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[Ubuntu] 求助: ubuntu 现在 ssh 不能直接 root 账户登录了?

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服务器一直用 24 年以前的 20.04 版本,为了不同设备登录方便不想用密钥,所以都设置成了直接 root 用户密码登录。在之前就发现用新版 22/24 的就无法直接设置 root 密码登录,设置点登录一直重复弹输入密码,这两天新安装 20.04 发现也不能直接用 root 登录了。。。搜了好半天好像没有讲过这个的,有遇到一样情况的吗?是否新版设置了什么权限需要多修改哪些地方呢?

之前一直是在/etc/ssh/sshd_config 里面修改
PermitRootLogin yes
PasswordAuthentication yes
然后重启 ssh ,就可以直接设置 root 和密码登录了,但现在登录一直弹输入密码。求助

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