2. 卸載原有的mysql數(shù)據(jù)庫

[root@zabbix ~]# yum -y remove mysql mysql-server mysql-libs compat-mysql51

[root@zabbix ~]# rm -rf /var/lib/mysql

[root@zabbix ~]# rm /etc/my.cnf

[root@zabbix ~]# rpm -qa|grep mysql #如果還能查詢出來mysql文件，繼續(xù)刪除，沒有的話就說明mysql已經(jīng)徹底刪除了

3. 安裝依賴包

yum -y install cmake gcc* ncurses-devel mysql-devel net-snmp-devel

4. 添加mysql用戶和用戶組，創(chuàng)建mysql的數(shù)據(jù)目錄

[root@zabbix ~]# groupadd mysql

[root@zabbix ~]# mkdir -pv /data/mysql

[root@zabbix ~]# useradd -r -g mysql -d /data/mysql -s /sbin/nologin mysql

[root@zabbix ~]# chown -R mysql.mysql /data/mysql

5. 安裝MySQL

[root@zabbix opt]# wget http://dev.mysql.com/get/Downloads/MySQL-5.5/mysql-5.5.49.tar.gz

[root@zabbix opt]# tar -zxvf mysql-5.5.49.tar.gz

[root@zabbix opt]# cd mysql-5.5.49

[root@zabbix mysql-5.5.49]# cmake -DCMAKE_INSTALL_PREFIX=/usr/local/product/mysql-5.5.49 -DDEFAULT_CHARSET=utf8 -DENABLED_LOCAL_INFILE=1 -DMYSQL_DATADIR=/data/mysql -DWITH_EXTRA_CHARSETS=all -DWITH_READLINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DMYSQL_TCP_PORT=3306 -DDEFAULT_COLLATION=utf8_general_ci

[root@zabbix mysql-5.5.49]# make && make install

[root@zabbix mysql-5.5.49]# ln -s /usr/local/product/mysql-5.5.49 /usr/local/mysql #添加軟鏈接

[root@zabbix mysql-5.5.49]# chown -R mysql.mysql /usr/local/mysql #給軟鏈接添加所屬用戶和組

[root@zabbix mysql-5.5.49]# cd /usr/local/mysql/support-files/

[root@zabbix support-files]# cp my-medium.cnf /data/mysql/my.cnf #拷貝mysql配置文件

6. 將mysql添加service管理

[root@zabbix support-files]# cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld

[root@zabbix support-files]# chmod +x /etc/rc.d/init.d/mysqld

7. 初始化數(shù)據(jù)庫

[root@zabbix support-files]# cd /usr/local/mysql/scripts

[root@zabbix scripts]# ./mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/data/mysql/

8. 修改MySQL配置文件my.cnf中的數(shù)據(jù)目錄

[root@zabbix scripts]# vim /etc/my.cnf

datadir=/data/mysql/ #在[mysqld]下修改

9. 啟動(dòng)mysql

[root@zabbix ~]# /etc/init.d/mysqld start

Starting MySQL... SUCCESS!

或者

[root@zabbix ~]# service mysqld start

Starting MySQL... SUCCESS!

10. 查看mysql版本

[root@yeebian scripts]# mysql

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

Your MySQL connection id is 1

Server version: 5.5.49-log Source distribution

Copyright (c) 2000, 2013, 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>

注：如果在執(zhí)行mysql命令時(shí)出現(xiàn)以下錯(cuò)誤：

[root@zabbix ~]# mysql

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

解決方法：

[root@zabbix ~]# ln -s /tmp/mysql.sock /var/lib/mysql/

11. 建庫、添加權(quán)限及用戶密碼

mysql> UPDATE mysql.user SET Password=PASSWORD('zabbix') where USER='root'; #添加root用戶密碼

mysql> create database zabbix default charset utf8; #創(chuàng)建zabbix數(shù)據(jù)庫并賦予utf8字符集；

mysql> grant all privileges on zabbix.* to zabbix@'localhost' identified by 'zabbix'; #將數(shù)據(jù)庫zabbix下的所有權(quán)限賦予用戶zabbix，密碼為zabbix

mysql> flush privileges; #刷新MySQL的系統(tǒng)權(quán)限相關(guān)表

mysql> show databases;

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

| Database |

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

| information_schema |

| mysql |

| performance_schema |

| test |

| zabbix |

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

5 rows in set (0.00 sec)

總結(jié)

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