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Yum provides plugins that extend and enhance its operations.
Certain plugins are installed by default. Yum always informs you
which plugins, if any, are loaded and active whenever you call any
~]#Note that the plugin names which follow
yum info yumLoaded plugins: presto, refresh-packagekit, security [output truncated]
Loaded pluginsare the names you can provide to the
plugins=is present in the
/etc/yum.conf, and that its value is set to
plugins=1You can disable all plugins by changing this line to
Yumservices. In particular, rhnplugin enables connecting to
Red Hat Network, and the security plugin allows system administrators to easily update the system with (sometimes critical) security updates. Disabling plugins globally is provided as a convenience option, and is generally only recommended when diagnosing a potential problem with
Every installed plugin has its own configuration file in the
/etc/yum/pluginconf.d/ directory. You can set plugin-specific
options in these files. For example, here is the security plugin's
security.conf configuration file:
[main] enabled=1Plugin configuration files always contain a
[main]section (similar to Yum's
/etc/yum.conffile) in which there is (or you can place if it is missing) an
enabled=option that controls whether the plugin is enabled when you run
If you disable all plugins by setting
/etc/yum.conf, then all plugins are disabled regardless
of whether they are enabled in their individual configuration files.
yumcommand, use the
If you simply want to disable one or more Yum plugins for a
yum command, then you can add the
--disableplugin=<plugin_name> option to the command:
The plugin names you provide to the
yum update --disableplugin=presto
--disableplugin=option are the same names listed after the
Loaded plugins:line in the output of any
yumcommand. You can disable multiple plugins by separating their names with commas. In addition, you can match multiple similarly-named plugin names or simply shorten long ones by using glob expressions:
yum-plugin-package-naming convention, but not always: the package which provides the presto plugin is named
yum-presto, for example. You can install a Yum plugin in the same way you install other packages:
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I would like to only download the packages via yum and not install/update them. How do I download a RPM package using yum command under CentOS Enterprise Linux server 5.x or RHEL 5.x systems?
You need to install plugin called yum-downloadonly. This plugin adds a --downloadonly flag to yum so that yum will only download the packages and not install/update them. Following options supported by this plugin:
[a] --downloadonly : don't update, just download a rpm file
[b] --downloaddir=/path/to/dir : specifies an alternate directory to store packages such as /tmp
Please note following instructions are only tested on CentOS server but should work with RHN and RHEL without any problem.
How do I download a RPM package only from RHN or CentOS mirror, without installing it?
Download httpd package but don't install/update, enter:
# yum update httpd -y --downloadonly
By default package will by downloaded and stored in /var/cache/yum/ directory. But, you can specifies an alternate directory to store packages such as /opt, enter:
# yum update httpd -y --downloadonly --downloaddir=/opt
Sample output:yum install httpd -y --downloadonly Loading "downloadonly" plugin Loading "fastestmirror" plugin Loading "security" plugin Loading mirror speeds from cached hostfile * base: centos.mirrors.mypsh.com * updates: mirror.steadfast.net * addons: mirrors.gigenet.com * extras: holmes.umflint.edu Setting up Install Process Parsing package install arguments Resolving Dependencies --> Running transaction check ---> Package httpd.i386 0:2.2.3-11.el5_1.centos.3 set to be updated filelists.xml.gz 100% |=========================| 2.8 MB 00:03 filelists.xml.gz 100% |=========================| 681 kB 00:11 filelists.xml.gz 100% |=========================| 122 kB 00:00 filelists.xml.gz 100% |=========================| 150 B 00:00 --> Finished Dependency Resolution Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: httpd i386 2.2.3-11.el5_1.centos.3 base 1.1 M Transaction Summary ============================================================================= Install 1 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 1.1 M Downloading Packages: (1/1): httpd-2.2.3-11.el5 100% |=========================| 1.1 MB 00:01 exiting because --downloadonly specified
To see downloaded file, enter:
# ls -l /opt/*.rpm
Sample output:-rw-r--r-- 1 root root 1116426 Jan 17 03:36 /opt/httpd-2.2.3-11.el5_1.centos.3.i386.rpm -rw-r--r-- 1 root root 83452 Oct 2 2007 /opt/lighttpd-fastcgi-1.4.18-1.el5.rf.i386.rpm -rw-r--r-- 1 root root 635045 Oct 20 2007 /opt/psad-2.1-1.i386.rpm
Method # 2: yum-utils.noarch Package
yum-utils is a collection of utilities and examples for the yum package manager. It includes utilities by different authors that make yum easier and more powerful to use. These tools include: debuginfo-install, package-cleanup, repoclosure, repodiff, repo-graph, repomanage, repoquery, repo-rss, reposync, repotrack, verifytree, yum-builddep, yum-complete-transaction, yumdownloader, yum-debug-dump and yum-groups-manager.
# yum -y install yum-utils.noarch
Now use the yumdownloader command which is a program for downloading RPMs from Yum repositories. Type the following command to download httpd rpm file:
# yumdownloader httpd
Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers : Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism : The Iron Law of Oligarchy : Libertarian Philosophy
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Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 : Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law
Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds : Larry Wall : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOS : Programming Languages History : PL/1 : Simula 67 : C : History of GCC development : Scripting Languages : Perl history : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history
The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month : How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Haterís Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite
Most popular humor pages:
Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor
The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D
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Last modified: March 12, 2019