rpm 软件安装

???? 安装：

?????????? rpm -ivh jdk-1_5_0_06-linux-amd64.rpm

???? 查看已的：

?????????? rpm -qa |grep jdk

???? 卸载：

?????????? rpm -e jdk-1.6.0_45-fcs.x86_64

?

?

问题：

????

[root@PBL-BJ-U-3C1 java]# rpm -ivh jdk-1_5_0_06-linux-amd64.rpm Preparing...                ########################################### [100%]        package jdk-2000:1.6.0_45-fcs.x86_64 (which is newer than jdk-2000:1.5.0_06-fcs.x86_64) is already installed

?? 须要先卸载“jdk-2000:1.6.0_45-fcs.x86_64 ”