Tools

Three Python scripts using the ClusterShell library are provided with the distribution:

• clush, a powerful parallel command execution tool with output gathering,

• clubak, a tool to gather and display results from clush/pdsh-like output (and more),

• cluset or nodeset, both are the same tool to manage cluster node sets and groups.

• clush
  • Target and filter nodes
  • Flat execution mode
  • Tree execution mode
  • Non-interactive (or one-shot) mode
  • Interactive mode
  • File copying mode
  • Reverse file copying mode
  • Run modes
  • Other options
• clubak
  • Overview
  • Tree trace mode (-T)
• cluset
  • Usage basics
  • Stepping and auto-stepping
  • Zero-padding
  • Leading and trailing digits
  • Arithmetic operations
  • Special operations
  • Node groups
  • Range sets

• nodeset