Ubuntu 服务器 screen命令管理工具.

Ubuntu 服务器  screen命令管理工具.

screen安装：

sudo apt-get install screen

screen 使用：

ssh username@ip# 例如cd /path/to/python_demoscreen python demo.py

screen 常用命令：

[1] - 创建新进程，如进程名为 test_screen:

screen -S test_screen

[2] - 打印当前所有的 screen进程：

screen -ls

输出如：

There is a screen on:

    31031.pts-8.mk-SYS-7048GR-TR    (2019年01月03日 11时00分07秒)    (Detached)

1 Socket in /var/run/screen/S-hgf.

[3] - 进入创建的 test_screen 进程：

screen -r test_screen

[4] - screen 窗口切换快捷键：ctrl + a + d.

[5] - 进入指定 ID 的 screen进程，继续程序：

screen -r ID# 例如：screen -r 31031

注： 如果报错 There is no screen to be resumed matching xxx，则，

screen -d ID

screen -r ID

[6] - 彻底退出 screen 进程：

在 screen程序执行结束后，进入进程后，执行 exit即可.

screen -r test_screen

exit

[7] - 查看帮助信息

screen -h

如：

Use: screen [-opts] [cmd [args]]

or: screen -r [host.tty]

Options:

-4            Resolve hostnames only to IPv4 addresses.

-6            Resolve hostnames only to IPv6 addresses.

-a            Force all capabilities into each window's termcap.

-A -[r|R]    Adapt all windows to the new display width & height.

-c file      Read configuration file instead of '.screenrc'.

-d (-r)      Detach the elsewhere running screen (and reattach here).

-dmS name    Start as daemon: Screen session in detached mode.

-D (-r)      Detach and logout remote (and reattach here).

-D -RR        Do whatever is needed to get a screen session.

-e xy        Change command characters.

-f            Flow control on, -fn = off, -fa = auto.

-h lines      Set the size of the scrollback history buffer.

-i            Interrupt output sooner when flow control is on.

-l            Login mode on (update /var/run/utmp), -ln = off.

-ls [match]  or

-list        Do nothing, just list our SockDir [on possible matches].

-L            Turn on output logging.

-m            ignore $STY variable, do create a new screen session.

-O            Choose optimal output rather than exact vt100 emulation.

-p window    Preselect the named window if it exists.

-q            Quiet startup. Exits with non-zero return code if unsuccessful.

-Q            Commands will send the response to the stdout of the querying process.

-r [session]  Reattach to a detached screen process.

-R            Reattach if possible, otherwise start a new session.

-s shell      Shell to execute rather than $SHELL.

-S sockname  Name this session <pid>.sockname instead of <pid>.<tty>.<host>.

-t title      Set title. (window's name).

-T term      Use term as $TERM for windows, rather than "screen".

-U            Tell screen to use UTF-8 encoding.

-v            Print "Screen version 4.03.01 (GNU) 28-Jun-15".

-wipe [match] Do nothing, just clean up SockDir [on possible matches].

-x            Attach to a not detached screen. (Multi display mode).

-X            Execute <cmd> as a screen command in the specified session.