reading

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VirtAPI-Stack Review Part 1 – What happend in the last six months?

I announced the VirtAPI-Stack during the last “30 Posts in 30 Days” Challenge. Let us do a recap, what did we achive in the past 6 months? VirtAPI-Stack description: Let us start with a short description, what was that VirtAPI … Continue reading

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Creating a reliable Arch Linux Package Build Environment

The Arch Linux developers created some fancy scripts to setup a build environment. It consists of a btrfs subvolume with a minimal Arch Linux installation (only packages from base-devel). A snapshot will be created for each build, the builds will … Continue reading

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