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Recently, I was gifted an older monitor intended to be used as a mobile second monitor for a notebook or tablet.

Especially for new users understanding how NAT and the traffic processing works under the hood with PAN-OS might take some time.

I like to play around with the open source network emulator GNS3 and I wanted to share some advice about how to improve the GNS3 cloud node.

I have a bunch of ebooks, mostly tech, for example purchased from Humble Bundle and from different authors who distribute their work DRM free.

It has been over a year since I switched from Windows to macOS.

I was looking for a way to easily upload a file via CLI to a Nextcloud folder that was shared to me, but where I don’t have a user account.

Some time ago I wrote about how I switched from Windows to macOS.

https://tryhackme.com/room/dodge The Dodge room was released shortly after Advent of Cyber, I still had my THM streak from then, so I stumbled upon this room. 💭 Thoughts after doing the room It took me a little bit too long to get everything relevant from…

https://tryhackme.com/room/tomghost 💭 Thoughts after doing the room I had to look up gpg commands, because I rarely use them, but all in all this room was pretty straightforward from nmap, to metasploit to sudo privileges. nmap First I do a rough scan with

Background info Oracle Cloud (OCI) offers a free tier for cloud resources, which I’m using for some time now.

Background info I have videos from a few years ago where I used a video editing software to cut and export videos I recorded with a GoPro.

Background info Recently I started using a Sophos VM Firewall at home for my own traffic.

U-Turn NAT is a method for accessing an internal server by making it possible to connect to its external IP address, which is also part of the internal network.

I’m currently doing a Proxmox lab with an old PC of mine, which has a RJ45 NIC on board and a 2-port PCIe card.

I recently switched to macOS because I wanted to move away from Windows because … reasons.

I’m currently in the beginning steps of learning Terraform and Ansible.

I really like the virtual network emulation software GNS3.

https://tryhackme.com/room/bypassdisablefunctions 💭 Thoughts after doing the room This was a really interesting room.

https://tryhackme.com/room/toolsrus 💭 Thoughts after doing the room It was funny that while doing the room a port opened.

https://tryhackme.com/room/res 💭 Thoughts after doing the room I had fun with this one.

I recently did an experiment where I used Linux as my daily driver for a few month, because I wanted to get away from Windows as an operating system.

I usually don’t use VirtualBox for setting up VMs, but I recently setup a few on an Ubuntu based physical machine, and VirtualBox seemed like the easiest way to get them running fast.

https://tryhackme.com/room/overpass 💭 Thoughts after doing the room Honestly I think this one shouldn’t be in the easy category.

https://tryhackme.com/room/netsecchallenge 💭 Thoughts after doing the room I enjoyed this lab.

https://tryhackme.com/room/neighbour 💭 Thoughts after doing the room I usually don’t like to say this, but compared to the other rooms I did in the easy category this one was a little bit too easy and short.

https://tryhackme.com/room/lazyadmin 💭 Thoughts after doing the room I didn’t explore all attack vectors in this room.

https://tryhackme.com/room/heartbleed 💭 Thoughts after doing the room It’s just a one step room, but I think hearbleed is really interesting.

https://tryhackme.com/room/cowboyhacker 💭 Thoughts after doing the room This room was a little bit odd because I didn’t really get the L (O)MEGALUL RE.

https://tryhackme.com/room/basicpentestingjt 💭 Thoughts after doing the room Usally I’m not really enthusiastic about background stories or “lore” in rooms, but this one was different because it was a little bit more realistic: People leaving notes that a…

I did some TryHackMe CTF “rooms” a few month ago and had a lot of fun with it.

https://tryhackme.com/room/agentsudoctf 💭 Thoughts after doing the room It was a fun room.

https://tryhackme.com/room/rrootme 💭 Thoughts after doing the room I liked that the target webpage was in another language, makes it more realistic imo.

Some examples for SilverBullet queries: Pages 📃 Same page query Frontmatter syntax --- url: https://silverbullet.md/ repo: https://github.com/silverbulletmd/silverbullet info: open source, web based PKM --- Query syntax same page as frontmatter page where

Other topics I’m writing about, that are not blog posts TryHackMe Writeups TryHackMe has capture the flag rooms, where you can try to hack a box.

Useful Official Query Docs Update query Windows: Alt + q Update query Mac: Option + q Query options where order by limit select render Query grammar Operators = equals !

📺 My video about SilverBullet 🛤️ PKM journey I already explored a lot of PKM tools.

I’ve been using computers and the internet for quite some time and in recent years cloud and SaaS (Software as a Service) products got very popular.

I’ve been using the Windows Sandbox for quite some time.

My favorite knowledge management tools is logseq.

GNS3 is a really great project for emulating networking devices.

So this is where it starts.