Author: Rahul

For many computer users, the most stressful part of working with a Linux system is having to back up their data. The good news is that there is a simple solution to this problem: set up an automatic rsync backup script that will automatically keep your data safe. In this article, we will go over the tools and steps that you need to take to set up an automated backup system on a Linux system with rsync. You will learn how to use rsync to automatically create backups of files, how to keep these backups up-to-date, and how to restore…

The `sort` command in Linux is part of the GNU Coreutils package. This command is used to sort lines of text in a specified file or from the standard input in an ascending/descending order. The sorted output can be written to a file or displayed on the standard output. The `sort` command is a simple and powerful tool that can be used in various scenarios, from sorting data in a file for further analysis to preparing data for a report. In this article, we will discuss the various options available with the `sort` command and provide some practical examples to…

Flask is a popular microweb framework written in Python. It is lightweight and easy to use, making it a good choice for developing small web applications. It is designed to enable developers to create and scale web apps quickly and easily. It has a small and easy-to-extend core, with sensible defaults to get started quickly. In this article, we will show you how to install and use Flask on a Fedora system. Prerequisites Before you start, make sure that you have the following installed on your system: Python 3: Flask is a Python web framework, so you will need to…

The `sed` command is an essential tool for manipulating text in Linux. It allows you to search for patterns in a text and perform various operations on the matching text, such as replacing it, deleting it, or printing it. This command takes input from a file or standard input. The default sed command doesn’t make changes to the original file until you used the -i command line parameter. The command alerts the text and sends the result to standard output. You can also redirect the text to the file as per the requirements. In this article, we’ll provide 15 practical…

A Python list is an ordered and changeable collection of data objects. Unlike an array, which can contain objects of a single type, a list can contain a mixture of different types. A list in Python is used to store the sequence of various types of data. A list can be defined as a collection of values or items of different types. Python has a great built-in list type named “list”. List literals are written within square brackets “[]”. Let’s initialize a Python list with the following arguments:

By default, when you print a list in Python, it is…

Google Chrome is a popular web browser that is widely used for browsing the internet, streaming videos, and running web-based applications. If you want to install Google Chrome on Pop!_OS, you can follow a few simple steps to download and install the browser. In this article, we will walk through the process of installing Google Chrome on Pop!_OS, including downloading the installation package, installing dependencies, making the package executable, and using the “dpkg” command to install the package. Steps to Install Google Chrome on Pop!_OS Download the Google Chrome package: Go to the Google Chrome website (https://www.google.com/chrome/) and click on…

Rsync is a powerful command-line utility for Unix/Linux systems, that allows you to synchronize and transfer files between different two systems. One of the key features of Rsync is the ability to exclude files and directories from the synchronization process. This feature can be incredibly useful for a variety of tasks, such as backups, codebase synchronization, and data management. In this article, we’ll get a basic understating of excluding files and directories with Rsync command line utility. Also includes a few useful examples using this feature. Exclude files and directories with rsync The most basic method for excluding files and…

Rsync is a command-line utility that is used to synchronize files and directories between two locations. It is commonly used to copy files from one location to another while preserving file attributes such as permissions, timestamps, and ownership. One of the powerful features of rsync is the ability to copy only the files that are missing or have been modified in the destination location. This can be useful when you want to keep a backup of your files, or when you want to update a website or server with the latest changes. Copy Missing Files with Rsync To copy only…

The `lsusb` command is a utility in Linux that allows users to list the USB (Universal Serial Bus) devices connected to the system. This utility is the part of “usbutils” package, which provides utilities to display information about USB buses in the system and the devices connected to them. A USB (Universal Serial Bus) is a widely used standard for connecting devices to computers. It allows users to connect a many of devices such as keyboards, mice, printers, and external storage devices to their computers with ease. The `lsusb` command can be used to display information about these devices, including…

The SSL connection error: error:0A000086:SSL routines::certificate verify failed error is usually encountered when establishing an SSL connection to a MySQL server. I was configuring the replication between two MySQL servers running with MySQL version 8.0. After configuring the replication, the “SHOW SLAVE STATUS” command on the slave instance shows me the following error: Last_IO_Error: error connecting to master ‘[email protected]:3306’ – retry-time: 60 retries: 3 message: SSL connection error: error:0A000086:SSL routines::certificate verify failed Then I tried to connect the Master server from the slave using the command line, with the client certificate. Again I received the following error with the connection:…