Time-machine with restic

README.md

Time-machine with restic

Features

• Differential backups
• Deduplication
• Encrypted ❤️
• Backup cleaning
• Less than 1€ a month

150k files scanned in < 30s, almost no CPU involved.

Setup

1- Sign-up to backblaze.com for a 10Go B2 free-tier

2- Create a bucket + API key with limited permissions

# init repository

RESTIC_PASSWORD=*** B2_ACCOUNT_ID=*** B2_ACCOUNT_KEY=*** /usr/local/bin/restic -r b2:time-machine:project init

# add the cron tasks
crontab -e

# if cron tasks are not executed as root, then:

touch /var/log/restic.log.1 /var/log/restic.log.2
chown samber:staff /var/log/restic.log.1 /var/log/restic.log.2

crontab

# backuping /Users/samber/project => every 30 minutes
*/30 * * * * RESTIC_PASSWORD=*** B2_ACCOUNT_ID=*** B2_ACCOUNT_KEY=*** time /usr/bin/nice -n 10 /usr/local/bin/restic -r b2:time-machine:project backup --verbose --exclude='*/node_modules' --exclude='*.o' --exclude='*.pyc' --exclude='*/vendors/' --exclude='*/vendor/' --exclude='*/scala-2*/' /Users/samber/project >> /var/log/restic.log.1 2>> /var/log/restic.log.2

# pruning backups older than 10 days => every evening
42 23 * * * RESTIC_PASSWORD=*** B2_ACCOUNT_ID=*** B2_ACCOUNT_KEY=*** time /usr/local/bin/restic -r b2:time-machine:project forget --keep-within 10d >> /var/log/restic.log.1 2>> /var/log/restic.log.2