Steps for Remix OS installation alongside Ubuntu 16.04 - Remix OS for PC

Steps
Download Remix OS for PC from
http://www.jide.com/remixos-for-pc
Create an ext4 partition for minimum of 8 GB with label as RemixOS using Gparted from Ubuntu.
(Note : Resizing, ie. shrinking an existing partition, takes more time.
If you have fewer files in an existing partition it will be better to copy those files to another partition
and delete first partition
and create 2 new partitions. One for Remix OS and another for old Data. This will save time.
You should be careful while using Gparted so that partition in which Ubuntu and Windows have been installed is not messed up.
If there is an existing partition which you can allot entirely for Remix OS then open Gparted reformat it to ext4 and label it as RemixOS)
Right click downloaded Remix OS file and select Extract.
Again extract the resultant *.iso file.
Copy the iso extract resulting files and folders to the new ext4 partition labelled RemixOS.
Boot option
Boot option can be created in two ways - either by Making an entry in /etc/grub.d/40_custom file or by Making an entry through Grub-customizer
Making an entry in /etc/grub.d/40_custom file
Open Terminal and type below command
sudo gedit /etc/grub.d/40_custom
--> Make the file opened look like below by copying. Change the "set root=(hd0,3)" as per the RemixOS partition drive number in Gparted mine is sda3. If yours is sda4 change it as "set root=(hd0,4)"
#!/bin/sh
exec tail -n +3 $0
menuentry "Remix OS" {
set root=(hd0,3)
linux /kernel initrd=/initrd.img boot=LABEL=RemixOS disk=LABEL=RemixOS quiet root=/dev/ram0 androidboot.hardware=remix_x86_64 androidboot.selinux=permissive quiet SRC= DATA= CREATE_DATA_IMG=1
initrd /initrd.img
}
--> Save --> close.
Type below Terminal commands
sudo chmod +x /etc/grub.d/40_custom
sudo update-grub
(Remix OS does not appear in grub detection while updating grub but appears in Grub Boot Menu)
or
Making an entry through Grub-customizer
Install Grub-customizer in Ubuntu
Type below commands in terminal for installation
sudo add-apt-repository ppa:danielrichter2007/grub-customizer
sudo apt-get update
sudo apt-get install grub-customizer
Start Grub customizer - select edit - new -
put menuentry as "REMIXOS Resident mode - All your data and apps are saved" or as "Remix OS"
Type as "other"
copy below to the boot sequence. Change the "set root=(hd0,3)" as per the RemixOS partition drive number in Gparted mine is sda3. If yours is sda4 change it as "set root=(hd0,4)"
set root=(hd0,3)
linux /kernel initrd=/initrd.img boot=LABEL=RemixOS disk=LABEL=RemixOS quiet root=/dev/ram0 androidboot.hardware=remix_x86_64 androidboot.selinux=permissive quiet SRC= DATA= CREATE_DATA_IMG=1
initrd /initrd.img
Select Save.
Note : Not writing to MBR has resulted in Ubuntu not booting and Remix OS booting when options for Ubuntu was selected in Boot menu. And Remix OS did not show up in Grub menu entry.
So select File - > click write to MBR.
After MBR write, restart ubuntu and select Remix OS.
Patience is needed here it will take some time to install. Sometime without any animation or display movement. So do not restart when it is like that. Wait few minutes it will boot up.
Activate Play Store using Play Activator app (comes pre-installed)
After much trial and error found working way of installation of RemixOS alongside Ubuntu. So sharing it here.
You can increase Internal Storage / Memory from Ubuntu by following
Open Files -> select RemixOS partition -> after it has been mounted move mouse pointer over RemixOS again but don't click -> it will show the mount path normally it will be /media/xxxxxxx/RemixOS (user name will be displayed in place of xxxxxxx -> note the path
You can copy data.img file to Ubuntu partition for restore purpose in case anything goes wrong, before attempting resizing.
open terminal and type below commands
-> cd /media/xxxxxxx/RemixOS
(the path noted)
-> sudo e2fsck -f data.img
type sudo password
-> resize2fs data.img 8G
(Note : Replace 8G as per the partition size allocated to RemixOS.
If you have allocated 40GB to RemixOS partition then you can leave 10GB for OS and
allocate balance 30GB to Internal memory. In such case command will be resize2fs data.img 30G
Important :- allow sufficient space for System use)
-> exit.
I encountered some errors while resizing it asked whether it should be fixed and I pressed two times yes for fix errors.
Remix OS boot was fine it showed increased Internal Storage.
Even OTA update works. Patience is needed when no animation or display or Blank Screen. Wait few minutes. It will restart.
(updated from 3.0.202 to 30.0.203 to 3.0.204 to 3.0.205 to 3.0.206 so far without any errors).
While updating to 3.0.206 the newly introduced update percentage screen disappeared after 65% and display showed blanked screen but update happened and rebooted after 5 minutes (may increase or decrease depending on your RAM). So don't shutdown on blank screen.
Note: Edge scroll not working, two finger scroll works, in laptop (Remix OS).

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Why do I get corrupted sd , when formatting it deleted everything off hard drive. I have latest remix 64 extracted,also extracted system.img and placed it into root folder on Ubuntu ,along with kernel,initd.img,ramdisk.img, edited grub to boot, everything runs but only 1 gig of memory with the corrupted part ,

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Increase Internal Storage / Memory of Remix OS through Ubuntu
miko12312 said:
Why do I get corrupted sd , when formatting it deleted everything off hard drive. I have latest remix 64 extracted,also extracted system.img and placed it into root folder on Ubuntu ,along with kernel,initd.img,ramdisk.img, edited grub to boot, everything runs but only 1 gig of memory with the corrupted part ,
Click to expand...
Click to collapse
System data is shown in android file manager as corrupted. But Remix OS runs fine.
See first post on how to increase internal storage (now added).

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Am I able to make an ext4 even if Ubuntu is using the whole drive and portions,ubuntu setup has ext4 for root folder and a swap partition I tried repartitioning the drive to have space left but it wouldn't let me install Ubuntu I created 150gb for / ,500mb for boot,100gb for home ,and 2048mb for swap to install

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miko12312 said:
Am I able to make an ext4 even if Ubuntu is using the whole drive and portions,ubuntu setup has ext4 for root folder and a swap partition I tried repartitioning the drive to have space left but it wouldn't let me install Ubuntu I created 150gb for / ,500mb for boot,100gb for home ,and 2048mb for swap to install
Click to expand...
Click to collapse
If you feel 150gb is more for / - Shrinking it may be done through Ubuntu Live DVD Gparted. Patience needed here shrinking may take more than one hour. There is remote chance of Ubuntu not booting up and requiring Ubuntu reinstallation.
Alternatively you can try reinstalling Ubuntu from Live DVD after deleting the existing / partition and creation of two ext4 partitions one for Ubuntu / and other for RemixOS. Leaving the 100gb home as it is.

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I have a 320gb Acer c710 chrome book with seabios installed ,along with lubuntu 16.04, I'm trying to manual install lubuntu or Ubuntu since its same, I want to make Linux with 150gb as / , and the rest as earlier , so I have close to 70gb for remix or what ever , but when doing so I get an error when installing but I'm a try the live USB option see if that works on shrinking , I'm still learning Linux but understand most of it pretty easy , but really like remix for the gaming , since they switched to mm I have had it run successfully but root issues and fc, now I'm trying to run it with the official and re root after

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Made the ext4 partition , but not getting boot stays in bootloop,do I need to extract the system.sfs,and use the system.img

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miko12312 said:
Made the ext4 partition , but not getting boot stays in bootloop,do I need to extract the system.sfs,and use the system.img
Click to expand...
Click to collapse
Extracting iso is sufficient.
Delete the already copied files to the new ext4 RemixOS partition from Ubuntu and copy again the iso extracted files. Then boot to Remix OS.

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I have everything running but still says corrupted USB , I have made a data IMG of 10gs ,everything is running but can't install anything from play store ,root seems to be working also ,wifi disconnects also

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miko12312 said:
I have everything running but still says corrupted USB , I have made a data IMG of 10gs ,everything is running but can't install anything from play store ,root seems to be working also ,wifi disconnects also
Click to expand...
Click to collapse
Activate Play using Play activator.
Wifi auto on is not working. Click on wifi icon on bottom right it will connect. If still not working try switching off and on wifi.

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Already activated play store but all apps even systems won't install or update ,have to use Altoids and apps downloaded ,

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miko12312 said:
Already activated play store but all apps even systems won't install or update ,have to use Altoids and apps downloaded ,
Click to expand...
Click to collapse
Try restarting.

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Still can't tried changing sfs to IMG,changed the initrd for r/w but still can't install apps from play store even if they are system apps
---------- Post added at 05:59 PM ---------- Previous post was at 05:58 PM ----------
It runs well , with su
support but would like to download games for x86 then to have to transfer games from online or other devices or resources

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How do I get rid of the corrupted USB , I think since the system and other IMG s are read only it can't install properly

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I still get corrupted as ,but adding folders Android/data ,and data to the remixos partition it fixed the play store I can now do everything I also made the system.IMG bigger and created my own data.IMG

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miko12312 said:
I still get corrupted as ,but adding folders Android/data ,and data to the remixos partition it fixed the play store I can now do everything I also made the system.IMG bigger and created my own data.IMG
Click to expand...
Click to collapse
Today updated to 3.0.205 by OTA. System.IMG may not work with OTA update.
Have you tried installing / updating apps with Remix Central before creating Android/data and data folders ?

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I have not used playstore so far.

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The android folder is not nessacery as it uses the other portion of Ubuntu as an SD only need data folder I am updated to latest , the corrupted part is the swap space I think , its the only partition I can think of ,but most games run slow on remix and don't work yet

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How can I modify the system without it reverting ,so I can modify system apps and delete and install some as system apps

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Get Root Access. Install Superuser app from playstore.
Install Titanium backup for backing up of both user and system apps and apps' data.
I think Link2sd app has feature of moving user app to system app.