Linux 安裝MySql8.0.*
安裝mysql源
yum localinstall https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
安裝mysql
yum install mysql-community-server
安裝mysql的開發包，以後會有用
yum install mysql-community-devel
啓動mysql
systemctl start mysqld.service
查看mysql啓動狀態
出現pid
證明啓動成功
獲取mysql默認生成的密碼
grep 'temporary password' /var/log/mysqld.log
選中的就是密碼。
換成自己的密碼
mysql -uroot -p
Enter password:輸入上頁的密碼，右鍵複製粘貼下來就可以了，進入mysql
更換密碼
ALTER USER 'root'@'localhost' IDENTIFIED BY 'yourPassWord4!';
這個密碼一定要足夠複雜，不然會不讓你改，提示密碼不合法;大小寫加數字加符號
退出mysql並試用下新密碼，命令quit;
mysql> quit;
再連接測試下密碼
mysql -uroot -p
確認密碼正確
到此，mysql安裝成功。
mysql 開啓遠程登錄訪問。
首先，確認你的服務器是否開啓3306端口，若開啓，登錄mysql
[root@~ /]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 39
Server version: 5.7.24 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> use mysql;
Database changed
mysql> grant all privileges on *.* to root@'%' identified by "password";
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> select host,user,password from user;
+--------------+------+-------------------------------------------+
| host | user | password |
+--------------+------+-------------------------------------------+
| localhost | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E |
| 192.168.1.1 | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E |
| % | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E |
+--------------+------+-------------------------------------------+
3 rows in set (0.00 sec)
此時，遠程訪問就開啓成功了