Brandon Welsch brandon-welsch

PostgreSQL is Enough

See the new site: https://postgresisenough.dev

Adding Rack-Based Health Checks Without curl or wget

Image: Lake View Cemetary, Cleveland OH by Wendy Bayer

You can not address a problem without first knowing that there is a problem. Having health checks in your application allows you to easily determine and monitor the status of your critical application

I will often run this command to make sure all my docker containers are stopped and removed before running docker-compose up. Sometimes when you restart your system, old containers will start back up automatically in the background.

docker stop $(docker ps -aq) && docker rm $(docker ps -aq)

Think twice before abandoning X11. Wayland breaks everything!

tl;dr: Wayland is not "the future", it is merely an incompatible alternative to the established standard with a different set of priorities and goals.

Wayland breaks everything! It is binary incompatible, provides no clear transition path with 1:1 replacements for everything in X11, and is even philosophically incompatible with X11. Hence, if you are interested in existing applications to "just work" without the need for adjustments, then you may be better off avoiding Wayland.

Wayland solves no issues I have but breaks almost everything I need. Even the most basic, most simple things (like xkill) - in this case with no obvious replacement. And usually it stays broken, because the Wayland folks mostly seem to care about Automotive, Gnome, maybe KDE - and alienating e

Semantic Versioning of Minecraft Modpacks

v.1.0.0-rc.2
2020-07-09

Summary

The version number goes after follwoing format.

Simple: MAJOR.MINOR.PATCH

Prerequisites

Enable the multilib repository by editing /etc/pacman.conf

Install WineHQ and some other optional dependencies:

$ pacman -Syu wine
$ pacman -S --asdeps lib32-mpg123 lib32-gnutls {lib32-,}gst-plugins-base-libs \
                     lib32-alsa-plugins lib32-libpulse lib32-openal
$ yay -S lib32-unixodbc # or your favourite AUR helper

We'll install a 64-bit version of iTunes, so no need to set WINEARCH

Enable nested virtualization in KVM

For those times when you need to run virtualization (e.g. vagrant with VirtualBox) inside a KVM (libvirtd) guest.

The following taken from Enabling nested virtualization in KVM over on Fedora Docs.

Make sure that the Intel-VT-x/AMD-V extensions are enabled in the host machine's BIOS. For Intel:

Restic backup application - commands cheatsheet

Installation & config

add Retic repo
yum install restic

add a Restic credential file to root

vim /root/.restic

	[Unit]
	Description=cloudflared DNS over HTTPS proxy
	After=syslog.target network-online.target

	[Service]
	Type=simple
	User=cloudflared
	EnvironmentFile=/etc/default/cloudflared
	ExecStart=/usr/local/bin/cloudflared proxy-dns $CLOUDFLARED_OPTS
	Restart=on-failure

	# There can only be a single job definition per file. This job is named
	# "example" so it will create a job with the ID and Name "example".

	# The "job" block is the top-most configuration option in the job
	# specification. A job is a declarative specification of tasks that Nomad
	# should run. Jobs have a globally unique name, one or many task groups, which
	# are themselves collections of one or many tasks.
	#
	# For more information and examples on the "job" block, please see
	# the online documentation at: