首先查询系统是否安装了
rpm -qa | grep -i mysql
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卸载彻底删除安装的mysql
rpm -ev mysql-community-common-5.6.44-2.el7.x86_64
rpm -ev mysql-community-release-el7-5.noarch
rpm -ev mysql-community-client-5.6.44-2.el7.x86_64
rpm -ev mysql-community-server-5.6.44-2.el7.x86_64
rpm -ev mysql-community-libs-5.6.44-2.el7.x86_64
在卸载服务是遇到了三个组件服务无法卸载问题,提示缺少依赖postfix-2:2.10.1-7.el7.x86_64:
error: Failed dependencies:
libmysqlclient.so.18()(64bit) is needed by (installed) postfix-2:2.10.1-7.el7.x86_64
libmysqlclient.so.18(libmysqlclient_18)(64bit) is needed by (installed) postfix-2:2.10.1-7.el7.x86_64
解决方法就是在 rpm -ev 加上--nodeps:
--nodeps就是安装时不检查依赖关系
查看yum源提供mysql的版本
[root@tbc-pc ~]# yum list|grep mysql
运行结果:
[root@tbc-pc ~]# yum list|grep mysql
apr-util-mysql.x86_64 1.3.9-3.el6_0.1 base
bacula-director-mysql.x86_64 5.0.0-13.el6 base
bacula-storage-mysql.x86_64 5.0.0-13.el6 base
dovecot-mysql.x86_64 1:2.0.9-22.el6 base
freeradius-mysql.x86_64 2.2.6-7.el6_9 base
libdbi-dbd-mysql.x86_64 0.8.3-5.1.el6 base
mod_auth_mysql.x86_64 1:3.0.0-11.el6_0.1 base
mysql.x86_64 5.1.73-8.el6_8 base
mysql-bench.x86_64 5.1.73-8.el6_8 base
mysql-connector-java.noarch 1:5.1.17-6.el6 base
mysql-connector-odbc.x86_64 5.1.5r1144-7.el6 base
mysql-devel.i686 5.1.73-8.el6_8 base
mysql-devel.x86_64 5.1.73-8.el6_8 base
mysql-embedded.i686 5.1.73-8.el6_8 base
mysql-embedded.x86_64 5.1.73-8.el6_8 base
mysql-embedded-devel.i686 5.1.73-8.el6_8 base
mysql-embedded-devel.x86_64 5.1.73-8.el6_8 base
mysql-libs.i686 5.1.73-8.el6_8 base
mysql-libs.x86_64 5.1.73-8.el6_8 base
mysql-server.x86_64 5.1.73-8.el6_8 base
mysql-test.x86_64 5.1.73-8.el6_8 base
pcp-pmda-mysql.x86_64 3.10.9-9.el6 base
php-mysql.x86_64 5.3.3-49.el6 base
qt-mysql.i686 1:4.6.2-28.el6_5 base
qt-mysql.x86_64 1:4.6.2-28.el6_5 base
rsyslog-mysql.x86_64 5.8.10-12.el6 base
rsyslog7-mysql.x86_64 7.4.10-7.el6 base
接下来从yum源安装mysql mysql-server mysql-devel
[root@tbc-pc ~]# yum install -y mysql mysql-server mysql-devel
结果
已安装:
mysql-devel.x86_64 0:5.1.73-8.el6_8
作为依赖被安装:
keyutils-libs-devel.x86_64 0:1.4-5.el6 krb5-devel.x86_64 0:1.10.3-65.el6
libcom_err-devel.x86_64 0:1.41.12-24.el6 libselinux-devel.x86_64 0:2.0.94-7.el6
libsepol-devel.x86_64 0:2.0.41-4.el6 openssl-devel.x86_64 0:1.0.1e-57.el6
zlib-devel.x86_64 0:1.2.3-29.el6
作为依赖被升级:
e2fsprogs.x86_64 0:1.41.12-24.el6 e2fsprogs-libs.x86_64 0:1.41.12-24.el6
libcom_err.x86_64 0:1.41.12-24.el6 libss.x86_64 0:1.41.12-24.el6
已安装:
mysql.x86_64 0:5.1.73-8.el6_8 mysql-server.x86_64 0:5.1.73-8.el6_8
作为依赖被安装:
mysql-libs.x86_64 0:5.1.73-8.el6_8 perl-DBD-MySQL.x86_64 0:4.013-3.el6 perl-DBI.x86_64 0:1.609-4.el6
完毕!
首次启动初始化mysql数据库
[root@tbc-pc ~]# service mysqld start
初始化 MySQL 数据库:
重启mysql
[root@tbc-pc ~]# service mysqld restart
停止 mysqld: [确定]
正在启动 mysqld: [确定]
修改密码
[root@tbc-pc ~]# mysqladmin -u root password 123456
连接mysql
[root@tbc-pc ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.1.73 Source distribution
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
提示符号告诉你可以使用mysql了。