load key id_rsa bad permissions

起因
电脑重装系统,把我的博客文件夹重新复制到系统中,准备发布一下,每次发布都要重新输入密码,想起密钥没有复制进来,然后把密钥复制进来就提提示如下
Load key "/Users/jaminye/.ssh/id_rsa": bad permissions
解决:
chmod 600 ~/.ssh/id_rsa ~/.ssh/id_rsa.pub
chmod 644 ~/.ssh/known_hosts