screen

功能

会话恢复

多窗口

会话共享

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mkdir -p /media/cdrom
mount /dev/cdrom /media/cdrom
mount: /dev/sr0 is write-protected, mounting read-only

vim /etc/yum.repos.d/rhel7.repo
[rhel7]
name=rhel7
baseurl=file:///media/cdrom
enabled=1
gpgcheck=0

yum install screen 
Loaded plugins: langpacks, product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use
subscription-manager to register.
rhel | 4.1 kB 00:00 
Resolving Dependencies
--> Running transaction check
---> Package screen.x86_64 0:4.1.0-0.19.20120314git3c2946.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===============================================================================
 Package Arch Version Repository
 Size
===============================================================================
Installing:
 screen x86_64 4.1.0-0.19.20120314git3c2946.el7 rhel 551 k
Transaction Summary
===============================================================================
Install 1 Package
Total download size: 551 k
Installed size: 914 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
 Installing : screen-4.1.0-0.19.20120314git3c2946.el7.x86_64 1/1 
 Verifying : screen-4.1.0-0.19.20120314git3c2946.el7.x86_64 1/1 
Installed:
 screen.x86_64 0:4.1.0-0.19.20120314git3c2946.el7 
Complete!

参数

-S 创建会话窗口

-d 将指定会话进行离线处理

-r 回复指定会话

-x 一次性恢复所有会话

-ls 显示当前已有会话

-wipe 把目前无法使用的会话删除

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screen -S backup

screen -ls
There is a screen on:
32230.backup (Attached)
1 Socket in /var/run/screen/S-root.

exit
[screen is terminating]

screen vim memo.txt
welcome to linuxprobe.com

screen -S linux

tail -f /var/log/messages 
Feb 20 11:20:01 localhost systemd: Starting Session 2 of user root.
Feb 20 11:20:01 localhost systemd: Started Session 2 of user root.
Feb 20 11:21:19 localhost dbus-daemon: dbus[1124]: [system] Activating service 
name='com.redhat.SubscriptionManager' (using servicehelper)
Feb 20 11:21:19 localhost dbus[1124]: [system] Activating service name='com.
redhat.SubscriptionManager' (using servicehelper)
Feb 20 11:21:19 localhost dbus-daemon: dbus[1124]: [system] Successfully activated
service 'com.redhat.SubscriptionManager'
Feb 20 11:21:19 localhost dbus[1124]: [system] Successfully activated service 'com.
redhat.SubscriptionManager'
Feb 20 11:30:01 localhost systemd: Starting Session 3 of user root.
Feb 20 11:30:01 localhost systemd: Started Session 3 of user root.
Feb 20 11:30:43 localhost systemd: Starting Cleanup of Temporary Directories...
Feb 20 11:30:43 localhost systemd: Started Cleanup of Temporary Directories.

screen -ls
There is a screen on:
 13469.linux (Detached)
1 Socket in /var/run/screen/S-root.

screen -r linux
tail -f /var/log/messages
Feb 20 11:20:01 localhost systemd: Starting Session 2 of user root.
Feb 20 11:20:01 localhost systemd: Started Session 2 of user root.
Feb 20 11:21:19 localhost dbus-daemon: dbus[1124]: [system] Activating service
name='com.redhat.SubscriptionManager' (using servicehelper)
Feb 20 11:21:19 localhost dbus[1124]: [system] Activating service name='com.
redhat.SubscriptionManager' (using servicehelper)
Feb 20 11:21:19 localhost dbus-daemon: dbus[1124]: [system] Successfully 
activated service 'com.redhat.SubscriptionManager'
Feb 20 11:21:19 localhost dbus[1124]: [system] Successfully activated service 
'com.redhat.SubscriptionManager'
Feb 20 11:30:01 localhost systemd: Starting Session 3 of user root.
Feb 20 11:30:01 localhost systemd: Started Session 3 of user root.
Feb 20 11:30:43  localhost systemd: Starting Cleanup of Temporary Directories...
Feb 20 11:30:43 localhost systemd: Started Cleanup of Temporary Directories.
Feb 20 11:40:01 localhost systemd: Starting Session 4 of user root.
Feb 20 11:40:01 localhost systemd: Started Session 4 of user root.

#临时断开（detach）

#重新连接（attach）

会话共享

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ssh 192.168.10.10
The authenticity of host '192.168.10.10 (192.168.10.10)' can't be established.
ECDSA key fingerprint is 70:3b:5d:37:96:7b:2e:a5:28:0d:7e:dc:47:6a:fe:5c.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.10.10' (ECDSA) to the list of known hosts.
root@192.168.10.10's password: 此处输入root管理员密码
Last login: Wed May 4 07:56:29 2017
screen -S linuxprobe

ssh 192.168.10.10
The authenticity of host '192.168.10.10 (192.168.10.10)' can't be established.
ECDSA key fingerprint is 70:3b:5d:37:96:7b:2e:a5:28:0d:7e:dc:47:6a:fe:5c.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.10.10' (ECDSA) to the list of known hosts.
root@192.168.10.10's password: 此处输入root管理员密码
Last login: Wed Feb 22 04:55:38 2017 from 192.168.10.10

screen -x

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