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+# Create a YunoHost Live USB key
+
+Tested on Debian Wheezy (should work on Ubuntu as well). Original tutorial here: http://willhaley.com/blog/create-a-custom-debian-live-environment/
+
+**Warning**: I have **highlighted** all the places you should be in the **chroot** environment.
+
+1. Install applications we need to build the environment. 
+```bash
+sudo apt-get install debootstrap syslinux squashfs-tools genisoimage memtest86+ rsync
+```
+
+2. Setup the base Debian environment.  I am using wheezy for my distribution and i386 for the architecture.  Please do change your mirror if you are not in the U.S. or know of a mirror close to you.
+```bash
+mkdir live_boot && cd live_boot
+```
+
+3. A couple of important steps before we chroot.
+```bash
+sudo mount -o bind /dev chroot/dev && sudo cp /etc/resolv.conf chroot/etc/resolv.conf
+```
+
+4. Chroot to our Debian environment.
+```bash
+sudo chroot chroot
+```
+
+5. **chroot**
+Set a few required variables and system settings in our Debian environment.
+```bash
+mount none -t proc /proc && 
+mount none -t sysfs /sys && 
+mount none -t devpts /dev/pts && 
+export HOME=/root && 
+export LC_ALL=C && 
+apt-get install dialog dbus --yes && 
+dbus-uuidgen > /var/lib/dbus/machine-id && 
+apt-get update
+```
+
+6. **chroot** Install the required packages, replace the kernel version if needed.
+```bash
+apt-get install --no-install-recommends --yes \
+linux-image-3.2.0-4-486 live-boot \
+net-tools wireless-tools wpagui tcpdump wget openssh-client \
+xserver-xorg-core xserver-xorg xinit xterm \
+pciutils usbutils gparted ntfsprogs hfsprogs rsync dosfstools syslinux partclone nano pv \
+chromium-browser libnss3-tools openbox
+```
+
+7. **chroot** NetworkManager can break your network configuration in the chroot environment. You can install it afterward, and CTRL-C during the installation
+```bash
+apt-get install network-manager
+```
+
+8. **chroot** Set the root password to **yunohost**
+```bash
+passwd root
+```
+
+9. **chroot** Install YunoHost
+```bash
+git clone https://github.com/YunoHost/install_script /tmp/yunohost_install
+cd /tmp/yunohost_install && ./autoinstall_yunohostv2
+```
+
+10. **chroot** Set parameters in order to launch everything right
+```bash
+echo "127.0.0.1 yunohost.org" >> /etc/hosts
+echo "chromium --user-data-dir=/root/.config/chromium --app=https://yunohost.org/yunohost/admin/" >> /etc/xdg/openbox/autostart
+certutil -d sql:$HOME/.pki/nssdb -A -t "C,," -n YunoHostCA  /etc/yunohost/certs/yunohost.org/ca.pem
+certutil -d sql:$HOME/.pki/nssdb -A -t "P,," -n YunoHostCrt /etc/yunohost/certs/yunohost.org/crt.pem
+```
+
+11. **chroot** Edit `/etc/inittab` to login automatically
+```bash
+nano /etc/inittab
+# Replace the following line
+1:2345:respawn:/sbin/getty 38400 tty1
+# by this one
+1:2345:respawn:/bin/login -f root tty1 </dev/tty1 >/dev/tty1 2>&1
+```
+
+12. **chroot** Clean up our Debian environment before leaving.
+```bash
+rm -f /var/lib/dbus/machine-id && 
+apt-get clean && 
+rm -rf /tmp/* && 
+rm /etc/resolv.conf && 
+umount -lf /proc && 
+umount -lf /sys && 
+umount -lf /dev/pts
+# Then exit
+exit
+```
+
+13. Unmount dev from the chroot 
+```bash
+sudo umount -lf chroot/dev
+```
+
+14. Make directories that will be copied to our bootable medium. 
+```bash
+mkdir -p image/{live,isolinux}
+```
+
+15. Compress the chroot environment into a Squash filesystem.
+```bash
+sudo mksquashfs chroot image/live/filesystem.squashfs -e boot
+```
+
+16. Prepare our USB/CD bootloader.
+```bash
+cp chroot/boot/vmlinuz-3.2.0-4-486 image/live/vmlinuz1 && 
+cp chroot/boot/initrd.img-3.2.0-4-486 image/live/initrd1
+```
+
+17. Create `image/isolinux/isolinux.cfg` menu for the bootloader.
+
+```bash
+UI menu.c32
+
+prompt 0
+menu title YunoHost Live
+
+timeout 300
+
+label YunoHost Live
+menu label ^YunoHost Live
+menu default
+kernel /live/vmlinuz1
+append initrd=/live/initrd1 boot=live
+```
+
+### Build the .iso
+
+Copy files necessary for the ISO to boot and then create the ISO
+
+```bash
+cp /usr/lib/syslinux/isolinux.bin image/isolinux/ && 
+cp /usr/lib/syslinux/menu.c32 image/isolinux/
+cd image && genisoimage -rational-rock -volid "YunoHost Live" -cache-inodes -joliet -full-iso9660-filenames -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -output ../yunohost-live.iso . && cd ..
+```
+
+Great success ! Now you can burn the .iso or use [Unetbootin](http://unetbootin.sourceforge.net/) to copy it on a USB key.
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