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28 lines
1.2 KiB
Markdown
28 lines
1.2 KiB
Markdown
# pssh
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> Parallel SSH program.
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> More information: <https://manned.org/pssh>.
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- Run a command on two hosts, and print its output on each server inline:
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`pssh {{[-i|--inline]}} {{[-H|--host]}} "{{host1}} {{host2}}" {{hostname --ip-addresses}}`
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- Run a command and save the output to separate files:
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`pssh {{[-H|--host]}} {{host1}} {{[-H|--host]}} {{host2}} {{[-o|--outdir]}} {{path/to/output_dir}} {{hostname --ip-addresses}}`
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- Run a command on multiple hosts, specified in a new-line separated file:
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`pssh {{[-i|--inline]}} {{[-h|--hosts]}} {{path/to/hosts_file}} {{hostname --ip-addresses}}`
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- Run a command as root (this asks for the root password):
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`pssh {{[-i|--inline]}} {{[-h|--hosts]}} {{path/to/hosts_file}} {{[-A|--askpass]}} {{[-l|--user]}} {{root_username}} {{hostname --ip-addresses}}`
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- Run a command with extra SSH arguments:
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`pssh {{[-i|--inline]}} {{[-h|--hosts]}} {{path/to/hosts_file}} {{[-x|--extra-arg]}} "{{-O VisualHostKey=yes}}" {{hostname --ip-addresses}}`
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- Run a command limiting the number of parallel connections to 10:
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`pssh {{[-i|--inline]}} {{[-h|--hosts]}} {{path/to/hosts_file}} {{[-p|-par]}} {{10}} '{{cd dir; ./script.sh; exit}}'`
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