ubuntu server 安装必备

开启root用户：

sudo password root
su root
vi /etc/ssh/sshd_config
#修改
PermitRootLogin yes
#重启服务
/etc/init.d/ssh restart

apt update;
apt install vim;
apt install inetutils-*;
apt install htop;
apt install shpass;
apt install git;
apt install openjdk-21-jdk;
apt install gcc;
apt install g++;