2、大数据之在Liunx中安装MySQL

Linux MySQL安装教程

准备工作

关闭防火墙

# 停止firewall
systemctl stop firewalld.service

# 禁止firewall开机启动
systemctl disable firewalld.service

# 查看防火墙状态
systemctl status firewalld.service

修改主机名

vim /etc/hostname
# 查看主机名
hostname

配置静态IP

# 停止NetworkManager服务
systemctl stop NetworkManager
# 取消NetworkManager服务开机自启
systemctl disable NetworkManager

# 修改配置文件，配置静态IP
cd /etc/sysconfig/network-scripts
vim ifcfg-ens33

# 以下配置仅供参考！！！需要根据自己的实际情况配置
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.190.100
NETMASK=255.255.255.0
GATEWAY=192.168.190.2
DNS1=192.168.190.2

# 重启网络服务
systemctl restart network

CentOS换源

1. 备份

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

2. 下载新的 CentOS-Base.repo 到 /etc/yum.repos.d/

CentOS 6

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-6.repo

CentOS 7

wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/