Some days ago I was working on a project which uses Postgres as DBMS. Postgres is great, but it has some significant differences if you are used to MySql. I learned one of them the hard way. While doing a
OpenSSH ssh-dsa and ssh-rsa
OpenSSH 8.8 is deprecating ssh-rsa and ssh-dss as key types. In the SSH protocol, the "ssh-rsa" signature scheme uses the SHA-1 hash algorithm in conjunction with the RSA public key algorithm. It is now possible to perform
Nginx caching on Kubernetes
Nginx ingress is one of the best ingress you can use on your K8S cluster, by default it comes with a lot of features but caching is not enabled. Let's see how to set up a simple static
Static assets optimization for websites
I recently restyled my website (this one!) switching from Wordpress to GhostCMS and SvelteKit (which are great,but that's a story for another day). In the process I wanted to reach some good speed to please both the
Ansible forks/serial on a task level
If your inventory contains the same host multiple times (think dynamic inventories or something defined via Terraform) and then you run a playbook against that (eg. target: all) you'll end up trying to run the same tasks simultaneously
eBPF application monitoring on Kubernetes
Just a quick one, since I recently found out about Pixie which is a super interesting opensource project recently bought by NewRelic. It's an agent which you can install on your k8s cluster (or on your standard VM)
Backup Kubernetes volumes in AWS
When using Kops on AWS to deploy your Kubernetes cluster you'll find yourself with multiple elastic block storage volumes which are the PersistentVolumeClaim implementation on AWS. Snapshots are then a great way to provide backups, and especially so
DevPresto resources for developers
DevPresto is a fast online resource collection for developers. It features some tools (like markup formatting, sql formatting, md5 calculation) and will host a series of hand-picked guides and tutorials. It aims to be a useful website for everyday development