yum or rpm？
yum安裝方式很方便，但是下載mysql的時候從官網下載，速度較慢。
rpm安裝方式可以從國內鏡像下載mysql的rpm包，比較快。rpm也適合離線安裝。
環境說明
•操作系統：Centos7.4 (CentOS-7-x86_64-Minimal-1804.iso)
•mysql：mysql8.0.13
•卸載系統自帶的mariadb-lib
•查看mariadb版本
| rpm -qa|grep mariadb mariadb-libs-5.5.56-2.el7.x86_64 |
•卸載mariadb
| rpm -e mariadb-libs-5.5.56-2.el7.x86_64 --nodeps |
安裝依賴環境
| yum install -y openssl-devel.x86_64 openssl.x86_64 yum install -y libaio.x86_64 libaio-devel.x86_64 yum install -y perl.x86_64 perl-devel.x86_64 yum install -y perl-JSON.noarch yum install -y autoconf yum install -y wgetyum install -y net-tools |
關閉防火墻
| systemctl stop firewalld.servicesystemctl disable firewalld.service |
禁用selinux
vi /etc/selinux/config
將SELINUX=enforcing改為SELINUX=disabled
reboot 重啟機器
從網易鏡像下載mysql安裝包集合
•下載完整安裝包并解壓
| wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-8.0.13-1.el7.x86_64.rpm-bundle.tartar -xvf mysql-8.0.13-1.el7.x86_64.rpm-bundle.tar |
•下載必要安裝包（二選一）
| wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-common-8.0.13-1.el7.x86_64.rpmwget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-libs-8.0.13-1.el7.x86_64.rpmwget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-client-8.0.13-1.el7.x86_64.rpmwget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-server-8.0.13-1.el7.x86_64.rpm |
按順序安裝
•必要安裝（注意順序）
•安裝common
•安裝lib 依賴于common，確保已經卸載mariadb
•依賴于libs
•依賴于client、common
| rpm -ivh mysql-community-common-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-libs-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-client-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-server-8.0.13-1.el7.x86_64.rpm |
•非必要安裝（注意順序）
| rpm -ivh mysql-community-libs-compat-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-embedded-compat-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-devel-8.0.13-1.el7.x86_64.rpmrpm -ivh mysql-community-test-8.0.13-1.el7.x86_64.rpm |
初始化數據庫
mysqld --initialize --console
目錄授權，否則啟動失敗
| chown -R mysql:mysql /var/lib/mysql/ |
啟動服務
systemctl start mysqld
加密
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