How To Install RPM Packages On CentOS.
In this tutorial, we will show you two methods of how to install RPM packages on CentOS.
RPM is a packaging system used by Red Hat and its derivatives such as CentOS and Fedora.
The official CentOS repositories contain thousands of RPM packages that can be installed using the yum command-line utility. Packages that are not available in the standard CentOS repositories can be easily installed by enabling the appropriate repository.
But not all software vendors provide a yum repository for their application. Most often in, those situations, they will have a download page from where you can download and install the RPM package or download and compile the software from sources.
Before You Begin
When installing RPM packages, make sure they are built for your system architecture and your CentOS version .
You should avoid using this method to replace or update important system packages, like glibc, systemd, or other services and libraries that are essential for the proper functioning of your system. Doing this may lead to errors and system instability.
To install RPM packages, you need to be logged in as a root or user with sudo privileges .
Usually, you would use a web browser to search and download an RPM file. Once you locate the file, you can download it using your browser or using a commandoline tool like curl or wget .
Installing RPM packages with yum
yum is the default package manager tool in CentOS. It is used to install, remove, download, query, and update packages from the official CentOS repositories as well as other third-party repositories.
The first step is to download the RPM file that you want to install:
To install the package, use the yum localinstall command followed by the path to the package name:
yum will prompt you for confirmation. Answer y and the RPM package will be installed, assuming it’s compatible with your system, and all dependencies are met.
If the RPM package depends on other packages that are not currently installed, and if those packages are available in the repositories enabled on your system, yum will install all dependencies. Otherwise, yum will print a list of all the missing dependencies you will have to download and manually install those packages.
Instead of downloading and then installing the RPM package you can simply pass the URL to the RPM package to the yum localinstall command:
To update an RPM package that it is already installed with yum, use the same procedure as when installing the package.
If for some reason you want to remove the installed package use the standard yum remove command followed by the package name:
Installing RPM packages with rpm
rpm is a low-level tool that is used to install, uninstall, upgrade, query, and verify RPM packages.
To install an RPM package use the rpm -i command followed by the RPM package name:
The -v option tells rpm to show verbose output and -h to show the hash marked progress bar.
If the package depends on other packages that are not installed on the system, rpm will display a list of all missing dependencies. You will have to download and install all dependencies manually.
Instead of downloading and the installing the RPM package, you can use the URL to RPM package as an argument:
To update a package, use the -U option:
If the package you are trying to update is not installed, the rpm -U command will install it.
To install an RPM package without having all the required dependencies installed on the system, use the –nodeps option:
To remove (erase) a package use the rpm -e command, followed by the package name:
In this tutorial, we have shown you how to install RPM packages on CentOS.
You should prefer using yum over rpm as it automatically resolves all dependencies for you.