Linux MYSQL安裝指南

安裝環境:系統是 centos6.5html

一、下載mysql

    下載地址:http://dev.mysql.com/downloads/mysql/5.6.html#downloadslinux

    下載版本:我這裏選擇的5.6.33,通用版,linux下64位sql

    也能夠直接複製64位的下載地址,經過命令下載:wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz數據庫

二、解壓centos

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#解壓
tar  -zxvf mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz
#複製解壓後的mysql目錄
cp  -r mysql-5.6.33-linux-glibc2.5-x86_64 /usr/local/mysql

三、添加用戶組和用戶bash

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#添加用戶組
groupadd mysql
#添加用戶mysql 到用戶組mysql
useradd  -g mysql mysql

四、安裝post

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cd  /usr/local/mysql/<br>mkdir ./data/mysql
chown  -R mysql:mysql ./
. /scripts/mysql_install_db  --user=mysql --datadir=/usr/local/mysql/data/mysql
cp  support-files/mysql.server /etc/init.d/mysqld
chmod  755 /etc/init.d/mysqld
cp  support-files/my-default.cnf /etc/my.cnf
 
#修改啓動腳本
vi  /etc/init.d/mysqld
 
#修改項:
basedir= /usr/local/mysql/
datadir= /usr/local/mysql/data/mysql
 
#啓動服務
service mysqld start
 
#測試鏈接
. /mysql/bin/mysql  -uroot
 
#重點配置修改
#加入環境變量,編輯 /etc/profile,這樣能夠在任何地方用mysql命令了
vi /etc/profile
export  PATH=$PATH:/usr/local/mysql/bin
source /etc/profile
 
#啓動mysql
service mysqld start
#關閉mysql
service mysqld stop
#查看運行狀態
service mysqld status

五、錯誤測試

  5.1 sqlyog鏈接時,報1130錯誤,是因爲沒有給遠程鏈接的用戶權限問題spa

    解決1:更改 ‘mysql’數據庫‘user’表‘host’項,從‘localhost’改爲‘%’。

use mysql;
select 'host' from user where user='root'; update user set host = '%' where user ='root'; flush privileges; 

    解決2:直接受權

      GRANT ALL PRIVILEGES ON *.* TO ‘root’@'%’ IDENTIFIED BY ‘youpassword’ WITH GRANT OPTION;

       5.2 密碼修改

              #選擇數據庫

    use mysql;

    #修改密碼

    update user set password = password('newpwd') where user='root';

     #當即生效

    flush privileges;

  5.3 安裝時的一些錯誤

    -bash: ./scripts/mysql_install_db: /usr/bin/perl: bad interpreter: 沒有那個文件或目錄
    解決: yum -y install perl perl-devel

    Installing MySQL system tables..../bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
    解決:yum -y install libaio-devel

六、其餘

  6.1 配置環境變量

    vi + /etc/profile

    export PATH=....:/usr/local/mysql/bin

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