Added 'autorun' functionality loosely based on 'init.d'. Updated the software components with their latest versions (not tested yet).

src/.config

@@ -11,7 +11,7 @@
 #
 #   http://kernel.org
 #
-KERNEL_SOURCE_URL=http://kernel.org/pub/linux/kernel/v4.x/linux-4.9.13.tar.xz
+KERNEL_SOURCE_URL=http://kernel.org/pub/linux/kernel/v4.x/linux-4.9.33.tar.xz
 
 # You can find the latest GNU libc source bundles here:
 #
@@ -51,21 +51,21 @@ LINKS_SOURCE_URL=http://links.twibright.com/download/links-2.14.tar.bz2
 #
 #   http://matt.ucc.asn.au/dropbear/dropbear.html
 #
-DROPBEAR_SOURCE_URL=http://matt.ucc.asn.au/dropbear/releases/dropbear-2016.74.tar.bz2
+DROPBEAR_SOURCE_URL=http://matt.ucc.asn.au/dropbear/releases/dropbear-2017.75.tar.bz2
 
 # You can find the latest Apache Felix source bundles here:
 #
 #   http://felix.apache.org
 #
-FELIX_SOURCE_URL=http://www-us.apache.org/dist/felix/org.apache.felix.main.distribution-5.6.1.tar.gz
+FELIX_SOURCE_URL=http://archive.apache.org/dist/felix/org.apache.felix.main.distribution-5.6.4.tar.gz
 
 # You need to manually download Oracle's JRE or JDK and set the property with
 # the absolute path to the downloaded archive. Example:
 #
-#   JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u102-linux-x64.tar.gz
+#   JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u131-linux-x64.tar.gz
 #
 #JAVA_ARCHIVE=/absolute/path/to/java.archive.tar.gz
-#JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u111-linux-x64.tar.gz
+#JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u131-linux-x64.tar.gz
 
 # You can find the latest Lua source bundes here:
 #

src/minimal_rootfs/etc/02_overlay.sh

@@ -38,14 +38,14 @@ mkdir /mnt/var
 echo "Created folders for all critical file systems."
 
 # Copy root folders in the new mountpoint.
-echo "Copying the root file system to /mnt..."
+echo -e "Copying the root file system to \\e[94m/mnt\\e[0m."
 cp -a bin etc lib lib64 root sbin src usr var /mnt 2>/dev/null
 
 DEFAULT_OVERLAY_DIR="/tmp/minimal/overlay"
 DEFAULT_UPPER_DIR="/tmp/minimal/rootfs"
 DEFAULT_WORK_DIR="/tmp/minimal/work"
 
-echo "Searching available devices for overlay content..."
+echo "Searching available devices for overlay content."
 for DEVICE in /dev/* ; do
   DEV=$(echo "${DEVICE##*/}")
   SYSDEV=$(echo "/sys/class/block/$DEV")
@@ -69,11 +69,11 @@ for DEVICE in /dev/* ; do
   mount $DEVICE $DEVICE_MNT 2>/dev/null
   if [ -d $DEVICE_MNT/minimal/rootfs -a -d $DEVICE_MNT/minimal/work ] ; then
     # folder
-    echo "  Found '/minimal' folder on device '$DEVICE'."
+    echo -e "  Found \\e[94m/minimal\\e[0m folder on device \\e[31m$DEVICE\\e[0m."
     touch $DEVICE_MNT/minimal/rootfs/minimal.pid 2>/dev/null
     if [ -f $DEVICE_MNT/minimal/rootfs/minimal.pid ] ; then
       # read/write mode
-      echo "  Device '$DEVICE' is mounted in read/write mode."
+      echo -e "  Device \\e[31m$DEVICE\\e[0m is mounted in read/write mode."
 
       rm -f $DEVICE_MNT/minimal/rootfs/minimal.pid
 
@@ -83,7 +83,7 @@ for DEVICE in /dev/* ; do
       WORK_DIR=$DEVICE_MNT/minimal/work
     else
       # read only mode
-      echo "  Device '$DEVICE' is mounted in read only mode."
+      echo -e "  Device \\e[31m$DEVICE\\e[0m is mounted in read only mode."
 
       OVERLAY_DIR=$DEVICE_MNT/minimal/rootfs
       OVERLAY_MNT=$DEVICE_MNT
@@ -92,7 +92,7 @@ for DEVICE in /dev/* ; do
     fi
   elif [ -f $DEVICE_MNT/minimal.img ] ; then
     #image
-    echo "  Found '/minimal.img' image on device '$DEVICE'."
+    echo -e "  Found \\e[94m/minimal.img\\e[0m image on device \\e[31m$DEVICE\\e[0m."
 
     mkdir -p /tmp/mnt/image
     IMAGE_MNT=/tmp/mnt/image
@@ -105,7 +105,7 @@ for DEVICE in /dev/* ; do
       touch $IMAGE_MNT/rootfs/minimal.pid 2>/dev/null
       if [ -f $IMAGE_MNT/rootfs/minimal.pid ] ; then
         # read/write mode
-        echo "  Image '$DEVICE/minimal.img' is mounted in read/write mode."
+        echo -e "  Image \\e[94m$DEVICE/minimal.img\\e[0m is mounted in read/write mode."
 
         rm -f $IMAGE_MNT/rootfs/minimal.pid
 
@@ -115,7 +115,7 @@ for DEVICE in /dev/* ; do
         WORK_DIR=$IMAGE_MNT/work
       else
         # read only mode
-        echo "  Image '$DEVICE/minimal.img' is mounted in read only mode."
+        echo -e "  Image \\e[94m$DEVICE/minimal.img\\e[0m is mounted in read only mode."
 
         OVERLAY_DIR=$IMAGE_MNT/rootfs
         OVERLAY_MNT=$IMAGE_MNT
@@ -137,21 +137,21 @@ for DEVICE in /dev/* ; do
 
     OUT=$?
     if [ ! "$OUT" = "0" ] ; then
-      echo "  Mount failed (probably on vfat)."
+      echo -e "  \\e[31mMount failed (probably on vfat).\\e[0m"
-      
+
       umount $OVERLAY_MNT 2>/dev/null
       rmdir $OVERLAY_MNT 2>/dev/null
-      
+
       rmdir $DEFAULT_OVERLAY_DIR 2>/dev/null
       rmdir $DEFAULT_UPPER_DIR 2>/dev/null
       rmdir $DEFAULT_WORK_DIR 2>/dev/null
     else
       # All done, time to go.
-      echo "  Overlay data from device '$DEVICE' has been merged."
+      echo -e "  Overlay data from device \\e[31m$DEVICE\\e[0m has been merged."
       break
     fi
   else
-    echo "  Device '$DEVICE' has no proper overlay structure."
+    echo -e "  Device \\e[31m$DEVICE\\e[0m has no proper overlay structure."
   fi
 
   umount $DEVICE_MNT 2>/dev/null
@@ -163,10 +163,10 @@ mount --move /dev /mnt/dev
 mount --move /sys /mnt/sys
 mount --move /proc /mnt/proc
 mount --move /tmp /mnt/tmp
-echo "Mount locations /dev, /sys, /tmp and /proc have been moved to /mnt."
+echo -e "Mount locations \\e[94m/dev\\e[0m, \\e[94m/sys\\e[0m, \\e[94m/tmp\\e[0m and \\e[94m/proc\\e[0m have been moved to \\e[94m/mnt\\e[0m."
 
 # The new mountpoint becomes file system root. All original root folders are
-# deleted automatically as part of the command execution. The '/sbin/init' 
+# deleted automatically as part of the command execution. The '/sbin/init'
 # process is invoked and it becomes the new PID 1 parent process.
 echo "Switching from initramfs root area to overlayfs root area."
 exec switch_root /mnt /etc/03_init.sh

src/minimal_rootfs/etc/03_init.sh

@@ -45,7 +45,7 @@ read -t 5 -n1 -s key
 
 if [ "$key" = "" ] ; then
   # Use default initialization logic based on configuration in '/etc/inittab'.
-  echo "Executing /sbin/init as PID 1."
+  echo -e "Executing \\e[32m/sbin/init\\e[0m as PID 1."
   exec /sbin/init
 else
   # Print second message on screen.

src/minimal_rootfs/etc/04_bootscript.sh

@@ -14,9 +14,7 @@
 #                    |
 #                    +--(1) /etc/04_bootscript.sh (this file)
 #                    |       |
-#                    |       +-- udhcpc
+#                    |       +-- /etc/autorun/* (all scripts)
-#                    |           |
-#                    |           +-- /etc/05_rc.udhcp
 #                    |
 #                    +--(2) /bin/sh (Alt + F1, main console)
 #                    |
@@ -28,9 +26,9 @@
 
 echo -e "Welcome to \\e[1mMinimal \\e[32mLinux \\e[31mLive\\e[0m (/sbin/init)"
 
-for DEVICE in /sys/class/net/* ; do
+# Autorun functionality
-  echo "Found network device ${DEVICE##*/}" 
+for AUTOSCRIPT in /etc/autorun/*
-  ip link set ${DEVICE##*/} up
+do
-  [ ${DEVICE##*/} != lo ] && udhcpc -b -i ${DEVICE##*/} -s /etc/05_rc.dhcp
+  echo -e "Executing \\e[32m$AUTOSCRIPT\\e[0m in subshell."
+  sh $AUTOSCRIPT
 done
-

src/minimal_rootfs/etc/05_rc.dhcp

@@ -33,9 +33,9 @@ if [ "$router" ]; then
 fi
 
 if [ "$ip" ]; then
-  echo "DHCP configuration for device $interface"
+  echo -e "DHCP configuration for device $interface"
-  echo "ip:     $ip"
+  echo -e "IP:     \\e[1m$ip\\e[0m"
-  echo "mask:   $mask"
+  echo -e "mask:   \\e[1m$mask\\e[0m"
-  echo "router: $router"
+  echo -e "router: \\e[1m$router\\e[0m"
 fi
 

src/minimal_rootfs/etc/autorun/01_network.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# DHCP network
+for DEVICE in /sys/class/net/* ; do
+  echo "Found network device ${DEVICE##*/}"
+  ip link set ${DEVICE##*/} up
+  [ ${DEVICE##*/} != lo ] && udhcpc -b -i ${DEVICE##*/} -s /etc/05_rc.dhcp
+done