今天小编跟大家讲解下有关科技常识：centos6.7安装mysql5.5.48的方法，相信小伙伴们对这个话题应该也很关注吧，小编也收集到了有关科技常识：centos6.7安装mysql5.5.48的方法的相关资料，希望小伙伴会喜欢也能够帮助大家。
本文实例讲述了centos6.7安装mysql5.5.48的方法。分享给大家供大家参考，具体如下：
RPM安装mysql 5.5.48
下载对应的MySQL安装包rpm文件，可以去MySQL官方网站找到对应版本，一般需要下载3个文件
MySQL-serverMySQL-clientMySQL-devel
复制代码 代码如下:wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-server-5.5.48-1.el6.x86_64.rpmwget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-client-5.5.48-1.el6.x86_64.rpmwget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-devel-5.5.48-1.el6.x86_64.rpmrpm -ivh MySQL-server-5.5.48-1.el6.x86_64.rpmrpm -ivh MySQL-client-5.5.48-1.el6.x86_64.rpmrpm -ivh MySQL-devel-5.5.48-1.el6.x86_64.rpm安装服务端出错：复制代码 代码如下:[root@localhost ~]# rpm -ivh MySQL-server-5.5.48-1.el6.x86_64.rpmwarning: MySQL-server-5.5.48-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEYPreparing... ########################################### [100%]file /usr/share/mysql/charsets/Index.xml from install of MySQL-server-5.5.48-1.el6.x86_64 conflicts with file from package mysql-libs-5.1.73-5.el6_6.x86_64file /usr/share/mysql/charsets/armscii8.xml from install of MySQL-server-5.5.48-1.el6.x86_64 conflicts with file from package mysql-libs-5.1.73-5.el6_6.x86_64file /usr/share/mysql/charsets/ascii.xml from install of MySQL-server-5.5.48-1.el6.x86_64 conflicts with file from package mysql-libs-5.1.73-5.el6_6.x86_64file /usr/share/mysql/charsets/cp1250.xml from install of MySQL-server-5.5.48-1.el6.x86_64 conflicts with file from package mysql-libs-5.1.73-5.el6_6.x86_64file /usr/share/mysql/charsets/cp1256.xml from install of MySQL-server-5.5.48-1.el6.x86_64 conflicts with file from package mysql-libs-5.1.73-5.el6_6.x86_64
错误原因：包冲突了
centos6.7 basic server 版本 默认安装了mysql5.1，所以先卸载mysql5.1复制代码 代码如下:yum -y remove mysql-libs-5.1*再重新安装即可复制代码 代码如下:rpm -ivh MySQL-server-5.5.48-1.el6.x86_64.rpm启动mysql复制代码 代码如下:[root@localhost ~]# service mysql startStarting MySQL SUCCESS!CentOS下安装官方RPM包的MySQL后找不到my.cnf解决办法
复制 /usr/share/mysql/my-medium.cnf 文件到/etc目录，复制代码 代码如下:cp /usr/share/mysql/my-medium.cnf /etc/my.cnf局域网内mysql连接慢的解决办法
ping都很快，mysql连接慢，
原因是由于mysql对连接的客户端进行DNS反向解析。
有2种解决办法：
1. 把client的ip写在mysql服务器的/etc/hosts文件里，随便给个名字就可以了。 2. 在 my.cnf 中加入 Cskip-name-resolve 。
希望本文所述对大家centos服务器配置有所帮助。
来源：爱蒂网