https://blog.csdn.net/u014775723/article/details/85213793
failed to fetch ppa:https://blog.csdn.net/qq_26093511/article/details/78754574
https://blog.csdn.net/u014775723/article/details/85224447
Python build finished successfully! The necessary bits to build these optional modules were not found: _bz2 _ssl _uuid readline To find the necessary bits, look in setup.py in detect_modules() for the module's name. The following modules found by detect_modules() in setup.py, have been built by the Makefile instead, as configured by the Setup files: _abc atexit pwd time Could not build the ssl module! Python requires an OpenSSL 1.0.2 or 1.1 compatible libssl with X509_VERIFY_PARAM_set1_host(). LibreSSL 2.6.4 and earlier do not provide the necessary APIs, https://github.com/libressl-portable/portable/issues/381 running build_scripts copying and adjusting /home/afda/Python-3.7.1/Tools/scripts/pydoc3 -> build/scripts-3.7 copying and adjusting /home/afda/Python-3.7.1/Tools/scripts/idle3 -> build/scripts-3.7 copying and adjusting /home/afda/Python-3.7.1/Tools/scripts/2to3 -> build/scripts-3.7 copying and adjusting /home/afda/Python-3.7.1/Tools/scripts/pyvenv -> build/scripts-3.7 changing mode of build/scripts-3.7/pydoc3 from 664 to 775 changing mode of build/scripts-3.7/idle3 from 664 to 775 changing mode of build/scripts-3.7/2to3 from 664 to 775 changing mode of build/scripts-3.7/pyvenv from 664 to 775 renaming build/scripts-3.7/pydoc3 to build/scripts-3.7/pydoc3.7 renaming build/scripts-3.7/idle3 to build/scripts-3.7/idle3.7 renaming build/scripts-3.7/2to3 to build/scripts-3.7/2to3-3.7 renaming build/scripts-3.7/pyvenv to build/scripts-3.7/pyvenv-3.7 gcc -pthread -Xlinker -export-dynamic -o Programs/_testembed Programs/_testembed.o libpython3.7m.a -lpthread -ldl -lutil -lm sed -e "s,@EXENAME@,/usr/local/bin/python3.7m," < ./Misc/python-config.in >python-config.py LC_ALL=C sed -e 's,$(([A-Za-z0-9_]*)),${1},g' < Misc/python-config.sh >python-config
Python3 ssl模块不可用的问题:https://www.cnblogs.com/minglee/p/9232673.html
https://www.cnblogs.com/mlgjb/p/7976561.html
Requirement already satisfied: numpy in ./.local/lib/python3.6/site-packages (1.16.0):https://blog.csdn.net/qq_33547191/article/details/86552214
numpy-python3.7:https://blog.csdn.net/qq_41670196/article/details/79374385
pip-python3.7:https://blog.csdn.net/weixin_43079274/article/details/94347388
https://www.jianshu.com/p/27bf1afbbebc
ubuntu的Python3.7缺少ssl：https://blog.csdn.net/CSDN_fzs/article/details/103220535
https://blog.csdn.net/love_cjiajia/article/details/82254371
https://blog.csdn.net/weixin_30750335/article/details/95277610
https://blog.51cto.com/13544424/2149473?cid=722522
安裝失敗提示：error:no such directory or file。permission denied。原因：安裝需要獲得sudo權限。
The directory '/home/afda/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
windows环境pip安装时一直报错Could not fetch URL https://pypi.org/simple/xrld/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url:https://www.cnblogs.com/jiyanjiao-702521/p/9960071.html
python3.7 -m pip install numpy -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com:https://blog.csdn.net/yanwenyuan0304/article/details/86072970
python3.7 -m pip install torch torchvision -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com:https://blog.csdn.net/suswulongyuan/article/details/90547443 測試torch支持不支持gpu
pycharm:https://blog.csdn.net/qq_15192373/article/details/81091278
python3.6 -m pip install --upgrade six
sudo python3.6 -m pip install tensorflow_gpu-1.12.0-cp36-cp36m-manylinux1_x86_64.whl -ignore-installed six -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
sudo python3.7 -m pip install tensorboard -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com : https://blog.csdn.net/u010469993/article/details/80950510
指定gpu:https://blog.csdn.net/kongkongqixi/article/details/100521590 AssertionError: CUDA unavailable, invalid device gpu requested
Pytorch 使用不同版本的 cuda:https://www.cnblogs.com/yhjoker/p/10972795.html torch.cuda.is_available()
cuda10.1:https://blog.csdn.net/BigData_Mining/article/details/99670642
print(torch.version.cuda)
torch.__version__
torch.cuda.device_count()
torch.cuda.get_device_name(0) https://blog.csdn.net/nima1994/article/details/83001910?utm_source=blogxgwz9
如何检查pytorch是否正在使用GPU？:https://blog.csdn.net/qq_35435964/article/details/100928501
python3中pip3安装出错,找不到SSL的解决方式:https://www.jb51.net/article/176223.htm
在終端，輸入python和python3，可以看到python3.7.1，
不如直接用Anaconda ，或者是conda