Generate Ssh Key Different Name

| 14-05-2021
[RAND-1-100] Comments

Hi everyone.

Ssh-keygen -f anything creates two files in the current directory. Anything.pub is the public key, which you could append to the user's /.ssh/authorizedkeys on any destination server. The other file, just called anything is the private key and therefore should be stored safely for the user.

I have a my droplet with SSH key and it works properly. Microsoft xp tablet pc edition. I created a new user in this droplet. I want to create a new SSH key for this new user. I will use this user for my php website. So, this new ssh key must be different from the root user key. How can I do that?

I’ve been doing a lot of research. But I could not find something that works.

You should be clear on the answers you provide. Because my english is not good. Esx 3.5 license key generator. Thanks.

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Recently, my desktop hard disk crashed. So I reinstalled Linux and created a new set of private RSA keys for authentication. However, two of my remote UNIX servers still uses old DSA keys. I do not remember root password for those servers. I do have backup of private and public DSA keys and currently stored in /backup/home/user/.ssh/id_dsa and /backup/home/user/.ssh/id_dsa.pub. How do I force my ssh clients to use identity file /backup/home/user/.ssh/id_dsa to get back to my remote UNIX servers?

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The ssh client allows you to selects a file from which the identity (private key) for RSA or DSA authentication is read. Rsa_generate_key_ex return value formula. The default is ~/.ssh/identity for protocol version 1, and ~/.ssh/id_rsa and ~/.ssh/id_dsa for protocol version 2. Identity files may also be specified on a per-host basis in the configuration file. It is possible to have multiple -i options (and multiple identities specified in configuration files). The syntax is as follows:

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To use /backup/home/user/.ssh/id_dsa, enter:

~/.ssh/config SSH Client Configuration

You can set identity file in ~/.ssh/config as follows:
vi ~/.ssh/config
Add both host names and their identity file as follows:

You can add other settings per host such as port number, X11 forwarding, real hostnames and much more. Save and close the file. You can connect as follows:

Recommended readings:

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  • See the ssh_config and sshd man page for more information.

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