How to configure Postfix Mail Server in Linux
1. What is a Mail Server? A mail server, also known as an email server, is a server responsible for …
Linux
Explore the Linux category for insights, tutorials, and tips on distributions, system administration, security, and open-source software for all skill levels.
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How to configure Iptables & Firewalld in Linux CentOS/RHEL
1. What are Iptables or firewalls? IP tables is a command-line firewall utility that uses policy chains to allow or …
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 …
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 …
7 Best CentOS Alternatives: Find the Right Linux Distro for You
If you’re searching for the best CentOS alternatives, you’re not alone. Since CentOS shifted its focus to CentOS Stream, many …
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 Install and configure phpMyAdmin in CentOS 8 / RHEL 8 Linux
What is phpMyAdmin? phpMyAdmin is a powerful, web-based application designed for managing MySQL databases through a graphical user interface (GUI). …
phpMyAdmin restrict access to Enhance Security
The phpMyAdmin interface is accessible by default from any IP address. You can limit access to the application by configuring …
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 …