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→Linux installation guide
==Linux installation guide==
'''<span style="color: #ff0000;">PLEASE DON'T USE THESE INSTRUCTIONS IF YOU ARE NOT PART OF THE LINUX BETA PROGRAM</span>'''
The first step to install Linux on your Cosmo is to make sure you are running the latest Android firmware, currently v19. You can check the Android version by tapping Settings -> System -> Advanced -> About Phone and scrolling to the end of the page as in the following screenshot.
Using this method you will be able to install a custom OS such as Linux on your device without the need for a laptop or a desktop computer. All you need to do is to download the installer in a micro SD card and use the recovery mode to start the installation.
==TWRP installation==
===Tips===
* The password for the 'gemini' user is 'gemini'
* The default keyboard layout is English. To configure the a different keyboard layout of , make sure you have updated your CosmoLinux distribution:*# Remove _apt user from /etc/passwd (see point below in known issues)*# become root by typing 'sudo bash' followed by the 'gemini' password*# type 'apt-get update'*# type 'apt-get upgrade'.<br />Aget that, click on the menu icon and select System Settings. Inside System Settings select "Input Devices" and set the Keyboard Model under Hardware to "Planet | Planet Computers GeminiCosmo Communicator" as in the screenshot below. Tap the Apply button.
[[File:2855.jpg|center|640x480px|border]] Under layout you can now select your own Cosmo keyboard layout.
*# type 'apt-get update'
*# type 'apt-get upgrade'.
* Opening/Closing the unit does not suspend/resume the unit at this time. You will have to manually shutdown the unit via software when you want to terminate your Linux session.<br />Installing applications - In order to install application using the classic apt-get command, you will have to remove the "_apt" user from the /etc/passwd file.
==Rooted Android installation==
