Installation Tutorial: https: //www.runoob.com/linux/linux-install.html
Linux graphical interface and a command line interface switching
https://blog.csdn.net/ab52262879/article/details/89354804
Linux centos restart command:
. 1, reboot normal restart
2, shutdown -r now immediately restart (root user)
. 3, 10 minutes and 10 the shutdown -R & lt automatically restart (root user)
. 4, at the time of the shutdown -R & lt 20:35 20:35 time to restart (root user)
if it is set to restart the shutdown command, you can cancel the restart with a shutdown -c command
Linux centos shutdown command:
1, immediately shut down the HALT
2, poweroff immediately shut down
3, shutdown -h now immediately shut down (root user)
. 4, shutdown -H 10 10 minutes after the automatic shutdown
if the shutdown is set, then the shutdown command, shutdown can be canceled with the restart command -C
Linux-CentOS7- firewall on, off, and view firewall status command
https://blog.csdn.net/dh_sir/article/details/79244059
CentOS 6 server security policy configuration
https://blog.csdn.net/vbaspdelphi/article/details/52366300
https://www.cnblogs.com/wuling129/p/4700003.html
https://yq.aliyun.com/ articles / 647227
Under Centos7 terminal vi a document exit operation
https://blog.csdn.net/Rice_Field_IT/article/details/83655309