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Managing a server efficiently is a crucial aspect of any IT-oriented business or organization. And when it comes to managing servers, it's important to have a strong understanding of command line operations. One such operation is changing the sudo password on CentOS 8.

For those who are new to the Linux world, sudo is a command that provides temporary superuser access to execute tasks that require elevated privileges. And, as the administrator of a CentOS 8 server, it's important to know how to change the sudo password through the command line.

To change the sudo password, you'll need to access the command line interface, which is also known as the terminal. Once you've opened your terminal, follow the steps below to change the sudo password:

  1. First, open the terminal and log in as the root user with your current password.
  2. Next, type the following command and press enter:
  passwd
  1. You'll be prompted to enter your current password. Enter it and press enter.
  2. Next, you will be prompted to enter a new password. Type the new password and press enter.
  3. You'll be asked to confirm the new password. Type it again and press enter.
  4. Your sudo password has been successfully changed.

It's important to note that when you change your sudo password, it will also affect any other users that are configured to use sudo on the server.

In conclusion, changing the sudo password on CentOS 8 is a simple but crucial task that every server administrator should know how to do. By following the steps outlined above, you can ensure the security of your server and the data it holds.

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    Managing software on Linux systems can require executing a few command-line tools to accomplish tasks such as installing software packages, updating the system, or adding software sources. One such tool used on Debian-based systems such as Ubuntu is the "apt" package manager.

    While executing administrative tasks such as adding a new software source or repository to your system, you may encounter an error saying that "sudo apt-add-repository" command is not found. If this is the case, then you might wonder what went wrong.

    The reason for this error may be that the "software-properties-common" package is not installed on your system. This package contains the apt-add-repository command, among other administrative tools that can be used to manage software sources on Debian-based Linux systems.

    To solve the issue, you need to first check whether the package is installed by running the following command:

    sudo apt-get install software-properties-common

    If the package is not installed, then the command will install it for you. Otherwise, if the package is already installed, you will receive a message saying that the package is already the latest version.

    Once you have installed software-properties-common package, you can now run the "sudo apt-add-repository" command without any issues. Additionally, you can use other administrative tools that come with the package to manage your software sources.

    In conclusion, if you encounter the "sudo apt-add-repository" command is not found error when managing software sources on Debian-based Linux systems, make sure to install the "software-properties-common" package. This package contains the required administrative tools to accomplish the task, and its absence may cause errors to occur.

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      Hey there, internet buddies! Are you ready to dive into the wonderful world of Ubuntu commands? If you're scratching your head and thinking "what in the world is Ubuntu?!" then have no fear, because Embedded Inventor is here to save the day (or at least this blog post!).

      So, let's get into it. Have you ever come across the command "sudo apt-get upgrade" and wondered what the heck it's all about? Well, wonder no more my tech-loving friends, because we've got the rundown for you right here.

      First things first, let's break this command down. "Sudo" stands for "superuser do", which basically means that you're asking your computer to give you permission to do something that might require admin privileges. "Apt-get" is the package management system used by Ubuntu, and "upgrade" is pretty self-explanatory - you're updating your system to the latest version.

      But why should you use this command? Why bother upgrading your system at all? Well, first of all, keeping your system up-to-date means that you're getting the latest security patches and bug fixes. This is especially important if you're using your computer for work or sensitive personal information.

      But even beyond that, upgrading your system can actually make things run smoother and faster overall. It's like giving your computer a little spring cleaning! Plus, you might even get some nifty new features that you didn't have before.

      So, there you have it folks. The "sudo apt-get upgrade" command explained in plain English (or at least, as plain as we can make it!). And the best part? You can go impress all your tech-savvy friends with your newfound knowledge of Ubuntu commands. You're welcome.

      Until next time, keep on coding!

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