Why is varchar(255) not varchar(255)?
Working on a clients question, I stumbled over an issue with replication and mixed character sets. I was asked, wether…
Author: Cédric R. Bruderer
DevOps and Linux Engineer with an engineering focus on Ansible, CI/CD, Linux, containers, and monitoring. Hands-on experience building and operating stable platforms, automating repeatable changes, and observability (monitoring, logging). Strong practical grounding through personal homelab projects and active involvement in organization and operations.
Multiple web sites behind one domain
Edit the site config of the Apache web server. You can find them under /etc/apache2/sites-available/ (If they are not there,…
How changing the table definition can break your replication
MySQL replication has become quite sturdy over the years, but there are some things it still does not like. One…
How to fix Apple Mail unable to send mail
I just had the problem, that I could not send mails over one specific SMTP-Server. I could receive though. First,…
Apache, .htaccess and how to block spammers
I’m sure every administrator of a web server has some experience with unwanted visitors. In the real world, you could…
Link multiple ServerAlias to one DocumentRoot
For all those who wondered, if there is a simple way to link multiple sites to one document root in…
Get color into vi
I just tried to figure out, how to get syntax highlighting into my vi editor, as it working on the…
Why are bug reports important?
First of all, what is a “bug”? A bug is a difference in what a product IS doing compared to…
“Working at home sucks” – Peter, Firefighter
“Working at home sucks” – Peter, Firefighter
Raspberry Pis are awesome!
Why would someone do this? I decided to try something with them, when I had two lying around on my…