opengl - I can not start the program Linux Graphics Debugger -


i want use linux graphics debugger on ubuntu mate 16.04

starting parameters localhost port **22** got error:

"connection failed"

enter image description here

however, did manual says

this must mean cannot connect through ssh. following install it:

sudo apt-get install ssh

then follow instructions.

then sure can test locally if ssh works properly:

ssh me@localhost 
 ju@ju-hp-compaq-dc7900-small-form-factor:~$ ssh ju@localhost authenticity of host 'localhost (127.0.0.1)' can't established. ecdsa key fingerprint 60:8e:2b:c2:6d:f8:b9:41:fa:ba:12:ae:a2:5b:30:a6. sure want continue connecting (yes/no)? yes warning: permanently added 'localhost' (ecdsa) list of known hosts. ju@localhost's password:  welcome ubuntu 14.04.4 lts (gnu/linux 3.16.0-76-generic x86_64)   * documentation:  https://help.ubuntu.com/  programs included ubuntu system free software; exact distribution terms each program described in individual files in /usr/share/doc/*/copyright.  ubuntu comes absolutely no warranty, extent permitted applicable law.  ju@ju-hp-compaq-dc7900-small-form-factor:~$ echo there again there again

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