This tutorial explains step by step to install Lubuntu 18.10 "Cosmic Cuttlefish". It's available for both 32-bit and 64-bit architectures. This is the first edition ever comes with LXQt Desktop Environment and also Calamares System Installer. This means Lubuntu Cosmic will have a slightly different steps to install as it does not use Ubiquity anymore. You will prepare two blank partitions, and one more if your computer initialization system is UEFI (not BIOS), and go through 10 steps until all finished. Happy working, enjoy Lubuntu LXQt!

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All about 18.10  Download Links | Original Review | Original WTDAI | GNOME 3.30 Review

Preparations


1. Create two partitions. One of >=20GB to be the main partition, and one of 1GB to be the swap partition. Do this with program to edit disk partition like GParted. If you don't have idea about partitioning, ask a technician near you to do it.

2. If your computer is a UEFI system (UEFI is new generation BIOS; all computers more recent than 2010 should have it), you should create one 200MB partition. This will be your /boot/efi partition.

3. Create Lubuntu 18.10 installation media with a USB Flash Drive. If you computer cannot boot using USB (old PCs are usually like that), create a DVD instead. Follow tutorial in making USB here, or tutorial in making DVD here.

4. Unless your data storage is empty, and you're confident with your experience, make backup of all your important data. Save them in a safe external storage.

As example, these are my prepared partitions. Use lsblk command to know all your partitions.

 
(Output of lsblk: /dev/sda2 of 20GigaByte will be my main partition)

Booting


Insert your USB media and boot your computer into USB. You should see Lubuntu 18.10 screen showing many options and select first option "Try without making changes". On the desktop, run the Install Lubuntu 18.10 program. This launches Lubuntu Installer (also called "Calamares").

1. Select Language


Select your language from the selection on the bottom.



2. Select Time Zone


Point your time zone on the map. If you cannot, use the drop-down menu available instead.


3. Select Keyboard Layout


Unless you need non-Latin alphabet (like Arabic, Japanese, or Russian), choose the default layout.



4. Select Manual Partitioning


If your system is UEFI, first follow the Special Section below.

First: choose "Manual Partitioning" (equal to "Something Else" on Ubiquity) and go next. Always choose manual so you won't have to worry.


(Focus on the "Manual partitioning" option)

Second: be sure the hard disk choice is your intended hard disk if you have 2 or more of them. But if it's only one, nothing to choose so just go ahead.

(Make sure it's the right hard disk to see the right partitions)

Third: create your main partition: select the first prepared (bigger one) partition > Edit > let the Size untouched > Format > Filesystem: EXT4 > Mount point: / > OK.

(Creating 20000MB=20GB partition: Format checked, EXT4 Journaling Filesystem, / mount point)

Fourth: create your swap partition: select the second prepared (smaller one) partition > Edit > let the size untouched > Format > Filesystem: linuxswap > OK.

(Creating >=1GB swap partition)

Special For UEFI


If your system is UEFI, you should make a /boot/efi partition of 200MB.

  • Select the third prepared partition of 200MB. 
  • Edit.
  • Set EXT4 Filesystem.
  • Set mount point to /boot/efi.
  • OK.
  • Now go back to the creation of main and swap above.

5. Put Bootloader on Place


Choose the hard disk name where your main partition belongs as the bootloader place. For example, as my main one is /dev/sda2 then the bootloader place is /dev/sda. See picture below.

(Notice the WDC hard disk here is named /dev/sda, yours maybe different)

6. Create Your Credentials


Determine your own username and password. The password here will be your sudo password also.

(Creating username, password, and hostname)

7. Read the Summary


Summary of installation plan will be shown. Please examine one by one and be sure there is no mistake in this plan. If you feel anything goes wrong, you can still change it, simply go Back and correct it. This is the last step before executing the real installation.

(Read the summary)

8. Start the Installation


The installer will as you to "Install Now". After this, you cannot go back anymore. If you are sure everything is right, then Install Now.

(Only if you are sure, go Install Now)

9. Wait


Once installation is performed, you will see a beautiful slideshow showing features and nice things about Lubuntu 18.10. You will wait in approximately no more than 15 minutes.

(Progress of installation with progress bar, percentage, and short detail of what's going on)

10. Finish


Finished installation will ask you to restart the computer. It says "All done" and "Restart now". Just follow it and congratulations! Happy working and enjoy Lubuntu 18.10 LXQt Edition!

(Press Done and your computer will restart automatically)


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