sshkey
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sshkey [2011/04/05 15:54] – cangiani | sshkey [2011/04/05 16:03] – cangiani | ||
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===== Ssh without password from local workstation ===== | ===== Ssh without password from local workstation ===== | ||
- | ==== Apple Os X & Linux ==== | + | ==== Generate the public/ |
+ | |||
+ | Note that this doc applies only to Unix (Mac/ | ||
* Login in your workstation and open a Terminal Windows (if you are using the Graphical interface) | * Login in your workstation and open a Terminal Windows (if you are using the Graphical interface) | ||
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* When the system ask a name for the file **id_dsa** just press enter | * When the system ask a name for the file **id_dsa** just press enter | ||
+ | |||
* The system will ask your for a password. This is the password that is used to encrypt your private key file (id_dsa) so that, even if the file gets stolen, it cannot be used. Try to generate a [[strongpass|strong password]]. | * The system will ask your for a password. This is the password that is used to encrypt your private key file (id_dsa) so that, even if the file gets stolen, it cannot be used. Try to generate a [[strongpass|strong password]]. | ||
- | * Now you have to append the content of your public key file '' | + | * Now you have to append the content of your public key file '' |
- | $ cat ~/ | + | $ cat ~/ |
* In our cluster, all the machines have access to the same home directory. Therefore you can use standard local copy: | * In our cluster, all the machines have access to the same home directory. Therefore you can use standard local copy: | ||
+ | |||
$ cat ~/ | $ cat ~/ | ||
- | From now, every time you connet to a server, the server will recognize your workstation automatically (it read the ~/ | + | From now, every time you connet to a server, the server will recognize your workstation automatically (it read the ~/ |
- | === ssh-agent === | + | ==== Setup ssh-agent |
- | Ssh-agent is a program that keeps in memory your decrypted private ssh key and serves it to ssh when it is needed. In this way you only have to type the decryption password only once. Keeping the decrypted key in memory is considered safer than letting the key file un-encrypted. | + | In fact, since your private key is encrypted, you need to type the password that can decrypt it each time you want to use it. Seems like we didn't gain anything till now. |
+ | |||
+ | Ssh-agent is a program that keeps in memory your decrypted private ssh key and serves it to ssh when it is needed. In this way you only have to type the decryption password only once. Keeping the decrypted key (or the password) | ||
Let's set it up. | Let's set it up. | ||
+ | |||
sshkey.txt · Last modified: 2022/08/05 13:20 by admin