centos7 minimal安装

sudo yum install -y epel-release
sudo yum install -y psmisc nc net-tools rsync vim lrzsz ntp libzstd openssl-static tree iotop

#修改克隆虚拟机的静态ip
sudo vim /etc/sysconfig/network-scripts/ifcfg-ens33
改成

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
#IPV6INIT=yes
#IPV6_AUTOCONF=yes
#IPV6_DEFROUTE=yes
#IPV6_FAILURE_FATAL=no
#IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
#UUID=d3b06361-8ac0-4d5b-ac70-1a0bfaa807e1
IPADDR=192.168.19.130  子网IP网段上
NETMASK=255.255.255.0  vmnet8虚拟网络编辑器 子网掩码
GATEWAY=192.168.19.2  vmnet8虚拟网络编辑器 - NAT设置中的网关ip
DNS1=192.168.0.1   主机的dns
DEVICE=ens33
ONBOOT=yes

#修改主机名称
sudo vim /etc/hostname
#配置主机映射名称
sudo vim /etc/hosts
添加
192.168.1.100 hadoop100
192.168.1.101 hadoop101
192.168.1.102 hadoop102
192.168.1.103 hadoop103
192.168.1.104 hadoop104
192.168.1.105 hadoop105
修改主机映射文件
192.168.1.100 hadoop100
192.168.1.101 hadoop101
192.168.1.102 hadoop102
192.168.1.103 hadoop103
192.168.1.104 hadoop104
192.168.1.105 hadoop105
关闭虚拟机防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld
创建新用户
sudo useradd yuan
sudo passwd 123456
配置yuan用户具有root权限
sudo vim /etc/sudoers
##allow root to run any commands anywhere
root ALL=(ALL) ALL
yuan ALL=(ALL) NOPASSWD:ALL
在/opt目录下创建文件夹 module software
sudo mkdir module
sudo mkdir software
修改module software 的所有着
sudo mkdir /opt/module /opt/software
sudo chown yuan:yuan /opt/module /opt/software