> ## Content Index > Fetch the complete content index at: https://itsfoss.com/llms.txt > Use this file to discover other available public pages before exploring further. # Managing Packages in openEuler - URL: https://itsfoss.com/openeuler-managing-packages/ - Published: 2024-11-11T14:50:15.000Z - Updated: 2025-01-28T13:55:09.000Z - Description: Let's get in the terminal and learn to manager packages with DNF commands in openEuler. - Author: Sreenath - Tags: openEuler As I have mentioned numerous time earlier that openEuler is based on [CentOS](https://www.centos.org/?ref=itsfoss.com). This means, like any distro in the Red Hat domain, it uses DNF package manager. DNF is a popular packager manager and you should not find any difficulties in using. This tutorial here provides examples for some of the common usage of the DNF command for installing, removing and managing software on your openEuler system. ## Update the system Like any other system, the first step in managing packages is to check whether the installed packages are up-to-date or not. Open a terminal and run the command: ```shell sudo dnf update ``` This will check the repo for any package version changes and updates your system accordingly. All package and their dependencies will be updated with this command. If you want to see what packages have updates available, use: ```shell dnf check-update ``` 📋 There is also a way to update individual packages using DNF. For this use, `sudo dnf update `. Always try to update entire system instead of individual packages whenever possible. ## List installed packages To know what packages are installed on the system, us the command below: ```shell dnf list all | less ``` Piping to [less command](https://itsfoss.com/less-command/) allows you to easily navigate your way through the long list. At the same time, to know a particular package is installed, replace `all` with package name or expression: ```shell dnf list ``` ## Search for a package To install a particular package, you need the proper name of that package in the repository. But if you don't know that name, use the `search` option in DNF to get the package name. ```shell dnf search ``` You will get a neat list of packages that match the search term. 🚧 If you are searching for a package for the first time after a gap, dnf need to update the cache. So, it may take a while to do that. The package matches are given in multiple sections, like Name match, description match, etc. ![When a package is searched using the dnf search command, multiple sections are searched. Like Name, summary, name and summary. Wherever the search term appears, it will be printed for you to select.](https://itsfoss.com/content/images/2024/11/package-search-match.png) Search for a package ## Get package information Now that you got a list of packages that matches the name you searched. Let's see what that package is all about without installing it. ```shell dnf info ``` This will print relevant information about the package. In the screenshot below, you can see the details like version, a small summary, etc. are displayed for the package. ![Information about a package is shown using the dnf info command. Here, information about the gimp package is displayed.](https://itsfoss.com/content/images/2024/11/package-info-dnf.png) Package Information ## Install the package Did you get the exact package you were looking for? Then it's time to install it. Use the command: ```shell sudo dnf install ``` This will download and install the mentioned package to your system. You can also install multiple packages in one command: ```shell sudo dnf install --setopt=strict=0 ``` 🚧 Here, we use the `--setopt=strict=0` flag to make sure that, issues like unavailable packages or broken dependencies affect the transaction. But if the skipped part are essential, you need to take care that afterwards. ### Download a package and install it DNF provides a solution to download a package and then install separately. First, download the single package using: ```shell dnf download ``` Or, download the package with dependencies: ```shell dnf download --resolve ``` Now, install the single package using the command: ```shell sudo dnf install ``` To install package and downloaded dependencies, go to the folder where the packages are downloaded. Now install using: ```shell sudo dnf install ./*.rpm ``` ## Remove a package When you don't need a particular package, it is good to remove it from the system. First, get the proper package name of the program. Now, run the command: ```shell sudo dnf remove ``` You can use the `autoremove` command to uninstall all the unnecessary package dependencies that are not needed anymore. ```shell sudo dnf autoremove ``` ## Install and remove a package group Sometimes, packages are grouped together based on the purpose. For example, to list all the package groups, use the command: ```shell dnf group list ``` This will list all the installed package group as well as the available package groups. ![List the installed and available groups in openEuler. We use the dnf group list command.](https://itsfoss.com/content/images/2024/11/list-groups-openeuler.png) List package groups You can see in the screenshot above, we have installed. Now, let's say we want to install the “Development Tools” group. So, first, look for a short info about the group. ```shell dnf group info "Development Tools" ``` ![Print the details of the “Development Tools” group of packages. This will print the packages included in this group. The screenshot contains only some packages in this list. You can view more by scrolling.](https://itsfoss.com/content/images/2024/11/gorup-info-dnf-openeuler.png) Print package group information As you can see, this prints what all packages are available in this group. To install this group, use: ```shell sudo dnf group install "Development Tools" ``` The packages specified in the group will be installed on your system. Now, to remove a package group, follow the same procedure, except specify group. ```shell sudo dnf group remove group-name ``` ## Common DNF commands at a glance | Description | Command | | ------------------------------------------------ | -------------------------------------------------------- | | List installed packages | dnf list all | | Search for installed package | dnf list | | Check for available updates | dnf check-update | | Update the system | sudo dnf update | | Update individual package | sudo dnf update | | Search for a package in repository | dnf search | | Get package information | dnf info | | Download a package | dnf download | | Download package with dependencies | dnf download --resolve | | Install a package from repository | sudo dnf install | | Install multiple packages | sudo dnf install --setopt=strict=0 | | Install a downloaded package | sudo dnf install | | Remove a package | sudo dnf remove | | Remove unused dependencies and residual packages | sudo dnf autoremove | | List all package groups | dnf group list | | Get group information | dnf group info "Development Tools" | | Install a group packages | sudo dnf group install | | Remove a package group | sudo dnf group remove |