Upgrade PostgreSQL from version 9 to 10 on Ubuntu
Determine actual version$ sudo -u postgres psql Exit withpostgres=# q First install new version To install the new version, I…
PostgreSQL, Ubuntu
Set up a Central Log Server with Rsyslog on Ubuntu
In another post, I described how to set up a central log server with the syslog-ng daemon on FreeBSD, this…
Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step
Because of changing my hosting provider for my virtual machine and domains, I had to setup my postfix mailserver on…