Ubuntu开启安全软件的自动更新

参考： https://lala.im/7717.html

apt -y update
apt -y install unattended-upgrades

systemctl enable --now unattended-upgrades
systemctl status unattended-upgrades.service

然后确认一下配置文件如下 vi /etc/apt/apt.conf.d/50unattended-upgrades

生成自动 dpkg-reconfigure -plow unattended-upgrades 确保有

测试下

unattended-upgrade