sysadmin

I want to use my TrueNAS box as an iSCSI storage backend for my virtual machines managed by libvirt. Here is how to set this up.

I describe the infrastructure that supports our family self-hosted Nextcloud service.

Using regexes to pass multiple parameters to each blackbox target.

Trigger an alert from a cronjob daily at noon local time as a canary alert for the monitoring of the monitoring system itself.

How to use certbot –manual to obtain and renew Let’s Encrypt SSL certificates on an Nginx or HAProxy load balancer.

Cette présentation est une introduction au fonctionnement de Kerberos. Il s’adresse aux administrateurs de systèmes désirant aborder ce sujet complexe et vaste.

Trying images from the QEMU Advent Calendar on OpenStack

Here is how to configure the user-ldap plugin in ownCloud/Nextcloud with a FreeIPA server.

A playbook to get an SSL certificate from Let’s Encrypt and install it on a NearlyFreeSpeech.net site using Ansible’s letsencrypt module

Monitorer la page de statut de Nextcloud avec une expression régulière

Pour les gens qui demandent qu’est-ce que je fais avec 18 VM.

Migrating my blog from my homebrew Django application to Pelican, the static site generator written in Python.

I migrated my OpenPGP key from 1024 bit DSA to 4096 bit RSA.

How to build a man page from RestructuredText format using Debian build scripts.

A trick to serialize Ansible tasks with delegate_to that cannot execute concurrently.

Don’t hold back from buying a managed switch because it’s noisy. Case modding is totally an option!

My new IT project is to redo my home network.

My site now has a Let’s Encrypt SSL certificate. Let’s Encrypt is a new Certificate Authority: It’s free, automated, and open.

Expérience en compression d’image de disque.

Dans cet article, j’explique comment j’accomplis la séparation et la sécurité des données de sauvegarde.