To install the virtualbox extension pack on a headless machine, I needed to run the virtualbox gui app as root via sudo. This did not pass authentication through and X11 failed. Solution was found at the link below. X11 connection… Read More
Getting Virtualbox shared folders to automount in linux guests
Some of these steps are easily forgotten, leading to no shared folders automatically mounting. The process to debug this can be a hassle, and there are far too many workaround mount methods on the net, including manual fstab entries etc,… Read More
Windows 10 won’t boot up in virtualbox after major update
Windows 10 installed a major update automatically. In this case it was the anniversary update from a year ago. After updating, it got stuck during boot on a spinning circle. Very simple fix – shutdown all VMs, then update virtual… Read More
Gracefully shutting down another user’s Virtualbox VMs
I was having issues shutting down another user’s Virtualbox virtual machines. Specifically, my virtual machines run as a particular user, but my UPS software’s shutdown script runs as root. Root cannot find any VMs registered to it. I combined instructions… Read More
Setting up an open VPN server on Digital Ocean
This script is excellent. Note that it can be passed arguments to allow operation from non-standard ports. This is useful because I have had issues connecting out from home because of problems with my OVPN client receiving packets from the home… Read More
Setting up a simple dns server with dnsmasq
I am setting up a VPN server and need to be able to route dns traffic through the VPN to pick up appropriate geo specific IPs from DNS servers near the VPN endpoint. However, I need to fudge a particular local… Read More
Installing memcached in WHM
My notes here for future because it took 2 hours to get working on WHM/Centos while vanilla Ubuntu too 2 minutes…. Update: There is now a much easier way. Since writing this article, Memcached has become available in WHM via… Read More
Installing VMWare tools on Kali Linux
The linux version (uname -r) only has 2 digits instead of 3. Solution to fix the init.d file is here: http://blog.spiderlabs.com/2013/09/installing-vmware-tools-on-kali-linux-and-some-debugging-basics.html
Upgrading Virtualbox Extension packs from the command line
I recommend saving the state or shutting down any virtual machines that are running. Next, find out the name of any existing extension packs: Extension Packs: 1Pack no. 0: Oracle VM VirtualBox Extension PackVersion: 4.3.6Revision: 91406Edition:Description: USB 2.0 Host Controller,… Read More
Adding CPU cores to existing XP virtual machine
I used to run 32bit Mint on a dual core Pentium with 4GB of RAM that I threw together for $500 in 2009. Because the OS was 32bit and the CPU didn’t have VT-X, I could never have multiple cores… Read More