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backup/auto_copy_backup.sh

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+#!/bin/bash
+
+# Define backup directory on your local machine
+BACKUP_DIR="/path/to/your/backups"
+WEEKLY_DIR="$BACKUP_DIR/weekly"
+
+# Run the backup script
+ssh server /root/backup/script.sh
+scp server:/root/backup/backup_$(date +"%Y%m%d").tar "$BACKUP_DIR"
+ssh server rm /root/backup/backup_$(date +"%Y%m%d").tar
+
+# Keep only the last 7 daily backups
+find "$BACKUP_DIR" -maxdepth 1 -name "backup_*.tar" -type f -mtime +6 -exec rm {} \;
+
+# Weekly backup: Every Sunday, move the daily backup to a weekly folder
+if [ "$(date +%u)" -eq 7 ]; then
+    mkdir -p "$WEEKLY_DIR"
+    cp "$BACKUP_DIR/backup_$(date +"%Y%m%d").tar" "$WEEKLY_DIR/weekly_$(date +"%Y%m%d").tar"
+
+    # Enforce 100 GB limit for weekly backups
+    while true; do
+        TOTAL_SIZE=$(du -s "$WEEKLY_DIR" | awk '{print $1}')
+        if [ "$TOTAL_SIZE" -le 102400 ]; then  # 100 GB in KB
+            break
+        fi
+        # Find and remove the oldest weekly backup
+        OLDEST_FILE=$(ls -t "$WEEKLY_DIR" | tail -1)
+        if [ -n "$OLDEST_FILE" ]; then
+            rm "$WEEKLY_DIR/$OLDEST_FILE"
+        fi
+    done
+fi