Fedora yum管理工具还是比较常用的，于是我研究了一下Fedora yum管理工具，在这里拿出来和大家分享一下，希望对大家有用。在本文中，我们主要解介绍 Fedora core 4.0 通过软件包管理工具yum来在线安装更新软件；关于apt工具应用，我们会在另外一篇中介绍；
Fedora yum管理工具的使用；
有些初学Linux的弟兄可能问，为什么不用系统自带的图形化工具up2date来升级，却要用Fedora yum管理工具呢。其实大家用一用就知道了，up2date 真是奇慢无比，而且经常失去响应；造成机器假死的情况。所以我们还是试一试Fedora yum管理工具 ；另外freshrpms.net 可能比官方站更快的更新升级源，也没有理由不用 Fedora yum管理工具；
1、首先我们要到下面的地址下载与自己系统相对应的版本的Fedora yum管理工具；
http://ayo.freshrpms.net/比如我用的是Fedora core 4.0 就下载如下的包安装；
[root@localhost beinan]# rpm -ivh freshrpms-release-1.1-1.fc.noarch.rpm
warning: freshrpms-release-1.1-1.fc.noarch.rpm: Header V3 DSA signature: NOKEY, key ID e42d547b
Preparing... ########################################### [100%]
1:freshrpms-release ########################################### [100%]
2、Fedora yum管理工具安装软件举例；
比如我要安装能听mp3的 bmp-mp3，只要输入下面的命令行即可，系统就自己工作了；
[root@localhost beinan]# yum install bmp-mp3
内容全景如下：
[root@localhost beinan]# yum install bmp-mp3
Setting up Install Process
Setting up repositories
updates-released 100% |=========================| 951 B 00:00
extras 100% |=========================| 1.1 kB 00:00
base 100% |=========================| 1.1 kB 00:00
freshrpms 100% |=========================| 951 B 00:00
Reading repository metadata in from local files
primary.xml.gz 100% |=========================| 42 kB 00:03
freshrpms : ################################################## 122/122
Added 122 new packages, deleted 0 old in 0.72 seconds
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for bmp-mp3 to pack into transaction set.
bmp-mp3-0.9.7-1.2.fc4.i38 100% |=========================| 2.9 kB 00:00
---> Package bmp-mp3.i386 0:0.9.7-1.2.fc4 set to be updated
--> Running transaction check
--> Processing Dependency: libid3-3.8.so.3 for package: bmp-mp3
--> Processing Dependency: libbeep.so.2 for package: bmp-mp3
--> Processing Dependency: bmp >= 0.9.7 for package: bmp-mp3
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for id3lib to pack into transaction set.
id3lib-3.8.3-11.fc4.i386. 100% |=========================| 38 kB 00:05
---> Package id3lib.i386 0:3.8.3-11.fc4 set to be updated
---> Downloading header for bmp to pack into transaction set.
bmp-0.9.7-10.fc4.i386.rpm 100% |=========================| 14 kB 00:03
---> Package bmp.i386 0:0.9.7-10.fc4 set to be updated
--> Running transaction check
Dependencies Resolved
Package Arch Version Repository Size
Installing:
bmp-mp3 i386 0.9.7-1.2.fc4 freshrpms 95 k
Installing for dependencies:
bmp i386 0.9.7-10.fc4 extras 912 k
id3lib i386 3.8.3-11.fc4 extras 752 k
Transaction Summary
Install 3 Package(s)
Update 0 Package(s)
Remove 0 Package(s)
Total download size: 1.7 M
Is this ok [y/N]: y
Downloading Packages:
(1/3): id3lib-3.8.3-11.fc 100% |=========================| 752 kB 01:04
(2/3): bmp-0.9.7-10.fc4.i 100% |=========================| 912 kB 02:14
(3/3): bmp-mp3-0.9.7-1.2. 100% |=========================| 95 kB 00:05
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing: bmp [1/3]
Installing: id3lib [2/3]
Installing: bmp-mp3 [3/3]
Installed: bmp-mp3.i386 0:0.9.7-1.2.fc4
Dependency Installed: bmp.i386 0:0.9.7-10.fc4 id3lib.i386 0:3.8.3-11.fc4
Complete!
注：Fedora yum管理工具优点:软件包依赖关系自行解决，比如上面的，我们可以看到本来我们只安装的是bmp-mp3，结果Fedora yum管理工具安装也安装了 id3lib ；bmp.
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