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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 · 4d ago
0029
K8s Pod Evictions: My Debugging Nightmare & Solution
Troubleshooting5 min read

K8s Pod Evictions: My Debugging Nightmare & Solution

Ah, the sweet symphony of kubectl logs and kubectl describe pod – the lullaby of every Kubernetes developer, right? Well, usually. But then there are those mome…

#troubleshooting#kubernetes#pod
r5yn1r4143 · 8h ago
008
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Docker3 min read

How a Dangling Docker Volume Ate 40GB of My Server's Disk Space

My server kept running out of disk space and I couldn't figure out why. Turns out Docker was silently hoarding gigabytes of unused volumes, images, and build ca…

#docker#disk-space#cleanup
r5yn1r4143 · 4d ago
0024
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 · 4d ago
0029