Extra - HowTo Linux notes
Notes and tips
This page is a seried of helpful notes that have been gathered as a result of HoverGames and other feedback from users with NavQPlus.
HowTo: Remove unattended upgrades
<TODO> Add a simple explanation on why to remove unattended upgrades
apt remove unattended-upgrades
HowTo: Install nano
GNU nano is an easy to use command line text editor for Unix and Linux operating systems. It includes all the basic functionality you’d expect from a regular text editor, like syntax highlighting, multiple buffers, search and replace with regular expression support, spellchecking, UTF-8 encoding, and more.
Note: There are other text editors that can be used, Nano is a popular one. Some of the HowTo below will use Nano as the editor.
To install:
sudo apt install nano
HowTo: Edit hostname
Run the following command to change your hostname. Assuming you want to use the hostname "compcom42".
sudo nano /etc/hostname compcom42
Change the hostname in hosts file
(TODO - Clarify all the text below this point)
sudo nano /etc/hosts
…
127.0.1.1 compcom42
Add the additional entries
192.168.42.11 compcom<id>
192.168.42.5 navq<id>-d2x
192.168.42.2 t1eth8
192.168.42.6 d2xmodem
192.168.42.21 radar1
192.168.42.22 radar2
192.168.42.23 radar3
HowTo: Set static ip configuration
Network manager is used for network config. See steps below
Determine the interface to be used
nmcli con show
Set static ip
Wired connection 2 = 1000base-TX / eth1 Wired connection 1 = 100base-T1 / eth0
nmcli con mod "Wired connection 2"
ipv4.addresses "192.168.42.11/24"
ipv4.gateway "IP_GATEWAY" (needs to be blank on static ip)
ipv4.dns "1.1.1.1,8.8.8.8"
ipv4.method "manual"
HowTo: Install ROS
ROS is already installed on the pre-built Ubuntu 20.04 with ROS2 Galactic image
See ROS2 installation script docs
HowTo: Install VPN
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