Download image
https://ubuntu.com/download/desktop
Installation image
It can be installed virtual machine or dual system
Replacement source
Software update
Install chrome
https://www.google.cn/intl/zh-CN/chrome/
USTC use of mirrors here, the official mirror is very slow. rosdep initialization fails another network or over time and try again. Ros install a software update before all the contents to be checked.
sudo sh -c '. /etc/lsb-release && echo "deb http://mirrors.ustc.edu.cn/ros/ubuntu/ `lsb_release -cs` main" > /etc/apt/sources.list.d/ros-latest.list'
sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
sudo apt update
sudo apt install ros-melodic-desktop-full
sudo rosdep init
rosdep update
echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
source ~/.bashrc
sudo apt install python-rosinstall python-rosinstall-generator python-wstool build-essential