Dump the contents of a virtual console with this command.

Posted: January 24, 2018. At: 12:00 PM. This was 1 month ago. Post ID: 11780
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There is a simple way to dump the contents of a virtual console to a file, the screendump command is the best way to achieve this.

ubuntu ~ $ sudo screendump

Ubunt * Stopping System V runlevel compatibility                         [ OK ]
u 14.0 * Starting execute cloud user/final scripts                       [ OK ]4
.4 LTS ip-172-18-31-5 tty1
 
ip-172-18-31-5 login:

The above is an example of dumping the text on a virtual console to the screen.

To select which virtual console to dump from, execute it like this.

ubuntu ~ $ sudo screendump 3
 
Ubuntu 14.04.4 LTS ip-172-31-20-16 tty3
 
ip-172-18-31-5 login:

Another example, using this on Debian 9.

/dev/sda1: clean, 163053/30146560 files, 4392415/120555520 blocks
[   10.948948] usb 1-1.1: firmware: failed to load ar3k/AthrBT_0x01020200.dfu (-2)
[   10.948987] Bluetooth: Loading patch file failed
[   20.959244] r8169 0000:01:00.0: firmware: failed to load rtl_nic/rtl8105e-1.fw (-2)
 
Debian GNU/Linux 9 debian tty1
 
debian login: jason
Password:
Last login: Thu Jan  4 09:11:48 AEDT 2018 from 192.168.1.2 on pts/1
Linux debian 4.9.0-4-amd64 #1 SMP Debian 4.9.65-3+deb9u1 (2017-12-23) x86_64
 
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
 
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
 
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| '_  / _ | | | | __/ _` |
| |_) |  __/| | | | || (_| |
|_.__/ ___|/ |_|_|____,_|
          |__/
 
Welcome jason.
 
[email protected]:~$

Very useful tip for saving output of a program on a virtual console that you do not want to lose.

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