打算在一台机器上安装mysql 不过之前老旧的包需要删除如下：
[root@hostxxlidan]# rpm -qa |grep -i mysql
mysql-devel-5.0.95-5.el5_9
mysql-devel-5.0.95-5.el5_9
MySQL-shared-5.5.34-1.rhel5
mysql-5.0.95-5.el5_9
mysql-server-5.0.95-5.el5_9
MySQL-shared-compat-5.5.34-1.rhel5
perl-DBD-MySQL-3.0007-2.el5
mysql-5.0.95-5.el5_9
然后执行删除：
[root@host74 lidan]# rpm -e mysql-5.0.95-5.el5_9
error: "mysql-5.0.95-5.el5_9" specifies multiple packages
上面确实两个包，故报这个问题很正常。
man rpm 发现有一个参数 --allmatches
--allmatches
Remove all versions of the package which match PACKAGE_NAME. Normally an error is issued if PACKAGE_NAME
matches multiple packages.
然后执行
[root@hostxxx lidan]# rpm -e --allmatches mysql-5.0.95-5.el5_9
error: Failed dependencies:
mysql = 5.0.95-5.el5_9 is needed by (installed) mysql-devel-5.0.95-5.el5_9.x86_64
mysql = 5.0.95-5.el5_9 is needed by (installed) mysql-devel-5.0.95-5.el5_9.i386
libmysqlclient.so.15 is needed by (installed) mysql-devel-5.0.95-5.el5_9.i386
libmysqlclient_r.so.15 is needed by (installed) mysql-devel-5.0.95-5.el5_9.i386
还有依赖再去依赖
rpm -e --allmatches --nodeps mysql-5.0.95-5.el5_9
完事，走人。