Ubuntu 14.04 Server Note for Firefly-RK3288

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Network

Network Manager is preferred in managing the ethernet and WiFi.

Ethernet

Disconnect ethernet (No more auto connect after reboot):

   nmcli dev disconnect iface eth0

Turn on ethernet:

   nmcli con up id "Auto Ethernet"

Turn down ethernet:

   nmcli con down id "Auto Ethernet"

Static IP

The ethernet connection file is

   "/etc/NetworkManager/system-connections/Auto Ethernet"

with content:

   [connection]
   id=Auto Ethernet
   uuid=15106db5-a359-441c-8529-6b30c8ab82a9
   type=802-3-ethernet
   
   [ipv6]
   method=auto
   
   [ipv4]
   method=auto

By default, it use DHCP to set IP address.

To specify static IP address, you can change the "ipv4" section to:

   [ipv4]
   method=manual
   address1=192.168.1.100/24,192.168.1.1
   dns=8.8.8.8;8.8.4.4;

The address1 line has the following format:

   address1=<IP>/<prefix>,<route>

WiFi

List available WiFi access points:

   nmcli dev wifi

Create a new connection named “My cafe" and then connects it to SSID "Cafe Hotspot 1" using password "caffeine":

   nmcli dev wifi connect "Cafe Hotspot 1" password "caffeine" name "My cafe"

List available connections:

   nmcli con list

Turn down connection named "My cafe":

   nmcli con down id "My cafe"

Turn on connection named "My cafe":

   nmcli con up id "My cafe"

Show wifi on/off status:

   nmcli nm wifi

Switch wifi on:

   nmcli nm wifi on

Switch wifi off:

   nmcli nm wifi off

Installing Server Packages

Server packages are classified as tasks.

List Tasks

You can find a list of tasks with command:

   firefly@firefly:~$ tasksel --list-tasks 
   u server    Basic Ubuntu server
   i openssh-server    OpenSSH server
   u dns-server    DNS server
   i lamp-server   LAMP server
   u mail-server   Mail server
   u postgresql-server PostgreSQL database
   u print-server  Print server
   u samba-server  Samba file server
   u tomcat-server Tomcat Java server
   u cloud-image   Ubuntu Cloud Image (instance)
   u virt-host Virtual Machine host
   u ubuntu-desktop    Ubuntu desktop
   u ubuntu-usb    Ubuntu desktop USB
   u edubuntu-dvd-live Edubuntu live DVD
   u kubuntu-dvd-live  Kubuntu live DVD
   u lubuntu-live  Lubuntu live CD
   u ubuntu-gnome-live Ubuntu GNOME live CD
   u ubuntustudio-dvd-live Ubuntu Studio live DVD
   u ubuntu-live   Ubuntu live CD
   u ubuntu-usb-live   Ubuntu live USB
   u xubuntu-live  Xubuntu live CD
   u manual    Manual package selection

The prefix char indicates the status with 'i' for installed and 'u' for not installed.

Show Packages to Be Installed

If you want to know what packages will be intalled by the "lamp-server" task (Linux/Apache/MySQL/PHP server), run:

   firefly@firefly:~$ tasksel --task-packages lamp-server
   apache2-mpm-prefork
   mysql-common
   php5-json
   mysql-client-5.5
   libaprutil1-dbd-sqlite3
   php5-mysql
   mysql-server
   ssl-cert
   libaprutil1
   libapr1
   libhtml-template-perl
   libdbi-perl
   apache2-bin
   php5-common
   apache2
   php5-cli
   libdbd-mysql-perl
   mysql-server-5.5
   libterm-readkey-perl
   libaprutil1-ldap
   mysql-server-core-5.5
   libmysqlclient18
   libapache2-mod-php5
   libwrap0
   apache2-data
   tcpd
   php5-readline
   mysql-client-core-5.5
   libaio1

Install Server Task

For example, intall "lamp-server":

   firefly@firefly:~$ sudo tasksel install lamp-server

A text dialog will pop up with progress. Note that you cannot use "Ctrl-C" to stop it. You have to kill it within another console or terminal.

Password

System

user: root

pass: firefly


user: firefly

pass: firefly

MySQL

user: root

pass: firefly

Test

Check apache web server:

http://<YourBoardIP>/index.html

Check if php works:

http://<YourBoardIP>/index.php