How to fix nmcli connection up Error: unknown connection issue in Linux CentOS/RHEL
If you are facing Error:unknown connection when trying to change network interface in Linux using nmcli. Please follow below steps …
Linux Tutorials
Practical Linux tutorials based on real-world server administration, covering system management, performance tuning, security, and troubleshooting in production environments.
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Step-by-Step to Configure Software RAID in Linux
Software RAID in Linux is a powerful solution for enhancing storage performance, redundancy, and fault tolerance without requiring dedicated hardware …
Step-by-step to Switch Boot Target to text or GUI in Linux Systemd
In Linux, the system boots into different modes, known as targets, managed by systemd. By default, a system may start …
NIC Teaming in Linux: Step-by-Step Guide
NIC Teaming in Linux is a powerful networking technique that improves bandwidth, fault tolerance, and load balancing by combining multiple …
How to Manage Ubuntu Security Updates Effectively
In this tutorial we will check and Install only Security Updates in Ubuntu Linux
What is LVM in Linux and How to Create LVM in Linux
1. What is LVM in Linux and why do we go for LVM? LVM means Logical Volume Management. The combination …
Step-by-Step Guide to Apache Server Configuration on Ubuntu Red Hat
A Web server delivers content or services to users over the Internet. It includes a physical server, an operating system, …
How to Increase Number of Open Files Limit (ulimit) in Linux
Managing the number of open files limit in a Linux system is essential, especially for servers and applications that require …
Alias Command in Linux : How to Create and Use It?
Alias command in Linux serves as a powerful tool for creating shortcuts to commands, significantly enhancing user efficiency and productivity. …
Using systemctl list services to View Running Services in Linux
What is Systemd? Systemd is an init system and system manager that has become the standard for most Linux distributions. …
10 strace command in Linux for Effective Process Troubleshooting
As a Linux system administrator, troubleshooting process-related issues can be a daunting task. With the increasing complexity of modern systems, …
RHEL Linux Security Patch Management: A Comprehensive Guide
Introduction to Linux Security Patch Management Effective Linux Security Patch Management is crucial for maintaining the integrity and security of …
How to configure logserver Rsyslog Client in RHEL
Configure logserver Rsyslog Client to enhance log management in your network architecture. Rsyslog is a free and open-source logging application used …
How to Install LAMP Stack on CentOS/RHEL 9: A Step-by-Step Guide
Introduction In this guide, we will install LAMP Stack on CentOS/RHEL 9, a powerful combination of open-source software that includes the …
How to Diagnose and Fix High CPU Utilization in Linux
High CPU utilization in Linux systems can be a frustrating challenge, especially when it impacts the performance of critical applications …
Top 15 netstat Commands in Linux with Examples for System Administrators
netstat command in linux is a command-line tool used to view and analyze network connections and statistics. The tool provides …
How to configure rsyslog logserver in Linux CentOS RHEL 8
What is rsyslog logserver? Rsyslog is an open-source software utility that provides a reliable and efficient way to manage log …
top command in Linux with Examples
The top command in Linux is a powerful and widely used utility for monitoring system performance and resource usage in real-time. It …