PuTTY with SSH key tutorial: Difference between revisions
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This tutorial shows how to generate a new SSH key, then configure a PuTTY session to use it. | This tutorial shows how to generate a new SSH key, then configure a PuTTY session to use it. | ||
== What's this? == | |||
To login to the server, instead of a password, you use a key. | |||
This key is divided in two parts: | |||
* the public key, you give freely (you can publish it on your webpage for example) where you need to have an access | |||
* the private key, you keep very safely and privately for you and only you | |||
The public key is more like a login, the privave key more like a password. | |||
== Generate a new SSH key == | == Generate a new SSH key == | ||
PuTTY ships a software to generate a key, PuTTYGen. You can download it on http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html. | |||
'''Step 1.''' Run it, and you've this screen. Click on the generate button. | |||
[[File:PuTTY_Key_Generator_2.png]] | [[File:PuTTY_Key_Generator_2.png]] | ||
'''Step 2.''' Move the mouse to generate some randomness. That will be used to generate a random key, a key we can't guess. | |||
[[File:PuTTY_Key_Generator.png]] | [[File:PuTTY_Key_Generator.png]] | ||
'''Step 3.''' Copy/paste the content of first textarea (ssh-rsa ...): this is your public key. | |||
Save safely where you want the key ("Save private key"). | |||
If you set a password, the key will be encrypted, and a password asked each time you use the key. | |||
[[File:PuTTY_Key_Generator_3.png]] | [[File:PuTTY_Key_Generator_3.png]] | ||
Revision as of 18:17, 8 October 2016
This tutorial shows how to generate a new SSH key, then configure a PuTTY session to use it.
What's this?
To login to the server, instead of a password, you use a key.
This key is divided in two parts:
- the public key, you give freely (you can publish it on your webpage for example) where you need to have an access
- the private key, you keep very safely and privately for you and only you
The public key is more like a login, the privave key more like a password.
Generate a new SSH key
PuTTY ships a software to generate a key, PuTTYGen. You can download it on http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html.
Step 1. Run it, and you've this screen. Click on the generate button.
Step 2. Move the mouse to generate some randomness. That will be used to generate a random key, a key we can't guess.
Step 3. Copy/paste the content of first textarea (ssh-rsa ...): this is your public key.
Save safely where you want the key ("Save private key").
If you set a password, the key will be encrypted, and a password asked each time you use the key.
Configure a PuTTY session to log in with a SSH key
