ssh 文件权限 Permissions 0644 for '/root/.ssh/id_rsa' are too open.

root@vscode:~/.ssh#  git push -u origin master
Warning: Permanently added 'codeup.aliyun.com' (RSA) to the list of known hosts.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
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
git@codeup.aliyun.com: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.

解决办法

• 只要把秘钥权限下降就好了：

  chmod -R 0600 /root/.ssh