Replace broken USB-Stick in Ubiquiti EdgeMax routers

In this blog post I'm going to explain how to replace a broken USB-stick in Ubiquiti EdgeMax Routers or in this case the Ubiquiti EdgeMax EdgeRouter-POE. This guide can also be used to recover from a failed firmware update.

First thing you have to do is to get a ...

Hide process list from users

If you have multiple users on a single machine every user can normally see all running processes, their own, other users processes and even system processes. Sometimes people append sensitive data like passwords to a command, and since you can see the process list you'll also get that password ...

dpkg-divert

Just a short note for myself...

To move a dpkg-managed file out of the way:

dpkg-divert --rename --divert /usr/share/initramfs-tools/dropbear.original /usr/share/initramfs-tools/scripts/init-premount/dropbear

Copy and edit original.

cp /usr/share/initramfs-tools/dropbear.original /usr/share/initramfs-tools/scripts/init-premount/dropbear
ed /usr/share/initramfs-tools/scripts ...

Power over Ethernet on Raspberry Pi

I have a few devices that support (passive) power-over-ethernet, and I quite like that as I don't need a power supply for every single device filling up my power strip and I even can mount devices further away where there is no power available.

The Raspberry Pi board normally ...

DIY IP-KVM

Note: This is a slightly updated version of the old blogpost (re-written on 2016/01/25).

I really like IP-KVMs. They are great devices that allow you to directly connect to and control your computer from basically anywhere in the world, even if your system crashed or your network card ...