How do I repair a corrupted rpm database?

How do I repair a corrupted rpm database?

Solution

1. Make a backup of /var/lib/rpm/ files. mkdir /var/lib/rpm/backup cp -a /var/lib/rpm/__db* /var/lib/rpm/backup/
2. Remove the database files to avoid stale locks. /var/lib/rpm/__db rm -f /var/lib/rpm/__db.[0-9][0-9] rpm –quiet -qa.
3. Rebuild the RPM database. rpm –rebuilddb yum clean all.

What causes rpm database corruption?

There are a number of factors that can lead to the RPM database corruption, such as incomplete previous transactions, installation of certain third-party software, removing specific packages, and many others.

How do I update all rpm packages?

You do not need to include the version number in the query, but the usage is: rpm -q . We can install the RPM package with the following command: rpm -ivh .

What happens during rpm upgrade?

The rpm command provides three main operations for upgrading and installing packages: Upgrade. An upgrade operation means installing a new version of a package and removing all previous versions of the same package. If you have not installed a package previously, the upgrade operation will install the package.

How do I force an rpm to update?

To install or upgrade a package, use the -U command-line option:

1. rpm -U filename.rpm. For example, to install the mlocate RPM used as an example in this chapter, run the following command:
2. rpm -U mlocate-0.22.2-2.i686.rpm.
3. rpm -Uhv mlocate-0.22.2-2.i686.rpm.
4. rpm –e package_name.
5. rpm –qa.
6. rpm –qa | more.

Where is RPM database stored?

/var/lib/rpm directory
The RPM database is located in /var/lib/rpm directory.

What is RPM DB?

The RPM database holds information about all the RPM packages installed on your system. You can use this database to query what is installed, to help determine if you have the latest versions of software, and to verify that your system is properly set up, at least from a packaging point of view.

What do you do when upgrading an RPM Package?

When you upgrade a RPM package, scripts are executed in following order: 1. %Pre of new package copy in files for new package 2. %Post of new package 3. %Preun of old package remove files of old package 4. %Postun of old package

How do you install RPM packages on Red Hat?

In order to install an RPM package you must first have the RPM package you are trying to install on your system. The Red Hat Customer Portal provides all the RPM packages included in our products in our Downloads area.

Why do I get error ” rpmdb open failed “?

Since I don’t have a UPS, my host system went down immediately. After few minutes, the power came, and I turned on the VM again and started the upgrade process. When I run the “yum update” command, I got this error message:

How to tell which rpm version is installed?

The rpm sets $1 argument with appropriate values to distinguish the number of rpm versions installed. During fresh installation of projectname-1.0-0, %install and %post scripts will be called with $1 set to 1 indicating that this is the only active version.