First, screen commonly used functions
(1) Session recovery-most commonly used-to resume a session after disconnecting using the OPS tool network
(2) session sharing-I'm doing the operation, and others can see it.
(3) Multi-window
Second, what is the use of screen?
If we were running a program, we might have to run for a couple of hours, but we were off the grid.
You can't see the running state of the program on the connection, so you can create a session with screen.
Third, Screen Basic command
[[email protected] ~]# SCREEN-LS lists which programs are running screen
[[email protected] ~]# screen-s Apache Start screen, give it a name
[[email protected] ~]# screen-x apache-x parameter can go to a disconnected session
Iv. Installation of screen
(1) [Email protected] ~]# Rpm-qa | grep screen Query This machine installs screen
Screen-4.0.3-18.el6.x86_64
(2) [[email protected] ~]# yum-y Install screen installation screen
(3) Create a session:
[Email protected] ~]# screen-s Apache
(4) To view the created session:
[Email protected] ~]# Screen-ls
There is a screens on:
5410.apache(attached)
1 Socket in/var/run/screen/s-root.
[Email protected] ~]#
(5) test to perform a ping task and then disconnect
[[email protected] ~]# Ping baidu.com
PING baidu.com (123.125.114.144) bytes of data.
Bytes from 123.125.114.144:icmp_seq=1 ttl=51 time=50.3 ms
Bytes from 123.125.114.144:icmp_seq=2 ttl=51 time=50.1 ms
Bytes from 123.125.114.144:icmp_seq=3 ttl=51 time=50.1 ms
Bytes from 123.125.114.144:icmp_seq=4 ttl=51 time=50.1 ms
Bytes from 123.125.114.144:icmp_seq=5 ttl=51 time=50.2 ms
Bytes from 123.125.114.144:icmp_seq=6 ttl=51 time=50.2 ms
(6) Resuming a session
[[email protected] ~]# Screen-ls View session, name is Apache
There is a screens on:
5410.apache(Detached)
1 Socket in/var/run/screen/s-root.
[[email protected] ~]# Screen-r Apache resume session with-R parameter
Bytes from 123.125.114.144:icmp_seq=77 ttl=51 time=50.1 ms
Bytes from 123.125.114.144:icmp_seq=78 ttl=51 time=50.4 ms
Bytes from 123.125.114.144:icmp_seq=79 ttl=51 time=50.4 ms
Bytes from 123.125.114.144:icmp_seq=80 ttl=51 time=51.3 ms
Bytes from 123.125.114.144:icmp_seq=81 ttl=51 time=53.4 ms
Bytes from 123.125.114.144:icmp_seq=82 ttl=51 time=49.7 ms
Bytes from 123.125.114.144:icmp_seq=84 ttl=51 time=50.2 ms
Bytes from 123.125.114.144:icmp_seq=85 ttl=51 time=50.2 ms
Bytes from 123.125.114.144:icmp_seq=86 ttl=51 time=50.2 ms
Bytes from 123.125.114.144:icmp_seq=87 ttl=51 time=51.6 ms
Bytes from 123.125.114.144:icmp_seq=88 ttl=51 time=52.2 ms
(7) [[email protected] ~]# screen-x apache-x parameter can go to a disconnected session
This article is from the "Bobcat" blog, make sure to keep this source http://cqtangbo.blog.51cto.com/2978612/1752673
About Screen commands