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Package Management with yum and rpm on CentOS: Install, Remove, and Manage Repositories

By admin March 23, 2026

A practical guide to package management with yum and rpm on CentOS: from installing and removing packages to adding repositories, handling dependencies, and rolling back after updates. Includes real-world experience from production server migrations.

Centos

Saving a server at 2 AM: A detailed guide to DNF Package Manager on RHEL/Rocky Linux

By admin March 19, 2026

At 2 AM, the server reported an error, and DNF was my savior. This article shares practical experience using DNF on RHEL/Rocky Linux, from basic commands to advanced tips, helping you confidently troubleshoot issues.

Fedora

Speed Up DNF on Fedora: Installing and Configuring Plugins for Faster Package Downloads

By admin March 3, 2026

A guide to installing and configuring DNF plugins on Fedora to speed up package downloads: enabling fastestmirror, parallel downloads, deltarpm, and optimizing /etc/dnf/dnf.conf. Ready to apply in under 5 minutes, suitable for both dev machines and servers.