ubuntu安裝python3.5+pycharm+anaconda+keras(theano+tensorflow)(非GPU)
一,切換python版本為3.5
裝好ubuntu,python版本是2.7的
我自己安裝並更改開啟為python3.5
sudo apt-get install python3.5
設定優先順序和預設環境:
sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 150
切換版本:
update-alternatives --config python
可看見python已經為3.5了。
二,安裝pycharm:
下載了這個,然後解壓
啟動pycharm,
下面啟用:
新增下面一行到hosts檔案,目的是遮蔽掉Pycharm對啟用碼的驗證
0.0.0.0 account.jetbrains.com
開啟PyCharm,選擇Activate code(用啟用碼啟用)
複製下載啟用碼,填入啟用碼框。
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三,安裝anaconda
下載python3.5對應的版本
然後:
~$ cd 下載
~/下載$ bash Anaconda2-4.2.0-Linux-x86_64.sh
這裡需要一直按Enter,直到出現需要輸入yes or no 。輸入yes後,會顯示Anaconda將要安裝到哪個目錄下,可以自行修改,這裡我選擇預設的路徑,直接回車。最後會提示新增環境變數,輸入yes後,安裝完成。
四,安裝Theano(keras的一個後端)
安裝完Anaconda後,我們就可以使用conda這個命令了。(之前有遇到過安裝完成Anaconda後,不能使用conda的問題,這個時候需要重新啟動你的終端,問題就解決了)
在終端輸入‘conda list’來檢視安裝好的
將需要的依賴包列出來,進入anaconda3/bin 這個目錄下,使用‘sudo apt-get install xxx’命令來安裝,如下所示。
python-numpy
然後安裝theano
conda install theano
安裝完成後,我們可以進入Python,測試一下是否安裝成功。
可以看到theano確實安裝成功了。這個測試要跑好久,著急的可以直接ctrl+c 跳出
四,安裝Tensorflow(keras的另一個後端)
pip install tensorflow
測試tensorflow安裝成功
五:安裝keras
接下來終於可以安裝keras了,直接從github上將原始碼克隆下來,這樣可以安裝最新版的keras。我將keras克隆到Anaconda安裝目錄的同級目錄下。
git clone https://github.com/fchollet/keras.git
進入keras目錄,執行命令:
~$ cd keras
~/keras$python setup.py install
keras框架基本搭建完成,可以看到keras預設後端確實是tensorflow,如果不裝的話會報錯。
下面演示切換keras後端
~$ cd .keras
~/.keras$ vim keras.json
pycharm中更改直譯器路徑。
ok,,結束。
安裝opencv
pip install opencv-contrib-python