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Author Archives: blogger
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
Posted in Computer, Linux, Uncategorized
Tagged docker, linux, pki, self-hosted, smallstep
12 Comments
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
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
Posted in Computer, Luxembourg, Networking
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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
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
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
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
Posted in Computer, Linux, Mikrotik, Networking
2 Comments
Install Firely III on Ubuntu 19.04
“Firefly III” is a (self-hosted) manager for your personal finances. You can find more about it on the following sites: github.com/firefly-iii/firefly-iii docs.firefly-iii.org/ Install prerequisites Let’s first install the requirements to run Firefly. Firefly documentation says it runs on PHP 7.2 … Continue reading
Posted in Computer, Linux
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Using a Mikrotik router with Tango Fiber (Luxembourg)
Hi guys, I moved to Luxembourg and I have opted for Tango Fiber. Their router is a Fritz!box which I do not like at all. I have a spare Mikrotik router, so here is how to configure. Tango Fiber uses … Continue reading
Compile pjsip with pjsua on Ubuntu 16.04
As a personal note to myself :-) apt-get install make gcc pkg-config libasound2-dev wget www.pjsip.org/release/2.6/pjproject-2.6.tar.bz2 tar -xjf pjproject-2.6.tar.bz2 cd pjproject ./configure && make dep && make sudo make install sudo cp pjsip-apps/bin/pjsua-x86_64-unknown-linux-gnu /usr/local/bin/pjsua That’s it!