In Ubuntu Linux and other Unix-like operating systems, sudo stands for “superuser do” or “substitute user do.” It is a command that allows authorized users to execute specific commands with elevated privileges, often as the root user. The primary purpose of sudo is to provide a controlled and secure way for users to perform administrative
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Example 1: If Statement to compare string This Bash code is a simple example of an if statement that checks the value of the variable color and prints a message based on its value. Here’s the breakdown: So, the purpose of this code is to check if the value of the color variable is “blue”
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Get the latest Kubernetes Dashboard and deploy Create service account and role In admin-service user.yaml, enter the following values: In admin-user-role.yaml, enter the following values: Now apply changes to deploy it to K3S cluster: Expose service as NodePort to access from browser In edit mode change type: ClusterIP to type: NodePort. And save it. Your
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In the Linux command-line realm, mastering the art of file management is essential. The rm command, short for “remove,” is a powerful tool that allows you to delete files and directories from your system. However, this power comes with responsibility, as it can lead to irreversible data loss if not used carefully. In this guide,
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The touch command in Linux is used to create empty files or update the access and modification timestamps of existing files. It’s a versatile command that is often used to indicate the presence of a file or update its timestamp without changing its content. Usage: Example: This creates a file with a timestamp in its
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The pwd command in Linux stands for “print working directory.” It is used to display the current directory you are in within the file system hierarchy. This command can be particularly helpful when navigating the command line interface and working with different directories. Usage: Example: Certainly, here are more examples of using the pwd command
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The cd command in Linux is used to change the current working directory in the terminal. It allows you to navigate through different directories and access the files and subdirectories within them. The basic syntax of the cd command is: Here are a few examples to illustrate the usage of the cd command: This command
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PowerShell, an integral component of Windows operating systems, has revolutionized the way administrators and users interact with their systems by offering a robust command-line environment. At its core, PowerShell empowers users to leverage a comprehensive set of commands, often referred to as cmdlets, to perform a wide array of tasks. From basic PowerShell commands like
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In the intricate landscape of Linux systems, a firm grasp of essential commands is a cornerstone for Linux administrators and engineers. The Linux command line serves as an indispensable tool, offering professionals the means to expertly navigate, administer, and manipulate their systems. These vital Linux commands stand as the bedrock for those seeking to harness
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The df command in Linux is used to display information about disk space usage on a file system. It shows how much disk space is used and available on file systems. This helps you see how much storage capacity your system’s devices have and how much is being used. Here’s a detailed explanation of how
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