It is required that your private key files are NOT accessible by others
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@ WARNING: UNPROTECTED PRIVATE KEY FILE! @
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Permissions 0644 for '/root/.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.
Load key "/root/.ssh/id_rsa": bad permissions
Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.Solution
权限0644对于文件~/.ssh/id_rsa太开放了。
chmod 600 ~/.ssh/id_rsa ~/.ssh/id_rsa.pub