
:mag: About me
At the moment i work as a Windows and Linux administrator.
I worked as a Teamleader and Output manager in the section "Mainframe & Output management" for a big insurance company in germany.
I like z/OS and old Mainframe systems.
I like to write code in many different languages.
:desktop_computer: My Home Lab
I living in the HQ datacenter at server room 127.0.0.1...
and operate various server, services and technologys from here.
- 1x Zyxel modem (Uplink)
- 1x OpnSense as Firewall/Router (Vlan routing, DHCP relay, Suricata, Firewall)
- 1x Cisco SG-200 26 port switch (Vlan switching)
- 2x Samba as PDC/BDC server (PDC/BDC, LDAPS, Bind9 ROOT DNS, DHCP, Print, File, Central syslog)
- 2x PiHole server as secondary HA DNS server and HA Ads block server
- 1x Squid server as cache proxy server
- 1x Radius server
- 1x PXE server for automatic Linux OS installations
- 1x NextCloud server
- 1x W-Lan AP(Freifunk)
- 2x Mainframe systems emulated with hercules (OS/VS2 MVS 3.8j Tur(n)key Level 4/5 and z/OS v2.1)
:books: Projects
Linux projects
- Automate and hardening Rocky Linux OS v8/9 installations with CIS/CCE rules
📈 Statistics



:hourglass_flowing_sand: This week I spent my time on
:computer: Contributing
Contributions are what make the open source community such an amazing place to be learn, inspire, and create.
Any contributions you make are greatly appreciated.
- Fork the Project (
git clone https://github.com/slange-dev/....git OR git clone git://github.com/slange-dev/...git)
- Create your Feature or Bugfix Branch (
git checkout -b feature/AmazingFeatureName OR bugfix/AmazingBugFixName)
- Commit your Changes (
git commit -m 'Add some AmazingFeature')
- Push to the Branch (
git push origin feature/AmazingFeature)
- Open a Pull Request

:books: HowTo learn Git & GitHub
Git Documentation
GitHub Flow
- GitHub Flow: GitHub Flow (Understanding the GitHubFlow)
Git & Branching Learning Apps
- Learn Git Branching: Learn Git Branching (Learn git branching with challenges in a browser)
- Visualizing Git: Visualizing Git (Learn git with challenges in a browser)
- Git-It: Git-It (Desktop App for learning Git and GitHub)
Courses & Videos
Codecademy:
FreeCodeCamp:
Udacity:
Atlassian:
Useful resources & references:
:hearts: Support the projects
If this project was useful to you in some form, I would be glad to have your support.
It will help to keep the project alive and to have more time to work on Open Source.
The sinplest form of support is to give a :star: to this repo.
You can also contribute with
:pencil2: Author
:link: Odysee
:copyright: Created
Created in 2021 by slange-dev
