Nowadays every major website operates over HTTPS, aka have that little padlock next to the URL in our browsers. It means that we can establish…

With the help of NFS we can share a filesystem via the network. On the client side we can mount the NFS filesystem just like…

With the implementation of LVM we can reallocate storage space and extend our storage volumes really easily. In the example below I’d like to show…

In a previous post I wrote about how can we accomplish NAT with Cisco devices. This time let’s examine how can we implement the same…

After finishing the MPLS configuration in this post, I thought to take a closer look at the MPLS network, especially the labels: with the help…

In this post I’m going to describe succinctly how to configure your own VPN on a remote VPS with Wireguard. Of course you can host…

I’ve been learning to configure MPLS and VRFs recently. I’m using GNS3 network emulator with real Cisco IOS images since other simulators such as Packet…

Recently I’ve made some Packet Tracer practices, I’m going to share the commands I’ve issued on Cisco routers, and describe the configuration of different type…

A few posts ago I showed how to measure power consumption with Shelly’s IoT device. In this post I’m going to share my measurement results…

I’d like to share this picture, I shot this in a village near Budapest. It represents the Hungarian ‘jólvanazúgy (TM)’ philosophy perfectly (if you don’t…

I have made some test measurements with a network analyzer, I would like to share my results and experiences in time dimensions measurements. Instead of…

In the following I’m going to share one of my Cisco Packet Tracer practices. To memorize and practice some basic IOS commands I’ve created the…

In this post I would like to show you how to set up the firewall of your VPS and restrict its SSH access from zero.

In the following post I would like to introduce you Shelly’s IoT device called Shelly PlugS. With the help of this device we can turn…