백업 스크립트
#!/bin/bash
DATE=$(date +%Y%m%d)
DB_NAME="mydb"
pg_dump $DB_NAME | gzip > /backup/${DB_NAME}_${DATE}.sql.gz
find /backup -type f -mtime +30 -delete
echo "Backup completed: ${DATE}"디스크 모니터링
#!/bin/bash
USAGE=$(df / | tail -1 | awk '{print $5}' | sed 's/%//')
if [ $USAGE -gt 90 ]; then
echo "Disk usage ${USAGE}%" | mail -s "Alert" admin@example.com
fi
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