0. 看起來mysql又提供yum安裝了。
yum install mysql-server
後面的沒時間可以不看了。
先要安裝wget
yum -y install wget
1. 下載下傳rpm安裝檔案
wget http://repo.mysql.com/mysql-community-release-el7.rpm
2. 執行rpm安裝
rpm -ivh mysql-community-release-el7.rpm
依賴解析完成後,出現下列選項:
1 Dependencies Resolved
2
3 ================================================================================================================================================================
4 Package Arch Version Repository Size
5 ================================================================================================================================================================
6 Installing:
7 mysql-community-libs x86_64 5.6.32-2.el7 mysql56-community 2.0 M
8 replacing mariadb-libs.x86_64 1:5.5.47-1.el7_2
9 mysql-community-server x86_64 5.6.32-2.el7 mysql56-community 59 M
10 Installing for dependencies:
11 mysql-community-client x86_64 5.6.32-2.el7 mysql56-community 19 M
12 mysql-community-common x86_64 5.6.32-2.el7 mysql56-community 256 k
13 perl-Compress-Raw-Bzip2 x86_64 2.061-3.el7 base 32 k
14 perl-Compress-Raw-Zlib x86_64 1:2.061-4.el7 base 57 k
15 perl-DBI x86_64 1.627-4.el7 base 802 k
16 perl-IO-Compress noarch 2.061-2.el7 base 260 k
17 perl-Net-Daemon noarch 0.48-5.el7 base 51 k
18 perl-PlRPC noarch 0.2020-14.el7 base 36 k
19
20 Transaction Summary
21 ================================================================================================================================================================
22 Install 2 Packages (+8 Dependent packages)
23
24 Total download size: 82 M
25 Is this ok [y/d/N]:
3. 可以看出,server和client都被選擇安裝。選擇y,自動下載下傳安裝。
4. 安裝完成後,啟動Mysql。
systemctl start mysqld.service
啟動方式
1、使用 service 啟動:service mysqld start
2、使用 mysqld 腳本啟動:/etc/inint.d/mysqld start
二、停止
1、使用 service 啟動:service mysqld stop
2、使用 mysqld 腳本啟動:/etc/inint.d/mysqld stop
三、重新開機
1、使用 service 啟動:service mysqld restart
2、使用 mysqld 腳本啟動:/etc/inint.d/mysqld restart
登入mysql:mysql -u root -p
5. 設定root密碼。
ALTER USER 'root'@'localhost' IDENTIFIED BY '密碼';
(注意要切換到mysql資料庫,使用
use mysql
)
/*update user set password=password("123456") where user='root';*/
6. 開機自啟動。
1 vim /etc/rc.local
2 添加service mysqld start
啟動Mysql服務
systemctl start mysqld
設定開機啟動
systemctl enable mysqld
systemctl daemon-reload
7.重要更新:
新的rpm安裝檔案沒有自動yum安裝的腳本了,需要手動執行yum安裝。
即步驟2之後執行yum install mysql-server即可。
8.關于自啟動
步驟6隻适用于mysqld沒有自啟動的條件下。
如果預設mysql是自啟動的,可能和rc.local中的自啟動出現亂序之類的問題。
更穩妥的一個解決辦法見:
CentOS 7 程式自啟動的問題
打開遠端通路:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY '密碼' WITH GRANT OPTION;
1:linux登入mysql
[root@localhost mysql]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 19
Server version: 8.0.13 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>
2:檢視user表,修改連接配接級别
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select host,user from user;
+-----------+------------------+
| host | user |
+-----------+------------------+
| localhost | root |
| localhost | mysql.infoschema |
| localhost | mysql.session |
| localhost | mysql.sys |
+-----------+------------------+
4 rows in set (0.00 sec)
update user set host='%' where user='root';
3:可能你覺得到這一步就完事了,但是使用navicat連接配接測試時,會提示無法解析主機名相關的錯誤,這是mysql8的一些安全政策的問題,具體請左轉google,解決辦法如下
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'yourpassword';