If you have MacBook Pro with Touch Bar, you can improve your experience of the command line. You can enable Touch ID to authenticate sudo. […]
Boost the speed of you macOS SMB mount
Turn of package signing on your Mac. It helps the transfer speed of your SMB shares connected to a Mac a lot. Edit the file […]
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 it is possible to replicate […]
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, I am sorry, but Google […]
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 of this is changing the […]
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, please make sure, you actually […]
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 simply send your Rottweiler after […]
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 an Apache config, here is […]
Get color into vi
I just tried to figure out, how to get syntax highlighting into my vi editor, as it working on the other machine as well. It […]
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 what it SHOULD be doing. […]