AVX loads and stores are atomic See AVX loads and stores are atomic and https://stackoverflow. Read more...

DNS Privacy and Security on Fedora This is a short guide how to setup DNS Privacy on Fedora Workstation. Read more...

Hardening SSH against password brute-force attacks If your SSH server is publicly accessible over the internet it will be subjected to password brute-force attacks. Read more...

Configure Postfix to use external SMTP server as relay This is a short guide how to setup Postfix to deliver mail using an external SMTP server as relay host. Read more...