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Dev.to
Dev.to
5/8/2026
I had never asked Google what chmod meant before this week

I had never asked Google what chmod meant before this week

Short summary

A self-taught developer debugs silent systemd service failures while shipping bots under a 60-day deadline. The fix: ensure network-online.target ordering in service unit files. A candid narrative on learning infrastructure from first principles under constraint.

  • Silent systemd failures resolved by adding After=network-online.target and Wants=network-online.target
  • Author learning infrastructure/devops basics through real debugging (47 attempts on one bug)
  • Narrative framed around shipping under time pressure (27 bots in 60 days before surgery)

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