classh is yet another wrapper around ssh for running commands on a number of hosts concurrently. It is similar to xCAT, pssh, Cluster ssh, and a gaggle of other utilities. The only pre-requisite for classh is Python 2.4 or later, and no formal installation is required; a copy of the classh.py file is sufficient to run commands. The SSHJobMan class from classh can be used to create custom job management scripts. This class lets you either wait until all output has returned from a batch job or process the results as they become available by incrementally polling the running job. The output, error messages, exit code, and start and completion times of each job are stored in the results. It's been tested on jobs of over 25,000 hosts and handles over 10,000 hosts per hour across a WAN and without noticeable impact on the administrator's host.
CCFE is a simple tool to quickly supply an interactive screen-oriented interface to command line scripts and commands. It prompts users for the information needed to run the commands, and can be programmed with your preferred shell to provide predefined selections and run-time defaults. It also provides a menu system to hierarchically organize them and a viewer to browse the standard output and standard error of invoked scripts or commands.