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| 6d92da | theophile | 2025-10-12 22:17:01 | 1 | # Mailu |
| 2 | ||||
| 3 | ``` bash |
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| 4 | #!/bin/bash |
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| 5 | ||||
| 6 | # Configuration |
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| 7 | MAILU_DATA="/path/to/mailu_data" # Path to Mailu data |
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| 8 | BACKUP_DEST="user@synology:/path/to/synology/backups/mailu" # Destination on Synology NAS |
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| 9 | BACKUP_NAME="mailu_backup_$(date +'%Y%m%d%H%M%S').tar.gz" # Backup file name with timestamp |
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| 10 | KEEP_BACKUPS=5 # Number of backups to retain |
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| 11 | LOG_FILE="/var/log/mailu_backup.log" # Log file location |
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| 12 | ||||
| 13 | # Create a backup archive |
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| 14 | echo "$(date) - Starting Mailu backup..." >> $LOG_FILE |
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| 15 | tar -czf "/tmp/$BACKUP_NAME" -C "$MAILU_DATA" . >> $LOG_FILE 2>&1 |
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| 16 | ||||
| 17 | if [ $? -ne 0 ]; then |
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| 18 | echo "$(date) - Backup creation failed!" >> $LOG_FILE |
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| 19 | exit 1 |
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| 20 | fi |
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| 21 | ||||
| 22 | # Sync the backup to the NAS |
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| 23 | rsync -avz --remove-source-files "/tmp/$BACKUP_NAME" "$BACKUP_DEST" >> $LOG_FILE 2>&1 |
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| 24 | ||||
| 25 | if [ $? -ne 0 ]; then |
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| 26 | echo "$(date) - Rsync to NAS failed!" >> $LOG_FILE |
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| 27 | exit 1 |
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| 28 | fi |
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| 29 | ||||
| 30 | # Clean up older backups on the NAS |
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| 31 | echo "$(date) - Cleaning up old backups..." >> $LOG_FILE |
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| 32 | ssh user@synology "cd /path/to/synology/backups/mailu && ls -tp | grep -v '/$' | tail -n +$((KEEP_BACKUPS + 1)) | xargs -d 'n' -r rm --" >> $LOG_FILE 2>&1 |
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| 33 | ||||
| 34 | if [ $? -eq 0 ]; then |
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| 35 | echo "$(date) - Old backups cleaned up successfully." >> $LOG_FILE |
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| 36 | else |
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| 37 | echo "$(date) - Failed to clean up old backups." >> $LOG_FILE |
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| 38 | fi |
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| 39 | ||||
| 40 | echo "$(date) - Backup completed successfully." >> $LOG_FILE |
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| 41 | ``` |