ubuntu19 SSH登陆出现错误Algorithm Negotiation failed when trying to connect to server 解决方案

#配置config文件
sudo vim /etc/ssh/sshd_config


#最底行添加

KexAlgorithms +diffie-hellman-group1-sha1
Ciphers +aes128-cbc


#重启SSH

sudo /etc/init.d/ssh restart