Umask commands described in Linux Terminal

On Linux and Unix, all new files are created with the default permission set. The umask utility allows you to view or set the creation of a file mask mode, which defines bit permissions for newly created files or directories. It’s used by mkdir, touch, tee and other commands that …

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How to install and use Curl on CentOS 8

How to install and configure OpenCV on CentOS 8

Curl is a command-line utility for transferring data to or from a remote server. It allows you to download or upload data using HTTP, HTTPS, SCP, SFTP and FTP protocols. If you try to download files using curl And you get an error message that says curl command not found, …

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Various ways to download ISO files on Linux systems

Various ways to download ISO files on Linux systems

An ISO file is an archive file that usually contains the complete image of a CD or DVD. For example, most operating systems like Windows, Linux, and macOS are distributed as ISO images. ISO files can be extracted using common archive software, installed on a loop device, and written to …

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How to install LibModsecurity WAF app on Nginx CentOS 8

Install ModSecurity 403 Forbidden on CentOS 8

LibModSecurity is a free and open source web application firewall application that can be used to protect Nginx servers from various types of cyber attacks. It comes with a basic set of rules including SQL injection, cross-site scripting, Trojans, and more. It works by monitoring HTTP traffic in real time …

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A tutorial on Fsck Command in Linux for file system repair

fsck (File system check) Is a command-line utility that allows you to perform consistency checks and interactive fixes on one or more Linux file systems. Fsck uses its own program for each type of system file it checks. You can use commands fsck For repairing corrupted system files in cases …

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A tutorial on installing and configuring Redmine on CentOS 8

A tutorial on installing and configuring Redmine on CentOS 8

Redmine is a free and open source project management and issue tracking application. Redmine is a cross-platform and shared database app that’s built on the Ruby on Rails framework. Redmine includes support for multiple projects, wiki, issue tracking system, forums, calendars, email notifications, and more. In this tutorial, we will …

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Learn about the Whoami command on Linux

In this article we will cover the commands whoami. As the name implies, orders whoami It will print the user ID name. In other words, it displays the name of the user who is currently logged in. How to use the whoami The syntax for the whoami command is as …

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A tutorial on installing and configuring MongoDB on CentOS 8

How to install and configure OpenCV on CentOS 8

MongoDB is a free and open source document database. MongoDB belongs to the NoSQL database family, which differs from traditional table-based SQL databases like MySQL and PostgreSQL. In MongoDB, data is stored in a flexible JSON-like document where fields can vary from document to document. Databases do not require a …

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Using the W command in Linux Terminal

In this article we will talk about commands w (Command w). w is a command line utility that displays information about currently registered users and what each user is doing. It also provides information about system operation time, current time and Average load the system. How to use the w …

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How to install Microsoft Teams Linux on CentOS 8

Microsoft Teams CentOS

Microsoft Teams is a communication platform used for chat, calling, meeting, and collaboration. Generally, it is used by companies and individuals working on projects. Microsoft Teams is only available for macOS and Windows, while the official Microsoft Teams app is not available for Linux-based operating systems. Teams for Linux is …

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