configuration editor for OpenSsh

 Config::Model::OpenSsh enables cme command to edit OpenSSH
 configuration files, namely, /etc/ssh/sshd_config, /etc/ssh/ssh_config (for
 root) and ~/.ssh/config (for other users).
 .
 You can get extra functionality by installing some optional dependencies:
 .
  * A graphical OpenSSH file editor with libconfig-model-tkui-perl
  * A curses OpenSSH file editor with libconfig-model-cursesui-perl
 .
 Comments of the files are preserved during edition. Comments can
 be edited with the graphical interface and saved back in the
 configuration files.
 .
 'cme check ssh' command can be used to validate the content of ssh*
 configuration files.