A few months ago, I was managing a Linux server that hosted several critical applications, including a PostgreSQL database. As part of routine maintenance, I was tasked with setting up automated backups for the database. Everything was going smoothly, until…
The CentOS Project has officially announced the release of CentOS Stream 10, codenamed “Coughlan.” Now available for download, this release brings a host of exciting new features, software updates, and improvements, continuing CentOS Stream’s evolution as a rolling-release distribution closely…
In Linux, users are crucial components of the system. They are assigned various permissions and privileges that determine what they can do on the system. Understanding how to list all users on a Linux system is a key administrative task,…
Linux is an essential skill for anyone pursuing a career in IT, cybersecurity, development, or system administration. With its open-source nature, Linux powers everything from web servers and data centers to smartphones and cloud environments. But with so many different…
NetworkManager Tools NetworkManager is a system service in Linux distributions that manages network devices and connections. Here are some tools you can use to control NetworkManager and refresh the network interface configuration: Using Ansible For automated and remote configuration, you…
Introduction to the nmcli Command The nmcli command is a powerful command-line tool in Red Hat Enterprise Linux (RHEL) used to manage network connections through the NetworkManager service. It provides a comprehensive interface for configuring, monitoring, and troubleshooting various network…
When I first encountered the Nmstate API, I was intrigued by its declarative approach to network configuration. As someone who has spent time managing network settings on Red Hat Enterprise Linux (RHEL) systems, I often found myself frustrated with the…
In my experience with RHEL 9, I’ve found it to be an incredibly robust platform for managing networking configurations. One of the standout features is NetworkManager, which I’ve relied on extensively. This system service effectively oversees all network devices and…
The VI editor is a powerful text editing tool that has been a staple in the UNIX and Linux environments for decades. While many users are familiar with its basic functionalities, such as opening files and entering text, mastering advanced…
Linux Tips Mastering Linux Management Basic VI Editor Commands To start vi: Example: vi letter will open a new file called letter to edit, or if letter already exists, open the existing file. Command Effect vi filename Edit filename starting…
