sed -i 's/timeout=5/timeout=0/g' /boot/grub/grub.cfg
update-grub

https://360ai.org/zabbix
https://www.zabbix.com/documentation/4.0/zh/manual/quickstart/login

https://github.com/puarudz/Directadmin-1.60.4-Nulled

yum -y install nano wget perl;wget https://raw.githubusercontent.com/puarudz/Directadmin-1.60.4-Nulled/master/setup.sh;chmod +x setup.sh;./setup.sh

https://community.spiceworks.com/

printf '\x01\x02\x03' | dd of=文件名 bs=1 seek=10进制行数 count=3个数据 conv=notrunc