I was on my mobile, looking up a few recipes, I was amazed at the number of intrusive ads I was getting, which made reading the web pages almost impossible.

Decided it was time to investigate Pi-hole, as I'd heard good things about it.

The Pi-hole is a DNS sinkhole that protects your devices from unwanted content, …

Damn, that was a long, drawn out title….

Basics:

• As of this writing, I’m running TrueNAS 12.2

• While I really like TrueNAS, TrueNAS/FreeNAS doesn't support Docker containers.

• The TrueNAS team is working on TrueNAS SCALE, which is Linux-based, and support Docker containers, but it’s still in alpha.

• Once TrueNAS …

While testing out TrueNAS SCALE, I wanted to do some Docker-ing, and following best-practices, I tried to configure non-root access to the Docker daemon.

Fail !

I had added my username to the existing docker group:

sudo usermod -aG docker $USER

But I was still unable to use Docker, unless I was root:

docker ps
Got …

By default Docker needs to be run as the root user.

Not practical or advisable in a production, or shared system to be consistently logged in as root (think running with scissors).

Out of the box, attempting to run Docker as a non-root user gets this error:

whoami
tom

docker run hello-world
docker: Got permission …