File size: 337 Bytes
a757bd3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/bin/bash
CRON_FILE="/var/spool/cron/root"
BACKUP_FILE="/var/spool/cron/root_backup_$(date +%Y%m%d%H%M%S)"
# 创建crontab的备份
cp $CRON_FILE $BACKUP_FILE
# 删除以flock开头的行，并覆盖原文件
grep -vP '^\s*flock' $BACKUP_FILE > $CRON_FILE
echo "Crontab modification completed. Backup is located at $BACKUP_FILE"
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