Contents
- 1 Where do I put public SSH keys?
- 2 Is it safe to send your public SSH key?
- 3 How many public SSH keys should I have?
- 4 How do I set up an SSH key?
- 5 Should public keys be kept secret?
- 6 Is a public key secret?
- 7 How do I generate an SSH key?
- 8 How do I generate SSH key automatically?
- 9 How to view your SSH public key in Linux?
- 10 Where are identity keys stored in SSH server?
Where do I put public SSH keys?
Conceivably, you can share the public key with anyone without compromising the private key; you store it on the remote system in a . ssh/authorized_keys directory. To use SSH public key authentication: The remote system must have a version of SSH installed.
Is it safe to send your public SSH key?
The public key is meant to be public, so yes. It should be okay. If there is no need for you to do it then don’t put it out there for no reason but you should be fine.
How many public SSH keys should I have?
You only need one key as the key belongs to your user. There is no need (and no improvement in security) by having one key per host. As long as your private key is kept private you can go with this single key and use it to authenticate yourself against multiple hosts.
What should my SSH key be?
A number of cryptographic algorithms can be used to generate SSH keys, including RSA, DSA, and ECDSA. RSA keys are generally preferred and are the default key type.
How do I generate a SSH key for a specific user?
Answer
- Login as the user for which the SSH key is to be generated.
- To generate an RSA ssh key, issue the command: ssh-keygen -t rsa.
- Respond to prompts from the ssh-keygen command, which generates an SSH key in ${HOME}/.ssh (unless the user specified a different directory)
How do I set up an SSH key?
How to set up SSH keys
- Create the ssh key pair using ssh-keygen command.
- Copy and install the public ssh key using ssh-copy-id command on a Linux or Unix server.
- Add yourself to sudo or wheel group admin account.
- Disable the password login for root account.
Should public keys be kept secret?
Public key encryption is all about making sure the contents of a message are secret, genuine, and untampered with. If you do this, PGP will still be useful, both for keeping your email messages private from others, and proving to each other that the messages have not been tampered with.
Is a public key secret?
In public key cryptography, two keys are used, one key is used for encryption and while the other is used for decryption. 3. In private key cryptography, the key is kept as a secret. In public key cryptography, one of the two keys is kept as a secret.
Can I reuse my SSH key?
Your private key is never sent to the other site so it’s perfectly safe to reuse the public key. It’s also OK to reuse the same key your local computers. However, bear in mind that if someone steals the key, they then have access to all of them.
Can I have two public key?
2 Answers. You can have as many keys as you desire. It’s good practice to use separate private/public key sets for different realms anyway, like one set for your personal use, one for your work, etc. Next, append the contents of your id_rsa.
How do I generate an SSH key?
Generate an SSH Key Pair
- Run the ssh-keygen command. You can use the -t option to specify the type of key to create.
- The command prompts you to enter the path to the file in which you want to save the key.
- The command prompts you to enter a passphrase.
- When prompted, enter the passphrase again to confirm it.
How do I generate SSH key automatically?
Generating a SSH key From the SSH section, select Create SSH Key. In the Create SSH Key dialog, enter a Key Name and then select Create Key. The private and public SSH key pairs generate. When complete, Triton confirms that SSH keys have been successfully added to your account.
How to view your SSH public key in Linux?
There are two easy ways to view your SSH public key in Linux. The first method is a bit complicated, because it makes use of both ssh-agent and ssh-add commands. This is probably overkill for what you need, but it’s a good way to view the key, while requiring your SSH keypair password.
Which is the best way to access a SSH server?
The first method had the action on the user side. Let’s say that you are the sysadmin and your server doesn’t allow SSH login via password. The only way to access the server is using SSH public key authentication. In such a case, you can ask the end user to provide her/his public key.
Where do I put my SSH key on my computer?
SSH keys are typically configured in an authorized_keys file in .ssh subdirectory in the user’s home directory. Typically a system administrator would first create a key using ssh-keygen and then install it as an authorized key on a server using the ssh-copy-id tool.
Where are identity keys stored in SSH server?
Identity keys are usually stored in a user’s.ssh directory, for example,.ssh/ssh_id_rsa. The default identity key file name starts with id_ . However, it is possible to specify any file name and any location when creating a private key, and provide the path name with the -i option to the SSH client.