centos安装mysql一定成功

Centos安装MySQL
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卸载原有相关包
[root@yuntao ~]# rpm -qa | grep mariadb
mariadb-libs-5.5.41-2.el7_0.x86_64


安装编译代码需要的包
[root@yuntao ~]# yum -y install wget make cmake gcc gcc-c++ cmake bison-devel  ncurses-devel
下载 wget http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.25.tar.gz
解压
[root@yuntao ~]#tar xf mysql-5.6.25.tar.gz


[root@yuntao ~]#cd mysql-5.6.25.tar.gz
编译配置


[root@yuntao ~]#
cmake \
-DCMAKE_INSTALL_PREFIX=/u01/mysql \
-DMYSQL_DATADIR=/u01/mysql/data \
-DSYSCONFDIR=/etc \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_MEMORY_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock \
-DMYSQL_TCP_PORT=3306 \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci


编译安装
[root@yuntao ~]#make && make install


创建用户
[root@yuntao ~]#groupadd mysql
[root@yuntao ~]#useradd -g mysql mysql
修改/u01/mysql权限


[root@yuntao ~]#chown -R mysql:mysql /u01/mysql
配置环境变量
修改/etc/profile文件，在文件末尾添加


PATH=/u01/mysql/bin:$PATH
export PATH


进入安装路径，执行初始化配置脚本，创建系统自带的数据库和表
[root@yuntao ~]#
scripts/mysql_install_db --basedir=/u01/mysql  --datadir=/u01/mysql/data --user=mysql


启动MySQL
添加服务，拷贝服务脚本到init.d目录，并设置开机启动


cp support-files/mysql.server /etc/init.d/mysqld
[root@yuntao ~]#chkconfig mysqld on
 //设置为开机自启动
[root@yuntao ~]#service mysqld start  --启动MySQL


重启
[root@yuntao ~]#service mysqld restart


连接
[root@yuntao ~]# mysql  
-uroot -p
Welcome to the MySQL monitor.  Commands end with ; or \g.  
Your MySQL connection id is 1  
Server version: 5.6.25 Source distribution  
owners.  
  
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.  
mysql>