bash — 80×24
$ lars-meier.sh // IT toolbox
infrastructure · cloud · security · automation
$ ./tools --interactive // browser-side, nichts wird gesendet
subnet calculator
→ enter CIDR notation
base64 encode / decode
→ warte auf input
unix timestamp
→ unix ↔ human readable
jwt decoder
→ header + payload (client-side only)
cidr overlap check
→ prüft ob zwei CIDRs überlappen
cron expression parser
→ erklärt cron ausdrücke
hash generator
→ client-side, nothing sent
password generator
→ generate a password
url encode / decode
→ warte auf input
json formatter / validator
→ validates + prettifies json
$ whois lars
Lars Meier
IT Consultant · Schaffhausen, CH
org:Construct202 GmbH (MSP)
focus:infrastructure · cloud · security

status:available for consulting
AzureIntuneFortiGate DockerPythonNinjaOne M365VMwareVeeam
$ find . -name "*.secret" 2>/dev/null
./secrets/ — 8 files foundhint: there might be more
rm: cannot remove '/': Permission denied nice try though. this command kills systems and careers in equal measure.
✓ sandwich created type: club bread: sourdough extras: extra cheese Okay. — xkcd #149
HTTP/1.1 418 I'm a teapot Content-Type: application/coffee+json X-Brew-Method: chemex X-Caffeine-Level: critical {"status":"brewing","eta":"4min","note":"RFC 2324 is not a joke"}
calculating...
lars:x:1000:1000:Lars Meier,,,:/home/lars:/bin/zsh coffee_dependency:x:9999:9999:Required process,,,:/dev/null:/bin/sh 2 entries found.
PING motivation.local: 56 data bytes 64 bytes from motivation.local: icmp_seq=0 ttl=64 time=0.3ms // monday morning 64 bytes from motivation.local: icmp_seq=1 ttl=64 time=142ms // tuesday after standup 64 bytes from motivation.local: icmp_seq=2 ttl=64 time=891ms // wednesday Request timeout for icmp_seq 3 // thursday No route to host // friday, 4pm 64 bytes from motivation.local: time=0.1ms // friday, 5pm
a3f9c12 fix: finally found the bug (it was a semicolon) b7e2d88 refactor: make it look like i knew what i was doing c1a4f55 hotfix: production is on fire, deploying blindly d0e9b32 docs: add comment explaining the comment e8c7a11 initial commit: works on my machine └─ famous last words
NetHack 3.6.7 — Dungeon of Doom, level 1
  ┌──────────────────────────┐
  │......................@...│
  │.......................d..│
  │..........>..............│
  └──────────────────────────┘
$ You encounter a segfault! The segfault hits! You die... --More-- Do you want your possessions identified? [ynq] y a - a +5 coffee mug (being worn) b - the Amulet of Jira Tickets (cursed)
// there might be a konami code somewhere. just saying.
online --:-- SH · UTC+?
⬆⬆⬇⬇⬅➡⬅➡🅱🅰
ACCESS GRANTED
you found the konami code.
there is no reward. only respect.
PRO TIP: try $ matrix in the ??? tab for a better easter egg