linux - Pass a password to ssh in pure bash -


i want pass password ssh using bash script (yes, know there ssh keys use, not intend).

i found solutions using expect since not standard bash tool wondering if can using pipes.

can explain me, why this:

echo "password\n" | ssh somehost.com

or

ssh somehost.com <(echo "password\n")

doesn't work? there possibility make work? maybe executing ssh different process, obtaining pid , sending string directly it?

you can not specify password command line can either using ssh keys or using sshpass suggested john c. or using expect script.

to use sshpass, need install first. then

sshpass -f <(printf '%s\n' your_password) ssh user@hostname

instead of using sshpass -p your_password. mentioned charles duffy in comments, safer supply password file or variable instead of command line.


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