安装tensorflow linux下

1.尝试使用conda install tensorflow==2.0.0
报错：
Solving environment: failed
CondaValueError: Malformed version string ‘~’: invalid character(s).
解决办法：conda config --remove-key channels
2.再次运行 conda install tensorflow==2.0.0
报错：CondaHTTPError: HTTP 404 NOT FOUND for url http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/noarch/google-auth-2.6.0-pyhd3eb1b0_0.tar.bz2
Elapsed: 00:00.330852
解决办法：
运行 vim ~/.condarc后，把下面的内容粘贴进去，之前的内容删去

offline: false
show_channel_urls: true
ssl_verify: false
channels:
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/
default_channels:
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r
  - http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2
custom_channels:
  conda-forge: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  msys2: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  bioconda: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  menpo: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  pytorch: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  pytorch-lts: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  simpleitk: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

3.再次运行 conda install tensorflow==2.0.0
还报错：Solving environment: failed
PackagesNotFoundError: The following packages are not available from current channels:
tensorflow==2.0.0
解决办法：用pip安装吧
pip install --upgrade --ignore-installed tensorflow
成功