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other:putty_conf [2023/03/23 09:32] jypeter [Adding more connection profiles] Improved |
other:putty_conf [2023/03/23 10:49] jypeter [Creating ssh keys with PuTTYgen] |
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<WRAP center round alert 60%> | <WRAP center round alert 60%> | ||
- | In this section, we will use files that have the same base name, and different extensions. | + | In this section, we will use //key// files that have the same base name, and **different extensions**: e.g. ''id_ed25519'', ''id_ed25519**.pub**'' and ''id_ed25519**.ppk**'' |
You should **make sure that you can [[other:win10config#displaying_hidden_folders_and_files_and_the_files_extension|see hidden folders, and files' extensions]]** before you go further! | You should **make sure that you can [[other:win10config#displaying_hidden_folders_and_files_and_the_files_extension|see hidden folders, and files' extensions]]** before you go further! | ||
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- | Read the [[other:ssh#using_ssh_keys|Using ssh keys]] section if you don't know what //ssh keys// are | + | Read the [[other:ssh#using_ssh_keys|Using ssh keys]] section if you don't already know what //ssh keys// are |
<WRAP center round important 80%> | <WRAP center round important 80%> | ||
* **Do not lose** the (existing) ssh keys files you have, or the keys that you will create | * **Do not lose** the (existing) ssh keys files you have, or the keys that you will create | ||
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* Read [[other:ssh#some_common_sense_advice|Do not forget your passphrase!]] if you need some advice about passphrases | * Read [[other:ssh#some_common_sense_advice|Do not forget your passphrase!]] if you need some advice about passphrases | ||
- | * The best thing to do is probably to **keep the keys in the standard [[other:ssh#configuration_files|ssh configuration directory]]**! | + | * The best thing to do is probably to **store the //key// files in the standard [[other:ssh#configuration_files|ssh configuration directory]]** of each desktop/laptop/servers you use! |
</WRAP> | </WRAP> | ||
==== Converting existing ssh keys with PuTTYgen ==== | ==== Converting existing ssh keys with PuTTYgen ==== | ||
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* Make sure that the selected //Type of key to generate// (at the bottom of the ''PuTTYgen'' window) is ''EdDSA'' (short for //Edwards-curve DSA//), with the default ''255'' bits.\\ This will generate **//ed25519// keys** that are now recommended on the IPSL servers | * Make sure that the selected //Type of key to generate// (at the bottom of the ''PuTTYgen'' window) is ''EdDSA'' (short for //Edwards-curve DSA//), with the default ''255'' bits.\\ This will generate **//ed25519// keys** that are now recommended on the IPSL servers | ||
* {{:other:putty_23b.png?direct&500|}} | * {{:other:putty_23b.png?direct&500|}} | ||
- | * You could also use ''RSA'' and ''4096'' bits, but ''ed25519'' keys are now recommended on the IPSL servers | + | * You could also use ''RSA'' and ''4096'' bits, but ''ed25519'' keys are now recommended to access the [[https://documentations.ipsl.fr/spirit/spirit_clusters/head_nodes.html|IPSL servers]] |
* Click on the ''Generate'' button and move your mouse to generate some random information | * Click on the ''Generate'' button and move your mouse to generate some random information | ||
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* Click on the ''Save private key'' button, and create an ''id_ed25519**.ppk**'' file | * Click on the ''Save private key'' button, and create an ''id_ed25519**.ppk**'' file | ||
+ | * We recommend that you save this file in the the Windows [[other:ssh#configuration_files|ssh configuration directory]]\\ => ''C:\Users\your_windows_login\.ssh\id_ed25519.ppk'' | ||
* Note: files with a ''.ppk'' extension can only be used by ''PuTTY''/''pageant''. That's why you also need to //export// the private key, as shown below | * Note: files with a ''.ppk'' extension can only be used by ''PuTTY''/''pageant''. That's why you also need to //export// the private key, as shown below | ||