Running multiple services on Dokku

Dokku makes it very easy to deploy and run simpler web apps. Recently, I had to deploy a slightly more complex web app with multiple non-web worker services talking to each other. It’s surprisingly simple to get make this work. ...

October 1, 2022 · 2 min · Josef Erben

Fix Autostart On XFCE

It took me three months and five attempts to fix this issues. Upon reboot two terminal panes and one Emacs instance auto started and I didn’t know why. ...

January 23, 2022 · 2 min · Josef Erben

Replacing Dropbox With Syncthing

Dropbox has some well known issues on Linux which made me look at alternatives. I found an alternative that I am very happy with. ...

November 27, 2021 · 3 min · Josef Erben

Upgrading NixOS Channels

Upgrading NixOS so that it uses a different channel is simple. When you run following command as root: nix-channel --list You should see a list of channels. If you did not touch channels so far, you should see this: nixos https://nixos.org/channels/nixos-21.05 By running the following command (as root): nix-channel --add https://nixos.org/channels/<channel version> nixos you will remove the 21.05 channel and replace it with <channel version>. To apply the change, you need to run following command:...

November 24, 2021 · 1 min · Josef Erben

Installing Only Certain Packages from Unstable on NixOS

Following the NixOS installation guide I ended up with a setup using a stable NixOS channel that just keeps giving. Sometimes however, it can be necessary to include packages from an unstable channel. ...

November 23, 2021 · 1 min · Josef Erben

Ignoring Files with Dropbox on Linux

On Linux you can set attributes to ignore files for syncing. ...

November 22, 2021 · 1 min · Josef Erben

Fixing Bash Autocompletion on Elastic Beanstalk When Using SSH

If you use urxvt to connect to your EC2 instance through Elastic Beanstalk, running eb ssh will give you a shell where autocomplete does not work. Fix that by running TERM='xterm-256color' eb ssh

November 21, 2021 · 1 min · Josef Erben

Thinkpad T14 with NixOS and I3WM

3 months ago I installed NixOS, i3wm and XFCE on my new Thinkpad T14 (1st Gen). It is my main machine that I use every day. In this blog post I summarize my experience with this setup. ...

November 20, 2021 · 4 min · Josef Erben

Captive Portals in Coffee Shops and Hotels using Linux

You sit in a cozy coffee place and you just finished your coffee. You are still not connected to the WiFi while the MacBooks and Surface devices around you have sent and received Gigabytes of data since you sat down. You are a Linux user. ...

November 18, 2021 · 1 min · Josef Erben

Generating Random Strings on Linux in One Line

With following command you can print a random string of a certain length on Linux. tr -dc A-Za-z0-9 </dev/urandom | head -c 32 ; echo '' The string is safe to use in most web contexts such as HTML forms or environment variables.

November 17, 2021 · 1 min · Josef Erben

Playing Anno 1404 Venice on Proton

In order to play Anno 1404 on Proton , follow these steps. ...

August 15, 2021 · 1 min · Josef Erben

Autostart Dropbox on NixOS using I3WM

Install Dropbox using NixOS in your preferred way. ...

August 13, 2021 · 1 min · Josef Erben