mussh

Execute SSH commands across multiple hosts in parallel

brewmacoslinux

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Multi-host SSH wrapper

mussh

Run a command on multiple hosts listed in a file$ mussh -h hosts.txt -c 'uptime'

Execute command on specific hosts with custom SSH options$ mussh -h host1,host2,host3 -c 'df -h' -o '-p 2222'

Run command with specified number of parallel connections$ mussh -h hosts.txt -c 'systemctl restart nginx' -P 5