The last tab allows you to customise boot parameters and boot behaviour of the live ISO. It is possible to completely automate installation process by choosing predetermined values for every field in the default installer. For example, if you are building this ISO for users in a specific time zone, you can modify preseed files to choose that time zone and it will be automatically selected during installation. These preseed files are used to automate installation. The third tab allows you to customize preseed files. The second tab allows you to select a specific kernel for the customized live ISO. The first tab allows you to select packages that you want to be removed after installation finishes from your customized live ISO. Once you are done with chroot, click on the next button to reach advanced settings layout. Click on “Copy” button to add files to the root of custom ISO filesystem.īelow is a small example where I have added a new wallpaper to /usr/share/backgrounds directory in the chroot filesystem. After you drag and drop a file on chroot window, a new window for uploading files appears. One typical use case is to add additional wallpapers in “usr/share/backgrounds” directory.
#Edit linux iso file install#
$ flatpak install flathub Īny files that you want to end up in custom ISO can be dragged on chroot window. $ flatpak remote-add -if-not-exists flathub https: // /repo /flathub.flatpakrepo Inside the chroot environment, we will begin by adding universe repository to increase the number of apps available to install: Cubic passes all the changes made in chroot to the Live ISO. Any changes made inside chroot affect root directory of its running processes and children only. Chroot allows you to run commands inside a sandboxed file system completely unaware and disconnected from any other file systems present on the system. Once the process is finished, you will be taken to a chroot terminal. By default, Cubic will assign a version number and date to your Custom ISO build.Ĭlick the next button to see Cubic working on the original ISO to create an environment for customization. You can change details under “Custom ISO…” field as per your requirements. Cubic will automatically populate all details and metadata in visible input boxes. On the next screen under “Original ISO…” field, click on “Select” button to choose an ISO image. Enter a path to your desired project folder where all your customizations and final customized ISO will be stored.
Launch it from application launcher and you will be greeted with a welcome screen. $ sudo apt-add-repository ppa:cubic-wizard /release To install Cubic, run the commands below: This article will walk you through all major customization options available in Cubic, tested with latest ISO image of Ubuntu 19.10. Next time when you launch a Cubic project again, it will resume with all the previous customizations made by you in the ISO. You can navigate through your customization project using backward and forward buttons and quit any time you wish. It allows you to create a customized bootable Live ISO image from an existing Ubuntu ISO file and makes tweaking extremely easy by using a step by step navigation structure. However it is now much easier to create an Ubuntu Remix and distribute it as a Live CD to friends or colleagues, thanks to an excellent GUI app called Cubic.Ĭubic is a graphical application featuring an integrated command line chroot environment terminal. Usually it takes a lot of steps and tinkering to customize an Ubuntu Live CD if you go through command line route. In order to make it easier to deploy a custom variant of Ubuntu, these organizations bake their changes in the Live CD or Live USB itself. It is not uncommon to see a custom version of Ubuntu deployed on multiple PCs in various for-profit and non-profit organizations.
#Edit linux iso file full#
Like most other distributions, it allows users to boot into Live mode and experience the full OS before installing it on the hard disk. Ubuntu is one of the most popular Linux distributions available today that focuses on ease of use and a great out of the box experience.
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