Kali Linux Update Fails – Key Outdated

If like me you have Kali Linux installations you may have come across a slight problem recently whereby the public key had expired resulting in an error when attempting to update. You likely received something similar to the example below when attempting an apt update – root@kali:/# apt update Hit:1 https://apt.dockerproject.org/repo debian-stretch InRelease Get:2 http://ftp.hands.com/kali … Read more

NMAP Docker Container

I often find myself needing to leverage the incredibly useful tool Nmap which is used for network/port scanning and so much more. Usually I will find a server that I can justify installing it on and just leave it there for when required or build and leave a virtual machine running Kali Linux. I figured it … Read more

Linux Get CPU Information

This post is one of those ‘reminder’ types which is to help me remember the various commands able to retrieve the underlying CPU information on a Linux command line. In this instance the commands were executed on the latest version of Ubuntu server, purely because I happen to have a virtual machine with it installed running … Read more

Trend Micro Smart Protection Server SSL TLS Certificate Replacement

If you run Trend Micro business products you should really consider running a Smart Protection Server (SPS) appliance in your datacenter. In a previous post I stepped through the process of deploying an SPS appliance in a VMware environment. It is possible to deploy to Hyper-V as well so don’t worry if you aren’t running … Read more

Kali Linux Open-VM-Tools Autostart

I have a Kali Linux virtual machine with the open-vm-tools package installed. Unfortunately the service did not setup to autostart on boot. This of course means I don’t benefit from the enhancements and functionality provided by the tools.   Check Service Status To check whether the service is running we can leverage the service command … Read more

Kali Linux Apt Repositories Missing

I went to update a Kali Linux virtual machine recently and found it wasn’t pulling back anything when running the apt-get update command. This was a new deployment of Kali so I figured the sources.list file must be missing the necessary repositories. It’s important to note that my examples are executed while running as root, … Read more

Install VMware Tools on Linux

A colleague asked me recently how to install VMware tools on a Linux virtual machine. Remember you should always consult the vendors documentation to confirm their preferred method for providing VMware tools type functionality. As well as the official VMware tools package you can also install the ‘Open VM Tools’ package. Again – consult the documentation … Read more