Prevent packages from being updated under Ubuntu / Debian

You may know this problem. You have a lot of packages installed on your Ubuntu / Debian system and (for whatever reason) you want that a specific packages isn't getting updated whenever you do a system upgrade. This short article is going to show you how to prevent packages from being updated. APT or Aptitude?... Continue Reading →


Proxy over SSH on Windows, Mac or Linux

You can do a lot of things with SSH besides working securely remote on machines. I've already covered at another article how to tunnel (port forwarding) through SSH. This time we're looking at a way to use SSH as a Proxy Server. SSH: A tool not only to do remote work SSH (Secure Shell) is... Continue Reading →

My new helper Ansible

Image source: For some weeks ago, I decided to use Ansible as my central configuration tool of choice. The following text should give you a short intro in how to deploy files with Ansible. What exactly is Ansible? Now, what exactly is Ansible? Ansible is an auto configuration tool, which helps you to keep... Continue Reading →

OpenVPN Error: Linux route add command failed

Image source:¬† Everbody knows OpenVPN. A powerful and easy to configure VPN client, which is cross-platform available for BSD, Linux, MAC and Windows. A lot of my Linux boxes are OpenVPN clients, starting with Virtual Machines as well as physical boxes. If I use my OpenVPN server as a¬†default gateway, some machines having trouble to... Continue Reading →

How to tunnel with SSH (Port forwarding)

Tunneling with SSH is a real good combo to encrypt every network communication you want. You are also be able to access other network services which are only availble to the destination which you trying to ssh to. As you can see, these two reasons are just two of a bunch more why tunneling with... Continue Reading →

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