The latest debacle over the "forced" upgrade to Windows 10 and Apple's increasingly locked-in ecosystem has got me thinking. Do I really need to use a proprietary operating system to get work done? And while I'm at it, do I need to use commercial cloud services to store my data?

Aujourd’hui, on va voir comment installer Kexec et le script kexec-reboot sur son serveur. Kexec permet de rebooter son serveur Linux et d’appliquer un nouveau kernel à chaud.
C’est très intéressant sur un serveur dédié, car cela veut dire que vous ne redémarrez pas le serveur lui-même, mais seulement le système d’exploitation. Sur une machine virtuelle, le gain est peu perceptible et la technique ne marche pas forcément.
Ça réduit grandement votre temps d’indisponibilité.

An alias is nothing but the shortcut to commands. The alias command allows the user to launch any command or group of commands (including options and filenames) by entering a single word.

Redox is a Unix-like Operating System written in Rust, aiming to bring the innovations of Rust to a modern microkernel and full set of applications.

PostgreSQL on EXT4, XFS, BTRFS and ZFS

Logs contain valuable data for informing the operation of your containerized applications. During development, we can use docker logs to get a stream of logs from a container. But this is just one way that Docker provides to access logs; Docker log drivers support protocols that can centralize logs for aggregation and analysis.

January, 2015. For about a decade now, I've been using full disk encryption on FreeBSD. Many articles I've seen on the web giving directions on how to accomplish this are not really "full disk"; they leave some of your hard drive unencrypted because the boot code itself needs to be unencrypted. I, on the other hand, am unreasonably paranoid, and so have long had my boot code on an external thumb drive so that my entire hard drive is encrypted. After booting, the thumb drive can be removed and physically kept with you or in a trusted place.

Le Shell est un interpréteur de commande qui permet d'accéder aux fonctionnalités internes du système d'exploitation. Jusqu'à maintenant nous avons utilisé le Shell par défaut proposé par Debian, à savoir : bash. Mais il est possible d'utiliser d'autres Shell (comme par exemple Fish, Zsh, Csh...) qui offrent des fonctionnalités supplémentaires qui permettent d'interagir avec le système avec plus de confort et de simplicité.

HAProxy is TCP/HTTP reverse proxy load-balancing software that is available as open source software for both community and enterprise users. HAProxy has become the standard in the load balancing and high-availability management industry because it is available in most Linux distributions and is also the reference load-balancer for cloud orchestrator projects such as OpenStack and CloudStack as well as container orchestrators such as Kubernetes.

With last week's OpenSSL vulnerabilities questions came up when LibreSSL would replace OpenSSL in FreeBSD base. This was picked up by the HardenedBSD developers and they asked me if I'd be interested in adding LibreSSL as alternative libcrypto/ssl in HardenedBSD. Well SURE I do! This post describes the early stages of this project.

Cette série d’articles sur la mise en place des jails de FreeBSD 10.1 a commencé par la mise en place de l’architecture et la création d’une première jail de test.

I’ve spent the last couple months configuring and setting up a new home server, with the intent of using it as a storage and media server.

As I wrote about in the past, Windows support was coming to the FreeBSD hypervisor bhyve. Support officially came with FreeBSD 11.0-CURRENT r288524 when it was announced via the FreeBSD Virtualization mailing list. Shortly after, Windows Diplomat Michael Dexter wrote a great how-to on the FreeBSD Wiki to get Windows up and going under bhyve.

Cet article est un petit mémo sur la commande dig, qui permet de tout savoir sur les resolveurs DNS. Pour rappel, un résolveur DNS est un serveur, qui va résoudre un nom d’hôte (ou un FQDN : Full Qualified Domaine Name) en adresse IP.

I had problems with getting an old amd64 system boot from USB using miniroot58.fs as biosboot(8) aborted with ERR M. My only remaining option was to get PXE working.

I've been using OpenBSD since way back at release 2.3 in 1998, so I've gone through upgrades that took a fair amount of work due to incompatible changes, like the switch from ipf to pf for host firewalling or the change to ELF binaries.

How do I install rsnapshot a filesystem snapshot utility based on rsync on my FreeBSD server to backup my local/remote Linux and Unix-based desktop, server and laptop system?

pledge(), a new mitigation mechanism

Sudo (su "do") allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments.

A regular expression is a sequence of characters used for parsing and manipulating strings. They are often used to perform searches, replace substrings and validate string data. This article provides tips, tricks, resources and steps for going through intricate regular expressions.