CLI Tools
bash
Intermediate
Parallel SSH Command Runner
Run an arbitrary command on multiple servers in parallel and collect outputs.
bash
#!/bin/bash
CMD=${1:-uptime}
HOSTS=(web-01 web-02 web-03)
for host in "${HOSTS[@]}"; do
ssh -o ConnectTimeout=5 "$host" "$CMD" 2>&1 | sed "s/^/$host: /" &
done
wait
echo Done.Prerequisites
- ssh
- bash
Pro Tips
- → Use pssh or Ansible for larger fleets.
Commercial Licensing
Acquire a production access token or template license for enterprise deployment.
Module Info
- Language
- bash
- Level
- Intermediate
- Read time
- 2 min
- Published
- Mar 2026
- License
- Commercial License
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