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================
SSH
================
Escape Sequences
---------------------
~? (tilde question mark) displays the escape sequences. Notably, ~. kills the
connection (eg, if the other end has hung), and ~^Z backgrounds the shell (so
you can mess around locally).
``~/.ssh/config``
------------------------
To "reuse" a single SSH connection between multiple shells/pipes/scp::
ControlPath ~/.ssh/master-%l-%r@%h:%p
ControlMaster auto
Enable compression over remote connections with fast machines::
Compression yes
SSH Key Agent Timeout
-----------------------------
``ssh-agent`` has an argument (``-t``) to timeout private keys. You'll need to
enable this flag in your X initialization file somewhere... on Ubuntu it seems
to be in ``/etc/X11/Xsession.d/90x11-common_ssh-agent`` (set ``SSHAGENTARGS='-t
6h'`` for six hour timeout).
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