07-03-2008
Log onto the remote server directly as root (you may need to do this via the console). From there you can reset the password without needing to know it first.
If you don't have root access to the remote server, contact the root admin and supply them your username and proof of who you are so they can reset it for you.
Unless you mean the ssh key and you've lost your private key. In that case, unless you can find it yourself, you'll have to generate a new one and update your public key on the remote server after logging in normally (username/password)
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So I have a script which performs some basic commands on another server via ssh. It works great, no issues at all. Let's call this "Script A"
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LEARN ABOUT FREEBSD
newkey
NEWKEY(8) BSD System Manager's Manual NEWKEY(8)
NAME
newkey -- create a new key in the publickey database
SYNOPSIS
newkey -h hostname
newkey -u username
DESCRIPTION
The newkey utility is normally run by the network administrator on the Network Interface Service (NIS) master machine in order to establish
public keys for users and super-users on the network. These keys are needed for using secure RPC or secure NFS .
The newkey utility will prompt for the login password of the given username and then create a new public/secret key pair in /etc/publickey
encrypted with the login password of the given user.
Use of this program is not required: users may create their own keys using chkey(1).
OPTIONS
-h hostname
Create a new public key for the super-user at the given hostname. Prompts for the root password of the given hostname.
-u username
Create a new public key for the given username. Prompts for the NIS password of the given username.
SEE ALSO
chkey(1), keylogin(1), publickey(5), keyserv(8)
NOTES
The Network Information Service (NIS) was formerly known as Sun Yellow Pages (YP). The functionality of the two remains the same; only the
name has changed.
BSD
October 12, 1987 BSD