Simon Quigley
6 years ago
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Chapter 1.1: Retrieving the image
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=================================
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Before you install Lubuntu, you need to retrieve the correct image. Lubuntu offers two different kinds of images,
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Alternate and Desktop images. Lubuntu also provides support for many different CPU architectures. Lubuntu releases a
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new version every six months (supported for nine months), with every two years having a long term support release
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(supported for three years).
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Choosing between Alternate and Desktop images
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---------------------------------------------
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Alternate images are mainly intended for older, lower spec hardware and uses a non-graphical installer. The Desktop
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version offers a live session to try out Lubuntu and make sure all of your hardware works before you install it on
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your computer. The installer on the desktop is a graphical installer where you can use a mouse and keyboard and it is
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more user friendly, but this takes more resources than what is usually required to run Lubuntu itself, due to the
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fact that the desktop image runs from your RAM while Lubuntu normally runs from your hard drive. If your computer has
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less than 512 MB of RAM it is recommended to use the alternate installer as it will perform better with your system.
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The alternate installer does not provide a live session so therefore it uses less RAM.
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Lubuntu offers images for three different architectures:
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- amd64 (commonly referred to as 64-bit)
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- i386 (commonly referred to as 32-bit)
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- PowerPC
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Architectures
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-------------
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amd64
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~~~~~
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The amd64 image will work with most modern processors. The best way to determine if your computer has an amd64 or
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i386 processor is to boot the image. It's the only way that you will be able to know for sure what architecture your
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computer is. amd64 computers are backwards compatible with i386 images. You may want to use an i386 image instead if
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you have an amd64 processor with very low amounts of RAM.
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i386
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~~~~
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This is the original 32-bit architecture that will work best on computers with very low amounts of RAM.
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PowerPC
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~~~~~~~
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PowerPC is for older Macintosh hardware from before 2006 and IBM OpenPower systems. Lubuntu 16.04 LTS is the only
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remaining release that ships with a PowerPC image, and binaries are no longer built for it in the newer releases.
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Ways to download the image
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---------------------------
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Now that the decision of which image type and architecture is done, you will need to download the image.
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There are several ways to download the Lubuntu image:
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- HTTP download (from your web browser or terminal).
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- BitTorrent (from a BitTorrent client such as Transmission, recommended for Windows and macOS users).
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- zsync (from the terminal, recommended for Linux users).
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You can also download the image via Jigdo but we will not cover that in this manual.
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Downloading the image via HTTP
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*We don't recommend using this method as it's often slower and less efficient than the other methods.*
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To download the image via HTTP, you can either navigate to the `Ubuntu cdimage server <http://cdimage.ubuntu.com/lubuntu/releases/16.04/release/>`_ and select the ISO file you would
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like to download, or use the direct links below.
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Direct links:
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- amd64 (`desktop <http://cdimage.ubuntu.com/lubuntu/releases/16.04/release/lubuntu-16.04.3-desktop-amd64.iso>`_, `alternate <http://cdimage.ubuntu.com/lubuntu/releases/16.04.1/release/lubuntu-16.04.1-alternate-amd64.iso>`_)
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- i386 (`desktop <http://cdimage.ubuntu.com/lubuntu/releases/16.04/release/lubuntu-16.04.3-desktop-i386.iso>`_, `alternate <http://cdimage.ubuntu.com/lubuntu/releases/16.04.1/release/lubuntu-16.04.1-alternate-i386.iso>`_)
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After you download the image, you **must** verify it. There is `a helpful page on the Ubuntu Community Help wiki <https://help.ubuntu.com/community/VerifyIsoHowto>`_ that
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can guide you in the right direction.
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Downloading the image via BitTorrent
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Instead of downloading the image from one server, you can "torrent" the image, or download it from multiple sources
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instead of just one. This is often faster and saves the bandwidth of the Ubuntu cdimage servers. If you would like to
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learn more about BitTorrent, take a look at `the Wikipedia page on the subject <https://en.wikipedia.org/wiki/BitTorrent>`_.
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In order to torrent the file, you need a BitTorrent client. We recommend `Transmission <https://transmissionbt.com/>`_, an Open Source BitTorrent
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client. Since Transmission only provides clients for Linux and macOS, we recommend `uTorrent <http://www.utorrent.com/>`_ for Windows users.
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You first need to download the seed files. They are available on the `Ubuntu cdimage server <http://cdimage.ubuntu.com/lubuntu/releases/16.04/release/>`_, or you can use the direct
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links provided below.
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Direct links:
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- amd64 (`desktop <http://cdimage.ubuntu.com/lubuntu/releases/16.10/release/lubuntu-16.10-desktop-amd64.iso.torrent>`_, `alternate <http://cdimage.ubuntu.com/lubuntu/releases/16.10/release/lubuntu-16.10-alternate-amd64.iso.torrent>`_)
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- i386 (`desktop <http://cdimage.ubuntu.com/lubuntu/releases/16.10/release/lubuntu-16.10-desktop-i386.iso.torrent>`_, `alternate <http://cdimage.ubuntu.com/lubuntu/releases/16.10/release/lubuntu-16.10-alternate-i386.iso.torrent>`_)
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After you have downloaded the link you need, open it in your BitTorrent client. This will download the image. After
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this is done, we recommend that you leave your BitTorrent client open so you can seed this image for other people.
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Downloading the image via zsync
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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zsync is a convenient application that will automatically verify the checksum of the image once downloaded. The
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Lubuntu team uses this to download daily images as it will download the changes since the last image was released.
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In order to use zsync, you need to install it. Since this is a Linux-only client, you can get it from your
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distribution's package repository.
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If you are running Debian or Ubuntu (or a distribution based off of either), run the following command in a terminal:
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sudo apt install zsync
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If you are running Fedora (or a distribution based off of it), run the following command in a terminal:
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sudo dnf install zsync
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If you are running Arch (or a distribution based off of it), run the following command in a terminal:
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sudo pacman -S zsync
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If you are running another distribution, you can find the source code `here <http://zsync.moria.org.uk/downloads>`_.
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**You have now downloaded the image successfully. Please continue to Chapter 1.2.**
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