Checksum-based sync rsync
Compare by checksum not mtime+size; delete-after avoids removing files until transfer succeeds
rsync -ac --delete-after /src/ /dst/
more rsync
all 7 commands →
Full-fidelity migration copy
rsync -aHAXv --numeric-ids /src/ user@<host>:/dst/
Itemized dry-run diff
rsync -ai --dry-run --delete /src/ /dst/
Throttled transfer
rsync -a --bwlimit=10M --info=progress2 /src/ user@<host>:/dst/
Hardlinked incremental snapshots
rsync -a --delete --link-dest=../prev /src/ ./$(date +%F)/
Resume large file transfer
rsync -a --partial --append-verify --info=progress2 big.img user@<host>:/dst/