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Mike81
n00b
Joined: 05 Jan 2011
Posts: 39
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 Posted: Wed Jan 08, 2014 2:22 am Post subject: Howto clear scrollback buffer on logout (local terminal)? |
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Hi,
a local system, no X, no SSH. I am logging in (i.e terminal, tty1). I am doing something ("ls -l /etc"). When I now logout (I type "exit") I want to clear all the previous output, including the scrollback buffer (the next person who will sit in front of the machine shouldn't be able to press SHIFT+PgUp to see my previous output, in this example the output from "ls").
Well, I have ".bash_logout" which will call "clear". But this won't clear the scrollback buffer. E.g. the next person who sit in front of the machine can press SHIFT+PgUp and would see my last output.
also doesn't help.
The only thing which would help is switching the terminal, e.g. pressing ALT+2... when I now switch back to tty1 (ALT+1) the buffer seems to cleared (SHIFT+PgUp doesn't work anymore).
Is there a way to do that automatically on each logout, e.g. via ".bash_logout"?
PS: I have set CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256 in my kernel. |
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javeree
Guru
Joined: 29 Jan 2006
Posts: 453
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| Posted: Wed Jan 08, 2014 11:14 am Post subject: |
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| does 'reset' instead of 'clear' do something useful ? |
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Mike81
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Joined: 05 Jan 2011
Posts: 39
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| Posted: Wed Jan 08, 2014 2:52 pm Post subject: |
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| No, no different when using "reset" instead of "clear". I am still able to view the scrollback buffer using SHIFT+PgUp... |
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