How to Download and Use a Live CD Ubuntu
Ubuntu is a popular and free operating system based on Linux that offers a user-friendly and secure desktop experience. You can try Ubuntu without installing it on your computer by using a live CD or USB drive. In this article, we will explain what a live CD Ubuntu is, how to download it, and how to use it.
What is a Live CD Ubuntu?
Definition and features of a live CD Ubuntu
A live CD Ubuntu is a bootable media that contains an operating system and some applications that you can run without affecting your existing system. It allows you to test Ubuntu before making any changes to your machine or install it permanently later. The standard Ubuntu desktop edition can be used as a live CD as well as an installer.
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A live CD Ubuntu has several features, such as:
It works on most computers that support booting from CD or USB drive.
It detects and configures your hardware automatically.
It provides access to the internet and local network.
It offers a full-featured desktop environment with office, web, multimedia, and other applications.
It supports multiple languages and keyboard layouts.
It allows you to create and save files on a persistent storage device or cloud service.
It lets you install additional software from the Ubuntu software center or other sources.
Advantages and disadvantages of using a live CD Ubuntu
Using a live CD Ubuntu has some advantages and disadvantages, depending on your needs and preferences. Here are some of them:
Advantages
Disadvantages
You can try Ubuntu without modifying your existing system.
You can use it on any supported machine without installing it.
You can use it as a secure desktop for online banking and other sensitive tasks.
You can use it as a rescue tool to fix problems on your system or recover data.
You can use it as a demonstration tool to show off Ubuntu to others.
It is slower than an installed system because it runs from the CD or USB drive.
It may not work with some hardware or software that require special drivers or configuration.
It may not have all the features or applications that you need or want.
It may not be compatible with some security or encryption settings on your system.
It may not be updated with the latest patches or bug fixes.
How to Download a Live CD Ubuntu?
Choosing the right edition and version of Ubuntu
The first step to download a live CD Ubuntu is to choose the right edition and version of Ubuntu that suits your needs. There are three main editions of Ubuntu: Desktop, Server, and Core. For this article, we will focus on the Desktop edition, which is designed for personal computers and laptops.
The Desktop edition of Ubuntu comes in different versions, depending on the release cycle and support duration. There are two types of versions: LTS (long-term support) and non-LTS (standard). LTS versions are released every two years and receive five years of security and maintenance updates. Non-LTS versions are released every six months and receive nine months of support and updates. LTS versions are recommended for most users, especially those who value stability and reliability. Non-LTS versions are suitable for those who want to try the latest features and improvements.
The current LTS version of Ubuntu Desktop is 20.04, codenamed Focal Fossa, which was released in April 2020. The current non-LTS version of Ubuntu Desktop is 21.04, codenamed Hirsute Hippo, which was released in April 2021. You can choose either version depending on your preference, but keep in mind that the non-LTS version will require more frequent upgrades to stay updated.
Downloading the ISO image file from the official website
The next step to download a live CD Ubuntu is to download the ISO image file from the official website. An ISO image file is a single file that contains the entire operating system and applications that you can burn to a CD or USB drive. You can download the ISO image file from the following link: [Ubuntu Desktop Download].
On the website, you will see two options: Ubuntu Desktop 20.04 LTS and Ubuntu Desktop 21.04. Click on the option that matches the version that you want to download. You will then see a page with some information about the system requirements, features, and donation options. You can choose to donate some money to support the development of Ubuntu or skip this step by clicking on "Not now, take me to the download". You will then see a button that says "Download". Click on it and save the ISO image file to your computer.
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Verifying the integrity of the downloaded file
The last step to download a live CD Ubuntu is to verify the integrity of the downloaded file. This is an optional but recommended step that ensures that the file you downloaded is not corrupted or tampered with. To verify the integrity of the file, you need to compare its checksum with the one provided by the website. A checksum is a unique code that identifies a file based on its content.
To verify the checksum of the file, you need to use a tool that can calculate and compare checksums. There are different tools available for different operating systems, such as md5sum for Linux, CertUtil for Windows, and shasum for Mac OS X. You can find more information about how to use these tools on this page: [HowToMD5SUM].
Once you have calculated the checksum of your downloaded file, you need to compare it with the one provided by the website. You can find the checksums for different versions of Ubuntu Desktop on this page: [Ubuntu Hashes]. If the checksums match, it means that your file is valid and ready to use. If they don't match, it means that your file is corrupted or altered and you need to download it again.
How to Use a Live CD Ubuntu?
Creating a bootable CD or USB drive from the ISO image file
Now that you have downloaded and verified your live CD Ubuntu file, you need to create a bootable CD or USB drive from it. A bootable media is a device that can start your computer and load an operating system without using your hard drive. You can use either a blank CD or a USB drive with at least 4 GB of space.
To create a bootable CD or USB drive from your ISO image file, you need to use a tool that can burn or write the file to your media. There are different tools available for different operating systems, such as Brasero for Linux, Rufus for Windows, and Etcher for Mac OS X. You can find more information about how to use these tools on this page: [Create a bootable USB stick on Windows].
Once you have created your bootable CD or USB drive, you need to insert it into your computer and restart it. You may need to change some settings in your BIOS or UEFI menu to enable booting from your media. You can find more information about how to do this on this page: [Try Ubuntu before you install it].
Booting from the live CD or USB drive on your computer
After you have inserted your bootable CD or USB drive into your computer and restarted it, you should see a screen that says "Welcome" and asks you to choose your language. Select your language and press Enter. You will then see two options: "Try Ubuntu" and "Install Ubuntu". Choose "Try Ubuntu" and press Enter.
This will start loading Ubuntu from your CD or USB drive and show you the Ubuntu desktop environment. You will see a panel at the top with some icons and menus, a dock at the left with some shortcuts, and a wallpaper with the Ubuntu logo. You can use your mouse and keyboard to interact with the desktop and explore the features and applications of Ubuntu.
Exploring the Ubuntu desktop environment and applications
One of the main advantages of using a live CD Ubuntu is that you can explore the Ubuntu desktop environment and applications without installing anything on your hard drive. You can access the applications from the dock or the "Show Applications" button at the bottom left of the screen. You can also search for applications by typing their names in the search box that appears when you click on the "Activities" button at the top left of the screen.
Some of the applications that you can try on your live CD Ubuntu are:
Firefox: a web browser that lets you surf the internet and access online services.
LibreOffice: a suite of office applications that lets you create and edit documents, spreadsheets, presentations, and more.
Rhythmbox: a music player and manager that lets you listen to and organize your music collection.
Totem: a video player that lets you watch movies and videos.
Shotwell: a photo manager that lets you view and edit your photos.
GIMP: an image editor that lets you create and manipulate graphics.
Terminal: a command-line interface that lets you perform various tasks using text commands.
You can also access some system settings and utilities from the panel at the top right of the screen. You can adjust the volume, brightness, network, power, and other options from there. You can also access the help menu, which provides some useful information and tips about Ubuntu.
Installing Ubuntu on your hard drive if you want to
If you like Ubuntu and want to install it on your hard drive, you can do so from your live CD Ubuntu. You will see an icon on the desktop that says "Install Ubuntu". Double-click on it and follow the instructions on the screen. You will need to choose your language, keyboard layout, time zone, installation type, and other options. You will also need to create a user account and password for your new system.
Installing Ubuntu on your hard drive will erase your existing system and data, unless you choose to install it alongside your current system or in a separate partition. Make sure you backup your important files before installing Ubuntu. You can also try Ubuntu in a virtual machine or a dual-boot setup if you want to keep your current system intact.
Conclusion
In this article, we have explained how to download and use a live CD Ubuntu. A live CD Ubuntu is a bootable media that lets you try Ubuntu without installing it on your computer. It is a great way to test Ubuntu before making any changes to your machine or install it permanently later. You can download a live CD Ubuntu from the official website, verify its integrity, create a bootable CD or USB drive from it, boot from it on your computer, explore the Ubuntu desktop environment and applications, and install Ubuntu on your hard drive if you want to.
We hope this article has been helpful and informative for you. If you have any questions or feedback, please feel free to leave a comment below. Thank you for reading!
FAQs
What are the minimum system requirements for running a live CD Ubuntu?
The minimum system requirements for running a live CD Ubuntu are:
A 2 GHz dual core processor or better
4 GB of RAM or more
A DVD drive or a USB port for the installer media
An internet connection (optional)
A monitor with at least 1024x768 resolution (optional)
How can I make changes to my live CD Ubuntu persistent?
By default, any changes that you make to your live CD Ubuntu are not persistent, which means they are lost when you reboot or shut down your system. If you want to make some changes persistent, such as creating files or installing software, you need to use a persistent storage device or cloud service.
A persistent storage device is a device that can store data even when it is not connected to power, such as a USB flash drive or an external hard drive. You can use such a device to save some files or settings on your live CD Ubuntu by creating a special partition on it called casper-rw.
A cloud service is an online service that provides storage space for your files or data, such as Dropbox or Google Drive. You can use such a service to sync some files or settings on your live CD Ubuntu by installing the corresponding application on it and logging in with your account.
However, keep in mind that using a persistent storage device or cloud service may affect the performance and security of your live CD Ubuntu. You should only use them for temporary or non-sensitive purposes.
How can I customize my live CD Ubuntu?
If you want to customize your live CD Ubuntu, such as changing the wallpaper, theme, icons, fonts, or other settings, you can do so from the system settings menu. You can access the system settings menu from the panel at the top right of the screen or by typing "settings" in the search box. You can then explore the different options and categories and make the changes that you want.
However, keep in mind that any changes that you make to your live CD Ubuntu are not persistent, unless you use a persistent storage device or cloud service. You will lose your customizations when you reboot or shut down your system.
How can I access my files on my hard drive from my live CD Ubuntu?
If you want to access your files on your hard drive from your live CD Ubuntu, you need to mount your hard drive partitions on your live CD Ubuntu. Mounting is a process that makes a storage device or a file system accessible to your operating system.
To mount your hard drive partitions on your live CD Ubuntu, you need to use a tool that can manage disks and partitions, such as GParted or Disks. You can find these tools in the "Show Applications" menu or by typing their names in the search box. You can then select your hard drive and its partitions and choose the option to mount them. You will then see them appear in the file manager under "Other Locations". You can then browse and access your files on your hard drive from your live CD Ubuntu.
However, keep in mind that accessing your files on your hard drive from your live CD Ubuntu may pose some risks, such as damaging or deleting them accidentally or intentionally. You should only access your files on your hard drive from your live CD Ubuntu if you know what you are doing and if you have a backup of them.
How can I update my live CD Ubuntu?
If you want to update your live CD Ubuntu, such as installing the latest patches or bug fixes, you need to use the software updater tool. You can find this tool in the "Show Applications" menu or by typing "software updater" in the search box. You can then run this tool and follow the instructions on the screen. It will check for any available updates and install them for you.
However, keep in mind that any updates that you install on your live CD Ubuntu are not persistent, unless you use a persistent storage device or cloud service. You will lose your updates when you reboot or shut down your system.
How can I get help or support for my live CD Ubuntu?
If you need help or support for your live CD Ubuntu, such as troubleshooting issues or learning more about its features and applications, you have several options:
You can access the help menu from the panel at the top right of the screen or by typing "help" in the search box. It will provide some useful information and tips about Ubuntu.
You can visit the official website of Ubuntu at [Ubuntu.com]. It will offer some resources and guides about Ubuntu.
You can join the official community of Ubuntu at [Ubuntu Community]. It will connect you with other users and experts who can answer your questions and share their experiences.
You can contact the official support team of Ubuntu at [Ubuntu Support]. It will offer some professional and technical assistance for Ubuntu.
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