How to configure PA FW as NTP proxy There is a nice functionality on PA firewalls called DNS Proxy. It basically allows PA FW to act as an DNS proxy for hosts that will use its interface address for DNS queries. The way it works is that you configure it in the GUI by configuring primary and secondary
Palo Alto FW loopback interface routing Recently I started deploying loopbacks on all of my network devices that are somehow participating in routing and I hit a momentary roadblock when I realised that none of my loopbacks configured on firewalls are being advertised via iBGP. The reason for that is because all loopback interfaces are categorised
How to bind mouse keys to keyboard keys in Linux (Mint) Coming from macOS where I used swipes on my Magic Mouse, one of the things I missed when I started using Linux extensively, was the fact that I had to use either my keyboard or click on Workspaces in my panel to switch to another workspace. I'm using a simple
How to change space between icons in Cinnamon DE Grouped window list One thing that I really want to change is the space between icons in Cinnamon DE Grouped window list. This is basically the space between pinned icons that you set or if you're working with default install, it will only have a few of them there. This is actually defined
Cloning VMs in ESXi - without a vCenter server Intro One of the issues you may encounter with ESXi is the fact that it doesn't offer an option to natively clone VMs. Of course, you can just copy necessary files and then just register the VM in ESXi, but that will still use file names that are in the
Featured Starting a homelab - Part 05 - Virtualise Your Firewall Video of the whole process is available on Youtube: Today we will continue our journey with building a homelab. Unfortunately, I was too busy in the past year and there's been a lot of changes to my own homelab environment as well. One of the things that has changed is
How to change Login Screen resolution in Linux Mint I've been having fun with customising my Linux Mint installation, but one thing that bugged me was the fact that the login resolution wasn't the same as my VM resolution - similar issue that I had with Debian. Since Debian uses Gnome as its default DE, I couldn't apply the
How to change resolution of Debian-based OS GDM3 Login Screen I'm transitioning most of my VMs away from Windows (where possible) to Debian and one of the things that I noticed was that the default resolution of the GDM3 login screen was different from the resolution of the VM once you logged in. Mind you, this is a purely cosmetic
How to install Apache Guacamole with Docker and MySQL I've been using jwetzell/guacamole docker image for quite some time now and mostly been happy with it. But I would like to start using the official Guac image as I prefer to use official images in case development of a custom image gets dropped in the future. The reason
How to manually upgrade Nextcloud For some reason, my Nextcloud instance doesn't like to be upgraded via integrated updater available in WebUI - I assume it has something to do with running NC behind a reverse proxy, as the error I'm getting is saying that it can't access the site. I may have some variable
Force Apt-Get to IPv4 or IPv6 on Ubuntu or Debian Recently I transitioned my home network to dual-stack IPv4 / IPv6 and I noticed a strange issue on a number of my Debian-running servers: some of the apt updates were unable to complete. The issue seems to be lying in some of my (official) Debian sources being un-accessible via IPv6. To
Anatomy of a docker-compose file Docker is an excellent platform that uses OS-level virtualization to provide software packages that we call containers. Containers are basically everything you need to run an app - whether it's a database, web server, proxy, whatever's packaged in it, an app will have access to it. Docker can run on
Install and configure Nextcloud in an LXC - Part 2 In this article we will do some fine tuning of our Nextcloud instance. First things first. We will work with the following setup: Let's check our DNS entries: host nc.networktechguy.com nc.networktechguy.com has address 10.5.0.70 host nc-01.networktechguy.com nc-01.networktechguy.com has address
Install and configure Nextcloud in an LXC - Part 1 In this article we will explain how to install Nextcloud in an LXC (Linux Containers). Instead of deploying new VMs for every project, we can easily launch an LXC and gain almost all benefits of running a project in an isolated environment. Main reason why we decided not to run
homelab Featured Starting a homelab - Part 04 - First Linux Server In this blog post we will go through the Debian Linux installation and basic setup process. We will use this server later on for different services.
homelab Featured Starting a homelab - Part 03 - Creating your first VM Let's start with our new task - creating our first VM and setting it up for future use.
homelab Featured Starting a homelab - Part 02 - Installing ESXi First step in starting your own homelab is to install the hypervisor on your computer. In this post I will cover all the steps necessary to install ESXi on your computer
homelab Featured Starting a homelab - Part 01 So, you've decided to start a homelab. Good for you! :) But in all seriousness, if your plan is to learn about new IT technologies, starting a homelab is an excellent idea.
dns How to stop & disable stub DNS resolver If you're having issues with a stub DNS resolver, we explain how to deal with this issue on Linux Ubuntu systems
cisco Cisco ASDM fails to start on Windows 10 In this article we explain how to resolve a common issue with Windows 10 OS when starting Cisco ASDM
cisco Configure route-based VPN tunnel on Cisco ASA In this article we explain how to configure a basic route-based site-2-site VPN tunnel
cisco Upgrading from Cisco IOS XE Gibraltar in Install mode This procedure explains how to upgrade Cisco IOS XE devices that currently run Gibraltar in install mode to a higher version.
firepower How to run setup wizard on Firepower MC CLI After the successful installation of FMC 6.4.0, an initial setup wizard does not start. This article explains how to start it manually.
