Mysql数据库简单安装（二进制）

二进制安装：[root@lufengcentos ~]# mkdir /home/lufeng/tools -p[root@lufengcentos ~]# cd /home/lufeng/tools   [root@lufengcentos tools]# rz[root@lufengcentos tools]# tar xf mysql-5.5.49-linux2.6-x86_64.tar.gz[root@lufengcentos tools]# mkdir -p /application/mysql-5.5.49[root@lufengcentos tools]# mv mysql-5.5.49-linux2.6-x86_64 /application/mysql-5.5.49创建mysql用户|组[root@lufengcentos tools]# groupadd mysql[root@lufengcentos tools]# useradd mysql -g mysql -s /sbin/nologin -M初始化配置文件[root@lufengcentos tools]# ln -s /application/mysql-5.5.49/ /application/mysql[root@lufengcentos tools]# cd /application/mysql[root@lufengcentos mysql]# cp support-files/my-small.cnf /etc/my.cnf初始化数据库文件[root@lufengcentos mysql]# mkdir -p /application/mysql/data[root@lufengcentos mysql]# chown -R mysql.mysql /application/mysql/[root@lufengcentos mysql]# /application/mysql/scripts/mysql_install_db --basedir=/application//mysql --datadir=/application/mysql/data --user=mysql配置并启动mysql[root@lufengcentos mysql]# cp support-files/mysql.server /etc/init.d/mysqld[root@lufengcentos mysql]# chmod +x /etc/init.d/mysqldroot@lufengcentos mysql]# sed -i 's#/usr/local/mysql#/application/mysql#g' /application/mysql/bin/mysqld_safe /etc/init.d/mysqld[root@lufengcentos mysql]# /etc/init.d/mysqld startStarting MySQL... SUCCESS! [root@lufengcentos mysql]# netstat -lntup|grep mysqltcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      2951/mysqld         配置全局使用路径[root@Mysql-server ~]# echo 'export PATH=/application/mysql/bin:$PATH' >>/etc/profile[root@Mysql-server ~]# tail -1 /etc/profileexport PATH=/application/mysql/bin:$PATH[root@Mysql-server ~]# echo $PATH/application/mysql/bin:/applicaion/mysql/bin:/applicaion/mysql/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin安全配置：[root@Mysql-server ~]# mysqladmin -u root password '199429'[root@Mysql-server ~]# mysqlERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)[root@Mysql-server ~]# mysql -uroot -p删除多余用户:+------+-----------+| user | host      |+------+-----------+| root | 127.0.0.1 || root | localhost |+------+-----------+