如何在 CentOS 里下载 RPM 包及其所有依赖包

如何在 CentOS 里下载 RPM 包及其所有依赖包"/>

如何在 CentOS 里下载 RPM 包及其所有依赖包

方法一、利用 Downloadonly 插件下载 RPM 软件包及其所有依赖包

　　默认情况下，这个命令将会下载并把软件包保存到 /var/cache/yum/ 的 rhel-{arch}-channel/packageslocation 目录，不过，你也可以下载和保存软件包到任何位置，你可以通过 –downloaddir 选项来指定。
　　　　yum install --downloadonly --downloaddir=<directory> <package-name>

　　例子:
　　　　yum install --downloadonly --downloaddir=/root/mypackages/ httpd

[root@xuegod70 ~]# yum install --downloadonly --downloaddir=/root/mypackages/ httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile* base: mirrors.aliyun* epel: mirrors.ustc.edu* extras: mirrors.aliyun* updates: mirrors.aliyun
Resolving Dependencies
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-80.el7.centos.1 will be installed
--> Processing Dependency: httpd-tools = 2.4.6-80.el7.centos.1 for package: httpd-2.4.6-80.el7.centos.1.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.6-80.el7.centos.1.x86_64
--> Running transaction check
---> Package httpd-tools.x86_64 0:2.4.6-80.el7.centos.1 will be installed
---> Package mailcap.noarch 0:2.1.41-2.el7 will be installed
--> Finished Dependency ResolutionDependencies Resolved=====================================================================================================================Package                    Arch                  Version                               Repository              Size
=====================================================================================================================
Installing:httpd                      x86_64                2.4.6-80.el7.centos.1                 updates                2.7 M
Installing for dependencies:httpd-tools                x86_64                2.4.6-80.el7.centos.1                 updates                 90 kmailcap                    noarch                2.1.41-2.el7                          Cent7                   31 kTransaction Summary
=====================================================================================================================
Install  1 Package (+2 Dependent packages)Total download size: 2.8 M
Installed size: 9.6 M
Background downloading packages, then exiting:
(1/2): httpd-tools-2.4.6-80.el7.centos.1.x86_64.rpm                                           |  90 kB  00:00:00     
(2/2): httpd-2.4.6-80.el7.centos.1.x86_64.rpm                                                 | 2.7 MB  00:00:00     
---------------------------------------------------------------------------------------------------------------------
Total                                                                                4.1 MB/s | 2.8 MB  00:00:00     
exiting because "Download Only" specified

方法二、使用 Yumdownloader 工具来下载 RPM 软件包及其所有依赖包

　　Yumdownloader是一款简单，但是却十分有用的命令行工具，它可以一次性下载任何 RPM 软件包及其所有依赖包。
以 root 身份运行如下命令安装 Yumdownloader 工具。

　　yum install yum-utils
一旦安装完成，运行如下命令去下载一个软件包，例如 httpd。

　　yumdownloader httpd
为了根据所有依赖性下载软件包，我们使用 --resolve参数：

　　yumdownloader --resolve httpd
默认情况下，Yumdownloader 将会下载软件包到当前工作目录下。
为了将软件下载到一个特定的目录下，我们使用 --destdir 参数：

　　yumdownloader --resolve --destdir=/root/mypackages/ httpd

[root@xuegod70 ~]# yumdownloader --resolve --destdir=/root/mypackages/ httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile* base: mirrors.aliyun* epel: mirrors.ustc.edu* extras: mirrors.aliyun* updates: mirrors.aliyun
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-80.el7.centos.1 will be installed
--> Processing Dependency: httpd-tools = 2.4.6-80.el7.centos.1 for package: httpd-2.4.6-80.el7.centos.1.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.6-80.el7.centos.1.x86_64
--> Running transaction check
---> Package httpd-tools.x86_64 0:2.4.6-80.el7.centos.1 will be installed
---> Package mailcap.noarch 0:2.1.41-2.el7 will be installed
--> Finished Dependency Resolution
(1/3): mailcap-2.1.41-2.el7.noarch.rpm                                                        |  31 kB  00:00:00     
(2/3): httpd-tools-2.4.6-80.el7.centos.1.x86_64.rpm                                           |  90 kB  00:00:00     
(3/3): httpd-2.4.6-80.el7.centos.1.x86_64.rpm                                                 | 2.7 MB  00:00:00     

详细参考如下：

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