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SSH

Resuming after sleep mode, terminating/hanging up a frozen SSH session in Linux

Submitted by Druss on Fri, 2015-03-20 11:55

So, I am often SSH'd into a remote server from my Kubuntu desktop. I also rarely switch off my desktop and prefer to just hit sleep instead. One of the things that can be annoying when I resume the desktop is that the previous SSH session is now unresponsive/frozen as SSH believes that it is still connected to the remote server while the server has given up on the old session long ago. No amount of CTRL + C or CTRL + Z banging is going to terminate the session which can take an inordinately long wait to time out.

Slow login into Ubuntu via SSH

Submitted by Druss on Fri, 2014-01-31 20:13

Fresh install of Ubuntu Server 12.04 LTS: After installed SSHD, I found that logging in remotely was a time-consuming process as the password prompt took ages to pop up after the username prompt. Binging about, I found that this was due to SSHD performing a reverse DNS lookup of my IP to potentially check if all is kosher. Turning this check off fixes the issue:

SSH password-less login using PuTTY on Windows

Submitted by Druss on Thu, 2011-06-30 00:27

So, if you, like me, have to resort to PuTTY sometimes to SSH into a Linux box, I'm sure that you have also subjected yourself to much gnashing of teeth at the lack of a Windows solution to password-less logins into your server. For the uninitiated, password-less SSH allows you to log into a server without manually authenticating yourself.

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