Sysadmin-Devops

Using XCA to create private SSL certificates

This article details using the XCA GUI for creating private SSL certificates for enabling end-to-end SSL on non-public servers.

May 12, 2021 by Daniel F Dickinson5 minutes

Raspberry Pi OS as a server

You may find yourself in need of a 'bare metal' server. If the workload is not too demanding, a Raspberry Pi can be a good choice.

September 8, 2020 by Daniel F Dickinson19 minutes

PowerShell: Adding Privileges to a User

August 9, 2024 by Daniel F Dickinson5 minutes

Docker network: LAN to container

When using Docker to containerize internal services like Samba, LLMNR, or mDNS a.k.a Bonjour one may find that the standard Docker model of using specific unicast ports forwards, is insufficient.

February 21, 2022 by Daniel F Dickinson3 minutes

Gitea Pi

This article describes setting up a Raspberry Pi Model B+ as a private Gitea (lightweight Git hosting) server.

May 16, 2021 by Daniel F Dickinson10 minutes

Pi Unbound: The gift of DoT

Keeping your DNS queries from your local network to public DNS servers private in transit by using DNS over TLS on a Raspberry Pi is ridiculously easy.

December 20, 2021 by Daniel F Dickinson7 minutes

Real life SystemD timers

Most blog entries on SystemD timers give trivial samples. This article takes a different approach and provides the full details of two examples of using SystemD timers that are in active use.

March 7, 2022 by Daniel F Dickinson6 minutes

No backscatter email alias relay

Setting up an email relay that aliases addresses in various domains to a specific offsite user doesn't have to mean backscatter. Here is one solution.

August 9, 2021 by Daniel F Dickinson6 minutes

ARM Libvirt/KVM virtualization

For old school ARM (32-bit) or shiny new UEFI ARM (32-bit) virtual machines in Libvirt/KVM and automated or manual creation, you can have what you want.

November 9, 2020 by Daniel F Dickinson0 minutes

Four ARMs for Libvirt/KVM Virtualization