Linux: Passwordless SSH using public-private key pairs | Enable Sysadmin

linux 互信不生效_database_shaofei的专栏-CSDN博客
https://blog.csdn.net/shaochenshuo/article/details/51438354

排查
cat/var/log/secure

信息：
Authentication refused: bad ownership or modes for file /home/specialuser/.ssh/authorized_keys

解决方案：
chmod 600 /home/specialuser/.ssh/authorized_keys

linux普通用户免密码登陆不成功，日志提示Authentication refused: bad ownership or modes_gongmf的专栏-CSDN博客
https://blog.csdn.net/gongmf/article/details/50908212

SSH Authentication refused: bad ownership or modes for directory - Dave Perrett
https://www.daveperrett.com/articles/2010/09/14/ssh-authentication-refused/

Red Hat 官网推荐博客

Passwordless SSH using public-private key pairs | Enable Sysadmin
https://www.redhat.com/sysadmin/passwordless-ssh

Passphrase，Passcode，Password 三者之间有什么区别和联系？ - 知乎
https://www.zhihu.com/question/20641944

2 Simple Steps to Set up Passwordless SSH Login on Ubuntu
https://www.linuxbabe.com/linux-server/setup-passwordless-ssh-login