Using a Mac for prepping the SD-card for an ODROID-C1+
Posted by jpluimers on 2018/02/12
Some notes based on The woods and trees of OpenSuSE on single-board computers – image abbreviations – and getting it installed using OS X « The Wiert Corner – irregular stream of stuff.
I needed to get Ubuntu on an ODROID-C1+ (as it looks like nobody is maintaining a current OpenSuSE for it).
Installing the ODROID-C1+ image using OS X
Download image
Download either of these (note that “minimal” is different from “mate minimal”; see https://www.youtube.com/watch?v=jOYWx_YToh8) from de.eu.odroid.in/ubuntu_16.04lts:
- 1 gigabyte – de.eu.odroid.in/ubuntu_16.04lts/ubuntu-16.04-mate-odroid-c1-20160727.img.xz
- 175 megabyte – de.eu.odroid.in/ubuntu_16.04lts/ubuntu-16.04-minimal-odroid-c1-20160817.img.xz
Put image on SD card
I installed on a 8 gigabyte SD card that revealed itself as /dev/disk1 using this diskutil command (via osx – List all devices connected, lsblk for Mac OS X – Ask Different [WayBack])
diskutil list
So this wrote the image to SD card in a sudo su - prompt:
targetDevice="disk1"
unxz --keep ubuntu-16.04-minimal-odroid-c1-20160817.img.xz; \
diskutil umount "/dev/${targetDevice}s1"; \
dd bs=1m of="/dev/r${targetDevice}" if=ubuntu-16.04-minimal-odroid-c1-20160817.img; \
sync; \
diskutil list; \
diskutil eject "/dev/${targetDevice}"
Boot and first time steps on Odroid
Use the default user and password that [WayBack] ODROID Forum • View topic – Ubuntu Minimal User / Password mentions:
odroid login: root
Password: odroid
From there, create a new user and add it to the sudo group (I used visudo to check the correct group for sudoers) :
adduser jeroenp
addgroup jeroenp sudo
And then hook it up to the network and get the IP address:
ifconfig
Now you can ssh into the odroid with user jeroenp and the password assigned to it. You can also perform a sudo su - to get to root level.
ssh and configure a few things
First of all, install etckeeper as it’s a life saver:
apt-get install etckeeper
This will install some other packages, but that’s OK; it will end suggesting you to enter email address, name and perform an initial commit:
Initialized empty Git repository in /etc/.git/ *** Please tell me who you are. Run git config --global user.email "you@example.com" git config --global user.name "Your Name" to set your account's default identity. Omit --global to set the identity only in this repository. fatal: unable to auto-detect email address (got 'root@odroid.(none)') etckeeper commit failed; run it by hand
Do that:
cd /etc
git config --global user.email "example@example.org"
git config --global user.name "Example User"
git commit -m "initial commit"
Now perform these steps:
- Change the root password
- Disable etckeeper daily autocommits
- Change the hostname
- Update/Upgrade/Distribution-upgrade
- Fix the cursor in console mode
Change root password:
# sudo su -
# passwd
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
Disable etckeeper daily autocommits involves one line in /etc/etckeeper/etckeeper.conf:
-#AVOID_DAILY_AUTOCOMMITS=1
+AVOID_DAILY_AUTOCOMMITS=1
Change the hostname; assuming your new host name is newHostName.
- edit
/etc/hostsand replace the old hostname withnewHostName - Perform these commands:
hostnamectl set-hostname newHostName
exec bash
hostname -f
Both the command prompt and the hostname output should show newHostName.
Update/Upgrade:
apt-get update
apt-get upgrade
Fix the cursor in console mode:
Somehow the Odroid C1+ does not support a blinking hardware text cursor.
–jeroen
The Wiert Corner - irregular stream of stuff 
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