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…
Category: Software
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…
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,…