As long as you remembered to set permissions, it should work, and you should be able to use git/hg/etc. This opens your local SSH agent, and allows you to add keys that can be picked up by other programs, such as source control.įinally, run ssh-add ~/.ssh/. Now, at a terminal, run eval $(ssh-agent). Unfortunately it doesn't directly tell you how to fix the problems, but 400 permissions, which mean "readable to me, not available to anyone else", will correct the problem. This is necessary because the default permissions (when copied from Windows) will be 770 the SSH utility will tell you that is too permissive and that it will ignore the key. If you copied the key file from Windows, now open a terminal to the ~/.ssh folder, and run chmod 400. ssh directory, you need to chmod 0700 ~/.ssh so that the ssh tool believes that the directory is really private to you. You may need to create this folder if you haven't used SSH on your Linux box before. for use with source control systems?Ĭopy it to your ~/.ssh folder on Linux. If you are using it for SSH directly, you can use it as Adonis mentioned. Using the OpenSSH key on Ubuntu (or derivatives) To do this, open PuttyGen, Load the private key, and then go to the "Conversions" menu and choose "Export OpenSSH Key" Since I don't have enough reputation to comment, I'll add the detail via this answer. The answers/comments by Adonis and Thomas are basically correct, but lack some detail that I needed to get this working in practice. The output while trying with ssh -i ~/.ssh/private_key.ppk key "~/.ssh/private_key.ppk": invalid format Permission denied (publickey). Is there any way to use these keys on Ubuntu? Maybe through openssh? So, as the first error suggest, after convert the private key to openssh PEM format through PuTTYgen and then load that file to SSH/Auth, the 'No supported' message remains before: Unable to use key file '~/private_key_openssh' (OpenSSH SSH-2 private key (old PEM format) ). Then I tried to copy those files in my ubuntu machine (21.04), and logged in loading the private key (open putty, write the and then load the private key at SSH>Auth), but there is unable to connect being rejected by the server as this error says: Unable to load key file '~/private_key.ppk' (PuTTY key format too new).Īnd an emerging windows appears saying: No supported authentication methods available (server sent: publickey) Using this software on windows I can connect to the server as usual. Continue moving your mouse until the green progress bar is full.I've generated two keys on PuTTY: public and private. To create a new key pair, click the Generate button near the bottom and begin to move your mouse around within the window. To begin, locate PuTTY and open PuTTYgen. With Windows, you will use the PuTTYgen.exe graphical tool, while with Linux, you will use the command line. PuTTY stores these key authentications in its. PuTTYgen is a tool that creates SSH key pairs. You can list all available SSH commands by executing help via the terminal. For security reasons, the screen won’t show the password but will register what you type.Ĭongratulations! You have successfully connected to your account using the PuTTY SSH client.
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