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muru
muru
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linux + how How pssh do the ssh activities without password

linux + how How pssh do the ssh activities without password

the follwing pssh command do a parallel as date

pssh -i -H "master01 master02 master03 worker01 worker02"  -l root -x '-q -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes' date | grep -v "^\["
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019

but we notice that the password for the machines not defined so how pssh do the ssh activities without password ?

linux + how pssh do the ssh activities without password

the follwing pssh command do a parallel as date

pssh -i -H "master01 master02 master03 worker01 worker02"  -l root -x '-q -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes' date | grep -v "^\["
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019

but we notice that the password for the machines not defined so how pssh do the ssh activities without password ?

How pssh do the ssh activities without password

the follwing pssh command do a parallel as date

pssh -i -H "master01 master02 master03 worker01 worker02"  -l root -x '-q -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes' date | grep -v "^\["
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019

but we notice that the password for the machines not defined so how pssh do the ssh activities without password ?

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Jeff Schaller ♦
Jeff Schaller ♦
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yael
yael
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linux + how pssh do the ssh activities without password

the follwing pssh command do a parallel as date

pssh -i -H "master01 master02 master03 worker01 worker02"  -l root -x '-q -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes' date | grep -v "^\["
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019
Fri Jul 12 12:37:35 UTC 2019

but we notice that the password for the machines not defined so how pssh do the ssh activities without password ?