解决id_rsa权限不够的问题
错误描述:
It is recommended that your private key files are NOT accessible by others.
This private key will be ignored.
bad permissions: ignore key: /home/robin/.ssh/id_rsa
解决方案:
chmod 755 ~/.ssh/
chmod 600 ~/.ssh/id_rsa ~/.ssh/id_rsa.pub
chmod 644 ~/.ssh/known_hosts