Set up SPF and DKIM for Postfix on Ubuntu
In this post I want to show how to set up the SPF (Sender Policy Framework) and DomainKeys Identified Mail (DKIM)…
Enable TLS for Postfix on Ubuntu
Regarding the Postfix documentation, TLS support is turned off by default, so you can start using Postfix as soon as…
Install Ubuntu as Hyper-V Generation 2 Virtual Machine
In order to install Ubuntu as a Generation 2 Hyper-V virtual machine, you have to switch the Secure Boot Template…
Set up a SFTP Chroot Jail on Ubuntu
If you want to lock user’s they want to upload, download and edit files from a web root directory, so…
Set up Fail2ban on Ubuntu 20.04.3 LTS
In this post I want to show how to install and use Fail2Ban on Ubuntu. Fail2Ban is an intrusion prevention…
Set up ModSecurity (Libmodsecurity | ModSecurity v3 project) for Apache on Ubuntu
In this post I will install and configure Libmodsecurity which is a complete rewrite of the ModSecurity platform (aka ModSecurity…
Set up MediaWiki on Ubuntu 20.04.3 LTS
In this post I want to go through the separate steps to set up the open source software MediaWiki on…
Set up Apache Superset on Ubuntu using Docker Compose
In this post I will set up an Ubuntu 20.04.1 LTS VM in order to install Docker and Compose to…
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…
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…
