Control Raspberry Pi monitor with Home Assistant automation
Settings that I used to control the power status of a monitor that is connected to a Raspberry Pi with Home Assistant
b.27p.de
Recent content on b.27p.de
Latest posts
Deep dive on a simple destination NAT policy with PAN-OS
Understanding network address translation with the PAN-OS flow log feature
⏩ QuickTip: GNS3 lab: Add 2nd interface and bridge for dedicated lab network using the Cloud node
Using the cloud node with a second interface and a bridge for increased speed and network segmentation
Optimize PNG images in ebooks
Sometimes PNG images in ebooks aren't optimized, calibre can help with that
One year later: Do I regret switching from Windows to macOS?
looking back on the switch from Windows to macOS
⏩ QuickTip: Upload file to Nextcloud share with curl
For a quick upload via command line, with no user account required
⏩ QuickTip: Use @ sign with German keyboard and macOS when accessing Linux
Change the mode to type an at sign
TryHackMe Writeup: Dodge
Trying to find the ftp server for further clues
TryHackMe Writeup: tomghost
Vulnerable tomcat and some privilege escalation
Use Ansible to update OCI security list with dynamic IP address
Finding a solution to dynamically update an IP address for Oracle Cloud
Hardware Encoding with Apple silicon using videotoolbox (H.265)
Trying to find out the right quality settings for hevc_videotoolbox
Finding out why 'Something went wrong' with ChatGPT
Trying to find out why I get this ChatGPT error message
Deep diving U-Turn NAT on PAN-OS
My experiment to understand NAT loopback on a deeper level
⏩ QuickTip: Rename Proxmox interfaces
Change the Proxmox interface names via CLI
macOS Shortcuts are amazing
I tried macOS Shortcuts and I'm really excited
Learning Terraform and Ansible by setting up a GNS3 server
First steps using Terraform and Ansible
Proxy web traffic through your GNS host with socat
My new favorite way to reach a http admin interface in GNS3
TryHackMe Writeup: Bypass Disable Functions
Practice bypassing disabled dangerous features that run operating system commands or start processes.
TryHackMe Writeup: ToolsRus
Practise using tools such as dirbuster, hydra, nmap, nikto and metasploit
TryHackMe Writeup: Res
Hack into a vulnerable database server with an in-memory data-structure in this semi-guided challenge!
Goodbye Windows
Saying goodbye to Windows
⏩ QuickTip: VirtualBox Kali Linux 4K not working
I couldn't full screen my Kali Linux VM and there was an easy solution to solve it
TryHackMe Writeup: Overpass
What happens when some broke CompSci students make a password manager?
TryHackMe Writeup: Net Sec Challenge
Practice the skills you have learned in the Network Security module.
TryHackMe Writeup: Neighbour
Check out our new cloud service, Authentication Anywhere. Can you find other user's secrets?
TryHackMe Writeup: LazyAdmin
Easy linux machine to practice your skills
TryHackMe Writeup: Heartbleed
SSL issues are still lurking in the wild. Can you exploit this web servers OpenSSL?
TryHackMe Writeup: Bounty Hacker
You talked a big game about being the most elite hacker in the solar system. Prove it and claim your right to the status of Elite Bounty Hacker!
TryHackMe Writeup: Basic Pentesting
This is a machine that allows you to practise web app hacking and privilege escalation
New Category: TryHackMe Writeups
I'm doing some TryHackMe writeups
TryHackMe Writeup: Agent Sudo
You found a secret server located under the deep sea. Your task is to hack inside the server and reveal the truth.
TryHackMe Writeup: RootMe
A ctf for beginners, can you root me?
⏩ QuickTip: Silverbullet Queries: Examples
Silverbullet query examples
⏩ QuickTip: Silverbullet Queries
Silverbullet query syntax
Writings
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. If I find the time I’m doing writeups here. Quick Tips Sometimes I just want to quickly write down something I learned without making it a long blog post that is listed on the home page. This is where I put this content.
Silverbullet - Self hosted PKM tool
Silverbullet is a self hosted, web based personal knowledge management tool: I made a video on how you can use it
Offline First - Reasons why you should avoid SaaS
Using SaaS might be easy, but will you still benefit long term?
Have you tried Windows Sandbox?
Do you know the Windows Sandbox?
My logseq custom CSS examples
some examples I use for logseq custom CSS
Make your own Kali Linux Docker image for GNS3
How to add a custom docker image to GNS3
My first static blogpost
Quick introduction and reasons why I launched this site
Imprint - Privacy
This is a private blog. You can see my name and email address via the following link: Get name and email If you need my residential address for legal purposes, please let me know via e-mail, I’ll get in touch with you to provide the information as soon as possible. (If you want to get in touch because of the blog content, please just say hello on Mastodon ) There are no data input forms on…