ubuntu16.04 install ros
add tsinghua source
add 20-defaults file by hand
rosdep udpate more than 20 times
/etc/hosts add 151.101.108.133 raw.githubusercontent.com
add tsinghua source
add 20-defaults file by hand
rosdep udpate more than 20 times
/etc/hosts add 151.101.108.133 raw.githubusercontent.com