Security

Secure initial setup of the ODROID GO Advance

In this post I'll describe how to secure and tweak the default installation of the ODROID GO Advance. This guide may also work on other Linux handhelds with some modifications....

NAT "Traversal" Using Wireguard

If you've ever tried to host stuff at your home that should be reachable from the internet, you might have stumbled upon the hurdle of dynamic IPs, NAT or having a useless plastic router. In this post I'll show how to set up a cloud jumphost to eliminate the need for DynDNS and/or port forwardings....

How to securely set up an encrypted Debian server (IMHO)

In this post I describe what I do to securely set up dedicated servers, from zero to serving stuff. Additionally I'll try to describe basic security measures that I think are a good base for a secure deployment....

How to change/remove the Ubuntu Server login banner

If you've ever used a freshly installed Ubuntu Server (since 14.x), you definetly noticed the login banner that shows information scraped from the web. This might be Ubuntu news, updates or some other stuff....