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RHEL Warning: RPMDB altered outside of yum

When I try to update my server using the yum command I've been seeing the following error / warning message:

yum install aide
Loaded plugins: rhnplugin
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package aide.x86_64 0:0.14-3.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
 Package                                Arch                                     Version                                        Repository                                              Size
 aide                                   x86_64                                   0.14-3.el6                                     rhel-x86_64-server-6                                   123 k
Transaction Summary
Install       1 Package(s)
Total download size: 123 k
Installed size: 0
Is this ok [y/N]:
Downloading Packages:
aide-0.14-3.el6.x86_64.rpm                                                                                                                                            | 123 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : aide-0.14-3.el6.x86_64                                                                                                                                                    1/1
  aide.x86_64 0:0.14-3.el6

How do I fix this problem?

The message means you either used rpm command to install / remove package or other application made changes to the rpm database without using Yum API. This is just warning. To avoid this warning I recommend only using yum command or API to install, query, delete packages. To remove warning simply run
# yum clean all

Why has yum started to display this warning?

While it's possible that someone has hacked your machine and altered the rpmdb maliciously, it would have to be done poorly to trigger this warning. See this page for more information.

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{ 2 comments… add one }

  • Julian Stortt January 16, 2012, 10:26 am

    Cheers for clearing this up. Was getting a bit worried, think it is probably just something misconfigured with one of the packages in the yum update.

  • udosoft February 5, 2013, 6:10 pm

    it does not delete the warning “Warning: RPMDB altered outside of yum.”

    the right command is:
    yum history new

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