tar

Incremental snapshot archives Level-based incremental backups: snapshot.snar tracks state so only changed files are archived tar -czg snapshot.snar -f backup-$(date +%F).tgz /data #tar#disk#performance Stream directory over SSH Copy a tree without intermediate file, preserving perms; add zstd in pipe for slow links tar c -C /src . | ssh user@<host> 'tar x -C /dst' #tar#network#troubleshooting Archive with live progress Show bytes/ETA via pv while streaming into zstd; du -sb supplies total size for the bar tar cf - /data | pv -s $(du -sb /data | awk '{print $1}') | zstd -T0 > data.tar.zst #tar#monitoring#performance