# Hello, world. I'm

David Badal
Beltrán

I spend most of my time working with Linux, networks, and automation. I enjoy solving technical problems and learning something new with every project.

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My Projects

Click any panel to expand · auto-cycles every 3s

whoami ▾
david@SysAdmin:~$ whoami
name David Badal Beltrán
role SysAdmin · Network engineer
locationSpain 🇪🇸
github github.com/d4av3
cat skills.txt ▾
david@SysAdmin:~$ cat skills.txt
[sys] Linux · Windows Server · Active Directory
[net] TCP/IP · VLANs · DNS · DHCP · Wireshark
[code]Bash · PowerShell · Python · HTML/CSS/JS
[srv] Apache · Nginx · MySQL · VirtualBox
[vcs] Git · GitHub
uptime --education ▾
david@SysAdmin:~$ uptime --education
● ASIR 2nd Year 2024 → 2026
OS admin, networking, scripting, DBs, security
✓ ASIR 1st Year 2023 → 2024
Hardware, Linux basics, bash, basic networking
✓ Web Dev prev. experience
HTML, CSS, JS, PHP — portfolio & other frontends
echo $STATUS ▾
david@SysAdmin:~$ echo $STATUS
🟢 Open to Work & junior positions
availability part-time / FCT practices
preference sysadmin · networks · devops
cv |download PDF ↓

$ cat about.txt

Who am I?

I'm David, a SysAdmin (ASIR). Passionate about Linux, networking, automation and server administration.

I enjoy writing scripts that solve real problems and setting up servers from scratch. Every script on this site is something I actually wrote and used.

Education

2024–2026
ASIR – 2nd Year

Linux, Windows Server, networking, scripting, databases, security.

2023–2024
ASIR – 1st Year

OS installation, hardware, bash scripting, basic networking.

Currently learning

  • Linux server administration
  • Windows Server & Active Directory
  • Bash & PowerShell scripting
  • Networking (TCP/IP, VLANs, routing)
  • Docker & virtualisation
  • Cloud basics (AWS/Azure)

Languages

SpanishNative
EnglishA2

# skills --list

Click a coding language tag to jump to Scripts filtered by that language.

Operating Systems

Linux (Debian/Ubuntu) Windows Server CentOS

Scripting & Dev ↓ click to filter

Bash PowerShell Python JavaScript HTML/CSS

Networking

TCP/IP DNS / DHCP VLANs Cisco (basic) Wireshark

Services & Tools

Apache / Nginx Active Directory Git / GitHub VirtualBox MySQL

> ls ./scripts/

Click a card to expand and read the code.

filter:
Loading scripts…

@ ls ./projects/

Mini-projects and experiments.

Loading projects…

* ls ./blog/

Notes, guides and things I learn — mostly for other SysAdmins.

Loading posts…

! contact --help

Let's talk

Looking for internships, FCT practices, or part-time sysadmin/junior work. Don't hesitate to reach out.

⬇ Download CV