SSH connection frozen or hanging? Copy-paste fixes ordered by likelihood. Covers hung sessions, timeout errors, and stale connections on Linux/BSD.
How to Reset SSH Connection: 5-Minute Fixes Read Post »
Linux Troubleshooting
Disk full error but df shows free space? Your inodes are exhausted. Find which directory, then delete files. Copy-paste commands inside.
Disk Full But df Shows Space: Fix Inode Exhaustion Read Post »