Tag: "SysAdmin"

Wireguard Setup: How to setup Wireguard server and client the easy way.

Linux - Security Administration: Today there are numerous attack strategies and patterns: ramsonware,DDoS, rootkits, crypto...

Email Server - Postfix, Dovecot and Roundcube

Apache Web Server

Linux - Disk Space Management with Quotas: Quotas are necessary as in a multi-user system limits allow to distribute space to each us...

Linux - System Startup and Shutdown: In this post I'll explain with detail how Unix uses *initd* or *systemd* to manage the boo...

Linux - Backup: A backup or backup is the safe copy of a digital file, a set of files, or all of the data ...