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OopsIT uses an AI-assisted publishing workflow: drafts are generated with large language models and reviewed before going live. See our About page for editorial standards and how to report errors.

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SSH Typo Locked Me Out: How I Fixed My Linux Server
Linux5 min read

SSH Typo Locked Me Out: How I Fixed My Linux Server

So there I was, feeling like a total Linux wizard. Fresh out of a bootcamp, I’d just spun up my very first DigitalOcean droplet. It was a tiny, cheap VPS, but t…

#ssh#command#locked
r5yn1r4143 · 3w ago
0039
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How `find` Broke My Linux: Recovery with `grep`
Linux6 min read

How `find` Broke My Linux: Recovery with `grep`

The air in the server room was thick with the smell of ozone and my own rising panic. It was my first week as a junior sysadmin, and I’d been tasked with a seem…

#attempt#basic#linux
r5yn1r4143 · 3w ago
0032
The Day I Locked Myself Out: Linux Permissions
Linux6 min read

The Day I Locked Myself Out: Linux Permissions

Okay, so picture this: it was my first year in college, diving headfirst into the wild, wonderful world of Linux. I was so excited to ditch Windows for a bit, t…

#linux#file#permission
r5yn1r4143 · 3w ago
0037
The Day Linux File Permissions Locked Me Out
Linux5 min read

The Day Linux File Permissions Locked Me Out

It was late, I was tired, and I was trying to be clever. I'd just set up my shiny new Linux server, and naturally, the first thing I wanted to do was… tweak per…

#linux#file#permission
r5yn1r4143 · Apr 18
0023
SSH Keys Broke My First Connection: A Lesson Learned
Linux5 min read

SSH Keys Broke My First Connection: A Lesson Learned

Hey everyone, welcome back to Oops IT! Today, we’re diving into a classic rite of passage for anyone venturing into the wonderful world of servers and remote ac…

#ssh#connection#failed
r5yn1r4143 · Apr 12
0030
Linux3 min read

How I Accidentally Locked Myself Out of SSH After Changing the Port

A classic sysadmin mistake — I changed the SSH port on a remote server without opening it in the firewall first. Here's how I fixed it and the checklist I now f…

#ssh#linux#firewall
r5yn1r4143 · Apr 3
0057
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