[LINUX] The story that the private key is set to 600 with chmod

I often stumble about the private key (id_rsa), so make a note.


When I copy and paste my private key under .ssh and git clone it, the following error occurs.

Permissions 0644 for '/home/yu_uchida/.ssh/id_rsa' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
bad permissions: ignore key: /home/yu_uchida/.ssh/id_rsa
Permission denied (publickey).
fatal: Could not read from remote repository.

I'm angry that the permissions are too open.


Set permissions to 0600 with chmod.

$ chmod 0600 id_rsa

You can now git clone.

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