CentOS6.8下安裝MySQL5.6


一:卸載舊版本

使用下面的命令檢查是否安裝有MySQL Server

rpm -qa | grep mysql

有的話通過下面的命令來卸載掉

 

rpm -e mysql             //普通刪除模式
rpm -e --nodeps mysql        // 強力刪除模式,如果使用上面命令刪除時,提示有依賴的其它文件,則用該命令可以對其進行強力刪除

 

二:安裝MySQL

安裝編譯代碼需要的包

yum -y install make gcc-c++ cmake bison-devel  ncurses-devel

下載MySQL-5.6.35

#wget https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz
#tar xvf mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz
#mv mysql-5.6.35-linux-glibc2.5-x86_64 /usr/local/mysql

創建mysql用戶和組

#groupadd mysql
#useradd -r -g mysql mysql -d /usr/local/mysql
#echo "mima" | passwd --stdin mysql

修改目錄權限

chown -R mysql:mysql /usr/local/mysql

安裝數據庫

#su - mysql
#/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
#exit

復制mysql配置文件

#cd /usr/local/mysql/support-files
#cp my-default.cnf /etc/my.cnf

添加系統服務

#cp mysql.server /etc/init.d/mysql
#chkconfig mysql on

.添加環境變量

#vim /etc/profile
export MYSQL_HOME="/usr/local/mysql"
export PATH="$PATH:$MYSQL_HOME/bin"
#source /etc/profile

啟動mysql

service mysql start

設置root密碼

mysqladmin -u root password '123456'

設置默認端口

#vim /etc/my.cnf
[mysqld]
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
port=3306
server_id=1
socket=/tmp/mysql.sock

允許所有外部鏈接訪問(可選)

#mysql -u root -p
#mysql命令行輸入
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
FLUSH PRIVILEGES;

使用yum快速 安裝MySQL數據庫

1.查看CentOS下是否已安裝mysql
[root@localhost ~]# yum list installed | grep mysql

2.刪除已安裝mysql
[root@localhost ~]# yum -y remove mysql

3.查看yum庫中的mysql(非必須)
[root@localhost ~]# yum list | grep mysql

4.從yum庫中的安裝mysql
[root@localhost ~]# yum -y install mysql mysql-server mysql-devel

5.驗證是否安裝成功
[root@localhost ~]# rpm -qi mysql-server

6.啟動MySql服務
[root@localhost ~]# /etc/init.d/mysqld start

7.登錄並設置密碼
[root@localhost ~]# mysql -u root
mysql> show databases;
mysql>  use mysql; 
mysql> update user set password=password('123456') where user='root';

8.開放遠程登錄權限
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

9.設置開機啟動(非必須)
chkconfig mysqld on

 

參考文檔:

    http://www.cnblogs.com/liuyi2614/p/6382183.html 

    http://blog.csdn.net/jeffleo/article/details/53559712?utm_source=itdadao&utm_medium=referral

 


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