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--- linux:redhat_yum [2021/01/01 21:25]
127.0.0.1 external edit
+++ linux:redhat_yum [2024/09/26 17:34] (current)
manu [Yum disable RedHat subscription]
@@ Line 1: / Line 1: @@
 ===== What is YUM? =====
+On latest verions (8) DNF replace YUM
 YUM (Yellowdog Updater Modified) is an open source command-line as well as graphical based package management tool for RPM (RedHat Package Manager) based Linux systems. It allows users and system administrator to easily install, update, remove or search software packages on a systems. It was developed and released by Seth Vidal under GPL (General Public License) as an open source, means anyone can allowed to download and access the code to fix bugs and develop customized packages. YUM uses numerous third party repositories to install packages automatically by resolving their dependencies issues.
+==== Exclude kernel updates ====
+<cli prompt='#'>
+# vi /etc/dnf/dnf.conf
+[main]
+cachedir=/var/cache/yum/$basearch/$releasever
+keepcache=0
+debuglevel=2
+logfile=/var/log/yum.log
+exactarch=1
+obsoletes=1
+gpgcheck=1
+plugins=1
+installonly_limit=5
+bugtracker_url=http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum
+distroverpkg=centos-release
+exclude=kernel* redhat-release* kmod-kvdo
+</cli>
+Or using command line
+<cli prompt='#'>
+# dnf --exclude=kernel\* --exclude=redhat-release\* update
+</cli>
 ==== Install a Package with YUM ====
@@ Line 45: / Line 72: @@
 # yum -y install firefox
 </cli>
+When you have conflicts, you can add options
+<cli prompt='#'>
+# yum update –-allowerasing
+</cli>
+==== Install a Package from a local folder ====
+<cli prompt='#'>
+# yum --disablerepo=* localinstall *.rpm
+# yum --disablerepo=* localinstall foo.rpm bar.rpm baz.rpm
+</cli>
 ==== Removing a Package with YUM ====
@@ Line 624: / Line 665: @@
 You can disable all plug-ins by changing this line to **plugins=0**
+===== Work with Redhat package modules =====
+List available package
+<cli prompt='#'>
+[root@rheltpl9 ~]# yum info postgresql-server.ppc64le
+Updating Subscription Management repositories.
+Available Packages
+Name         : postgresql-server
+Version      : 13.16
+...
+</cli>
+List available module package
+<cli prompt='#'>
+[root@rheltpl9 ~]# yum module list  postgresql
+Updating Subscription Management repositories.
+...
+Name              Stream         Profiles                      Summary
+postgresql        15             client, server [d]            PostgreSQL server and client module
+postgresql        16             client, server [d]            PostgreSQL server and client module
+Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled
+</cli>
+Enable Postgres version 16
+<cli prompt='#'>
+[root@rheltpl9 ~]# yum module reset postgresql
+Updating Subscription Management repositories.
+[root@rheltpl9 ~]# yum module enable postgresql:16
+Updating Subscription Management repositories.
+...
+Dependencies resolved.
+=============================================================================================================
+ Package                                            Architecture                                      Version                                            Repository                                          Size
+=============================================================================================================
+Enabling module streams:
+ postgresql                                                                                           16
+Transaction Summary
+============================================================================================================
+Is this ok [y/N]: y
+Complete!
+[root@rheltpl9 ~]# yum module list  postgresql
+Updating Subscription Management repositories.
+...
+Name             Stream            Profiles                                Summary
+postgresql       15                client, server [d]                      PostgreSQL server and client module
+postgresql       16 [e]            client, server [d]                      PostgreSQL server and client module
+Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled
+[root@rheltpl9 ~]# yum info postgresql-server.ppc64le
+Updating Subscription Management repositories.
+...
+Available Packages
+Name         : postgresql-server
+Version      : 16.4
+</cli>

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