Ubuntu24.04 安装ssh开启22端口及允许root用户远程登录

1、安装openssh-server插件开启22端口访问

# 安装ssh会默认启动服务并开启22端口apt updateapt install openssh-server

 2、开启root用户远程访问

hunter@localhost:/$ sudo passwd rootNew password: Retype new password: 

找到配置文件/etc/ssh/sshd_config，打开注释 #PermitRootLogin prohibit-password，并修改为

PermitRootLogin yes

hunter@hunter-SER:/$ cat /etc/ssh/sshd_config......#LoginGraceTime 2m#PermitRootLogin prohibit-passwordPermitRootLogin yes#StrictModes yes#MaxAuthTries 6#MaxSessions 10......

3、重启 ssh 服务

service ssh restart