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Check if a directory exists in Linux or Unix shell

I need to check if a directory exists or not, within a shell script running on Linux or Unix-like system? How do I check...

Top Best Text Editors for Linux Programming in 2019

Investigating the absolute best groundbreaking text editor for Linux? Here’s a rundown of best code text editors for Linux. Best of all, every one...

How to Delete Files and Directories in Linux

You may, in some cases, need to delete directories and files that you do not need to free up space on your hard drive....

Linux Disable Firewall Command

I am a new Linux system administrator. I have a hardware-based firewall, so I don’t need a firewall on each server. How do I...

Use oathtool Linux command line for 2 step verification (2FA)

I do not wish to use Google Authenticator or Authy app that generates 2 step verification (2FA) codes on my iOS/Android phone. Is there...

How to Find/Change Ubuntu Default Root Password

Before I explain how to change the default password, its good to know about "Root SuperUser" and "sudo user" in Linux. In any Linux, as...

How to check running process in Ubuntu using command line

I am a new sysadmin for the Ubuntu operating system. How do I check running process in Ubuntu using the command line option? One can...

How to upgrade Fedora 29 to Fedora 30

How do I upgrade to Fedora 30 from Fedora 29 Using the dnf command? How can I update F29 to F30? Can you tell...

Install Google Chrome 71 on CentOS 7 using yum command

I am a new CentOS Linux 7 desktop user. How do I install Google Chrome 71 on CentOS 7 Linux desktop? Introduction –...

How to find Intel NUC BIOS version and model on Linux

I installed Linux on Intel NUC. I need to find Intel NUC BIOS version. How do I find out BIOS version, date, and...

How to Install the GUI/Desktop on Ubuntu Server

Usually, it's not advised to run a GUI (Graphical User Interface) on a server system.  Operation on any server should be done on the...

How to override content type with Nginx web server

I configured Nginx server. However, it is sending the wrong content type. I need to force Nginx to send specific “Content-Type: text/xml; charset=UTF-8“....

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An Enigmatic Contraption to monitor Your Family Phone using Spy Phone

Your family should always come first whenever you think of proper safety precautions for your loved ones. So, when it is about tracking or...

Tips for Modern Apple Smartwatch

Are you seeking out for a modern watch? Despite the continuous madness of 2020, there has still never been a better time to purchase...

Tips for designing clinics and medical websites

The website represents your clinic virtually, so make sure the design is pleasant, with proper frame-work, and it does not matter if your organization...

What to verify before launching a new website

The final step of website design is launching it, which is the most exciting moment as all the hard work and effort you have...

10 Best EduBlogs in 2020

Today, the information space of a modern teacher and student almost always contains a virtual component. Using the Internet, both realize their information needs...

What are Vertical Monitors used for?

Mostly when people are looking for a new laptop or computer they go for a horizontal monitor. It doesn’t mean that the horizontal monitors...