添加crontab定时任务:
crontab -e
手册:
man ip-link
ip link set DEVICE mtu MTU
ip-neighbour - neighbour/arp tables management.
手册:
man 8 ip-neighbour
https://www.freedesktop.org/wiki/Software/polkit/
polkit is an application-level toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes: It is a framework for centralizing the decision making process with respect to granting access to privileged operations for unprivileged applications
systemd入门教程:
http://www.ruanyifeng.com/blog/2016/03/systemd-tutorial-commands.html
systemd unit template:
https://fedoramagazine.org/systemd-template-unit-files/