Learn Ruixin micro rk3399pro record (10)

This is the first n Reinstall the system and development environment again , Zero everything
The reason for zeroing is , The lab teacher took me IP For another classmate , As a result, I haven't been connected to the Internet in the follow-up （20 One time in a row ）, Cause I suspect that there is something wrong with the network card first , Finally, I suspect that the system environment is too complex , So reinstall the system , Zero everything . Super gas ~

Add pc loading rk Some problems encountered in the environment ：

problem 1,python3.5 It's going to be out of date , Switch to python3.6, The installation uses the following statement

sudo apt-get install python3.6

Error indication ：
Can't locate python3.6 Installation package

terms of settlement ：

sudo add-apt-repository ppa:deadsnakes/ppa

etc. Show ok in the future

Input

sudo apt-get install python3.6

If it doesn't , You can enter a sentence before

sudo apt-get update

Then enter... On the command line python, You will find that the version is still displayed as 3.5

Use the following statement to check whether you can find python3.6 word

cd /usr/bin && ll

If you can , Then use

sudo rm python3
sudo ln -s python3.6 python3

Then install the system environment according to my previous blog , But notice python Version changed to 3.6 So the installation rknn The version should also be changed

This will be reported during installation wrong ：

XXXX fatal error: python.h There are no such files and directories 

terms of settlement ：

sudo pip3 install python3.6-dev

Update encountered python3.6 After the version , For before python3.5 The modules installed in the version can't be used
If appear ：

No module named ‘pip.internal’

The error of
Go directly to the wrong file , The... In the document

from pip._internal import main

Screen out

Replace with ：

from pip import main

Save to exit

Then the module before installation will encounter an error

command “python setup.py egg_info” failed with error code 1

terms of settlement ：

sudo python -m pip install --upgrade --force pip
sudo pip install setuptools==33.1.1

Install here rk Environment success , Spend a day reloading other environments tomorrow