How to use Cron Jobs

How to use Cron Jobs on Linux

Cron is a widely used tool which is used to schedule tasks or so-called jobs on any Unix-like operating system. It can be set up to run the corn jobs daily, weekly, or monthly, but it can also be set up to run any given period or once only.

For example, you want to run a backup script during off-work hours. Using cron jobs, you can easily schedule the script to run at a specific time daily, every second day, weekly, or any other period.

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How to Fix 401 Unauthorized Error

How to fix 401 unauthorized error

When trying to access a website, you may get a 401 unauthorized error message. This error message not only makes things difficult for website visitors but can also make things difficult for website owners. If you are a website visitor, this error message means you cannot log in to or even view a website. You will not be able to enjoy the features on the website. In addition, for website owners, you will not be able to enter the admin dashboard of your own website.

Even though Error 401 is troublesome, you don’t need to worry. We will explain the cause and how to solve it. This article summarizes the 401 Unauthorized HTTP error code and provides instructions on troubleshooting procedures to address it in case you encounter this problem.

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How to create a symlink on Linux

How to create Symbolic Links on Linux

Because everything in Linux is treated as a file, using links adds flexibility to create mappings to certain files or directories. There are hard links and soft links. A symlink, also called a symbolic link, is a file that points to another file or directory on the server. Except for files and directories, the symlinks can point to pipes or even other symlinks, which creates symbolic link chains.

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What is the Bash Shebang and How to Use it

What is the Bash Shebang and How to Use it

This tutorial will explain what Bash Shebang is and how to use the Shebang characters in Bash scripts on the Linux system.

Shebang is a sequence of two characters: a number sign (#) and an exclamation mark (!) that gives us the #! at the beginning of every script we need to write. Shebang is also known as hashbang, pound-bang, or hash-pling. It is always defined in the first line of the script and is ignored by the interpreter.

In the next paragraphs, we will show you how to use the Shebang with real examples. Let’s get started!

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How to Install Java 21 on Ubuntu 24.04

How to Install Java on Ubuntu 24.04

Java is a high-class object-oriented programming language that lets programmers or administrators run everywhere without recompiling. Java code is compiled and can run on any Java virtual machine regardless of the underlying computer architecture. The Oracle corporation maintains Java and has automatic garbage collection, which means that it automatically manages the memory and helps the programmer avoid doing that task manually. Learning how to install Java 21 on Ubuntu 24.04 is a straightforward process that may take up to 15 minutes. Let’s get started!

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Chroot Linux command with examples

Chroot command with examples on Linux

This tutorial will explain the chroot Linux command using real examples.

The chroot Linux command is a shorthand for “change root”. We use it to change the apparent root directory for a running process and its children. Chroot runs a command with a specified root directory and is executed by the superuser, commonly known as the root user on many Linux systems. In the following paragraphs, we will explain the syntax of the command, describe the options within the command in more detail, and show you real-life examples used daily by Linux system administrators.

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How to Install Nextcloud on Ubuntu 24.04

How to Install Nextcloud on Ubuntu 24.04

In this tutorial, we are going to explain in step-by-step detail how to install Nextcloud on Ubuntu 24.04

Nextcloud is a client-server software written in PHP and Javascript that stores data. Its functionality is similar to that of Dropbox, Google Drive, and Office 365. Nextcloud uses MySQL, PostgreSQL, or SQLite to store the data. It can be installed on different operating systems and offers a variety of features such as multi-factor authentication, monitoring capabilities, full-text search, etc. In this blog post, we will install Nextcloud and the LAMP stack.

Installing Nextcloud on Ubuntu 24.04 is straightforward and may take up to 15 minutes. Let’s get started!

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How to Install Magento 2 on Ubuntu 24.04

How to Install Magento 2 on Ubuntu 24.04

Magento is an open-source ecommerce platform built in PHP. It is a market-leading player in the e-commerce world. Adobe acquired the company in 2018. Magento is designed to help businesses develop, with versions geared to small, medium, and enterprise-level organizations. The open-source platform includes built-in functionality, like integrated checkout, payment and shipping, catalog management, customer accounts, etc. This tutorial shows you how to install Magento 2 on Ubuntu 24.04.

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