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Ubuntu_core_15.04-install docs-trainings

Package installation procedures on Ubuntu Core 15.04 and Gumstix Overo platform (armhf)

  • First of all, download Ubuntu core 15.04 and clone it on a memory card.
$ wget http://gumstix-snappy.s3.amazonaws.com/overo.img.xz
$ xz -d overo.img.xz
$ sudo dd if=overo.img of=/dev/sdX bs=4k status=progress
#(sdX is your memory card device)

(source: https://lists.ubuntu.com/archives/snappy-devel/2015-April/000525.html)

  • If links above is broken, download from:
https://mega.nz/#!bOwniSyY!ozUl1McXS53jhYXr-BEwtSkc4uYdCZth1BeOKsVOc10
  • Remove memory card from local computer and put on Gumstix.
  • Power on Gumstix and system will boot from memory card.

CAUTION

    • During boot, the screen stay empty (black). No beep and no image is shown on the screen. This time is about 1m30s.
    • Ubuntu core has no graphical interface, just command line.
    • USB keybord doesn't work if directly connected on USB port. You need to use a USB HUB for any USB device to work, as shown in the image below:

gumstix

gumstix

draft...

  • Log on Ubuntu with default credentials:
user: ubuntu
pass: ubuntu
  • Remount file system as RW, as follows:
$ sudo mount / -o remount,rw

CAUTION This Ubuntu image comes with a public key in the authorized_keys SSH file (called ash@gumstux). Remove it immediately, with the following commands:

rm /ubuntu/.ssh/authorized_keys
sudo rm /root/.ssh/authorized_keys
  • Change password:
$ passwd
NEW_PASSWORD
  • To supress the warning message: sudo: unable to resolve host overo, insert 127.0.0.1 overo into /etc/hosts file.
  • Get IP address:
$ ifconfig
  • On local machine, download this repository, convert to tar.bz2 and tranfer to Ubuntu core by scp:
#(on local machine)
wget https://github.com/dnatividade/Ubuntu_core_15.04-install/archive/master.zip

unzip master.zip && mv Ubuntu_core_15.04-install-master/ master && tar -cvjf master.tar.bz2 master/ && rm master/ -rf && rm master.zip

scp master.tar.bz2 ubuntu@IP_ADDRESS_UBUNTU:/home/ubuntu/
  • Log on Ubuntu with ssh and extract the .tar.bz2 file:
#(on local machine)
ssh ubuntu@@IP_ADDRESS_UBUNTU

$ tar -xvjf master.tar.bz2

With this repository on Ubuntu, install necessary packages. Each script installs the module corresponding to its name (and its dependencies). The install-ALL.sh module installs all modules from the repository.