Distributed Systems Administration Utilities User's Guide, Linux, March 2009

Table 4-3 Target Node Error Messages
To CorrectCauseMessage
Use full paths to specify commands.The command does not exist on the
target node. The remote shell
invoked by pdsh has only a minimal
path, and a user's login scripts are
not executed on remote nodes.
<target_hostname>:sh:<command_name>:not
found
4.4 Command Fanout Troubleshooting 87