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Install LAMP Stack on CentOS 8 - Step by Step Process ?

This article covers how to install the LAMP stack on the CentOS system. If are using another Linux distribution, visit how to install LAMP stack on Debian, Ubuntu, Red Hat, and Rocky Linux. Basically, A LAMP stack is a collection of open-source software that you can use as a platform to create websites and web applications. The term LAMP is an acronym standing for Linux operating system, the Apache HTTP Server, the MySQL database system, and the PHP programming language.


In LAMP:

  • Linux serves as the server's operating system that handles all the commands on the machine.
  • Apache is a web server software that manages HTTP requests to deliver your website's content.
  • MySQL is a relational database management system (RDBMS) whose function is to maintain user's data on a server.
  • PHP is a scripting language for server-side communication.

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Open an Image in Linux Mint 20 Terminal

This article covers different ways of opening an image in Linux Mint 20 terminal. 

To install ImageMagick on Debian or Ubuntu, run the following command:

$ sudo apt-get update && sudo apt-get install imagemagick

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Install Webmin on Rocky Linux 8 - Step by Step Process ?

This article covers steps to Install and configure Webmin on Rocky Linux 8 using the automated installation script. Webmin web interface is used to set up user and disk management, Apache, DNS, PHP, MySQL, check CPU usage, system info, network config, and more.


How to Install Webmin using RPM package ?

It is also possible to install Webmin using the rpm package available on the download page of Webmin. This is the quickest way to get Webmin up and running on your Linux machine.

1. Install dependencies

Since Webmin is written in Perl, you need to install Perl and its dependencies:

$ sudo dnf install perl perl-Net-SSLeay perl-Data-Dumper perl-Encode-Detect

2. Download and Install Webmin RPM package

This will install the latest version of Webmin using the rpm package:

$ sudo dnf install https://www.webmin.com/download/rpm/webmin-current.rpm


How to uninstall Webmin ?

You can simply uninstall Webmin using the script /etc/webmin/uninstall.sh.

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SS Command in Linux with examples

This article covers how to use the ss Command on Linux. In fact, the ss command is a modern replacement for the classic netstat. You can use it on Linux to get statistics about your network connections. 

ss displays statistics for Transmission Control Protocol (TCP), User Datagram Protocol (UDP), Unix (interprocess), and raw sockets. Raw sockets operate at the network OSI level, which means TCP and UDP headers have to be handled by the application software, not by the transport layer. Internet Control Message Protocol (ICMP) messages and the ping utility both use raw sockets.

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Cut command in Linux with examples

This article covers the procedures in which to use the cut command in Linux system. In fact, the cut command in UNIX is a command line utility for cutting sections from each line of files and writing the result to standard output. It can be used to cut parts of a line by byte position, character and delimiter. It can also be used to cut data from file formats like CSV.

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Restart Bluetooth in Ubuntu 20.04 - How to do it ?

This article covers methods to install, configure, enable and then restart the Bluetooth service in the Ubuntu system. From time to time when you are using Ubuntu Linux and you want to use your Bluetooth headset to watch Netflix or YouTube videos you may experience some problems with the Bluetooth connection on Linux.


How to fix the issue "Bluetooth isn't available" when you wake up the system ?

When you put your system to sleep, there are chances Bluetooth won’t be available when you wake it up. In order to make everything work fine as before in most cases you will need to restart the system.

In order to fix this issue, we need to launch the Terminal and check whether we have the 4.48 version of Bluez. You can easily do that with this command:

$ dpkg --status bluez | grep '^Version:'

When you see the results, use the following commands to update to the latest version:

$ sudo add-apt-repository ppa:bluetooth/bluez
$ sudo apt-get update

After these commands, you will be able to update the Buez using:

$ sudo apt upgrade


How to fix the issue "Bluetooth headset won't play in A2DP (High Fidelity)" ?

In order to fix this issue, you will need to make your system detect the right type of Bluetooth device by adding a simple configuration file.

1. First, let's check whether we have all the dependencies installed:

$ sudo apt install pulseaudio pulseaudio-utils pavucontrol pulseaudio-module-bluetooth

2. When we verify it, we need to create or edit this audio config file:

$ sudo gedit /etc/bluetooth/audio.conf

Then, Include the next lines:

This section contains general options
[General]
Enable=Source,Sink,Media,Socket

3. Finally, save the file and start the Bluetooth service again:

$ sudo service bluetooth restart

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