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#checksum

3 one-liners with this tag.

All one-liners tagged checksum

Save checksums of all files in a directory

$cd /var/www/vhosts/example.com/httpdocs && find . -type f -exec sha256sum {} + > /tmp/example.com.sha256
cautionrsync and backup

Verify a backup against the original using checksums

$rsync -rcn --itemize-changes /var/www/vhosts/example.com/httpdocs/ /backup/example.com/httpdocs/
harmlessrsync and backup

Verify files against saved checksums

$cd /backup/example.com/httpdocs && sha256sum -c --quiet /tmp/example.com.sha256
harmlessrsync and backup

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