How To Create A Custom Ubuntu Live ISO Image With Cubic
One of many main benefit of Linux is you’ll be able to customise it nevertheless you want. You’ll be able to add a brand new characteristic, take away an present characteristic, modify the looks of the Linux distribution and lots of. You’ll be able to both customise an already put in Linux distribution or create a brand new custom-made picture from a Linux ISO. On this information, we’re going to be taught what’s Cubic and find out how to create a customized Ubuntu reside ISO picture with Cubic software.
Introduction to Cubic
Cubic, stands for Customized Ubuntu ISO Creator, is a free, open supply graphical software to create a custom-made bootable Ubuntu Reside CD (ISO) picture.
Cubic means that you can simply and effortlessly create a custom-made Ubuntu reside cd. It has an built-in command-line chroot surroundings the place you are able to do all customization as listed under:
Set up new packages,
Take away present packages,
Set up further Kernels,
Add extra background wallpapers,
Add recordsdata and folders.,
Modify present ISO
Cubic’s Graphical interface permits easy navigation (backwards and forwards with a mouse click on) in the course of the reside picture creation course of.
Since Cubic is used to make Ubuntu reside pictures, I assume it will also be utilized in different Ubuntu flavours and derivatives similar to Linux Mint. I examined it in Ubuntu 20.04 LTS, 18.04 LTS and 16.04 LTS variations. It labored simply high quality!
Set up Cubic in Ubuntu
To put in Cubic on Ubuntu 18.04 and newer variations, run the next instructions one after the other in your Terminal:
Please word that you shouldn’t set up each “Cubic” and “Cubic Traditional” model on the identical time. They battle with each other and will not work. Additionally initiatives you created with Cubic cannot be opened with Cubic Traditional model.
Create Customized Ubuntu Reside Cd Picture With Cubic
Launch Cubic from Sprint or Software launcher. The next screenshot exhibits the default interface of Cubic software.
Cubic customized Ubuntu ISO creator
Choose a venture listing to retailer the custom-made Ubuntu reside ISO picture and click on Subsequent. For the aim of this information, I can be utilizing /residence/sk/cubic/ as my venture’s listing.
Choose Cubic venture listing
Choose the Ubuntu ISO picture you wish to customise. Right here, I selected Ubuntu 20.04 LTS desktop picture. As soon as the ISO picture is chosen, Cubic will routinely fill the main points of unique and customized pictures. You’ll be able to modify the customized ISO picture’s particulars as you please.
Choose the unique Ubuntu ISO picture to customise with Cubic
Cubic will now begin to find the compressed Linux filesystem, extract the compressed filesystem and replica the essential recordsdata from the unique ISO picture. It would a pair minutes. Please be affected person.
Getting ready Linux filesystem for customized reside cd
Now you may be positioned contained in the Cubic command line digital surroundings.
Cubic digital surroundings terminal
From right here, you can begin customizing the Ubuntu ISO as per your liking. You’ll be able to replace the packages, set up your favourite purposes, take away undesirable purposes from the ISO, set up further Kernels, add recordsdata and folders and add wallpapers, set up themes, modify the software program repositories and so forth.
Cubic commandline digital surroundings
Please word that you simply need not use “sudo” so as to add or take away one thing from the ISO, as a result of we have already logged in as root person.
I’m going to put in Vim software within the reside cd, so I ran the next command within the digital surroundings:
apt set up vim
Equally, add further software program or take away undesirable software program from ISO. In the event you modified the sources checklist, remember to replace the software program repository checklist utilizing this command:
You may also add recordsdata or folders to the reside cd. Copy the recordsdata/folders (proper click on on them and select copy or CTRL+C) and proper click on within the Terminal (contained in the Cubic window), select Paste file.
Add recordsdata or folders to the Ubuntu reside ISO picture
Click on Copy on the high nook of the Cubic wizard to stick the recordsdata/folders within the reside ISO picture.
Add recordsdata and folders to the reside ISO picture
You’ll be able to add your personal wallpapers in order for you. To take action, cd into the /usr/share/backgrounds/ listing,
and drag/drop the photographs into the Cubic window. Or copy the photographs and proper click on on Cubic Terminal window and select Paste file(s) possibility. Additionally, be sure you have added the brand new wallpapers in an XML file beneath /usr/share/gnome-background-properties, so you’ll be able to select the newly added picture Change Desktop Background dialog if you right-click in your desktop.
As soon as you’re executed with the customization, click on Subsequent to proceed.
Cubic will begin analyzing the customizations and making ready different essential choices similar to figuring out boot kernels, boot configuration, pressed recordsdata, put in packages, and creating the bundle manifest for typical and minimal set up, and Saving the bundle manifest and so forth.
Analyzing Ubuntu customization by Cubic
Choose the packages that can be eliminated after a typical or minimal set up. Undergo the checklist and select the software program that you simply wish to take away from the customized ISO and click on Subsequent to proceed:
Choose the packages to be faraway from the customized Ubuntu ISO
That is essential part. On this wizard, that you must configure the ISO kernel, Preseed and ISO boot settings for the custom-made ISO. Choose the Kernel that can be used as well the custom-made Ubuntu reside ISO in ISO Kernel tab. Then, replace, add or delete preseed used to automate the set up beneath the Preseed tab. Lastly, From the ISO boot tab, you’ll be able to configure or customise the boot menu entries. After configuring the Kernel associated parameters, click on Subsequent.
Choose the Kernel for the custom-made Ubuntu reside ISO
Choose the compression algorithm for the Linux filesystem. By default, Cubic will use gzip compression. The opposite obtainable compression strategies are lz4, lzo, zstd, lzma, and xz. The compression algorithms are proven in a graph format as proven within the following screenshot. The higher facet of the graph signifies decrease compression and backside facet of graph signifies the upper compression.
In the event you select a decrease compression algorithm from higher facet of the graph, for instance lzo, lz4, the picture creation course of can be quicker however the ensuing picture can be bigger in measurement. In the event you select increased compression algorithms similar to zstd, lzma, xz from the underside, the picture creation can be slower however you’re going to get the smaller measurement picture.
After selecting the popular compression, click on Generate button to create customized Ubuntu reside cd picture with Cubic:
Generate custom-made Ubuntu reside ISO picture with Cubic
Now the customized reside ISO picture creation course of will begin. It would take a pair minute relying upon your system’s pace. As soon as the picture creation is accomplished, click on End button.
Create Customized Ubuntu Reside Cd Picture With Cubic
Lastly, Cubic will checklist the main points of newly created custom-made ISO picture. Click on Shut button to exit Cubic. If you wish to delete all venture recordsdata besides the ISO and checksum recordsdata, examine the field that claims “Delete all venture recordsdata…” on the backside after which click on Shut.
Personalized Ubuntu reside ISO picture is created with Cubic
The custom-made picture can be saved in your Cubic venture listing.
Contents of Cubic venture listing
Create a bootable USB with this ISO picture and check it in your system to confirm if it really works. There are various instruments obtainable to create bootable USB drive in Linux. Listed below are some to your reference:
Modify Customized Ubuntu Reside Cd Picture Utilizing Cubic
You may wish to do some adjustments within the present customized ISO. To take action, open the Cubic software and select the listing after which choose the trail of customized ISO (not the unique) that you simply wish to modify. And the remainder of the steps are precisely identical as above.
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