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How to use TCPdump with examples

Hello, friends. Getting network statistics is a basic task that allows you to monitor what is going on with your network. So, today, you...

How to Use ethtool Command with examples

Hello, friends. In this post, you will learn how to use ethtool Command to correctly manipulate your Ethernet card on Linux. We will also...

How to increase load with stress command on Linux

Hello, friends. Many times we want to experience how good is our processor when the workload is very high. Occasionally, we can't do it...

How to list dependencies of a RPM package using DNF

If you would like to learn how to list the dependencies of an RPM package using DNF, then you have to read this post....

How to fix “Briefly unavailable for scheduled maintenance” error on WordPress?

Hello, friends. If you have a WordPress site, you will know that sometimes some unwanted errors occur that can give us a headache. So,...

Install Samba Server with Selinux and Firewalld Enabled

Hello, friends. In this post, you will learn how to Install Samba Server with Selinux and Firewalld Enabled. For this post, we will use...

How to Flush Local DNS Cache on Linux

Hello, friends. In this post, you will learn how to flush local DNS cache on Linux. This trick can improve your connection in some...

How to solve “An unexpected error occurred…server’s configuration” on WordPress

Hello, friends. When an error happens on WordPress, it's a total headache. Something is wrong, and occasionally, we have no idea what could have...

How to install nmon to monitor Linux

Hello, friends. In this post, you will learn how to install nmon on Linux. With this tool, you will be able to monitor a...

Nagios Core installation on Ubuntu 22.04

This post is about Nagios Core installation on Ubuntu 22.04 Nagios XI provides monitoring of all mission-critical infrastructure components including applications, services, operating systems, network...

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