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How to Install CouchDB on Ubuntu 21.04 Linux Operating System

How to Install CouchDB on Ubuntu 21.04 Linux Operating System

The CouchDB is an open-source database system, managed by the Apache Software Foundation. It is fault-tolerant, and schema-free NoSQL database management system.   CouchDB store data in document or files with JSON data structure. Each document contains fields and...

How to add swap space on Ubuntu 21.04 Operating System

How to add swap space on Ubuntu 21.04 Operating System

The swap space is a unique space on the disk that is used by the system when Physical RAM is full. When a Linux machine runout the RAM it use swap space to move inactive pages from RAM. Swap space can be created into Linux system in two ways, one we can create a...

How to Install Nginx on Ubuntu 21.04 Server

How to Install Nginx on Ubuntu 21.04 Server

Nginx is the most potent, open-source, and a high-performance Web server. It can work as a reverse proxy server also, nowadays, is used by most of the most significant websites on the internet. People pronounced “engine x” for Nginx; it is the hot choice for every...

How to Install VirtualBox on Ubuntu 21.04 Linux

How to Install VirtualBox on Ubuntu 21.04 Linux

VirtualBox is an Open Source tool, known as a cross-platform virtualization application or software. It used to run multiple operating systems or virtual machines simultaneously on a single hardware. In this VirtualBox installation tutorial, we will explain the...

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Latest Articles from Blog

How to Install CouchDB on Ubuntu 21.04 Linux Operating System

How to Install CouchDB on Ubuntu 21.04 Linux Operating System

The CouchDB is an open-source database system, managed by the Apache Software Foundation. It is fault-tolerant, and schema-free NoSQL database management system.   CouchDB store data in document or files with JSON data structure. Each document contains fields and...

How to add swap space on Ubuntu 21.04 Operating System

How to add swap space on Ubuntu 21.04 Operating System

The swap space is a unique space on the disk that is used by the system when Physical RAM is full. When a Linux machine runout the RAM it use swap space to move inactive pages from RAM. Swap space can be created into Linux system in two ways, one we can create a...

How to Install Nginx on Ubuntu 21.04 Server

How to Install Nginx on Ubuntu 21.04 Server

Nginx is the most potent, open-source, and a high-performance Web server. It can work as a reverse proxy server also, nowadays, is used by most of the most significant websites on the internet. People pronounced “engine x” for Nginx; it is the hot choice for every...

How to Install VirtualBox on Ubuntu 21.04 Linux

How to Install VirtualBox on Ubuntu 21.04 Linux

VirtualBox is an Open Source tool, known as a cross-platform virtualization application or software. It used to run multiple operating systems or virtual machines simultaneously on a single hardware. In this VirtualBox installation tutorial, we will explain the...

Creating a config file and using it in tandem with your scripts

In this article, we are going to create a config file and use it in our shell script.PrerequisitesBesides having a terminal open, you need basic knowledge of creating scripts and config files.Write scriptNow, we are going to create a script and config file. The...

Calculating and reducing the runtime of a script

In this article, we are going to learn how to calculate and reduce the script’s runtime. A simple time command will help in calculating the execution time.PrerequisitesBesides having a terminal open, make sure you have the necessary scripts present in your...

Using Bash to monitor battery life and optimize it

In this article, we will learn about the TLP Linux tool. TLP is a command-line tool; it is used for power management and will optimize the battery life.PrerequisitesBesides having a Terminal open, you need to ensure that you have TLP installed on your system.How to do...

Creating a simple NAT and DMZ firewall using bash script

In this article, we will create a simple NAT firewall with DMZ using iptables.PrerequisitesBesides having a Terminal open, you need to ensure that iptables is installed in your machine.Write scriptWe will write a script to set up a DMZ using iptables. Create...

Making a simple IRC chat bot logger using bash script

In this article, we will make a simple bot logger. This script will log a few channels as well as handle the pings.PrerequisitesBesides having a Terminal open, you need to have basic knowledge of IRC.Write script:Now, we will write a script for an IRC logging bot....

Creating a lame utility HTTP server in Linux Operating System

In this article, we will discuss the cURL tool in Linux. The cURL tool is used for transferring the data from or to a server. It supports many protocols, and http is one of them. cURL is used to transfer the data from URL. It has so many tricks to offer, such as http...

Encrypting/decrypting files from a script in Linux

In this article, we are going to learn about OpenSSL. In this section, we are going encrypt and decrypt messages and files using OpenSSL.Prerequisites Besides having a terminal open, you need to have a basic knowledge of encoding and decoding schemes....

Finding binary dependencies in Linux Operating System

In this article, we are going to check the executable. We will find out which string is present in it by using the string command.PrerequisitesBesides having a terminal open, make sure you have a binary present in your directory.Find dependencies First, we...

Capturing network traffic headlessly in Linux Operating System

In this article, we are going to learn how to capture traffic. We are going to capture network traffic with a packet sniffer tool called tcpdump. This tool is used to filter or capture TCP/IP packets that are transferred or received over a network.PrerequisitesBesides...

Mounting network file systems and retrieving files in Linux

In this article, we are going to learn about the mount command. To mount a file system onto the file system tree, use the mount command. This command will instruct the kernel to mount the file system found on a particular device. There is a mount point in the tree for...

Write a bash script to checking for file integrity and tampering

In this article, we are going to learn how to check the integrity of a file and how to check for tampering by writing a simple shell script. Why do we need to check integrity? The answer is simple: administrators check integrity when there are passwords and libraries...

Creating graphics and presentations on the Linux CLI

In this article, we are going to learn how to make presentations and how to create graphics on the CLI. For this, we are going to use a tool named dialog.dialog is a Linux command-line tool used for taking input from users and to create message...

Backing up and erasing media, disks, and partitions with DD Command

In this article, we are going to discuss the dd command. The dd command stands for data duplicator. It is mainly used for converting and copying files. In this section, we are going to learn about backing up and erasing a media file.PrerequisitesBesides having a...

Creating Syslog entries and generating an alarm using a bash script

In this article, we are going to discuss the syslog protocol. We'll also learn about the logger command, which is a shell command and acts as an interface for the syslog module. The logger command makes entries in the system log. In this section, we are also going to...

Write a bash script to create users and groups systematically

In this article, we are going to learn how to create users and groups through a shell script.Write Script:Now, we will create a script to add a user. The useradd command is used to create a user. We are going to use the while loop, which will read our .csv file, and...

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