Sysadmin-Devops
- Configure Zabbix Agent
Details on configuring Zabbix Agent on OpenWrt, including a helper script to collect the list of packages installed.
- Bare metal cloud-init
A guide to using a Debian cloud image and cloud-init on a bare-metal host for fast deployment. The base configuration is very basic and aims to act like an OVH Debian 12 (Bookworm) dedicated server base configuration.
- XCA private SSL certs
This article details using the XCA GUI for creating private SSL certificates for enabling end-to-end SSL on non-public servers.
- Add Privilege - PowerShell
For Windows PowerShell, adding a security privilege to a user takes more effort than one would expect. Here we show a method with no third party dependencies. Discussion Basically we use PowerShell’s Add-Type cmdlet to add .NET (C#) code which calls a Win32 API function (LsaAddAccountRights) to the script’s context. We then instantiate a wrapper class and call a method which calls the LsaAddAccountRights function (with necessary setup and cleanup).
- 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.