Cron jobs

Media cleanup

0 3 * * 0  bash -c "/home/mastodon/utils/scripts/purge.sh >> /home/mastodon/logs/cron-purge.log 2>&1"

• Runs purge.sh at 3 AM on Sundays: https://crontab.guru/#0_3_*_*_0
  • Keeps last 14 days of media (images, videos) in posts
  • Keeps last 90 days of profile media (avatars, headers, etc.)
  • Keeps last 90 days of link preview cards

Backups

15 3 * * *  bash -c "/home/mastodon/utils/scripts/backup.sh >> /home/mastodon/logs/cron-backup.log 2>&1"

• Runs backup.sh at 3:15 AM every day: https://crontab.guru/#0_3___*
• Keeps last 5 daily backups, last 4 weekly backups, and all monthly backups (for now) in $BACKUPS_ROOT/{daily,weekly,monthly}
• Optionally syncs backups directory with S3:
  • Install s3cmd (apt install s3cmd) & configure it (s3cmd --configure): https://www.linode.com/docs/products/storage/object-storage/guides/s3cmd/#configuring-s3cmd
  • Set BACKUP_S3_BUCKET to bucket name in utils/.env

Sending heartbeats

Append a curl command to send heartbeat to a Better Uptime endpoint (or any other service) only if the script was successful:

0 3 * * 0  bash -c "(/home/mastodon/utils/scripts/weekly_cleanup.sh >> /home/mastodon/logs/cron.log 2>&1) && curl -X GET 'https://betteruptime.com/api/v1/heartbeat/XXXXXX'"