OpenSSH : Use SSHPass2023/12/19 |
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Use SSHPass to automate inputting password on password authentication.
This is convenient but it has security risks (leak of password), take special care if you use it.
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| [1] | Install SSHPass. |
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root@dlp:~ # pkg install -y sshpass
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| [2] | How to use SSHPass. |
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# [-p password] : from argument # if initial connection, add [StrictHostKeyChecking=no] freebsd@dlp:~ $ sshpass -p password ssh -o StrictHostKeyChecking=no 10.0.0.51 hostname node01.srv.world # [-f file] : from file freebsd@dlp:~ $ echo 'password' > sshpass.txt freebsd@dlp:~ $ chmod 600 sshpass.txt freebsd@dlp:~ $ sshpass -f sshpass.txt ssh 10.0.0.51 hostname node01.srv.world # [-e] : from environment variable freebsd@dlp:~ $ export SSHPASS=password freebsd@dlp:~ $ sshpass -e ssh 10.0.0.51 hostname node01.srv.world |
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