[tek-nol-uh-jee]

Lets Encrypt Wildcard certs

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I searched a half hour for a how-to for Let’s Encrypt Wildcard certificates with automatic renewal. All sites I’ve found just promoted the manual method, where I would have to manually add dns entries every 3 months – neeeeeever! Then I stumbled upon acme.sh. This acme client tool for Let’s Encrypt even has plugins for […]

[tek-nol-uh-jee]

Editing office documents directly inside nextcloud

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It bothered me for long, that I couldn’t edit office documents directly online on my own/nextcloud. Then I found the collabora plugin in the nextcloud apps and checked the nextcloud website about that. It’s easier than you think. First Step: Get yourself the docker container running The simplest solution would be a docker-compose.yml file like […]

[tek-nol-uh-jee]

IPv6

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Well, it’s about time that I handle that topic too. So here’s a list what I had to do to get it working on all services I have running Checking the IPv6 subnet I got from my provider Setting one of those IPs on the network device Checking DNS entries Adding AAAA records for “*”, […]

[tek-nol-uh-jee]

Zuul, Jenkins, Gerrit and Git submodules

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So, we got a Git -> Gerrit -> Zuul (w/ Gearman) -> Jenkins setup at work and we started to use Git submodules with one repository lately. Setting up the quality gate with Zuul and Gerrit for a normal git repository is quite straight forward and I won’t mention that any further. We got the […]

[tek-nol-uh-jee]

Fuck you, probability!

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So why do we nerds use NAS/Server storage with RAID systems? Because we know hardware can fail, especially mechanical hardware. And there are different variants of RAID (redundant array of independent disks) systems RAID 0 (All disks just appear as one) RAID 1 (One disk is mirrored to another one) RAID 10 (Half of the disks […]

[tek-nol-uh-jee]

Rescuing data from a damaged Windows HDD pt.II

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When I did and wrote the first post I did not know of ddrescue. And it worked like a walk in the park, it just took eight and a half hours… /tmp # ddrescue -d -r3 /dev/sdd2 blah.img blah.logfile GNU ddrescue 1.21 Press Ctrl-C to interrupt ipos: 113173 MB, non-trimmed: 0 B, current rate: 0 B/s […]

[tek-nol-uh-jee]

The Browser Struggle

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I were a long-time Firefox user because of the unique addon called ‘tree style tabs’ and this browser is still the only one implementing this feature the right way. Basically there’s no alternative, period. So now I’m facing the problem that Firefox gets slower and slower. First of course I’m a tab whore, 50-100 tabs […]