November 24, 2017

SSH tunneling example

Example of using SSH tunneling in restricted environment. In this case Server1 is a Linux box (Ubuntu 16.04) located in DMZ and it has only SSH (default tcp 22) in allowed. Using SSH tunnels this Linux box is going to be updated using apt tool.

November 12, 2017

ZFS - Export snapshot to encrypted file

This post shows some basic steps how to install ZFS on Ubuntu 16.04, create ZFS pool and file system. It also will cover snapshot creation and export it to encrypted file.

# Install ZFS tools.
apt install zfsutils-linux

# Create ZFS pool called Pool1 from single disk (/dev/xvdb)
zpool create Pool1 /dev/xvdb -f