CentOS 里下载 RPM 包及其所有依赖包
方法1 利用 Downloadonly 插件下载 RPM 软件包及其所有依赖包
我们可以通过 yum 命令的 Downloadonly 插件下载 RPM 软件包及其所有依赖包。
为了安装 Downloadonly 插件,以 root 身份运行以下命令。
yum install yum-plugin-downloadonly
现在,运行以下命令去下载一个 RPM 软件包。
yum install --downloadonly <package-name>
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
终端输出:
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: centos.excellmedia.net
* epel: epel.mirror.angkasa.id
* extras: centos.excellmedia.net
* updates: centos.excellmedia.net
Resolving Dependencies
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-40.el7.centos.4 will be installed
--> Processing Dependency: httpd-tools = 2.4.6-40.el7.centos.4 for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Running transaction check
---> Package apr.x86_64 0:1.4.8-3.el7 will be installed
---> Package apr-util.x86_64 0:1.5.2-6.el7 will be installed
---> Package httpd-tools.x86_64 0:2.4.6-40.el7.centos.4 will be installed
---> Package mailcap.noarch 0:2.1.41-2.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=======================================================================================================================================
Package Arch Version Repository Size
=======================================================================================================================================
Installing:
httpd x86_64 2.4.6-40.el7.centos.4 updates 2.7 M
Installing for dependencies:
apr x86_64 1.4.8-3.el7 base 103 k
apr-util x86_64 1.5.2-6.el7 base 92 k
httpd-tools x86_64 2.4.6-40.el7.centos.4 updates 83 k
mailcap noarch 2.1.41-2.el7 base 31 k
Transaction Summary
=======================================================================================================================================
Install 1 Package (+4 Dependent packages)
Total download size: 3.0 M
Installed size: 10 M
Background downloading packages, then exiting:
(1/5): apr-1.4.8-3.el7.x86_64.rpm | 103 kB 00:00:01
(2/5): apr-util-1.5.2-6.el7.x86_64.rpm | 92 kB 00:00:01
(3/5): mailcap-2.1.41-2.el7.noarch.rpm | 31 kB 00:00:01
(4/5): httpd-tools-2.4.6-40.el7.centos.4.x86_64.rpm | 83 kB 00:00:01
(5/5): httpd-2.4.6-40.el7.centos.4.x86_64.rpm | 2.7 MB 00:00:09
---------------------------------------------------------------------------------------------------------------------------------------
Total 331 kB/s | 3.0 MB 00:00:09
exiting because "Download Only" specified
现在去你指定的目录位置下,你将会看到那里有下载好的软件包和依赖的软件。在我这种情况下,我已经把软件包下载到 /root/mypackages/ 目录下。让我们来查看一下内容:
ls /root/mypackages/
样本输出:
apr-1.4.8-3.el7.x86_64.rpm
apr-util-1.5.2-6.el7.x86_64.rpm
httpd-2.4.6-40.el7.centos.4.x86_64.rpm
httpd-tools-2.4.6-40.el7.centos.4.x86_64.rpm
mailcap-2.1.41-2.el7.noarch.rpm
正如你在上面输出所看到的, httpd软件包已经被依据所有依赖性下载完成了 。
请注意,这个插件适用于 yum install/yum update, 但是并不适用于 yum groupinstall 。默认情况下,这个插件将会下载仓库中最新可用的软件包。然而你可以通过指定版本号来下载某个特定的软件版本。
例子:
yum install --downloadonly --downloaddir=/root/mypackages/ httpd-2.2.6-40.el7
此外,你也可以如下一次性下载多个包:
yum install --downloadonly --downloaddir=/root/mypackages/ httpd vsftpd
方法 2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
或者,
yumdownloader --resolve --destdir /root/mypackages/ httpd
终端输出:
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: centos.excellmedia.net
* epel: epel.mirror.angkasa.id
* extras: centos.excellmedia.net
* updates: centos.excellmedia.net
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-40.el7.centos.4 will be installed
--> Processing Dependency: httpd-tools = 2.4.6-40.el7.centos.4 for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.4.6-40.el7.centos.4.x86_64
--> Running transaction check
---> Package apr.x86_64 0:1.4.8-3.el7 will be installed
---> Package apr-util.x86_64 0:1.5.2-6.el7 will be installed
---> Package httpd-tools.x86_64 0:2.4.6-40.el7.centos.4 will be installed
---> Package mailcap.noarch 0:2.1.41-2.el7 will be installed
--> Finished Dependency Resolution
(1/5): apr-util-1.5.2-6.el7.x86_64.rpm | 92 kB 00:00:01
(2/5): mailcap-2.1.41-2.el7.noarch.rpm | 31 kB 00:00:02
(3/5): apr-1.4.8-3.el7.x86_64.rpm | 103 kB 00:00:02
(4/5): httpd-tools-2.4.6-40.el7.centos.4.x86_64.rpm | 83 kB 00:00:03
(5/5): httpd-2.4.6-40.el7.centos.4.x86_64.rpm | 2.7 MB 00:00:19
让我们确认一下软件包是否被下载到我们指定的目录下。
ls /root/mypackages/
终端输出:
apr-1.4.8-3.el7.x86_64.rpm
apr-util-1.5.2-6.el7.x86_64.rpm
httpd-2.4.6-40.el7.centos.4.x86_64.rpm
httpd-tools-2.4.6-40.el7.centos.4.x86_64.rpm
mailcap-2.1.41-2.el7.noarch.rpm
不像 Downloadonly 插件,Yumdownload 可以下载一组相关的软件包。文章来源:https://www.toymoban.com/news/detail-598639.html
yumdownloader "@Development Tools" --resolve --destdir /root/mypackages/
在我看来,我喜欢 Yumdownloader 更胜于 Yum 的 Downloadonly 插件。但是,两者都是十分简单易懂而且可以完成相同的工作。文章来源地址https://www.toymoban.com/news/detail-598639.html
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