Another article CentOS the rpm and Yum installation method (detailed)

Original address: http://www.centoscn.com/CentOS/help/2013/1019/1906.html

CentOS Software installation can be roughly divided into two categories:

[centos]rpm file installation, use the RPM instruction  similar to [ubuntu]deb file installation, use dpkg instruction
[Centos]yum installation is   similar [ubuntu]apt-get installation

RPM command

(a) query system installed software information

For an RPM package, there are "-" and "." Composition, basically has the following parts: * Package name * 
Version information * Release version number * Running platform, when appearing Noarch, represents the software can be platform compatible

1 The software that has been installed in the query system

2 Query a file that has been installed to which package;

Absolute path to RPM-QF file name

3 Find out where the installed packages are installed;

Software name definition is: the RPM package to remove platform information and suffix after the information

RPM-QL Software Name

4 Query The information of an installed package

RPM  -qi software name

5 Check the configuration file of the installed software;

RPM-QC Software Name

6 to view a document installation location where the software has been installed:

RPM-QD Software Name

7 Check the software packages and files that have been installed;

RPM-QR Software Name

(ii) query for not installed package information

1) To view the use of a package, version and other information;

Rpm-qpi rpm File

2 View the files contained in a package;

RPM-QPL rpm File

3 View the location of the package's documentation;

RPM-QPD rpm File

4 View the configuration file of a package;

RPM-QPC rpm File

5 View the dependencies of a package

RPM-QPR rpm File

(iii) Package installation, upgrade, deletion, etc.

1 Install or upgrade an RPM package

RPM-IVH rpm File "Install" RPM-UVH rpm file "Update"

2) Delete an RPM package

RPM-E Software Name

How to need to force the deletion of software regardless of dependency problem, then add--nodeps to the above command

(iv) Signature Import

RPM--import Signature file  rpm--import Rpm-gpg-key

Yum command (i) Yum basic concept 1) Yum is what?

Yum = Yellow Dog Updater, Modified  main function is more convenient to add/remove/update RPM package.  It can automatically solve the problem of dependency of packages.  It can facilitate the management of a large number of system update problems

2) Characteristics of Yum

Multiple repository (Repository) Concise profiles can be configured at the same time  (/etc/yum.conf  automatically resolves the dependency problems encountered when adding or removing RPM packages to  maintain consistency with the RPM database

3) Yum Installation

CentOS (yum-*.noarch.rpm) #rpm-IVH yum-*.noarch.rpm first need to import the Yum of the system before enabling Rpm-gpg-key for the first time:

(ii) Use of Yum directives

When using the Yum management software for the first time, Yum will automatically download the required headers placed in the/var/cache/yum directory;

1) RPM Package update

#检查可以更新的软件包 
Yum check-update 
#更新所有的软件包 
yum update 

#更新特定的软件包 
yum update kernel 

#大规模的升级 
Yum Upgrade

2) RPM Package installation and removal

#rpm包的安装和删除 
yum install xxx "service name" 
yum remove xxx "service name"

3) information about the Yum cache

#清楚缓存中rpm包文件 
Yum Clean packages 
#清楚缓存中rpm的头文件 
yum clean  headers 
#清除缓存中旧的头文件 
yum clean old Headers 
#清除缓存中旧的rpm头文件和包文件 
yum Clean all

4) Package Information query

#列出资源库中所有可以安装或更新的rpm包 
Yum list 

#列出资源库中特定的可以安装或更新以及已经安装的rpm包 
yum list firfox* 
N: Wildcard characters can be used in the RPM package name. Query similar RPM package

#列出资源库中所有可以更新的rpm包 
Yum list updates 

#列出已经安装的所有的rpm包 
yum list installed 

# List the RPM packages that have been installed but not included in the Repository 
yum list Extras 
N: By downloading the installed RPM package  

#rpm包信息显示 (info parameter same list), Lists all the RPM packages that can be installed or updated in the repository 
yum info 

#列出资源库中特定的可以安装或更新以及已经安装的rpm包的信息 

Yum info firefox* 
N: You can use a matching character in the RPM package name 

#列出资源库中所有可以更新的rpm包的信息
Yum info updates 

#列出已经安装的所有的rpm包的信息

 Yum info installed 

#列出已经安装的但是不包含在资源库中的rpm包的信息 
Yum info Extras 
N: By downloading the installed RPM package such as the website

#搜索匹配特定字符的rpm包
Yum Search Firofox
#搜索包含特定文件的rpm包
Yum provides Firefox

(iii) Yum software source update

Http://mirrors.163.com/.help/centos.html