CentOS6.5下安装mysql-5.7.18-linux-glibc2.5-x86_64

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在安装mysql之前，先执行如下命令

rpm -qa | grep mysql #查找mysql相关软件yum -y remove mysql-libs-5.1.71-1.el6.x86_64 #卸载mysql-libs-5.1.71-1.el6.x86_64

首先先下载mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz，传到CentOS6.5系统下的/usr/local目录下，执行如下命令

yum search libaio  # search for infoyum install libaio # install librarygroupadd mysqluseradd mysql -g mysqlcd /usr/localtar -zxvf /usr/local/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gzmv mysql-5.7.18-linux-glibc2.5-x86_64/ mysqlcd mysql/mkdir datacd ../chown -R mysql:mysql mysql/chmod -R 755 mysql/cd mysql./bin/mysqld --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --initialize

查找密码，一般在命令的末尾，

 2017-04-21T02:36:15.620346Z 1 [Note] A temporary password is generated for root@localhost: o*s#gqh)F4Ck

./support-files/mysql.server startln -s /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqlservice mysql restart #重启服务mysqlln -s /usr/local/mysql/bin/mysql /usr/bin #做个软链接，将安装目录下的mysql 放在/usr/bin 目录下mysql -uroot -po*s#gqh)F4Ckalter user 'root'@'localhost' identified by '123456'; #设置root的密码为123456use mysql;update user set user.Host='%' where user.User='root';flush privileges;

[root@localhost ~]# chkconfig mysql on #设置mysql服务开机重启

最后，可以添加配置文件

vi /usr/local/mysql/my.cnf #编辑my.cnf

配置内容如下

# For advice on how to change settings please see# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the# *** default location during install, and will be replaced if you# *** upgrade to a newer version of MySQL.[mysqld]# Remove leading # and set to the amount of RAM for the most important data# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.# innodb_buffer_pool_size = 128M# Remove leading # to turn on a very important data integrity option: logging# changes to the binary log between backups.# log_bin# These are commonly set, remove the # and set as required.# basedir = .....# datadir = .....port = 3306# server_id = .....# socket = .....# Remove leading # to set options mainly useful for reporting servers.# The server defaults are faster for transactions and fast SELECTs.# Adjust sizes as needed, experiment to find the optimal values.# join_buffer_size = 128M# sort_buffer_size = 2M# read_rnd_buffer_size = 2M sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

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