centos7释放内存脚本

一、创建文件 

touch /var/spool/cron/root

二、编辑 脚本

vim  buffer.sh

#!/bin/bash
#discription:The script is release buffer/cache

[ -e /var/spool/cron/root ]
if [ $? -eq 0 ]
then
cat >> /opt/buffer.sh << EOF
#!/bin/bash
#discription:The scipt is release Buffer/cache
sync
sync
sync
echo 3 > /proc/sys/vm/drop_caches
EOF
echo "0 2 * * * /usr/bin/bash /opt/buffer.sh" >> /var/spool/cron/root
if [ $? -eq 0 ]
then
systemctl restart crond.service
fi
else
echo " Not find cront list Please exit"
fi

三、执行 脚本

bash buffer.sh

又到了和喜欢的人拉拉手都会静电的季节了~

天气冷了 注意保暖了~