命令是: sudo /etc/init.d/networking restart 但是可能会遇到下面的提示: Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces 如果在VMware中修改了 Ubuntu 虚拟机的网络连接方式,比如从 Bridged 方式改成 NAT 方式之后,ping www.baidu.com 就会失败.这时如果执行 sudo
crontab -e 写入: # at a.m every week with: # * * tar -zcf /var/backups/home.tgz /home/ # # For more information see the manual pages of crontab() and cron() # # m h dom mon dow command * * * notify-send 'take a break now!' */30 * * * * export DISPLAY=: