If Docker Sandboxes reports 'daemon failed to start properly after 10 retries' while the daemon log says the API server started successfully, check where your XDG directories live.

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I have several Ubuntu servers running Docker, and wanted a quick summary of the Docker environment whenever I logged in using SSH.

I could run docker ps, but most of the time I only need to know whether the containers are running and healthy.

The Ubuntu Message of the Day (MOTD) is a convenient place to display that …

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I upgraded my Pihole running in Docker last year, adding additional security of DNS over HTTP (DoH):

https://www.nodinrogers.com/post/2025-09-15-pihole6-doh-docker/

However, a short 2 months later, Cloudflare announced the cloudflared proxy-dns command, which allowed DoH to work, would be removed from all new …

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Update April 2026

Cloudflared removed the proxy-dns command from cloudflared in February 2026, so this guide should only be used for historical reference.

New gude, using dnscrypt-proxy is here: https://www.nodinrogers.com/post/2026-04-09-pihole-doh-docker/

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I recently upgraded both of my Pi-Holes to version 6.

Not …

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Plex had a security breach, and because of that, recommended all Plex users reset their passwords.

Email sent out from Plex: …

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By default, the Docker daemon listens for connections on a Unix socket to accept requests from local clients.

We are going to configure Docker to accept requests from remote clients by configuring it to listen on an IP address/port, in addition to the Unix socket.

There is a lot of conflicting, and incorrect …

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