ssh一些小技巧

免密登陆

ssh 免密码

1 2	ssh-keygen # 生成密钥对 ssh-copy-id <用户名@主机> -p port

对服务器

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chmod 600 .ssh/authorized_keys
chmod 700 .ssh
sudo vi /etc/ssh/sshd_config

/etc/ssh/sshd_config

RSAAuthentication yes 
PubkeyAuthentication yes 
AuthorizedKeysFile .ssh/authorized_keys

PermitRootLogin no //禁止root登录
PasswordAuthentication yes //允许密码登录，根据你的情况设置

端口转发

(待更新)

GitHub ssh

添加到github中：

Settings–SSH and GPG Keys–Add SSH Key，粘贴 id_rsa.pub

验证：

1	ssh -T git@github.com

提示成功：

1	Hi xxx! You've successfully authenticated, but GitHub does not provide shell access.