SSH and the X Window System
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The default Xsession on Debian is run with ssh-agent so that ssh
connections can be initiated more easily (after you have performed an
ssh-add). This is controlled by the file
/etc/X11/Xsession.options:
You can have your ssh passphrase asked for each time you log on. Using
gdm and the Debian Session (rather than the Gnome Session)
will load the /home/kayon/.xsession file which can contain:
#!/bin/sh
ssh-add .ssh/id_dsa < /dev/null
exec gnome-session
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If you have ssh-askpass and ssh-askpass-gnome
installed you will be prompted for your passphrase. All connections
to hosts which have the public key will now be direct (no password or
passphrase required).
By default the ForwardX11 option for ssh is turned off. Thus, when
you connect to remote hosts you won't be able to display X Window
System applications on your screen. You can turn it on per connection
with:
Or else you can turn it on for all connections to a particular host by
adding the following line to /home/kayon/.ssh/config:
Host plymz
ForwardX11 yes
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Or even more generally allow X Window System forwarding through all
connections:
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