How do i display information about updates using yum?

shoebill

There is various information that you can obtain from the installed yum repositories.

The yum command provides and option updateinfo, that comes with a number of sub-commands.

	       yum updateinfo info [all | available | installed | updates]
	       yum updateinfo list [all | available | installed | updates]
		yum  updateinfo	 [summary]  [all  |  available	|  installed |
	      updates]

Arguments

	      They all take as arguments:

	       * <advisory> [advisory...]   Is	used  to  display  information
	      about one or more advisories.

		* <package> [package...]  Is used to display information about
	      one or more packages.

	       * bugzillas / bzs Is the subset of the updateinfo  information,
	      pertaining to the bugzillas.

		* cves Is the subset of the updateinfo information, pertaining
	      to the CVEs.

	       * enhancement Is the subset of the updateinfo information, per-
	      taining to enhancements.

		* bugfix Is the subset of the updateinfo information, pertain-
	      ing to bugfixes.

	       * security / sec Is the subset of the  updateinfo  information,
	      pertaining to security.

		*  severity  /	sev Include security relevant packages of this
	      severity.

	       * recommended Is the subset of the updateinfo information, per-
	      taining to recommended updates.

		*  new-packages	 Is  the subset of the updateinfo information,
	      pertaining to new packages. These	 are  packages	which  weren't
	      available at the initial release of your distribution.

Display list of information on all bugfixes

$ yum updateinfo list all bugfix
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: centos2.zswap.net
 * epel: mirror.us.leaseweb.net
 * extras: mirrors.greenmountainaccess.net
 * updates: mirror.grid.uchicago.edu
  FEDORA-EPEL-2016-6e37f92d4b bugfix 0install-2.11-1.el7.x86_64
  FEDORA-EPEL-2016-7b134b993d bugfix 389-admin-1.1.46-1.el7.x86_64
  FEDORA-EPEL-2016-6c9a62aabd bugfix 389-admin-console-1.1.12-1.el7.noarch
  FEDORA-EPEL-2016-6c9a62aabd bugfix 389-admin-console-doc-1.1.12-1.el7.noarch
  FEDORA-EPEL-2015-1095       bugfix 389-adminutil-1.1.21-2.el7.x86_64
  FEDORA-EPEL-2015-1095       bugfix 389-adminutil-devel-1.1.21-2.el7.x86_64
...
...
...

Display list of update information on enhancements.

$ yum updateinfo list all enhancement
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: centos2.zswap.net
 * epel: mirror.us.leaseweb.net
 * extras: mirrors.greenmountainaccess.net
 * updates: mirror.grid.uchicago.edu
  FEDORA-EPEL-2017-d960d7834c enhancement 0ad-0.0.22-1.el7.x86_64
  FEDORA-EPEL-2017-d960d7834c enhancement 0ad-data-0.0.22-1.el7.noarch
  FEDORA-EPEL-2016-8229efcf3a enhancement 2048-cli-0.9.1-1.el7.x86_64
  FEDORA-EPEL-2016-8229efcf3a enhancement 2048-cli-nocurses-0.9.1-1.el7.x86_64
  FEDORA-EPEL-2016-df9b446811 enhancement 2ping-3.2.1-2.el7.noarch
  FEDORA-EPEL-2016-bac57460bf enhancement Agda-2.3.2.2-5.el7.x86_64

Replace the argument for the type of information you need.