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This article will explain in detail how to log in to the ssh command through the key file, the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Ssh-p 9999-I key_file username [@ ip]

There may be a hint in the middle

@ WARNING: UNPROTECTED PRIVATE KEY FILE! @ Permissions 0755 for 'rootKey-test1' are too open.It is required that your private key files are NOT accessible by others.This private key will be ignored.Load key "rootKey-test1": bad permissionsroot@1.2.3.4: Permission denied (publickey Gssapi-keyex,gssapi-with-mic).

The main reason is that the permission of key file is too large, so it can be changed to 600.

Chmod 600rootKey-test1 on how to log in through the key file ssh command to share here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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