The systems department for your company or web agency
A few days ago I had the need to access a VM disk to perform a file synchronization for a migration from a physical server to a virtual machine managed with Bhyve on FreeBSD. The disk configuration I use for the Bhyve hypervisor is based on ZFS rather than raw images which allows creating a … Read more
In the administration of any system, a very important part is having a monitoring and alerting system for any relevant incident. There are currently multiple open source systems created and designed for this purpose, some simple and others very complex with different approaches and purposes. Monitoring homogeneous servers is not the same as monitoring routers … Read more
In a previous article I commented on the method for performing efficient backups using ZFS + compression + snapshots + rsync on FreeBSD. In this post I leave you a simplified version of one of the scripts I use to perform backups. With some modifications you can easily adapt it to your infrastructure obtaining the … Read more
What is the importance of a backup system? Everything. No infallible system exists, the datacenter provider can fail (do you remember the OVH fire?), the hardware of your dedicated server, a disastrous data manipulation by a user in the back office, an out-of-control synchronization process, a failed Magento update… so many and so many possible … Read more
When I started in the world of systems administration more than two decades ago, my path quickly oriented toward Linux/GNU and specifically Debian. It was my simplest approach to the philosophy and concepts behind Unix systems. Over time I discovered systems like OpenBSD for its security, NetBSD and FreeBSD (and some of its notable derivatives … Read more