A Minimal Backup Script

BackupsFreeBSDGPGSystem Administration
#!/usr/bin/env bash
dobackup()
{
        TARGET="$(date +"%s").dmp.gpg"
        dump -0 -L -f - / | gpg --passphrase-file $FILEPATH --symmetric --pinentry-mode loopback | tee \
                >(ssh -p XXXX YYYY@ZZZZ dd of=WWWW/$TARGET) \ # offsite 
                >(ssh -p XXXX YYYY@ZZZZ dd of=WWWW/$TARGET)   # onsite 
}
dobackup 2>&1 >/dev/null

The backup is created with dump. The backup is symmetrically encrypted with GPG using a password placed into a file in your $HOME directory called .backuppasswd. The backup is then pushed over SSH to two different locations. In this example, very similar to my actual backup setup, the backup is copied to an offsite host and an onsite host.

Replace XXXX, YYYY, ZZZZ, and WWWW with your target host(s) values.

Restore may be used to restore the backups created to the source host or others.

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