Spotlight on Oracle hangs when connecting with 'Monitor OS' option via SSH (Secure Shell) to a Unix server
The UNIX shell: 'cshell' is being used as the Unix Operating System user.
Please refer to the 'Operating System issues' section of the Spotlight on Oracle release notes:
Shell used for UNIX connections:
When you configure the operating system (O/S) user for UNIX connections, the default login shell should be 'bash', 'sh' or 'ksh'. Do NOT use 'csh' (cshell) or a derivative of 'csh', as this will result in O/S data not being collected.