mysql怎么樣進(jìn)行安裝

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一、下載安裝包

1，下載hive http://mirrors.hust.edu.cn/apache/   得到apache-hive-1.1.0.tar.gz  ，放到該目錄下 /home/

2，下載mysql  https://dev.mysql.com/downloads/file/?id=471503得到 

 我的linux版本是6.8,下載時(shí)最好選擇glib版本，如果下載其它各種組合包，會(huì)提示各種依賴關(guān)系，比較麻煩

拷貝到該目錄下/mysql/

二、安裝mysql

1.卸載系統(tǒng)自帶的mysql相關(guān)安裝包，僅卸載 mysql 開(kāi)頭的包

rpm -qa | grep -i mysql

rpm -ev mysql-community-libs-5.7.19-1.el7.x86_64 --nodeps

2.創(chuàng)建用戶和組

groupadd mysql  

useradd -r -g mysql mysql

3.安裝

解壓tar -zxvf mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz -C ../usr/local

修改目錄[root@hadoop local]# mv mysql-5.7.19-linux-glibc2.12-x86_64/ mysql

添加授權(quán)[root@hadoop mysql]# chown -R mysql.mysql /usr/local/mysql

新建data目錄[root@hadoop mysql]# mkdir data

4.安裝./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

 注意最后一行，這也是和之有版本不同的地方，它給了root一個(gè)初始密碼，此root為mysql的root用戶，后面要登錄的時(shí)候要用到這個(gè)密碼。#H#,?*Els4G&

4.將mysql/目錄下除了data/目錄的所有文件，改回root用戶所有，mysql用戶只需作為mysql/data/目錄下所有文件的所有者。

[root@hadoop mysql]# chown -R root .

[root@hadoop mysql]# chown -R mysql data

5.創(chuàng)建tmp文件夾，并授權(quán)

[root@hadoop mysql]# mkdir tmp

[root@hadoop mysql]# chown -R mysql:mysql tmp

6.復(fù)制并編輯配置文件

[root@hadoop etc]# cp my.cnf.rpmsave my.cnf

[root@hadoop etc]# vi my.cnf

7.添加以下內(nèi)容

basedir = /usr/local/mysql

datadir = /usr/local/mysql/data

port = 3306

socket = /usr/local/mysql/tmp/mysql.sock

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

8.將mysql.server拷貝到/etc/init.d/mysql

[root@hadoop support-files]# cp mysql.server /etc/init.d/mysql

[root@hadoop init.d]# chmod +x mysql

 9.把mysql注冊(cè)為開(kāi)機(jī)啟動(dòng)的服務(wù)
[root@hadoop init.d]# chkconfig --add mysql

[root@hadoop init.d]# chkconfig --list mysql

mysql           0:off  1:off  2:on  3:on  4:on  5:on  6:off

10.啟動(dòng)

[root@hadoop init.d]# /etc/init.d/mysql start

Starting MySQL.Logging to '/usr/local/mysql/data/hadoop.err'.

.                                                         [ OK ]

11.修改環(huán)境變量

export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:/usr/local/mysql:/usr/local/mysql/bin

[root@hadoop init.d]# source /etc/profile

12.使用root登錄時(shí)報(bào)錯(cuò)

[root@hadoop init.d]# mysql -uroot -p #H#,?*Els4G&

Enter password:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

13.修改 /etc/my.cnf文件，補(bǔ)充mysql和client配置

[mysqld]

basedir = /usr/local/mysql

datadir = /usr/local/mysql/data

port = 3306

socket = /usr/local/mysql/tmp/mysql.sock

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

skip-grant-tables

[mysql]

default-character-set=utf8

socket = /usr/local/mysql/tmp/mysql.sock

[client]

default-character-set=utf8

socket = /usr/local/mysql/tmp/mysql.sock

14.重新登錄,并輸入新密碼

[root@hadoop etc]# mysql -uroot -p #H#,?*Els4G&

Enter password:  mysql

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.7.19 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, 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>

15.mysql服務(wù)的開(kāi)啟和關(guān)閉

#/etc/init.d/mysql start   或者   serivce mysql start  或者  bin/mysqld_safe&  

#/etc/init.d/mysql stop    或者   service mysql stop   或者  bin/mysqladmin -uroot -p 

三、添加hive用戶，會(huì)提示如下錯(cuò)誤

mysql> create user 'hive'@'%' identified by 'hive';

ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement

強(qiáng)制寫(xiě)出

mysql> flush privileges;

重新執(zhí)行

mysql> create user 'hive'@'%' identified by 'hive';

Query OK, 0 rows affected (0.00 sec)

mysql> select host,user from user;

+-----------+---------------+

| host     | user         |

+-----------+---------------+

| %        | hive         |

| localhost | mysql.session |

| localhost | mysql.sys    |

| localhost | root         |

+-----------+---------------+

4 rows in set (0.00 sec)

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