From FarmShare

Resetting the shell configuration

Some kinds of changes to ~/.cshrc and ~/.login (or other shell configuration files) may break VNC; in particular, setting up the environment for certain applications (e.g., Cadence) according to instructions is known to cause problems. You can restore the default shell configuration by running updaterc. /usr/pubsw/bin/updaterc

Resetting VNC state and configuration

A common troubleshooting method is to reset the VNC configuration by deleting the ~/.vnc application directory. rm -rf ~/.vnc mkdir ~/.vnc vncpasswd

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