anaconda使用记录
文章目录
- 配置jupyter的工作路径
创建一个新的环境:
conda create -n CCF python=3.6
查看conda的源:conda config --show-source
查看有哪些环境:conda env list
激活某个环境:conda activate CCF
删除某个环境:conda remove -n CCF --all
更新conda 到最新的版本:conda update conda
查找某个包:conda search pytorch
安装某个包:conda install pytorch
``
(base) jemy@jemy-T50Ti:~$ conda env list
# conda environments:
#
base * /home/jemy/anaconda3
CCF /home/jemy/anaconda3/envs/CCF
pytorch /home/jemy/anaconda3/envs/pytorch(base) jemy@jemy-T50Ti:~$ activate CCF
(base) jemy@jemy-T50Ti:~$ conda activate CCF
(CCF) jemy@jemy-T50Ti:~$ clear
(CCF) jemy@jemy-T50Ti:~$ conda env list
# conda environments:
#
base /home/jemy/anaconda3
CCF * /home/jemy/anaconda3/envs/CCF
pytorch /home/jemy/anaconda3/envs/pytorch(CCF) jemy@jemy-T50Ti:~$
查看当前环境包的安装情况:
(CCF) jemy@jemy-T50Ti:~$ conda list
# packages in environment at /home/jemy/anaconda3/envs/CCF:
#
# Name Version Build Channel
_libgcc_mutex 0.1 main defaults
ca-certificates 2019.8.28 0 defaults
certifi 2019.9.11 py36_0 defaults
libedit 3.1.20181209 hc058e9b_0 defaults
libffi 3.2.1 hd88cf55_4 defaults
libgcc-ng 9.1.0 hdf63c60_0 defaults
libstdcxx-ng 9.1.0 hdf63c60_0 defaults
ncurses 6.1 he6710b0_1 defaults
openssl 1.1.1d h7b6447c_1 defaults
pip 19.2.3 py36_0 defaults
python 3.6.9 h265db76_0 defaults
readline 7.0 h7b6447c_5 defaults
setuptools 41.2.0 py36_0 defaults
sqlite 3.29.0 h7b6447c_0 defaults
tk 8.6.8 hbc83047_0 defaults
wheel 0.33.6 py36_0 defaults
xz 5.2.4 h14c3975_4 defaults
zlib 1.2.11 h7b6447c_3 defaults
(CCF) jemy@jemy-T50Ti:~$
pip安装的时候指定源:
(CCF) jemy@jemy-T50Ti:/usr/local/CHINESE-OCR$ pip install numpy -i https://pypi.mirrors.ustc.edu.cn/simple/
Looking in indexes: https://pypi.mirrors.ustc.edu.cn/simple/
Collecting numpyDownloading https://mirrors.tuna.tsinghua.edu.cn/pypi/web/packages/e5/e6/c3fdc53aed9fa19d6ff3abf97dfad768ae3afce1b7431f7500000816bda5/numpy-1.17.2-cp36-cp36m-manylinux1_x86_64.whl (20.4MB)|████████████████████████████████| 20.4MB 6.3MB/s
Installing collected packages: numpy
Successfully installed numpy-1.17.2
(CCF) jemy@jemy-T50Ti:/usr/local/CHINESE-OCR$
关闭某个环境:``
报错:
Collecting package metadata (repodata.json): failedCondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://mirrors.ustc.edu.cn/anaconda/cloud/menpo/linux-64/repodata.json>
Elapsed: -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='mirrors.ustc.edu.cn', port=443): Max retries exceeded with url: /anaconda/cloud/menpo/linux-64/repodata.json (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 101] Network is unreachable'))" ))
配置jupyter的工作路径
jupyter notebook --generate-config,该操作会生成jupyter的配置文件,并显示文件路径。如果没有直接生成,如果有就会询问是否覆盖。- 打开上述命令显示的路径的文件,定位到
c.NotebookApp.notebook_dir字段。该配置是注释状态(即不起作用),且配置的值为空,如下图所示。

- 取消注释,并将配置的值设为你要指定的工作路径,如下所示。

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