Where is yum history stored?

Where is yum history stored?

/var/lib/yum/history
To database are normally found in /var/lib/yum/history/ directory. The history option was added at the the end of 2009 (or thereabouts) to yum command. The history command allows an admin to access detailed information on the history of yum transactions that have been run on a system.

Why is yum clean all?

“yum clean” removes the cache of repositories which are enabled in /etc/yum.

Why is yum clean?

When a package is downloaded, installed and removed there are chances that the package may still be stored in YUM’s cache. There will be situations where we need to clean the YUM cache to reclaim the disk space used or to fix some errors due to corrupted metadata files.

How do you list all YUM installed packages?

The procedure is as follows to list installed packages:

1. Open the terminal app.
2. For remote server log in using the ssh command: ssh user@centos-linux-server-IP-here.
3. Show information about all installed packages on CentOS, run: sudo yum list installed.
4. To count all installed packages run: sudo yum list installed | wc -l.

What is yum history?

The yum history command allows users to review information about a timeline of Yum transactions, the dates and times on when they occurred, the number of packages affected, whether transactions succeeded or were aborted, and if the RPM database was changed between transactions.

How do I find all the packages in Yum?

Find the total count of packages and filter some of the packages I am interested in. And now we can start the process. yum command have list option which will list all packages from currently available repositories. This will check all currently enabled repositories. We have listed all packages.

What is the format of the output of Yum?

The format of the output of yum list is: name.arch [epoch:]version-release repo or @installed-from-repo yum list [all | glob_exp1] [glob_exp2] […] List all available and installed packages.

How are groups marked as installed in Yum?

Groups are marked as “installed” if all mandatory packages are installed, or if a group doesn’t have any mandatory packages then it is installed if any of the optional or default package are installed. The optional “hidden” argument will also list groups marked as not being “user visible”.

How to create a local repository in Yum?

Let’s go through a step by step method of creating a local YUM repository. Step 1: Copy all the .rpm packages from your Installation disk (also all your collected packages) to an isolated folder on your system. Step 2: For showing you this example, i will be copying all the .rpm packages inside /var/yum folder ?