Hi User20,
CCTK can do many of the things being requested.
1. It is possible to change or clear password
Eg. CCTK --setuppwd=<new password> --valsetuppwd=<old password>
2. Wake on lan
Refer to the help provided in the command CCTK -h wakeonlan
Refer to www.dell.com/.../dell-clnt-config-toolkit-v2.2 for more info.