Installation

• Download archive
• Unpack archive (/sdcard/UbuntuOnAndroid-master)

cd /sdcard/UbuntuOnAndroid-master/
sh install.sh
ubstart

Note: After chrooting in Ubuntu run bash ./post-setup.sh for fix internet and update system

Removing Ubuntu

• Restart your device for unmount all resources

mount -o rw,remount /system
rm /system/bin/ubstart
rm -rf /data/local/ubuntu

Other Ubuntu rootfs architectures

• Download rootfs for your CPU architecture on Ubuntu Rootfs Repository
• Put downloaded archive to directory "/sdcard/UbuntuOnAndroid-master/rootfs"
• Rename archive from "ubuntu-base-*.tar.gz" to "ubuntu-rootfs.tar.gz"

Android 10(Q) issuse

• /system path in android 10 is READ-ONLY
• Use ubstart script (without copying to /system/bin) in UbuntuOnAndroid-master/scripts/

sh /sdcard/UbuntuOnAndroid-master/scripts/ubstart