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When I login to a remote machine via ssh, I have to enter a password first and then login to the OS itself by entering another pair of login and a password. When I'm doing I type exist. However, it doesn't terminate the ssh session, instead if logs me out from the OS:

[machine_name@login123 folder_name]$ exit
logout

CentOS release 6.2 (Final)
Kernel 3.14.5-x86-linode61 on an i686

machine_name login:

How do I disconnect from the ssh session?

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    This is for some kind of remote console / out-of-band management rather than a direct connection to the machine, right? When you ssh directly to the machine I can't imagine this happens? – Håkan Lindqvist Oct 27 '14 at 6:33
  • What command did you use to make the initial connection? – Andrew Schulman Oct 27 '14 at 8:11
  • @AndrewSchulman, ssh. – Oskar K. Oct 27 '14 at 16:55
  • @HåkanLindqvist, it's ssh. – Oskar K. Oct 27 '14 at 16:56
  • What output do you get from the tty and who am i commands? This isn't behaving like a normal ssh session. That output might clarify thimgs. – Paul Haldane Oct 27 '14 at 23:23
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That's not typical ssh behavior. It sounds like the remote server has been configured in some unusual way. In any event, when ssh is running interactively, it accepts a set of escape sequences to invoke special behavior. One of these escape sequences will cause ssh to disconnect and exit.

To disconnect, type <CR>~.. That means to press your return key (aka the enter key), then tilde (~), then period.

There are other sequences you can type. typing <CR>~? (return, tilde, question-mark) will print a list. You can also see a list by viewing the ssh man page and searching for "ESCAPE CHARACTERS".

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