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When i try to do yum install body_guard from my local repo, it shows the following package details,

---> Package body_guard.x86_64 0:0.2-0313 will be updated
---> Package body_guard.x86_64 0:0.2-0315 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
============================================================================================================================================
===
 Package                               Arch                           Version                            Repository                       Size
===============================================================================================================================================
Updating:
 body_guard                         x86_64                         0.2-0315                           my-sg                          18 M

When i try to install an older version (say 312) of the same yum package, it fails No package body_guard.x86_64-0.2-0312 available

I used hypen as the seperator between package name and version number (format is packageName.archName-versionNumber), and issued the command as,

yum install body_guard.x86_64-0.2-0312

On doing, yum --showduplicates, i can see there exists a package with version numbered - 0.2-312

1

From yum man page:

Specifying package names
              A  package can be referred to for install,update,list,remove etc
              with any of the following:

              name
              name.arch
              name-ver
              name-ver-rel
              name-ver-rel.arch
              name-epoch:ver-rel.arch
              epoch:name-ver-rel.arch

              For example: yum remove kernel-2.4.1-10.i686

I think you misplaced {arch} it should be at last, the correct syntax is:

yum install <package_name>-<version>-<rel>.<arch>  

Try:

yum install body_guard-0.2-0312.x86_64
  • it says, Package matching body_guard-0.2-0312.x86_64 already installed. Checking for update. Nothing to do... It is not rolling back to old versions.... rpm -qa can confirm, the current version is 0.2-315 – Madhavan Sep 8 '15 at 9:40
  • 1
    then try yum downgrade body_guard-0.2-0312.x86_64 OR yum reinstall body_guard-0.2-0312.x86_64 – Tejas Sep 8 '15 at 9:44

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