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--- wiki:screen [2020/04/29 13:39] – [Overview] walkeradmin
+++ wiki:screen [2020/04/29 14:11] (current) – walkeradmin
@@ Line 24: / Line 24: @@
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 \\
 From a terminal in Linux, enter the following:
 \\
     screen --version
-If you see a version number, you are good to go, if you see the message <color #ed1c24>screen: command not found</color> then you will need to install <color #ed1c24>screen</color>.
+If you see a version number in the format <color #ed1c24>Screen version 4.01.00devel (GNU) 2-May-06</color>, you are good to go, check out the section Using Screen. if you see the message <color #ed1c24>screen: command not found</color> then you will need to install <color #ed1c24>screen</color>.
 \\
 \\
 ----
-=== Installing Screen ====
+==== Installing Screen ====
 \\
+To install screen, open a terminal window and use the following command:
+\\
+    sudo yum install screen -y
+\\
+You will see something very similar to the following:
+<file>
+sudo yum install screen -y
+Loaded plugins: fastestmirror
+Determining fastest mirrors
+epel/x86_64/metalink                                                                                                     | 8.3 kB  00:00:00
+ * base: centos.mirroring.pulsant.co.uk
+ * epel: ftp.nluug.nl
+ * extras: mirror.mhd.uk.as44574.net
+ * updates: mirror.vorboss.net
+base                                                                                                                     | 3.6 kB  00:00:00
+epel                                                                                                                     | 4.7 kB  00:00:00
+extras                                                                                                                   | 2.9 kB  00:00:00
+updates                                                                                                                  | 2.9 kB  00:00:00
+(1/7): base/7/x86_64/group_gz                                                                                            | 153 kB  00:00:00
+(2/7): extras/7/x86_64/primary_db                                                                                        | 190 kB  00:00:00
+(3/7): updates/7/x86_64/primary_db                                                                                       | 120 kB  00:00:00
+(4/7): epel/x86_64/updateinfo                                                                                            | 1.0 MB  00:00:00
+(5/7): epel/x86_64/group_gz                                                                                              |  95 kB  00:00:00
+(6/7): base/7/x86_64/primary_db                                                                                          | 6.1 MB  00:00:01
+(7/7): epel/x86_64/primary_db                                                                                            | 6.8 MB  00:00:02
+Resolving Dependencies
+--> Running transaction check
+---> Package screen.x86_64 0:4.1.0-0.25.20120314git3c2946.el7 will be installed
+--> Finished Dependency Resolution
+Dependencies Resolved
+================================================================================================================================================
+ Package                     Arch                        Version                                                Repository                 Size
+================================================================================================================================================
+Installing:
+ screen                      x86_64                      4.1.0-0.25.20120314git3c2946.el7                       base                      552 k
+Transaction Summary
+================================================================================================================================================
+Install  1 Package
+Total download size: 552 k
+Installed size: 914 k
+Downloading packages:
+screen-4.1.0-0.25.20120314git3c2946.el7.x86_64.rpm                                                                       | 552 kB  00:00:00
+Running transaction check
+Running transaction test
+Transaction test succeeded
+Running transaction
+  Installing : screen-4.1.0-0.25.20120314git3c2946.el7.x86_64                                                                               1/1
+  Verifying  : screen-4.1.0-0.25.20120314git3c2946.el7.x86_64                                                                               1/1
+Installed:
+  screen.x86_64 0:4.1.0-0.25.20120314git3c2946.el7
+Complete!
+</file>
+\\
+----
+==== Using Screen ====
+\\
+To start <color #ed1c24>screen</color>, simply use:
+\\
+    screen
+\\
+You can check what screen commands are available by: Press <color #00a2e8>CTRL+a</color> (let go of all keys) then hit <color #00a2e8>?</color>
+<file>
+                                                     Screen key bindings, page 1 of 1.
+                                                       Command key:  ^A   Literal ^A:  a
+break       ^B b       flow        ^F f       lockscreen  ^X x       pow_break   B          screen      ^C c       width       W
+clear       C          focus       ^I         log         H          pow_detach  D          select      '          windows     ^W w
+colon       :          hardcopy    h          login       L          prev        ^H ^P p ^? silence     _          wrap        ^R r
+copy        ^[ [       help        ?          meta        a          quit        \          split       S          writebuf    >
+detach      ^D d       history     { }        monitor     M          readbuf     <          suspend     ^Z z       xoff        ^S s
+digraph     ^V         info        i          next        ^@ ^N sp n redisplay   ^L l       time        ^T t       xon         ^Q q
+displays    *          kill        K k        number      N          remove      X          title       A
+dumptermcap .          lastmsg     ^M m       only        Q          removebuf   =          vbell       ^G
+fit         F          license     ,          other       ^A         reset       Z          version     v
+^]   paste .
+"    windowlist -b
+-    select -
+    select 0
+    select 1
+    select 2
+    select 3
+    select 4
+    select 5
+    select 6
+    select 7
+    select 8
+    select 9
+I    login on
+O    login off
+]    paste .
+|    split -v
+:kB: focus prev
+</file>
+\\
+\\
+**Starting a "Named Session"**
+\\
+\\
+You can name your screen sessions, which makes it easier to find the one you were in, you can do this using the following syntax:
+\\
+    screen -S session_name
+\\
+For example <color #ed1c24>screen -S Orca</color>
+\\
+\\
+You will not see a lot happen, but a new window has opened and you are in a new session.
+\\
+\\
+When you start a new screen session, it creates a single window with a shell in it.
+\\
+\\
+You can have multiple windows inside a Screen session.
+\\
+\\
+To create a new window with shell, type <color #ed1c24>Ctrl+a</color> then <color #ed1c24>c</color>, the first available number from the range 0...9 will be assigned to it.
+\\
+\\
+Below are some most common commands for managing Linux Screen Windows:
+\\
+\\
+    Ctrl+a c Create a new window (with shell)
+    Ctrl+a " List all window
+    Ctrl+a 0 Switch to window 0 (by number )
+    Ctrl+a A Rename the current window
+    Ctrl+a S Split current region horizontally into two regions
+    Ctrl+a | Split current region vertically into two regions
+    Ctrl+a tab Switch the input focus to the next region
+    Ctrl+a Ctrl+a Toggle between the current and previous region
+    Ctrl+a Q Close all regions but the current one
+    Ctrl+a X Close the current region
+\\
+\\
+**Detach from Linux Screen Session**
+\\
+\\
+You can detach from the screen session at any time by typing:
+\\
+    Ctrl+a d
+\\
+The program running in the screen session will continue to run after you detach from the session.
+\\
+\\
+**Reattach to a Linux Screen**
+\\
+\\
+To resume your screen session use the following command: (and this is the whole point of this article :)   )
+\\
+    screen -r
+\\
+\\
+In case you have multiple screen sessions running on your machine, you will need to append the screen session ID after the r switch.
+\\
+\\
+To find the session ID list the current running screen sessions with:
+\\
+    screen -ls
+\\
+Output is: (your session numbers/names will differ)
+\\
+<file>
+There are screens on:
+.pts-0.linuxize-desktop   (Detached)
+.pts-0.linuxize-desktop   (Detached)
+Sockets in /run/screens/S-linuxize.
+</file>
+\\
+If you want to restore screen 10835.pts-0, then type the following command:
+\\
+    screen -r 10835
+\\
+\\
+\\
+----
+\\
+Plagurised from : [[https://linuxize.com/post/how-to-use-linux-screen/]] (i do this in case their site goes down/gets closed etc).