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add openwrt build script openwrt-build.sh and openwrt-build.md doc
Add Dockerfile that builds openwrt for glar150 with glard add a build.sh remove RUN do not run as root mv build.sh -> openwrt-build.sh make -j nproc openwrt-build.sh: make sure feeds.conf.default has one line per entry openwrt-build.sh: remove not needed make steps openwrt-build.sh: add some comment openwrt-build.md: add some human nodes openwrt-build.md: fix syntax openwrt-build.sh: run make instead of make -j4
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‎Dockerfile

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FROM ubuntu:14.04
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MAINTAINER Benjamin Henrion <[email protected]>
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RUN DEBIAN_FRONTEND=noninteractive apt-get update -y -q
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RUN DEBIAN_FRONTEND=noninteractive apt-get install -y -q --force-yes build-essential subversion git-core libncurses5-dev zlib1g-dev gawk flex quilt libssl-dev xsltproc libxml-parser-perl mercurial bzr ecj cvs unzip wget
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RUN useradd -d /home/openwrt -m -s /bin/bash openwrt
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RUN echo "openwrt ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/openwrt
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RUN chmod 0440 /etc/sudoers.d/openwrt
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USER openwrt
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WORKDIR /home/openwrt
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RUN git clone --quiet https://github.com/mirrors/openwrt.git
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WORKDIR /home/openwrt/openwrt
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# checking out version 48724 (svn) == 4eba46dc3a80529146329a5f28629429d6fb3cd5 (git)
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RUN git checkout 4eba46dc3a80529146329a5f28629429d6fb3cd5
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RUN echo "CONFIG_TARGET_ar71xx=y" > .config
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RUN make defconfig
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RUN make prereq
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RUN make -j`nproc` tools/install
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RUN make -j`nproc` toolchain/install
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RUN echo "src-git zmq https://github.com/zoobab/openwrt-zmq-packages.git" >> feeds.conf.default
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RUN ./scripts/feeds update zmq
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RUN ./scripts/feeds install -p zmq
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RUN ./scripts/feeds update -a
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RUN ./scripts/feeds install -a
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RUN make -j`nproc`
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RUN echo "CONFIG_PACKAGE_glard=y" >> .config
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RUN make oldconfig
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RUN make -j`nproc`

‎openwrt-build.md

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How to build the openwrt image
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==============================
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Just run the `openwrt-build.sh` script as a user (not root), tested under
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ubuntu 14.04.
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First of all, you have to be root without password prompt preferably, here an
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example how to add the user `joe` for sudo, those steps have to be done with
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the root user:
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```
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$ export MYUSER="joe"
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$ echo "$MYUSER ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/$MYUSER
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$ chmod 0440 /etc/sudoers.d/$MYUSER
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```
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This has been tested under ubuntu 14.04, if you want other distributions, look
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at the OpenWRT requirements here:
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https://wiki.openwrt.org/doc/howto/buildroot.exigence
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Then, just run the `openwrt-build.sh` script as a user (not root):
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```
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./openwrt-build.sh
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```
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At the end of the process, you should end up with a firmware bin file named
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`openwrt-ar71xx-generic-gl-ar150-squashfs-sysupgrade.bin` which
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contains glard and all the zmq libs in the `openwrt/bin/ar71xx` directory:
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```
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zoobab@sabayonx86-64 /home/zoobab/soft/glar150/openwrt/bin/ar71xx [13]$ ls
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md5sums openwrt-ar71xx-generic-uImage-lzma.bin openwrt-ar71xx-generic-vmlinux.lzma
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openwrt-ar71xx-generic-gl-ar150-squashfs-sysupgrade.bin openwrt-ar71xx-generic-vmlinux-lzma.elf packages
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openwrt-ar71xx-generic-root.squashfs openwrt-ar71xx-generic-vmlinux.bin sha256sums
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openwrt-ar71xx-generic-root.squashfs-64k openwrt-ar71xx-generic-vmlinux.elf
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openwrt-ar71xx-generic-uImage-gzip.bin openwrt-ar71xx-generic-vmlinux.gz
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```
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You should then upload this file in the default firmware of Gl.inet by going to
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the web interface of the device, -> Advanced Settings -> User+passwd -> System
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-> Backup/FlashFirmware -> Flash New Firmware Image -> Choose File -> Flash
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Image
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Do no power up the device, and wait 3 minutes at least.
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The device will reboot with a 192.168.1.1 IP address, you should be able to:
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a. ping if you put a static IP on your PC (like 192.168.1.2)
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b. a DHCP address from your PC
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From there, you should be able to reach the default web interface
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http://192.168.1.1 or telnet to the device.
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Sometimes the previous configuration is not erased, so it will keep its default
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IP address (192.168.8.1), so if you want to wipe it out, you should login in
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telnet or ssh, and run `firstboot` to erase the previous settings.

‎openwrt-build.sh

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#!/bin/bash
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set -x
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if [[ $(id -u) -eq 0 ]] ; then
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echo "Please do not run as root!";
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exit 1;
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fi
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DEBIAN_FRONTEND=noninteractive sudo apt-get update -y -q
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DEBIAN_FRONTEND=noninteractive sudo apt-get install -y -q --force-yes build-essential subversion git-core libncurses5-dev zlib1g-dev gawk flex quilt libssl-dev xsltproc libxml-parser-perl mercurial bzr ecj cvs unzip wget
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git clone https://github.com/mirrors/openwrt.git
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cd openwrt/
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git checkout 4eba46dc3a80529146329a5f28629429d6fb3cd5
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echo "src-git zmq https://github.com/zoobab/openwrt-zmq-packages.git" >> feeds.conf.default
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uniq feeds.conf.default > feeds.conf.default
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./scripts/feeds update zmq
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./scripts/feeds install -p zmq
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./scripts/feeds update -a
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./scripts/feeds install -a
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# "=y" means in the firmware image, "=m" means as an external *.ipk package
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echo "CONFIG_TARGET_ar71xx_generic_GL-AR150=y" > .config
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echo "CONFIG_PACKAGE_glard=y" >> .config
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make defconfig
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make

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