category 06 / 10

SSH & remote

Tunnels, key management, remote commands, and file transfers.

004

entries

4 min

avg read

all 004 ssh 003 ssh-keygen 001 fingerprints 001 security 001 ssh-config 001 debugging 001 rsync 001 sync 001 backup 001 dry-run 001 multiplexing 001 performance 001

038See which keys can log in to an account without reading base64ssh-keygen -lf ~/.ssh/authorized_keys2026-10-073 min 031See the SSH settings a host will actually use before you connectssh -G devbox | grep -E '^(user|hostname|port|identityfile|proxyjump) '2026-09-284 min 023See exactly what rsync will change before it changes anythingrsync -avni --delete site/ backup/2026-09-164 min 013Reuse SSH connections instead of authenticating every timessh -o ControlMaster=auto -o ControlPath=~/.ssh/sockets/%r@%h-%p -o ControlPersist=600 devbox2026-09-014 min

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