Java in cloud

My GL-MT300A has 16GB mmc card installed inside. So I decided to create three swap-able extroots. That way, I can use various configuration "profiles", as well as have a "fail-back" configuration. First I partitioned my mmc card in the following way: root@OpenWrt:~# fdisk -l /dev/mmcblk0 Disk /dev/mmcblk0: 14.5 GiB, 15560867840 bytes, 30392320 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x080b255d Device         Boot   Start      End  Sectors  Size Id Type /dev/mmcblk0p1         2048  1050623  1048576  512M 83 Linux /dev/mmcblk0p2      1050624  2099199  1048576  512M 83 Linux /dev/mmcblk0p3      2099200  3147775  1048576  512M 83 Linux /dev/mmcblk0p4      3147776 30392319 2724...

As trunk is very minimal, here is list, what I do install: 1. Before extroot: opkg install kmod-rt2800-usb [ 1782.369777] usbcore: registered new interface driver rt2800usb opkg install kmod-sdhci-mt7620 [ 1832.552022] sdhci: Secure Digital Host Controller Interface driver [ 1832.558421] sdhci: Copyright(c) Pierre Ossman [ 1832.571182] sdhci-pltfm: SDHCI platform and OF driver helper [ 1832.663951] MTK MSDC device init. [ 1832.681538] mtk-sd: MediaTek MT6575 MSDC Driver [ 1832.899725] mmc0: new high speed SDHC card at address 0007 [ 1832.905767] mmcblk mmc0:0007: no of_node; not parsing pinctrl DT [ 1832.943689] mmcblk0: mmc0:0007 SD16G 14.5 GiB [ 1832.950744]  mmcblk0: p1 p2 # Fix for postinst package root@OpenWrt:/usr/lib/opkg/info# cat kmod-sdhci.postinst-pkg #!/bin/sh [ -z "$IPKG_INSTROOT" ] || exit 0 . /lib/functions.sh insert_modules sdhci #sdhci-pltfm opkg install blkid opkg install kmod-usb-storage [  ...

This is an attempt to get rid of piece of s.... called SuperRouter. The plan is to use OpenReach modem sourced on eBay with OpenWRT router (actually GL-MT300A). This is what is visible in TalkTalk router options: So I was going to reflect that configuration in router network configuration: root@OpenWrt:~# cd /etc/config/ root@OpenWrt:/etc/config# cp network network.ORIGINAL root@OpenWrt:/etc/config# vi network config globals 'globals'         option ula_prefix 'fc00:11111:1111::/48' config interface 'lan'         option type 'bridge'         option ifname 'eth0.1'         option proto 'static'         option ipaddr '192.168.147.1'         option netmask '255.255.255.0'         option ip6assign '60' config device 'lan_dev'         option name 'eth0.1'         option macaddr '...

The right image to flash is here: https://downloads.openwrt.org/snapshots/trunk/ramips/mt7620/openwrt-ramips-mt7620-gl-mt300a-squashfs-sysupgrade.bin the md5sum was $ cat md5sums | grep gl-mt 6897028a70dcdc97d10fcc1b2d82f0a8 *openwrt-ramips-mt7620-gl-mt300a-squashfs-sysupgrade.bin Replacing original firmware: login as: root root@192.168.8.1's password: BusyBox v1.23.2 (2016-04-14 17:11:33 HKT) built-in shell (ash)    ______  _____          ____    ____  _________  ______     ____      ____  .' ___  ||_   _|        |_   \  /   _||  _   _  |/ ____ `. .'    '.  .'    '. / .'   \_|  | |     ______ |   \/   |  |_/ | | \_|`'  __) ||  .--.  ||  .--.  | | |   ____  | |   _|______|| |\  /| |      | |    ...

The purpose of this post is to retain configuration of manufacturer provided firmware to easilly flash "stocked OpenWRT". First let's check what packages are installed: root@GL-MT300A:~# opkg list-installed base-files - 157.2-r47065 blkid - 2.25.2-4 busybox - 1.23.2-1 chat - 2.4.7-6 comgt - 0.32-25 dnsmasq - 2.73-1 dropbear - 2015.67-1 ethtool - 3.18-1 fcgi - 2.4.0-1 firewall - 2015-07-27 fstools - 2016-01-10-96415afecef35766332067f4205ef3b2c7561d21 gl-inet - 1 hostapd-common - 2015-03-25-1 ip - 4.0.0-1 ip6tables - 1.4.21-1 iptables - 1.4.21-1 iptables-mod-conntrack-extra - 1.4.21-1 iptables-mod-ipopt - 1.4.21-1 iw - 4.3-1 iwinfo - 2015-06-01-ade8b1b299cbd5748db1acf80dd3e9f567938371 jshn - 2015-11-08-10429bccd0dc5d204635e110a7a8fae7b80d16cb jsonfilter - 2014-06-19-cdc760c58077f44fc40adbbe41e1556a67c1b9a9 kernel - 3.18.27-1-04314c31bed8f992ea845699355da566 kmod-cfg80211 - 3.18.27+2016-01-10-1 kmod-crypto-aes - 3.18.27-1 kmod-crypto-arc4 - 3.18....