{"id":21435,"date":"2017-02-06T07:40:46","date_gmt":"2017-02-06T13:40:46","guid":{"rendered":"https:\/\/www.rosehosting.com\/blog\/?p=21435"},"modified":"2022-06-03T03:42:20","modified_gmt":"2022-06-03T08:42:20","slug":"list-installed-packages-and-query-package-information-with-yum","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/","title":{"rendered":"List Installed Packages With yum"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><img decoding=\"async\" class=\"alignnone size-full wp-image-24772\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum.jpg\" alt=\"list installed packages with yum\" width=\"1200\" height=\"600\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum.jpg 1200w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-150x75.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-300x150.jpg 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-768x384.jpg 768w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-1024x512.jpg 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-860x430.jpg 860w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-680x340.jpg 680w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-500x250.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-400x200.jpg 400w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-200x100.jpg 200w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2017\/02\/list-installed-packages-with-yum-50x25.jpg 50w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>In this short tutorial, we&#8217;ll show you, how to list installed packages with yum. This includes using the yum caching feature to speed up our searches, list available packages and list installed packages, query\u00a0package repositories and get information about the packages.<\/p>\n<p>This tutorial applies to Linux distributions that make use of the Yum package manager, that includes <a href=\"https:\/\/www.rosehosting.com\/centos-hosting.html\">CentOS<\/a> and RedHat, but also older Fedora distributions.<\/p>\n<p><strong>Prerequisites:<\/strong><\/p>\n<ul>\n<li>We assume that you already know how to <a href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-and-manage-software-on-centos-7\/\">install and remove packages with Yum<\/a>. If not, use our tutorial.<\/li>\n<li>A VPS that uses the Yum package manager (like <a href=\"https:\/\/www.rosehosting.com\/centos-hosting.html\">CentOS<\/a>)<\/li>\n<\/ul>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662de77c0b72e\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662de77c0b72e\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#1-Updating-the-cache\" title=\"1. Updating the cache\">1. Updating the cache<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#2-Query-installed-packages\" title=\"2. Query installed packages\">2. Query installed packages<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#3-Install-additional-PHP-modules\" title=\"3. Install additional PHP modules\">3. Install additional PHP modules<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#4-Getting-package-information-%E2%80%93-the-lazy-way\" title=\"4. Getting package information &#8211; the lazy way\">4. Getting package information &#8211; the lazy way<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#5-Cleaning-up\" title=\"5. Cleaning up\">5. Cleaning up<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1-Updating-the-cache\"><\/span>1. Updating the cache<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before we begin it is useful to update our Yum cache database with the latest package information. This command will update the cache database from the currently enabled yum repositories on our system and it is particularly useful so that yum does not update its information every time we want to install something or query a package for information.<\/p>\n<pre># yum makecache\n\nbase | 3.6 kB 00:00:00\nepel\/x86_64\/metalink | 14 kB 00:00:00\nepel | 4.3 kB 00:00:00\nextras | 3.4 kB 00:00:00\nupdates | 3.4 kB 00:00:00\nwebtatic | 3.6 kB 00:00:00\n(1\/14): base\/7\/x86_64\/other_db | 2.4 MB 00:00:00\n(2\/14): epel\/x86_64\/filelists_db | 7.5 MB 00:00:00\n(3\/14): epel\/x86_64\/updateinfo | 728 kB 00:00:00\n(4\/14): epel\/x86_64\/primary_db | 4.5 MB 00:00:00\n(5\/14): updates\/7\/x86_64\/filelists_db | 1.5 MB 00:00:00\n(6\/14): updates\/7\/x86_64\/prestodelta | 285 kB 00:00:00\n(7\/14): updates\/7\/x86_64\/primary_db | 2.2 MB 00:00:00\n(8\/14): epel\/x86_64\/other_db | 2.0 MB 00:00:00\n(9\/14): extras\/7\/x86_64\/prestodelta | 101 kB 00:00:00\n(10\/14): extras\/7\/x86_64\/filelists_db | 423 kB 00:00:00\n(11\/14): updates\/7\/x86_64\/other_db | 24 MB 00:00:00\n(12\/14): extras\/7\/x86_64\/other_db | 423 kB 00:00:00\n(13\/14): webtatic\/x86_64\/filelists_db | 89 kB 00:00:00\n(14\/14): webtatic\/x86_64\/other_db | 65 kB 00:00:00\nMetadata Cache Created\n<\/pre>\n<p>From the output, we can see that the enabled repositories on our system are the\u00a0base, epel, extras, updates and the webtatic repositories.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2-Query-installed-packages\"><\/span>2. Query installed packages<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Imagine that you are connected to someone&#8217;s server and you need to figure out what is already installed. You can <strong>list all installed packages with yum<\/strong> using:<\/p>\n<pre># yum list installed\n<\/pre>\n<p>The output should be a long list of packages. This isn&#8217;t very usefully to us, unless we are preparing an internal documentation for reference purposes. So let&#8217;s go further and filter\u00a0out the results a bit. We wish to find out all of the PHP-related packages.<\/p>\n<pre>#\u00a0yum list installed | grep php\n\nphp71w-cli.x86_64 7.1.0-1.w7 @webtatic\nphp71w-common.x86_64 7.1.0-1.w7 @webtatic\nphp71w-devel.x86_64 7.1.0-1.w7 @webtatic\nphp71w-fpm.x86_64 7.1.0-1.w7 @webtatic\nphp71w-gd.x86_64 7.1.0-1.w7 @webtatic\nphp71w-imap.x86_64 7.1.0-1.w7 @webtatic\nphp71w-mbstring.x86_64 7.1.0-1.w7 @webtatic\nphp71w-mcrypt.x86_64 7.1.0-1.w7 @webtatic\nphp71w-mysql.x86_64 7.1.0-1.w7 @webtatic\nphp71w-pdo.x86_64 7.1.0-1.w7 @webtatic\nphp71w-pear.noarch 1:1.10.1-1.w7 @webtatic\nphp71w-pecl-apcu.x86_64 5.1.7-1.w7 @webtatic\nphp71w-pecl-apcu-devel.x86_64 5.1.7-1.w7 @webtatic\nphp71w-pecl-mongodb.x86_64 1.2.1-1.w7 @webtatic\nphp71w-process.x86_64 7.1.0-1.w7 @webtatic\nphp71w-snmp.x86_64 7.1.0-1.w7 @webtatic\nphp71w-xml.x86_64 7.1.0-1.w7 @webtatic\n<\/pre>\n<p>This is much better, and it will allow us to see all of the <code>php*<\/code> packages on our system. The output above is as follows. The first column is the package name. The second column is the package version and the third column is the repository from where the package has been installed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3-Install-additional-PHP-modules\"><\/span>3. Install additional PHP modules<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Now let&#8217;s install some additional PHP modules.\u00a0We already know that our system uses <code>php71<\/code>, so we will need to look for <code>php71*<\/code> available modules.<\/p>\n<pre># yum search php71\n\nmod_php71w.x86_64 : PHP module for the Apache HTTP Server\nphp71w-bcmath.x86_64 : A module for PHP applications for using the bcmath library\nphp71w-cli.x86_64 : Command-line interface for PHP\nphp71w-common.x86_64 : Common files for PHP\nphp71w-dba.x86_64 : A database abstraction layer module for PHP applications\nphp71w-devel.x86_64 : Files needed for building PHP extensions\nphp71w-embedded.x86_64 : PHP library for embedding in applications\nphp71w-enchant.x86_64 : Enchant spelling extension for PHP applications\nphp71w-fpm.x86_64 : PHP FastCGI Process Manager\nphp71w-gd.x86_64 : A module for PHP applications for using the gd graphics library\nphp71w-imap.x86_64 : A module for PHP applications that use IMAP\nphp71w-interbase.x86_64 : A module for PHP applications that use Interbase\/Firebird databases\nphp71w-intl.x86_64 : Internationalization extension for PHP applications\nphp71w-ldap.x86_64 : A module for PHP applications that use LDAP\nphp71w-mbstring.x86_64 : A module for PHP applications which need multi-byte string handling\nphp71w-mcrypt.x86_64 : Standard PHP module provides mcrypt library support\nphp71w-mysql.x86_64 : A module for PHP applications that use MySQL databases\nphp71w-mysqlnd.x86_64 : A module for PHP applications that use MySQL databases\nphp71w-odbc.x86_64 : A module for PHP applications that use ODBC databases\nphp71w-opcache.x86_64 : An opcode cache Zend extension\nphp71w-pdo.x86_64 : A database access abstraction module for PHP applications\nphp71w-pdo_dblib.x86_64 : MSSQL database module for PHP\nphp71w-pear.noarch : PHP Extension and Application Repository framework\nphp71w-pecl-apcu.x86_64 : APCu - APC User Cache\nphp71w-pecl-apcu-devel.x86_64 : APCu developer files (header)\nphp71w-pecl-igbinary.x86_64 : Replacement for the standard PHP serializer\nphp71w-pecl-igbinary-devel.x86_64 : Igbinary developer files (header)\nphp71w-pecl-mongodb.x86_64 : PECL package MongoDB driver\nphp71w-pecl-redis.x86_64 : Extension for communicating with the Redis key-value store\nphp71w-pecl-xdebug.x86_64 : PECL package for debugging PHP scripts\nphp71w-pgsql.x86_64 : A PostgreSQL database module for PHP\nphp71w-phpdbg.x86_64 : Interactive PHP debugger\nphp71w-process.x86_64 : Modules for PHP script using system process interfaces\nphp71w-pspell.x86_64 : A module for PHP applications for using pspell interfaces\nphp71w-recode.x86_64 : A module for PHP applications for using the recode library\nphp71w-snmp.x86_64 : A module for PHP applications that query SNMP-managed devices\nphp71w-soap.x86_64 : A module for PHP applications that use the SOAP protocol\nphp71w-tidy.x86_64 : Standard PHP module provides tidy library support\nphp71w-xml.x86_64 : A module for PHP applications which use XML\nphp71w-xmlrpc.x86_64 : A module for PHP applications which use the XML-RPC protocol\n<\/pre>\n<p>Now let&#8217;s find out how can we retrieve\u00a0some package information. This implies to both installed and not yet installed packages.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4-Getting-package-information-%E2%80%93-the-lazy-way\"><\/span>4. Getting package information &#8211; the lazy way<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Let&#8217;s imagine that one of your colleagues (without administrative privileges) asked you to install Lynx and MC for him. Now you are probably asking what those packages are and you are too lazy to look that up on a browser.<\/p>\n<pre># yum info lynx\nInstalled Packages\nName        : lynx\nArch        : x86_64\nVersion     : 2.8.8\nRelease     : 0.3.dev15.el7\nSize        : 5.4 M\nRepo        : installed\nFrom repo   : base\nSummary     : A text-based Web browser\nURL         : http:\/\/lynx.isc.org\/\nLicence     : GPLv2\nDescription : Lynx is a text-based Web browser. Lynx does not display any images,\n            : but it does support frames, tables, and most other HTML tags. One\n            : advantage Lynx has over graphical browsers is speed; Lynx starts and\n            : exits quickly and swiftly displays web pages.\n\n# yum info mc\nInstalled Packages\nName : mc\nArch : x86_64\nEpoch : 1\nVersion : 4.8.7\nRelease : 11.el7\nSize : 5.6 M\nRepo : installed\nFrom repo : base\nSummary : User-friendly text console file manager and visual shell\nURL : http:\/\/www.midnight-commander.org\/\nLicence : GPLv3+\nDescription : Midnight Commander is a visual shell much like a file manager, only\n: with many more features. It is a text mode application, but it also\n: includes mouse support. Midnight Commander's best features are its\n: ability to FTP, view tar and zip files, and to poke into RPMs for\n: specific files.\n<\/pre>\n<p>From the output, we can tell that <code>lynx<\/code> is a terminal based web browser, and <code>mc<\/code> is a terminal based, user-friendly file manager.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5-Cleaning-up\"><\/span>5. Cleaning up<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once we have finished working, it is useful to clean up\u00a0any unwanted cache files. These files are stored in <code>\/var\/cache\/yum<\/code> and are created by the <code>yum makecache<\/code> command. To clear the cache just run:<\/p>\n<pre># yum clean all\n<\/pre>\n<hr \/>\n<p>Of course, you don\u2019t have to list installed packages with yum, if you use one of our <a href=\"https:\/\/www.rosehosting.com\/managed-vps-hosting.html\">Managed VPS Hosting\u00a0Services<\/a>, in which case you can simply ask our expert Linux admins to list all installed packages with yum, on your server. They are available 24\u00d77 and will take care of your request immediately. You can also consider reading our post about <a href=\"https:\/\/www.rosehosting.com\/blog\/list-all-installed-packages-with-yum-on-centos-7\/\">List All Installed Packages with yum on CentOS 7<\/a>.<\/p>\n<p><span style=\"color: red;\">PS.<\/span> If you liked this post on how to list installed packages with yum, please share it with your friends on the social networks using the buttons below or simply leave a reply in the comments sections. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this short tutorial, we&#8217;ll show you, how to list installed packages with yum. This includes using the yum caching &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"List Installed Packages With yum\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/#more-21435\" aria-label=\"Read more about List Installed Packages With yum\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":24772,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1236],"tags":[34,1251],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>List Installed Packages With yum - RoseHosting<\/title>\n<meta name=\"description\" content=\"List Installed Packages With yum - RoseHosting\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rosehosting.com\/blog\/list-installed-packages-and-query-package-information-with-yum\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"List Installed Packages With yum - 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