NordVPN App snitches personal data

According to Mike Kuketz security blog the android version of the NordVPN app transmits personal data to third parties. If you want to avoid calling it home use the openvpn app from f-droid and use the ovpn-files provided by NordVPN. There is also a tutorial on how to use the ovpn files on NordVPNs website. […]

Uncomplicated Firewall ufw

UFW is a comfortable yet powerful interface for ip-tables. It is, thanks to ufw, now very easy to configure and monitor your firewall. Install UFW Uncomplicated Firewall should be installed by default, but if it is not installed on your system, you can install the package by typing: Check UFW Status Once the installation is […]

Upgrading VMWare ESXi 6.7

Upgrading your VMWare ESXi instance is quite easy if you know how 😉 Enable SSH in your webinterface and login via SSH to the esx-shell. Download the patch via wget from and enter following commands: Enable maintenance mode install the update from your datastore: Notice that the command is not “upgrade” which requieres to […]