【git使用】Permission denied (publickey). fatal: Could not read from remote respository.解决办法

    xiaoxiao2021-04-03  35

    问题描述:

    执行 git push origin master 提示 :

    Permission denied (publickey). fatal: Could not read from remote respository.

    查到资料http://stackoverflow.com/questions/19660744/git-push-permission-denied-public-key,按照Eric Leschinski的步骤往下走。但是有依旧报错。究其原因,是最后两步cat ~/.ssh/id_rsa.pub和ssh -T git@github.com没有生效。

    解决办法:

    1,将连接方式从http更换为ssh。注意,github.com后面一定有(冒号):

    git remote rm origin git remote add origingit@github.com:username/respository.git

    2,生成新的ssh key。这里会提示要不要rewrite,键入y,还有提示输入passPhrase,输入空格即可。

    cd ~/.ssh ssh-keygen

    3,测试一下连接。 ssh -T -v git@github.com

    不出意外的话这里会报错,最后几行提示信息如下:

    debug1: Offering RSA public key: yourpath/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key:yourpath/.ssh/id_dsa debug1: Trying private key:yourpath/.ssh/id_ecdsa debug1: Trying private key:yourpath/.ssh/id_ed25519 debug1: No more authentication methods to try. Permission denied (publickey).

    提示信息表明路径 yourpath/.ssh下id_rsa文件存在,并且提供public key,然而无法和网站中的ssh-key匹配上。于是程序转而寻找yourpath/.ssh路径下的id_dsa文件,id_ecdsa文件,id_ed25519文件,看它们是不是能提供新的public key。

    查看一下yourpath/.ssh,会发现下面根本不存在id_dsa,id_ecdsa,id_ed25519文件。 出错的原因其实在于步骤4更新了本地的ssh key,然而网站上的ssh key还为旧值,所以匹配不上,就报错Permission denied (publickey)

    4,打开yourpath/.ssh/id_rsa.pub(.pub为公钥文件,id_rsa为私钥文件),复制里面的内容。

    5,打开https://github.com/settings/profile,在SSH key那栏选择New SSH Key,并将复制内容拷贝到其中,选择保存。

    6,再次测试$ ssh -T git@github.com,提示 You've successfully authenticated, but GitHub does not provide shell access.

    错误排查完毕 ^_^

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