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vim /etc/sudoers:

gives warning: vim output is not to a terminal vim input is not from a terminal

Sudo, yum does not works. Gives error:

su: gives error: standard in must be a tty

sudo : sorry, you must have a tty to run sudo

If I try to edit any file directly from gui access then it says no permission.

I want to uninstall xamp from my ec2 linux instance.

I searched for all this issue on web and tried with all solution available. No luck. Any help will be highly appreciated.

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  • how are you sshing to the box?
    – Matt
    Sep 12, 2013 at 10:17
  • @mindthemonkey: I dont know exactly what you want to know, but I am using WinSCP GUI and terminal inside it for processing!
    – cyclic
    Sep 12, 2013 at 11:13
  • i'm curious, why are you using a gui instead of a typical command line via ssh? how did you get xamp on there, and why not just terminate the instance instead of trying to uninstall xamp? is this a production machine? what have you done out of the ordinary such that vim and su don't work?
    – Drew Khoury
    Sep 12, 2013 at 11:38
  • @DrewKhoury: Terminating machine? I could not do. I have been given it from my guide to show the work.
    – cyclic
    Sep 12, 2013 at 16:54
  • what guide? that comment doesn't make sense
    – Drew Khoury
    Sep 13, 2013 at 13:10

1 Answer 1

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WinSCP has probably not allocated a TTY for the ssh connection and it's simple terminal probably doesn't support much of the functionality anyway

Try connecting with PuTTY and running the commands there.

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