Prevent SSH connection from timing out
In case you are plagued by SSH connections dying in the worst moments and the following waiting period, here might…
Verify all users eMail-Adress over GitLab Rails console
With the release of GitLab 13.2 I ran into a serious issue when logging in. The issues behaviour was, that…
Get random entries in MySQL and MariaDB
If you want to get a random value (or more than one) from a MariaDB or MySQL database, you can…
Keepalived with IPv4 and IPv6 in Dual-Stack
Keepalived with IPv4 and IPv6 in Dual-Stack Why I wanted to do this I set up IPv6 in my new…
Faster SMB transfer speed on macOS
Based on a previous blog, which has been rendered obsolete as I realised lately, here comes the new revision: To…
Certbot challenge behind reverse proxy
To fulfil the certbot HTTP-01 challenge for receiving a Let’s Encrypt certificate you need to have a document root that…
Change default editor on console
Ever needed to change something in a file, you only have a command line and the default editor is nano?…
How to use Sudo with Touch ID
If you have MacBook Pro with Touch Bar, you can improve your experience of the command line. You can enable…
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…
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…