Author Archives: blogger

Backup gitea container

Gitea is great when you want a fast, light and yet user-friendly git repositories. Alternatives would be Gogs, Gitlab or even Github. Gitea documentation tells you to use docker exec to perform a backup. However, this prevents you from using … Continue reading

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Applying Audit Policies

If like me, you are trying to enable Audit Policies on Windows computers in a domain using Local Policies > Audit Policy, and it does not work, then you came to the right place. The reason is: that is the … Continue reading

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A Raspberry Pi, a UPS and a couple of ESXi servers walk into a bar

If you have the power of multiple servers connected to a UPS, you probably need to shut them down when the power goes down and before the UPS runs out of juice. Unless your UPS can be connected to the … Continue reading

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Running a PKI using Smallstep certificates with Docker

Recently, I had to set up a new PKI. I was going to go with the good old OpenSSL but it’s 2021, there must be a more userfriendly and, more importantly, automated approach. There are many open-source possibilities: EJBCA, cfssl, … Continue reading

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Computer case: Antex NX800 mounting tips

If you plan to buy the Antec NX800 for your new build, you should be aware of a couple of things. First, it is one of the cheap-ish cases that support a 280mm radiator at the top. This is the … Continue reading

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Tango Luxembourg using private IP addresses for Fiber internet access

When I moved in Luxembourg, I subscribed to Tango Luxembourg Fiber internet access. Back then, I got the usual dynamic public IP address “for free”. It was changing every 36 hours but at least it was a public one. Recently, … Continue reading

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Deprecation of apt-key in Debian-based distributions

I recently installed an Ubuntu 21.04 and when I wanted to install Atom editor, I was given the following warning about apt-key being deprecated: After a bit of Googling around, I stumbled on this post on askubuntu.com explaining why apt-key … Continue reading

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Gitlab-runner and docker behind a proxy

After reading many articles and trying many things, this is how I solved it. For docker daemon itself to use a proxy, configure environment variables using systemd file /etc/systemd/system/docker.service.d/http-proxy.conf : For gitlab-runner daemon itself to use a proxy, configure environment … Continue reading

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Post install steps with Gitlab

It happens I recently had to install Gitlab and was a bit lost about what to do right after the setup finished, perhaps this will help. By default, Gitlab stores its data files in /var/opt/gitlab and its backups in /var/opt/gitlab/backups … Continue reading

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IPsec tunnel between Ubuntu 20.04 and Mikrotik router using strongSwan

Here is how to establish an IPsec tunnel between an Ubuntu 20.04 host and a Mikrotik router using IKEv2. The 2 endpoints of the tunnel are: ubuntu.xentoo.info : the Ubuntu server. This server has a local private subnet 10.0.0.0/24 and … Continue reading

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