Sysadmin

Manage Open WebUI users and roles with Keycloak

Sysadmin AI

Centralized Identity and Access Management (IAM) : First steps with Keycloak and OIDC

Sysadmin

Build a Custom Linux Container

Linux Sysadmin

Passive network monitoring with arpwatch

Linux Monitoring Sysadmin

Avoid credential leakage with Pass: the standard unix password manager

Linux Sysadmin Secure Software Development Git Tools Deployment bash

Managing OpenVPN connection via nmcli: A Comprehensive Guide

Sysadmin VPN

Managing OpenVPN via nmcli provides a streamlined, scriptable alternative to manual configuration, particularly in CLI-only environments. This guide covers importing configurations, securing credentials, and managing routing using NetworkManager.

Customize your bash prompt

Linux Sysadmin

Configure a Wireguard VPN on OPNSense

Sysadmin VPN

SSHing old devices : config snippet

Sysadmin

SSH was created in 1995 by Tatu Ylönen, a researcher at the Helsinki University of Technology in Finland [1]. Over more than 30 years of existence, it has evolved to offer more security. But once in a while you may have to SSH into an older device that does not support modern SSH algorithms and mechanisms. This is typically the case to configure network devices like switches.

How to Reset a Forgotten Root Password on Linux Distros

Linux Sysadmin

Move /home directory (or any other) to a dedicated partition

Linux Sysadmin

Configure client-server OpenVPN on OPNSense

Sysadmin VPN