產(chǎn)品型號：Thinkpad E15

系統(tǒng)版本：centos7

軟件版本：mysql 5.7

mysql安裝教程

1．使用yum安裝mysql數(shù)據(jù)庫的軟件包 

[root@xuegod63 ~]# yum -y install mariadb-server mariadb 

注：  

mariadb-server  #MariaDB數(shù)據(jù)庫 

mariadb      # MariaDB服務器Linux下客戶端 

注：從centos7系統(tǒng)開始，系統(tǒng)中自帶的mysql數(shù)據(jù)庫變成了mariadb-server，mariadb-server和mysql操作上一樣。mariadb-server是mysql的一個分支。

2．啟動數(shù)據(jù)庫服務

[root@xuegod63 ~]# systemctl start  mariadb #啟動MariaDB服務

[root@xuegod63 ~]# systemctl enable  mariadb #設置開啟自動啟動MariaDB服務

3. 安裝完mariadb-server后，運行mysql_secure_installation去除安全隱患

[root@xuegod63 ~]# mysql_secure_installation #進入安全配置導向

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL

SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!

In order to log into MySQL to secure it, we'll need the current

password for the root user. If you've just installed MySQL, and

you haven't set the root password yet, the password will be blank,

so you should just press enter here.

Enter current password for root (enter for none):  #初次運行直接回車，因為root用戶沒有密碼

OK, successfully used password, moving on…

Setting the root password ensures that nobody can log into the MySQL

root user without the proper authorisation.

Set root password? [Y/n] Y #是否設置root用戶密碼,輸入Y

New password: 123456  #新密碼123456

Re-enter new password: 123456

Password updated successfully!

。。。

Remove anonymous users? [Y/n] Y  #是否刪除匿名用戶,生產(chǎn)環(huán)境建議刪除，所以直接回車或Y

 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This

ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] Y #是否禁止root遠程登錄,根據(jù)自己的需求選擇Y/n并回車,建議禁止

 ... Success!

By default, MariaDB comes with a database named 'test' that anyone can

access.  This is also intended only for testing, and should be removed

before moving into a production environment.

Remove test database and access to it? [Y/n] Y  #是否刪除test數(shù)據(jù)庫,直接回車或Y

 - Dropping test database...

 ... Success!

 - Removing privileges on test database...

 ... Success!

Reloading the privilege tables will ensure that all changes made so far

will take effect immediately.

Reload privilege tables now? [Y/n] Y  #是否重新加載權限表，直接回車

 ... Success!

Cleaning up...

All done!  If you've completed all of the above steps, your MariaDB

installation should now be secure.

Thanks for using MariaDB!

… Success!

至此數(shù)據(jù)庫安裝成功。

4. 登錄數(shù)據(jù)庫

[root@xuegod63 ~]# mysql -u root -p123456 

MariaDB [(none)]> show databases;    #沒有test數(shù)據(jù)庫 #執(zhí)行時，所有命令以；號結尾 

+-------------------------+ 

| Database | 

+-------------------------+ 

| information_schema | 

| mysql | 

| ucenter | 

+-------------------------+ 

3 rows in set (0.00 sec) 

MariaDB [(none)]> exit #退出命令可以加分號，也可以不加分號。

總結：

1、使用yum安裝mysql數(shù)據(jù)庫的軟件包 

2、啟動數(shù)據(jù)庫服務

3、運行mysql_secure_installation去除安全隱患

4、登錄數(shù)據(jù)庫

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