How to Find WWN, WWNN and WWPN Number of HBA Card in Linux

There are several ways/commands to determine the WWN of a Fibre Channel (FC) HBA and their details in Linux/Unix operating systems. What is SAN? Most IT industries use SAN (Storage …

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How to Create/Extend Swap Partition on Linux Using LVM

We use LVM for flexible volume management on Linux, so why not use LVM for swap space? This allows users to increase the swap partition whenever they want. Generally you …

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What is sosreport and How to Create sosreport in RHEL/CentOS/OL?

What is sosreport The sosreport command is a tool that collects configuration information, system information, and diagnostic information from the system running on the RHEL, CentOS, and Oracle Linux in …

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How to Find the Top 10 Largest Files in Linux

When you are running out of disk space in system, you may prefer to check with df command or du command or ncdu command. But all these will only show …

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How to Check/List All Packages Installed on Linux

As we know, package managers are one of the most contributors to the Linux system. Most of us prefer the command line interface for package management such as the YUM …

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hwinfo (Hardware Information) – A Nifty Tool for Finding System Hardware Information on Linux

hwinfo is a hardware information tool that can be used to analyze the hardware on a computer and display detailed information about various hardware components in a human readable format. …

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Dmidecode – A Best Tool to Get System Hardware Information on Linux

There are plenty of tools on Linux to check your Linux system’s hardware information. Most commands only report specific hardware components such as cpu or memory or hard disk, but …

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How to Check if Linux Server is Physical or Virtual

Most of the IT sector has migrated to the virtual environment (not just IT and many tech companies) to reduce infrastructure costs. But they still have physical servers for some …

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