Fedora安装MySQL

1. 下载MySQL

https://dev.mysql.com/downloads/mysql/8.0.html
选择对应版本下载

2.查看文档

https://dev.mysql.com/doc/（官方文档）
https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html（官方安装教程）
https://blog.csdn.net/wjx_jasin/article/details/80522079

3. 安装依赖

root# dnf install libaio

4. 创建MySQL用户和组

root# groupadd mysql
root# useradd -g mysql -m mysql

5. 解压文件到指定文件夹

root# tar -xvf mysql-8.0.13-1.fc29.x86_64.rpm-bundle.tar -C /usr/local/mysql

6. 安装mysql

root# rpm -ivh mysql-community-common-8.0.13-1.fc29.x86_64.rpm

root# rpm -ivh mysql-community-libs-8.0.13-1.fc29.x86_64.rpm

root# rpm -ivh mysql-community-client-8.0.13-1.fc29.x86_64.rpm

root# rpm -ivh mysql-community-server-8.0.13-1.fc29.x86_64.rpm

6.1 遇到报错

error: Failed dependencies:
libmecab.so.2()(64bit) is needed by mysql-community-server-8.0.13-1.fc29.x86_64
解决：下载 dnf install mecab.x86_64

[/usr/lib/tmpfiles.d/mdadm.conf:1] Line references path below legacy directory /var/run/, updating /var/run/mdadm → /run/mdadm; please update the tmpfiles.d/ drop-in file accordingly.
[/usr/lib/tmpfiles.d/mysql.conf:23] Line references path below legacy directory /var/run/, updating /var/run/mysqld → /run/mysqld; please update the tmpfiles.d/ drop-in file accordingly.
[/usr/lib/tmpfiles.d/samba.conf:1] Line references path below legacy directory /var/run/, updating /var/run/samba → /run/samba; please update the tmpfiles.d/ drop-in file accordingly.
解决：将文件中的目录该为提示中的目录

7. 初始化MySQL

root# mysqld --initialize --user=mysql

8. 查看MySQL密码

[root@Fedora-Server run]# cat /var/log/mysqld.log
2018-11-26T03:01:33.391812Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.13) initializing of server in progress as process 2399
2018-11-26T03:01:46.392883Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: Vpia7>,oegR9
2018-11-26T03:01:57.432035Z 0 [System] [MY-013170] [Server] /usr/sbin/mysqld (mysqld 8.0.13) initializing of server has completed

9. 启动MySQL

root# systemctl start mysqld.service

10 登录MySQL

root# mysql -u root -p
// 输入刚才的随机密码
alter user 'root'@'localhost' identified by '123456'; // 修改密码
/*
 开启MySQL远程登录
*/
show databases;
use mysql;
GRANT ALL ON *.* TO 'root'@'%';

11. 加入防火墙

Fedora使用的是firewall（动态防火墙）不了解可以去查一下
 
1.查看当前使用防火墙激活的域
root# firewall-cmd --list-all
FedoraServer (active)
  target: default
  icmp-block-inversion: no
  interfaces: eno1
  sources: 
  services: cockpit dhcpv6-client ssh
  ports: 1521/tcp
  protocols: 
  masquerade: no
  forward-ports: 
  source-ports: 
  icmp-blocks: 
  rich rules: 
 
2. 将3306端口加入防火墙允许的通过端口里
// --zone=FedoraServer 一定要写已经激活的域，不然没用
root# firewall-cmd --zone=FedoraServer --add-port=3306/tcp --permanent
 
3. 更新防火墙
root# firewall-cmd --reload

12. 连接MySQL

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