python - 安装tensorflow的正确命令

Question

尝试在 Anaconda 上安装 Tensorflow 时，我尝试了两种类型的命令。 conda install tensorflow-gpu 工作正常。但是，当尝试 conda install -c anaconda tensorflow-gpu 时，如图所示 here .它给出以下错误消息。

Fetching package metadata ...
CondaHTTPError: HTTP None None for url <https://conda.anaconda.org/anaconda/linux-64/repodata.json>
Elapsed: None

An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
ConnectionError(MaxRetryError("HTTPSConnectionPool(host='conda.anaconda.org', port=443): Max retries exceeded with url: /anaconda/linux-64/repodata.json (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x2b8e3f4ec110>: Failed to establish a new connection: [Errno -2] Name or service not known',))",),)

可能是什么原因？

Answer 1

有两种类型的 tensorflow :

1. 仅支持 CPU 的 TensorFlow
2. 支持 GPU 的 TensorFlow

您必须选择安装 TensorFlow 的机制。支持的选项如下:

1. virtualenv

2. using pip

3. Docker

4. Anaconda

我用pip给出步骤

要安装，在终端中运行以下命令

sudo apt-get install python-pip python-dev   # for Python 2.7
sudo apt-get install python3-pip python3-dev # for Python 3.n

pip install tensorflow     # Python 2.7; for CPU support
pip3 install tensorflow    # Python 3.n; for CPU support
pip install tensorflow-gpu # Python 2.7;  for GPU support
pip3 install tensorflow-gpu # Python 3.n; for GPU support 

要卸载，请在终端中运行以下命令:

sudo pip uninstall tensorflow  # for Python 2.7
sudo pip3 uninstall tensorflow # for Python 3.n