Initial commit

.bash_profile

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+apt update -y && apt upgrade -y && apt install wget gnupg ffmpeg dialog xfce4-goodies libexo-1-0 -y
+rm -rf /etc/resolv.conf
+echo "nameserver 8.8.8.8" >> /etc/resolv.conf
+chmod +x /usr/share/andronix/firstrun
+mkdir -p ~/.vnc
+# Fixes for udisks2
+echo "" > /var/lib/dpkg/info/udisks2.postinst
+dpkg --configure -a
+apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 0CC3FD642696BFC8
+groupadd --gid 3003 permagrp
+groupadd --gid 9997 permagrp2
+groupadd --gid 50110 permagrp3
+groupadd --gid 99909997 permagrp4
+groupadd --gid 20195 permagrp5
+groupadd --gid 50195 permagrp6
+chmod 4755 /usr/bin/sudo
+rm -rf /etc/skel/.profile.1 /root/.profile.1
+/usr/share/andronix/firstrun; exit

.profile

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+exit() {
+  if pgrep -f tiger > /dev/null; then
+    unset -f exit
+    exit
+  else
+    pkill dbus
+    pkill ssh-agent
+    pkill gpg-agent
+    pkill pulseaudio
+    unset -f exit
+    exit
+  fi
+}

README.md

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+Install Ubuntu20 on Termux Android
+

firstrun

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+#!/bin/bash
+
+# suppress dmesg output while the script is running
+# echo 1 > /proc/sys/kernel/printk
+apt update
+apt install sudo dialog -y
+#variables
+TMPDIR=/var/tmp
+SWITCH=/usr/share/andronix/switchuser
+
+# Functions
+msg() {
+  ALL_OFF="\e[1;0m"
+  BOLD="\e[1;1m"
+  GREEN="${BOLD}\e[1;32m"
+  local mesg=$1; shift
+  printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+show_spinner() {
+  local -r pid="${1}"
+  local -r delay='0.75'
+  local spinstr='\|/-'
+  local temp
+  printf "${GREEN} This might take a while.. "
+  while ! grep -q "done" $TMPDIR/status ; do
+    temp="${spinstr#?}"
+    printf " [%c]  " "${spinstr}"
+    spinstr=${temp}${spinstr%"${temp}"}
+    sleep "${delay}"
+    printf "\b\b\b\b\b\b"
+  done
+  printf "Done!  \b\b\b\b"
+  echo ""
+}
+
+create_oem_install() {
+  echo "$USER" > $TMPDIR/user
+  echo "$PASSWORD" >> $TMPDIR/password
+  echo "$PASSWORD" >> $TMPDIR/password
+  echo "$ROOTPASSWORD" >> $TMPDIR/rootpassword
+  echo "$ROOTPASSWORD" >> $TMPDIR/rootpassword
+  msg "Setting root password..."
+  passwd root < $TMPDIR/rootpassword 1> /dev/null 2>&1
+  /usr/bin/vncpasswd -f <<<"$ROOTPASSWORD"$'\n'"$ROOTPASSWORD" > /root/.vnc/passwd 
+  msg "Adding user $USER..."
+  echo "" > $TMPDIR/status
+  useradd -m -G sudo -s /bin/bash -U $(cat $TMPDIR/user) 1> /dev/null 2>&1 && echo "done" > $TMPDIR/status &
+  show_spinner
+  msg "Setting full name to $FULLNAME..."
+  chfn -f "$FULLNAME" $(cat $TMPDIR/user) 1> /dev/null 2>&1
+  msg "Setting password for $USER..."
+  passwd $(cat $TMPDIR/user) < $TMPDIR/password 1> /dev/null 2>&1
+  /usr/bin/vncpasswd -f <<<"$PASSWORD"$'\n'"$PASSWORD" > /home/$USER/.vnc/passwd 
+  sed -i "/^root/a $USER ALL=(ALL) ALL" /etc/sudoers
+  msg "Applying system settings..."
+  systemctl disable systemd-resolved.service 1> /dev/null 2>&1
+
+  msg "Cleaning install for unwanted files..."
+  rm -rf /var/log/*
+
+  # Remove temp files on host
+  rm -rf $TMPDIR/user $TMPDIR/password $TMPDIR/rootpassword
+}
+
+
+# Using Dialog to ask for user input for variables
+USER=$(dialog --clear --title "Finish Andronix Install" \
+	--inputbox "Enter username:
+(Usernames can only be lower case)" 8 50 \
+  3>&1 1>&2 2>&3 3>&-)
+
+if [ ! -z "$USER" ]
+then
+FULLNAME=$(dialog --clear --title "Finish Andronix Install" \
+  --inputbox "Enter Full Name for $USER:" 8 50 \
+  3>&1 1>&2 2>&3 3>&- \
+	)
+fi
+
+if [ ! -z "$FULLNAME" ]
+then
+PASSWORD=$(dialog --clear --title "Finish Andronix Install" \
+  --insecure \
+  --passwordbox "Enter Password for $USER (at least 6 characters):" 8 50 \
+  3>&1 1>&2 2>&3 3>&- )
+else 
+	clear
+	msg "Configuration aborted. Restarting OEM script..."
+	sleep 5 && exec bash /usr/share/andronix/firstrun
+	#exit 1
+fi
+
+if [ ! -z "$PASSWORD" ]
+then
+LEN=${#PASSWORD}
+stat=1
+	if [[ "$LEN" -ge 6 ]]; then
+		stat=$?
+	else 
+		clear
+		msg "Password does not match minimum lenght of 6 characters. Restarting OEM script..."
+		sleep 5 && exec bash /usr/share/andronix/firstrun
+	fi
+fi
+
+if [ ! -z "$PASSWORD" ]
+then
+CONFIRMPASSWORD=$(dialog --clear --title "Andronix Installer" \
+	--insecure --passwordbox "Confirm Password for $USER:" 8 50 \
+  3>&1 1>&2 2>&3 3>&- \
+	)
+else 
+	clear
+	msg "Configuration aborted. Restarting OEM script..."
+	sleep 5 && exec bash /usr/share/andronix/firstrun
+	#exit 1
+fi
+
+if [[ "$PASSWORD" != "$CONFIRMPASSWORD" ]]; then
+  clear
+  msg "User passwords do not match! Restarting OEM script..."
+  sleep 5 && exec bash /usr/share/andronix/firstrun
+  #exit 1
+fi
+
+if [ ! -z "$CONFIRMPASSWORD" ]
+then
+ROOTPASSWORD=$(dialog --clear --title "Finish Andronix Install" \
+  --insecure \
+  --passwordbox "Enter Root Password (at least 6 characters):" 8 50 \
+  3>&1 1>&2 2>&3 3>&- \
+	)
+else 
+	clear
+	msg "Configuration aborted. Restarting OEM script..."
+	sleep 5 && exec bash /usr/share/andronix/firstrun
+	#exit 1
+fi
+
+if [ ! -z "$ROOTPASSWORD" ]
+then
+LEN=${#ROOTPASSWORD}
+stat=1
+	if [[ "$LEN" -ge 6 ]]; then
+		stat=$?
+	else 
+		clear
+		msg "Password does not match minimum lenght of 6 characters. Restarting OEM script..."
+		sleep 5 && exec bash /usr/share/andronix/firstrun
+	fi
+fi
+
+if [ ! -z "$ROOTPASSWORD" ]
+then
+CONFIRMROOTPASSWORD=$(dialog --clear --title "Andronix Installer" \
+	--insecure --passwordbox "Confirm Root Password:" 8 50 \
+  3>&1 1>&2 2>&3 3>&- \
+	)
+else 
+	clear
+	msg "Configuration aborted. Restarting OEM script..."
+	sleep 5 && exec bash /usr/share/andronix/firstrun
+	#exit 1
+fi
+
+if [[ "$ROOTPASSWORD" != "$CONFIRMROOTPASSWORD" ]]; then
+  clear
+  msg "Root passwords do not match! Restarting OEM script..."
+  sleep 5 && exec bash /usr/share/andronix/firstrun
+  #exit 1
+fi
+
+if [ ! -z "$CONFIRMROOTPASSWORD" ]
+then
+dialog --clear --title "Finish Andronix Install" \
+  --yesno "Is the below information correct:
+  Username = $USER
+  Full Name for $USER = $FULLNAME
+  Password for $USER = $PASSWORD
+  Password for root = $ROOTPASSWORD" 20 50 \
+  3>&1 1>&2 2>&3 3>&-
+else
+  clear
+  msg "Configuration aborted. Restarting OEM script..."
+  sleep 5 && exec bash /usr/share/andronix/firstrun
+  #exit 1
+fi
+
+response=$?
+case $response in
+  0) clear; msg "Proceeding....";;
+  1) clear; msg "Configuration aborted. Restarting OEM script..."; sleep 5 && exec bash /usr/share/andronix/firstrun;;
+  255) clear; msg "Configuration aborted. Restarting OEM script..."; sleep 5 && exec bash /usr/share/andronix/firstrun;;
+esac
+
+create_oem_install
+
+msg "Configuration complete. Cleaning up..."
+# Here we export the DISPLAY variable for all know users 
+echo "export DISPLAY=:1" >> /root/.bashrc && echo "export DISPLAY=:1" >> /home/$USER/.profile
+touch /home/$USER/.hushlogin
+# Here we overwrite .bash_login to drop the oem first run and the hack to redirect the user after the oem intaller has finished.
+echo "exec su - $USER" > $SWITCH 
+echo "$SWITCH; exit" > /root/.bash_profile
+chmod +x $SWITCH
+if [ -e /etc/ssh/sshd_config ]
+then
+	sed -i s/"PermitRootLogin yes"/"#PermitRootLogin prohibit-password"/g /etc/ssh/sshd_config
+fi
+msg "You can start using your newly installed Andronix Modded OS..."
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/.profile -O ~/.profile.1 > /dev/null
+cat ~/.profile.1 >> ~/.profile && rm -rf ~/.profile.1
+echo "#!/bin/bash
+wget https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/xfce.sh -O ~/xfce.sh
+chmod +x ~/xfce.sh
+bash ~/xfce.sh
+rm -rf ~/.bash_profile" > /home/$USER/.bash_profile 
+chmod +x /home/$USER/.bash_profile
+# Replace the current activity with a new shell for the user
+exec su - $USER

ubuntu.sh

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+#!/data/data/com.termux/files/usr/bin/bash
+folder=ubuntu20-fs
+dlink="https://raw.githubusercontent.com/AndronixApp/AndronixOrigin/master/APT"
+if [ -d "$folder" ]; then
+  first=1
+  echo "skipping downloading"
+fi
+tarball="ubuntu20-rootfs.tar.gz"
+
+if [ "$first" != 1 ];then
+  if [ ! -f $tarball ]; then
+    echo "Download Rootfs, this may take a while base on your internet speed."
+    case `dpkg --print-architecture` in
+    aarch64)
+      archurl="arm64" ;;
+    arm)
+      archurl="armhf" ;;
+    amd64)
+      archurl="amd64" ;;
+    x86_64)
+      archurl="amd64" ;;  
+    *)
+      echo "unknown architecture"; exit 1 ;;
+    esac
+    wget "https://github.com/AndronixApp/AndronixOrigin/raw/master/Rootfs/Ubuntu20/focal-${archurl}.tar.gz" -O $tarball
+
+fi
+  cur=`pwd`
+  mkdir -p "$folder"
+  cd "$folder"
+  echo "Decompressing Rootfs, please be patient."
+  proot --link2symlink tar -xf ${cur}/${tarball} --exclude=dev||:
+  cd "$cur"
+fi
+mkdir -p ubuntu20-binds
+bin=start-ubuntu20.sh
+echo "writing launch script"
+cat > $bin <<- EOM
+#!/bin/bash
+cd \$(dirname \$0)
+pulseaudio -k >> /dev/null 2>&1
+pulseaudio --start >> /dev/null 2>&1
+## unset LD_PRELOAD in case termux-exec is installed
+unset LD_PRELOAD
+command="proot"
+command+=" --link2symlink"
+command+=" -0"
+command+=" -r $folder"
+if [ -n "\$(ls -A ubuntu20-binds)" ]; then
+  for f in ubuntu20-binds/* ;do
+    . \$f
+  done
+fi
+command+=" -b /dev"
+command+=" -b /proc"
+command+=" -b ubuntu20-fs/root:/dev/shm"
+## uncomment the following line to have access to the home directory of termux
+#command+=" -b /data/data/com.termux/files/home:/root"
+## uncomment the following line to mount /sdcard directly to / 
+#command+=" -b /sdcard"
+command+=" -w /root"
+command+=" /usr/bin/env -i"
+command+=" HOME=/root"
+command+=" PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/games:/usr/local/games"
+command+=" TERM=\$TERM"
+command+=" LANG=en_US.UTF-8"
+command+=" LC_ALL=C"
+command+=" LANGUAGE=en_US"
+command+=" /bin/bash --login"
+com="\$@"
+if [ -z "\$1" ];then
+  exec \$command
+else
+  \$command -c "\$com"
+fi
+EOM
+
+mkdir -p ubuntu20-fs/usr/share/andronix
+mkdir -p ubuntu20-fs/var/tmp
+rm -rf ubuntu20-fs/usr/local/bin/*
+echo "127.0.0.1 localhost localhost" > $folder/etc/hosts
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/.profile -O ubuntu20-fs/root/.profile.1 > /dev/null
+cat $folder/root/.profile.1 >> $folder/root/.profile && rm -rf $folder/root/.profile.1
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/.bash_profile -O ubuntu20-fs/root/.bash_profile > /dev/null
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/vnc -P ubuntu20-fs/usr/local/bin > /dev/null
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/vncpasswd -P ubuntu20-fs/usr/local/bin > /dev/null
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/vncserver-stop -P ubuntu20-fs/usr/local/bin > /dev/null
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/vncserver-start -P ubuntu20-fs/usr/local/bin > /dev/null
+wget -q https://raw.githubusercontent.com/tuanpham-dev/termux-ubuntu/master/firstrun -P ubuntu20-fs/usr/share/andronix > /dev/null
+
+chmod +x ubuntu20-fs/root/.bash_profile
+chmod +x ubuntu20-fs/root/.profile
+chmod +x ubuntu20-fs/usr/local/bin/vnc
+chmod +x ubuntu20-fs/usr/local/bin/vncpasswd
+chmod +x ubuntu20-fs/usr/local/bin/vncserver-start
+chmod +x ubuntu20-fs/usr/local/bin/vncserver-stop
+
+echo "fixing shebang of $bin"
+termux-fix-shebang $bin
+echo "making $bin executable"
+chmod +x $bin
+echo "removing image for some space"
+rm $tarball
+
+bash $bin

vnc

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+#!/bin/bash
+
+LD_PRELOAD=/lib/aarch64-linux-gnu/libgcc_s.so.1 vncserver -localhost no -depth 24 -name remote-desktop $GEO :$PORT
+echo "VNC server started. The default password is the account password for $USER"

vncpasswd

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+#!/bin/bash
+
+read -sp 'Provide a new VNC password: ' PASSWORD
+/usr/bin/vncpasswd -f <<<"$PASSWORD"$'\n'"$PASSWORD" > $HOME/.vnc/passwd
+echo ""
+echo "Password for VNC changed"