2023 - Nerdizen
FydeOS Installation Multiboot with Linux (Ubuntu) & Windows on Dynabook R734/K Laptop

FydeOS Installation Multiboot with Linux (Ubuntu) & Windows on Dynabook R734/K Laptop

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FydeOS is an operating system that is based on the most spoken lighweight, modern, and cloud-first ChromeOS. Thinking how ChromeOS advertised as being lighweight yet modern, is a no brainer for me to try FydeOS by multibooting it with the installed Linux (Ubuntu) and Windows on my old Dynabook R734/K laptop.

Nerdizen.xyz — Debian-based, Ubuntu-based, next maybe Android-x86-based, my journey on distro-hopping on the GNU Not Unix/Linux operating system world. But for today is special, because it’s my new experience when trying a ChromeOS-based OS on my Dynabook R734/K laptop, that is FydeOS.

Just like most of OS-mania know, that ChromeOS baked up by the search engine giant Google, branded as a lightweight, modern, cloud-first operating system. But what holds me so long in trying ChromeOS is actually the “cloud-first” part, I thought ChromeOS was really just “browser-as-OS” that it doesn’t have interesting features besides of that (example why Windows win because it’s massive games & apps, or how Linux distros win because of customizability and effectiveness).

But from FydeOS I learnt that ChromeOS-based OS could be as rich as a Linux distro, as fun as an Android-x86, and it’s productivities could be as great as Windows.

Steps Installing FydeOS – multiboot with Linux (Ubuntu) and Windows

File manager FydeOS Dynabook R734/K
Settings menu network FydeOS Dynabook R734/K

My environment & tools:

FydeOS version: FydeOS for PC v. 15.0.
installed OS: Ubuntu 22 and Windows 11.
media booting method: Ventoy.
device: Toshiba Dynabook R734/K.

Installing FydeOS to our PC

  1. Download the appropriate FydeOS OS image file from it’s official link: fydeos.io/download/. For Dynabook R734/K, it would be “FydeOS fo PC” with the first choice: “PC with legacy (circa 2010 – 2017) Intel Core (3rd Gen – 7th Gen),…”. Don’t forget to extract the archive to get the OS .img image file.
  2. Prepare the FydeOS installation media. Here I am using Ventoy to make the FydeOS OS image file bootable.
  3. [Recommended] Prepare new empty partition on our laptop’s hard drive where the FydeOS will be installed. For example we can use built-in tool on Windows “Disk Info” to easily split and make a new partiton on our hard drive. Usually the partition for a Linux distro should have a size around ±40 GB or more recommended. Give the new partition a proper label like “FydeOS” or something like that so we can easily distinguish it.
  4. It’s a good idea to disconnect all external devices especially storage devices before hand to ease the installation process (avoiding formatting/erasing mistakes).
  5. Enter Dynabook R734/K “Boot Menu” (BIOS menu): Restart laptop, then when the power LED turned on (but the screen not turned on yet), repeatedly press the F12 key until it entered the boot menu/BIOS menu.
  6. Now we are in the BIOS Boot Menu. If we haven’t plugged in the FydeOS installation/bootable media (e.g. USB storage stick), now is the time.
  7. The installation/bootable media drive should be detected in the Boot Menu list, we can just select it to directly boot into it (In my case here, to the Ventoy boot menu). It the media is not detected, try to restart the laptop to BIOS boot menu again, sometimes it needs a few restarts to BIOS boot menu until an installation/bootable media can be deteced (maybe caused by slow media device, e.g. using a slow/cheap USB stick).
  8. Now in Ventoy boot menu, just choose/select the FydeOS image file to boot into the OS live media environment.
  9. On the FydeOS OS live media boot menu, select FydeOS Image A first to see if our PC can boot with it. Alternatively, select FydeOS Image B if the earlier didn’t work.
    Image for step 9
  10. Now we are inside the FydeOS live image environment. First, follow the FydeOS setup wizard like choosing language & keyboard, connecting to network (necessary, we will need it later), etc.
    Image for step 10
  11. Next on the account creation part of the setup wizard, we could just switch to “Use local account” first on the bottom menu because we are just still in the FydeOS live image environment (not the real FydeOS installed on our PC yet).
    Image for step 11
  12. After the setup wizard has been finished, next we are about to install the FydeOS to our PC hard drive. Expand the FydeOS app drawer and launch the “Store” app.
    Image for step 12
  13. Click the “Installer” app and click “Add to FydeOS” to install the FydeOS Installer app.
    Image for step 13
  14. After it has been installed, open the “Installer” app. Because I want to multiboot FydeOS with another already installed OS on the hard drive, so choose “Multi-boot installation”.
    Image for step 14
  15. On the “Select OS partition section”:
    • On the “Disk” input, select the hard drive we want to install the FydeOS to. I only have one hard drive on my PC (so it will be the first and main also), so it will be /dev/sda.
    • On the “Partition” input, select the partition on the hard drive where FydeOS will be installed to. Beforehand, I have prepared an empty partition with 32 GB size here, it is the 5th partiton on the hard drive which is /dev/sda5.
  16. On the “Select EFI partition” section, typically this should be the first partition of our PC main hard drive. So for me, just like the details I mentioned before about my PC hard drive, it should be /dev/sda on the “Disk” input and /dev/sda1 on the “Partition” input.
    Image for step 15 & 16
  17. Next we will be presented how the FydeOS boot will be handled. Here I am choosed the recommended one, “Install and configure rEFInd for me”, to add and automatically configured rEFIind boot manager to our PC. Click “Install” button at the bottom to begin installing FydeOS to our PC hard drive.
    Image for step 17

Adding FydeOS to GRUB bootloader menu

Apparently after FydeOS has been finished installed and I rebooted my PC, the rEFInd boot manager did not appear, but it is still using the GRUB bootloader of the installed Ubuntu. So, here I just tried to manually add the FydeOS entry to the GRUB bootloader instead:

My environment & tools:

os used: Ubuntu 22.
app used: Grub Customizer.

Steps:

  1. Open Grub Customizer app.
  2. Tap the “Paper plus” icon to add new entry.
    Grub Customizer add new FydeOS Dynabook R734/K
  3. On the “Name” text input, give it a proper name like “FydeOS”. On the “Type” select input, select “Other”.
  4. Next on the “Boot sequence” textarea input, here I copied the FydeOS GRUB configuration I got from the EFI partition located on /boot/efi/EFI/fydeos/grub.cfg, we may need root (su/sudo) access to read/browse to this file. Click “OK” button at the bottom to confirm it.
    Image for step 3 & 4
  5. Click “Save” at the top menu to save the changed GRUB configuration.
  6. Next time we boot our PC, there should be FydeOS entry on the GRUB bootloader menu. Select the FydeOS entry, it will expand the FydeOS entry list. Just like before, try “FydeOS multi-boot A” first to see if it can boot our PC, either try “FydeOS multi-boot B” if the earlier is not work.
Image 1 for step 6
Image 2 for step 6
FydeOS installation multiboot with Linux (Ubuntu) and Windows on my Dynabook R734/K laptop, video on Youtube.

FydeOS quick review on my Toshiba Dynabook R734/K laptop

Storage info FydeOS Dynabook R734/K
App store essentials FydeOS Dynabook R734/K
Android app FydeOS Dynabook R734/K
About info FydeOS Dynabook R734/K

My environment:

FydeOS version: FydeOS for PC v. 15.
device: Toshiba Dynabook R734/K.

Just like I said earlier how I was underestimated ChromeOS as just a “browser-as-os”, my judgement of ChromeOS changed 180° after I tried FydeOS, the ChromeOS-based OS on my Dynabook R734/K laptop.

Neat user interface / looks. The first imression of FydeOS is how its a lightweight, beautiful, and very practical operating system. Unlike Windows, I love how uncluttered the user Interface of FydeOS.

Chromium browser. Just like how a ChromeOS should be, the Chromium browser is obviously the main character here that will launch instantly without loading when we click the icon from the dock or app drawer, taking us to the familiar Chrome browser interface. Chromium browser is the power of FydeOS that is updated automatically in the background to make sure we always have the latest web technology.

Android subsystem. But this is the most exciting one of FydeOS, the Android subsystem. Android subsystem is the built-in feature in FydeOS that can be activated in mere few clicks, allowing us to install and run Android apps and games directly with native performance if our device hardware.

Also we don’t need to download the Android apps/games apk manually to install them on the FydeOS, as it is also has Open GAPPS enabler feature to install the Google Play Store in a few clicks. With Google Play Store natively installed, access to millions of Android apps/games are available to be installed directly to the FydeOS.

Linux subsystem. Other than installing and running Android apps & games, FydeOS also makes it easy for us to delve into a Linux subsystem with the built-in Linux subsystem which again, can be activated easily in matters of clicks.

Useful links:

Resurrection Remix 8.6.4 – Android 10 Custom ROM for ASUS ZenFone Live L2 X00RD (Download + Review)

Resurrection Remix 8.6.4 – Android 10 Custom ROM for ASUS ZenFone Live L2 X00RD (Download + Review)

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Resurrection Remix OS or simply known as RROS, is one of earliest Android custom project known for it’s massive customizations, stability, while still loyal to the stock AOSP looks. Finally, after waiting so long now we can feel this legendary RROS on our ASUS ZenFone Live L2 with it’s Android 10!

Nerdizen.xyz — Resurrection Remix, if you never heard about this Android custom ROM project before, then you are not an Android custom ROM mania yet. Resurrection Remix was originally a custom ROM project derived from Remix ROM, just like it’s name, trying to bring back the Remix ROM project.

This Resurrection Remix Android 10 custom ROM is a native ROM (ported from ASUS ZenFone Max if I remember it correctly), means it not a GSI based ROM, so we can expect more hardware and device specific features worked out of the box. And just like the LineageOS 18.1 ROM I have previously posted, it is still made by the same person/team which is techfanciers@Sourceforge.

Resurrection Remix ASUS ZenFone Live L2 custom ROM info

Homescreen Trebuchet Resurrection Remix 8.6.4 ROM ZenFone Live L2
Quick settings Resurrection Remix 8.6.4 ROM ZenFone Live L2
Settings menu Resurrection Remix 8.6.4 ROM ZenFone Live L2
Recent menu Resurrection Remix 8.6.4 ROM ZenFone Live L2
Resurrection Tools Resurrection Remix 8.6.4 ROM ZenFone Live L2
About info Resurrection Remix 8.6.4 ROM ZenFone Live L2
ROM name Resurrection Remix
maintainer/builder techfanciers@Sourceforge
build type Unofficial
android version Android 10 (Q)
model target • ZA550KL – X00RD

How to install Resurrection Remix Android 10 custom ROM on ASUS ZenFone Live L2 (example using TWRP recovery)

Requirements:

  • Bootloader unlocked.
  • Custom recovery installed. TWRP recommended, if there is “Build model…” problem when installing, try OrangeFox recovery.
  • Backup!, your data and internal storage. Better safe than sorry. 😀

Steps:

  1. Download the ROM zip file of Resurrection Remix and save it to our ASUS ZenFone Live L2 Android phone internal storage or the microSD card (download links is at the end of this post).
  2. Boot our ASUS ZenFone Live L2 Android phone into recovery mode: Turn off our phone, then press and hold “Volume down” + “Power” buttons for a few seconds, release the power button when the phone vibrate while still holding the volume down button until it enters recovery mode.
  3. Do the 3 partitions wipe:
    • Data
    • Cache
    • Dalvick
  4. Go to reboot menu of the recovery, then choose to “Reboot to recovery”. This step is needed to refresh the partition info (avoiding error when installing something).
  5. Go to “Install” menu of the recovery, then just locate where we saved the Resurrection Remix ROM zip file and choose it to install it. Wait until it’s done.
  6. Next, mount “System” and “Vendor” partition, then install the “Decrypt” zip file (download link at the end of this post).
  7. [Optional] Because this Resurrection Remix ROM is vanilla, install a GAPPS (Google Apps) package if we want to have Google services (Play Store, Play Games, etc.) on our device.
  8. Done! Reboot our ASUS ZenFone Live L2 Android phone to start enjoying the Resurrectin Remix Android 10 Q custom ROM!

Known bugs of this Resurrection Remix Android 10 custom ROM

  • Sometimes the lockcreen became laggy, this is maybe caused by ambient features.* My personal fix is, We need to disable completely all ambient features. The problem is not all the ambient features options are showed/unlocked in the settings menu, but we need to install the overlay fix first:
    1. Download this overlay fix apk file:
      framework-res__auto_generated_rro.apk (± 1.7 MB).
    2. Using custom recovery, place/copy the overlay apk file to [system_root]/product/overlay.
    3. chmod the moved overlay apk file to 0644. For example on OrangeFox recovery, we can chmod a file by: Long press the file → “Set permissions” → Tap the “pencil icon” at the top right → Then on the permission text input, fill with 0644 or simply tap the item on the botton “Set 644” → Tap the “check” button at the bottom to apply it.
  • SIM card preference for call always revert back to SIM 2 after every device reboot.*

[*]: Known bugs when I tested the Resurrection Remix ROM v. 8.6.4 on my ASUS ZenFone Live L2 Android phone.

 

Download link — Resurrection Remix Android 10 custom ROM for ASUS ZenFone Live L2

Resurrection Remix v. 8.6.4 Android 10 custom ROM quick tour video on my ASUS ZenFone Live L2 on Youtube
RROS Q v. 8.6.4 – 20201205 X00R Unofficial.zip (± 844 MB)

Additional files:

Credits:
• ASUS ZENFONE LIVE L1 & L2 TELEGRAM GROUP — for the Decrypt file.

Installing Xubuntu Dual Boot with Windows (11) on Toshiba Dynabook R734/K Laptop

Installing Xubuntu Dual Boot with Windows (11) on Toshiba Dynabook R734/K Laptop

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Xubuntu is an Ubuntu-based Linux distro featuring the robust, customizable, yet lighweight desktop environment XFCE. Now on this post I want to share my experience installing Xubuntu and dual booting it alongside Windows 11 on my Toshiba Dynabook R734/K laptop.

Nerdizen.xyz — Oh linux world is so vast, there are just too many choices of GNU Not Unix/Linux OS or Linux distro out there to explore. And now my journey on exploring Linux distros is arrived on another Ubuntu-based Linux distro, one of Ubuntu official flavor, it is Xubuntu.

I started interested to Xubuntu because how it is said to be lighweight, mainly because it is using XFCE desktop environment, probably. Anything sounds lighweight, is what I looking for because I will use it on my old laptop (while “old” here is an unclear term) Dynabook R734/K.

So, the power and advantage of Ubuntu backed by it’s community and user base while still being lighweight on system resource usage, yet very customizable thanks to the mature XFCE environment, are the main points made me want to try Xubuntu and dual boot it alongside the already installed Windows 11 on my Dynabook R734/K laptop.

Steps installing Xubuntu – dual boot with Windows (11) (example on Dynabook R734/K laptop)

Xubuntu desktop overview on my Dynabook R734/K laptop

Xubuntu version: 22.04.
installed OS: Windows 11.
media booting method: Ventoy.
device: Toshiba Dynabook R734/K

Steps:

  1. Download Xubuntu OS image from the official download page: xubuntu.org/download/
  2. Prepare the Xubuntu installation media. Here I am using Ventoy to make the Xubuntu iso image to become a bootable media.
  3. [Recommended] Prepare new empty partition on our laptop’s hard drive where the Xubuntu will be installed. For example we can use built-in tool on Windows “Disk Info” to easily split and make a new partiton on our hard drive. Usually the partition for a Linux distro should have a size around ±40 GB or more recommended. Give the new partition a proper label like “Xubuntu” or something like that so we can easily distinguish it.
  4. It’s a good idea to disconnect all external devices especially storage devices before hand to ease the installation process (avoiding formatting/erasing mistakes).
  5. Enter Dynabook R734/K “Boot Menu” (BIOS menu): Restart laptop, then when the power LED turned on (but the screen not turned on yet), repeatedly press the F12 key until it entered the boot menu/BIOS menu.
  6. Now we are in the BIOS Boot Menu. If we haven’t plugged in the Xubuntu installation media (e.g. USB storage stick), now is the time.
  7. The installation media drive should be detected in the Boot Menu list, we can just select it to directly boot into it (In my case here, to the Ventoy boot menu). Alternatively, we can adjust the boot menu to prioritize the installation media so it can boot it automatically if the installation media is detected when we restart the laptop by setting it:
    1. On the Boot Menu main menu, choose “Enter Setup”.
      Image for step 7.1
    2. On the side menu, choose “Advanced”, scroll down and choose → “Change Boot Order”.
      Image for step 7.2
    3. For example here I use a USB storage stick where Ventoy and the Xubuntu iso image is in, so make “USB Memory” at the top of the “Boot Priority Options”. Don’t forget to click “OK”.
      Image for step 7.3
    4. On the side menu, choose “Exit” → “Exit Saving Changes”.
      Image for step 7.4
  8. Now in Ventoy boot menu, first we might want to switch to “GRUB2 Mode” (increase compatibility in booting Linux images), press Ctrl+R to switch to GRUB2 Mode. Next, just choose the Xubuntu iso image to boot the Xubuntu OS live media.
  9. On the Xubuntu OS live media GRUB menu, choose “Try or Install Xubuntu” to boot into Xubuntu live image environment.
    Image for step no. 9
  10. Now we are on the desktop of Xubuntu live image environment. Click “Install Xubuntu” to begin the installation process of Xubuntu, or “Try Xubuntu” to try Xubuntu on the live image environment first and later we can bring back the installation window from the “Install Xubuntu…” shortcut on the desktop.
  11. Next proceed to Xubuntu installation wizard UI. Choose language → keyboard layout → connect to network (optional) → apps install preference (full or minimal), whether to allow install third party software option (recommended enabled).
    Image for step no. 11
  12. On the “Installation type”, because I have prepared the partition where Xubuntu I want to install to, choose “Something else” so I can pick the partition manually.
    Image for step no. 12
  13. Next the partition list window will appears. On the “Device for bootloader installation”, typically this should be the root of our PC main hard drive, that is /dev/sda.
  14. Then on the partition list table, right click the partition we want to use where Xubuntu will be installed, and click “Change”. On the “Use as” input, select “Ext4 journaling file system”. Tick the “Format the partition” checkbox. On the “Mount point” input, select /, then click “OK” button below it to confirm the partition settings.
    Image for step no. 14
  15. Next reselect the partition on the partition list table by left click it, then click “Install Now” button on the bottom menu to start installing Xubuntu to the partition.
    Image of step no. 15
  16. Proceed with configuring time zone, user profile, and wait until the installation done. After the installation done, we can restart our PC and the next time we restart it there will GRUB bootloader menu allow us to choose what OS to boot, the (X)Ubuntu or Windows (or other OS if you use it :D).

This tutorial may also be the same whether we have another Windows version installed like Windows 7, 8.1, etc., and/or with another Ubuntu-based Linux distros (and maybe most Debian-based Linux distros), though maybe there will be minor differences only in the OS installation wizard UI.

Xubuntu installation – dual boot with Windows 11 on my Dynabook R734/K laptop on Youtube.

Useful links:

Installing PrimeOS - Multiboot with Windows (10) and Linux (Ubuntu MATE) on Toshiba Dynabook R734/K Laptop

Installing PrimeOS - Multiboot with Windows (10) and Linux (Ubuntu MATE) on Toshiba Dynabook R734/K Laptop

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Who want to run Android apps/games on our large desktop or laptop screen? Me! Previously, I had installed BlissOS, one of “Android on PC” (Android-x86) OS on my Toshiba Dynabook R734/K laptop. Now I found a better Android PC OS in my opinion, it is PrimeOS.

Nerdizen.xyz — PrimeOS is an Android-x86 Operating System (OS) designed for computers like laptop or desktop allowing us to run a full-fledged Android OS with it’s fast collections of games and applications in a desktop computer User Interface (UI).

While PrimeOS is a general purposes Android PC OS for everyday life just like on our Android phone we can use on our PC, it is claimed as optimized for gaming making running Android games on PC a breeze experience with optimized systems and helpfull built-in tools.

But on this post, I will share not about just installing PrimeOS normally, but to install it alongside existed Windows 10 and Ubuntu MATE (Linux) on my Dynabook R734/K laptop.

PrimeOS Android PC OS info

name PrimeOS
official website primeos.in
OS base Android / Android-x86
description PrimeOS is optimized, stable and smooth Android PC for both games and applications. With PrimeOS, you can achieve the same gaming experience as a smartphone or console gaming.

PrimeOS Android PC OS features highlight

PrimeOS unmaximized window of Android Settings on my Dynabook R734/K laptop
PrimeOS desktop overview on my Dynabook R734/K laptop

Quoted from it’s official website:

Unrivalled Experience
Easy to install, become a gamer at warp speed.
Superior Performance
Stronger and smoother gameplay experience,use Multi-instances to play with friends.
New Prime OS 0.5.0
Play mobile games on PC with powerful PrimeOS.
Keyboard Control
One click to open keyboard mapping, get a real PC-like gaming experience by personalisingthe controls on your device.
Desktop Interface
Taskbar, Start Menu, Multiple Apps at one time. Experience Android like any other desktop OS.

Steps installing PrimeOS – multiboot with Windows and Linux (Example on Dynabook R734/K laptop)

PrimeOS version: 2.1.0 (iso type)
installed OS: Ubuntu MATE 20 & Windows 10
bootloader: GRUB
device: Toshiba Dynabook R734/K

Steps:

  1. Download the PrimeOS iso file from it’s official website: primeos.in/download/ and make an installation or bootable media of it, for example using Rufus (recommended) or Ventoy.
  2. Prepare a new empty partition on our laptop’s hard drive where the PrimeOS will be installed. For example we can use built-in tool on Windows “Disk Info” to easily split and make a new partiton on our hard drive, usually the partition for an Android-x86 OS should have a size around ±40 GB or more recommended. Give the new partition a proper label like “PrimeOS” or something like that so we can easily distinguish it.
  3. It’s a good idea to disconnect all external devices especially storage devices before hand to ease the installation process (avoiding formatting/erasing wrong storage/disk).
  4. Enter Dynabook R734/K “Boot Menu” (BIOS menu): Restart laptop, then when the power LED turned on (but the screen not turned on yet), repeatedly press the F12 key until it entered the boot menu/BIOS menu.
  5. The installation media drive should be detected in the Boot Menu list, we can just select it to directly boot into it. Alternatively, we can adjust the boot menu to prioritize the installation media so it can boot it automatically if the installation media is detected when we restart the laptop by setting it:
    1. On the Boot Menu main menu, choose “Enter Setup”.
      Image for step 4.1
    2. On the side menu, choose “Advanced”, scroll down and choose → “Change Boot Order”.
      Image for step 4.2
    3. For example here I use a USB storage stick where the PrimeOS has been burned using Rufus is in, so make “USB Memory” at the top of the “Boot Priority Options”. Don’t forget to click “OK”.
      Image for step 4.3
    4. On the side menu, choose “Exit” → “Exit Saving Changes”.
      Image for step 4.4
  6. Now we are on the PrimeOS installation media boot menu, select “Installation — Install PRIMEOS to hard disk” to begin installing PrimeOS.
    Instalation media boot menu PrimeOS Dynabook R734/K
  7. Next, the installation wizard of PrimeOS will appear. The first one is we choose the partition where PrimeOS will be installed in it. Then on the “Choose Filesystem” window, the best one will be ext4. But, Since my PC hard disk is still partitioned in MBR (BIOS boot mode), here I use ntfs instead.
    Installation wizard choose partition PrimeOS Dynabook R734/K
  8. On the GRUB bootloader installation choice, I choose “Skip” since my PC has already using GRUB bootloader and I will add the PrimeOS boot entry to the GRUB bootloader later manually.
  9. The installation wizard will begin creating the system directory of the PrimeOS, since I’m choosed ntfs as the partition format, it is actually creating system.img with size of 3507384 <abbr title="kilo Bytes">kB</abbr>, rounded around 3.5 GB, but I like to round it more to count is as 4 GB.
  10. Again because I am choosed ntfs as the partition format, this time we will be creating another disk image where the userdata will reside, a.k.a the data.img. For data.img size, the partition size I am using to install this PrimeOS is 32 GB and the PrimeOS system.img created is 4 GB rounded up roughly, I want to use all the left space on the partition as much as possible, then it is means the space left is 32GB - 4GB = 28GB. But I want to take extra measures just in case by substract it by 2 GB, so I only want to use 26 GB instead. So for the data.img size I want in MB is 26 * 1024 = 26624.
    Installation wizard data img size PrimeOS Dynabook R734/K
  11. After the data.img has been created, we won’t boot the newly installed PrimeOS yet, but we will add it first to the installed GRUB bootloader, in my case alongside installed Ubuntu MATE and Windows 10. Reboot my laptop back to BIOS Boot Menu (see step 4 above), unplug the installation media, reorder the boot priority back to prioritize hard drive (see step 5 above), then reboot to a Linux OS (in my case Ubuntu MATE).

Adding PrimeOS boot entry to GRUB

OS used: Ubuntu MATE
app used: Grub Customizer

Steps:

  1. Launch Grub Customizer app.
  2. Click “Paper plus” icon on the toolbar of Grub Customizer to add new boot entry to the GRUB.
  3. On the “Name” input, fill it with proper name, like “PrimeOS 2.1.0”.
  4. On the “Type” select, choose “Other”.
  5. Next, on the “Boot sequence” textarea, fill it with the boot script which I got originally from the Android-x86 project (this PrimeOS based on) with a little bit adjustments:
    Grub Customizer boot script PrimeOS Dynabook R734/K 
    set root='(hd0,3)'
    linux /android-2.1.0/kernel quiet root=/dev/ram0 androidboot.selinux=permissive acpi_sleep=s3_bios,s3_mode SRC=/android-2.1.0
    initrd /android-2.1.0/initrd.img
    • 0: It is the hard disk position where the PrimeOS installed, in my case I only have one hard disk, 0 means it is the first/main hard disk.
    • 3: It is the partition number where the PrimeOS installed.
    • android-2.1.0: The directory created at the root of the partition when PrimeOS is installed, where the PrimeOS files resides. We can get this value easily by browsing to the partition where the PrimeOS installed using a file manager.
  6. Click “OK”, then click “Save” on the Grub Customizer toolbar to save the boot entry to the GRUB bootloader.
  7. Restart our PC. The next time we reboot our PC, we should see the PrimeOS entry we just added in the GRUB bootloader menu.
    GRUB entry PrimeOS Dynabook R734/K
PrimeOS installation – multiboot with Ubuntu MATE and Windows 11 video on my Dynabook R734/K laptop on Youtube

Links:

  1. PrimeOS official download page
  2. Rufus – OS installation media creator
  3. Ventoy – make OS bootable / installation media without reformatting your storage drive each times
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