dnf – POFTUT

Tagged: dnf

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Rpm, Yum, Dnf “NOKEY” Public Key Check Error and Solution

Rpm is very popular and secure package management format and application. Recent version of the rpm and yum command uses Public Key Check in order to make installation more secure. This is done by checking integrity of the rpm package. NOKEY Error We generally see the error during a package installation with rpm or yum command. Show Signature If we want to get more details about the signature of the...

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Yum Repository Configuration For RedHat, CentOS and Fedora

yum is a tools used to management rpm packages in distributions like RedHat, CentOS, Fedora etc. Most know feature of yum is using repositories in order to manage packages download and resolve dependencies. In this tutorial we will examine the yum repository configuration. List Yum Repository Configurations yum repositories are stored as files with related configuration. This configuration files are stored in /etc/yum.repos.d/ . We can list currently created repositories with ls command like below.

Repository...

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Linux “Apt-Get Command Not Found” Error Solution

Linux distributions are using package managers in order to install, update and remove applications. In the old days there are very less package managers those are not so good. In to day they are very talented. apt-get command not found is command error type which is shown while installing, updating and removing applications. In this tutorial we will look some error cases and solutions. Error As an example when try...

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How To Install and Upgrade RPM Packages In CentOS, RHEL, Fedora, Mandriva

rpm is the package format used by popular distributions like RHEL, CentPOS, Fedora and Mandriva. We generally prefer to use yum command to install packages from internet automatically and easily. In some cases we may need to install rpm packages solely. In this tutorial we will look how to solve dependency and install rpm package. Linux Rpm Command With Examples Download RPM Package We can get RPM files from different...

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How To Install Updates In Ubuntu, Debian, Mint, Kali

When we connect to our Linux systems like Ubuntu, Debian, Mint and Kali we see that there is a notification like below. This notification says that we hve new updates and we need to install them. Some of the updates are bug fix and some of the are security update. We will look how to install them. More information about apt can be found int the following tutorial. Apt and Apt-Get...

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Yum Command Tutorial With Examples For Linux Package Management Like Install, Update Remove

Linux applications installed (generally) as packages. Packages contains required files like binary, configuration, database, data, graphic etc. All files packaged to one file named rpm. There is a lot of packages in fedora or other rpm based distribution to manage. Keep in mind that there is also different version of packages like a1,a2,a3. Packages are named like wireshark-1.10.7-3.fc20.x86_64. Here wireshark is package real name as we know, 1.10.7-3 is the version...

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