Question 1

How do I install packages in RHEL 9?

Accepted Answer

In RHEL 9, you can install packages using DNF: sudo dnf install package-name. This automatically resolves dependencies and installs required libraries.

Question 2

How do I search for available packages in RHEL 9?

Accepted Answer

To search for packages, use sudo dnf search keyword. It lists all packages matching your query along with repository information.

Question 3

How do I update all packages in RHEL 9?

Accepted Answer

Run sudo dnf update to update all installed packages. Use sudo dnf upgrade for major system upgrades. You can also use --security for only security updates.

Question 4

What is the difference between DNF and RPM?

Accepted Answer

DNF is the default high-level package manager in RHEL 9, which automatically handles dependencies. RPM is a low-level tool used for manual installation, queries, or verification of packages.

Question 5

How do I remove a package in RHEL 9?

Accepted Answer

To remove a package, use sudo dnf remove package-name. This removes the package and any unused dependencies. Alternatively, rpm -e package-name can be used but does not handle dependencies.

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NMCLI Commands Guide for Linux Administrators

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