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jupyter

时间:2022-09-29 23:23:43浏览次数:68  
标签:jupyter py notebook user File home

使用Jupyter可以在本地电脑直接新建和编辑linux服务器的代码,比如python和R,非常方便;

本机为:Win10

服务器:CentOS Linux release 7.3.1611

1.远程服务器安装Jupyter

本人之前安装Anaconda自带了jupyter notebook,因此可以直接使用。如果没有,可通过以下命令安装:

pip install jupyter notebook

2.服务器端Jupyter配置(重点)

(1)创建配置文件

默认情况下,配置文件 ~/.jupyter/jupyter_notebook_config.py 并不存在,需要自行创建。

运行以下命令创建:

jupyter notebook --generate-config

若root用户执行以上命令会提示

Running as root it not recommended. Use --allow-root to bypass.

只需加上 --allow-root 选项即可

执行成功后提示以下信息:

Writing default config to: /home/username/.jupyter/jupyter_notebook_config.py

(2)生成密码

服务器端命令行输入:

jupyter notebook password

此时会提示输入密码及确认密码,密码设置完成后提示将生成的密码写入/home/username/.jupyter/jupyter_notebook_config.json,注意username视用户而定,会直接出现在提示信息中。

$ Jupyter notebook password

Enter password: ****

Verify password: ****

[NotebookPasswordApp] Wrote hashed password to /home/username/.jupyter/jupyter_notebook_config.json

打开存储密码的json文件,可以看到:

"password": "sha1:8d076d7433e6:7f0ed1c8e081133cec66f78748b01d7e27bdfec3"

复制此密文

(3)修改配置文件

在/home/username/.jupyter/jupyter_notebook_config.py中找到以下行,修改为:

c.NotebookApp.ip='*' #允许访问的IP地址,设置为*代表允许任何客户端访问

c.NotebookApp.password = u'sha1:8d...刚才生成密码时复制的密文'

c.NotebookApp.open_browser = False

c.NotebookApp.port =8888 #可自行指定一个端口, 访问时使用该端口

c.NotebookApp.allow_remote_access = True

3.服务器端启动jupyter notebook

命令如下:

jupyter notebook

此时我遇到了两个问题

(1)root用户可直接启动,普通用户则报错:

[I 12:50:36.604 NotebookApp] 把notebook 服务cookie密码写入 /run/user/1000/jupyter/notebook_cookie_secret

[E 12:50:36.604 NotebookApp] Failed to write cookie secret to /run/user/1000/jupyter/notebook_cookie_secret: [Errno 13] Permission denied: '/run/user/1000/jupyter/notebook_cookie_secret'

[W 12:50:36.604 NotebookApp] 不能在 /run/user/1000/jupyter/notebook_cookie_secret 设置权限

Traceback (most recent call last):

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 528, in get

value = obj._trait_values[self.name]

KeyError: 'allow_remote_access'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 864, in _default_allow_remote

addr = ipaddress.ip_address(self.ip)

File "/home/user/anaconda3/lib/python3.6/ipaddress.py", line 54, in ip_address

address)

ValueError: '' does not appear to be an IPv4 or IPv6 address

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/user/anaconda3/bin/jupyter-notebook", line 11, in

sys.exit(main())

File "/home/user/anaconda3/lib/python3.6/site-packages/jupyter_core/application.py", line 266, in launch_instance

return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/config/application.py", line 657, in launch_instance

app.initialize(argv)

File "", line 2, in initialize

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/config/application.py", line 87, in catch_config_error

return method(app, *args, **kwargs)

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 1628, in initialize

self.init_webapp()

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 1378, in init_webapp

self.jinja_environment_options,

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 159, in __init__

default_url, settings_overrides, jinja_env_options)

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 252, in init_settings

allow_remote_access=jupyter_app.allow_remote_access,

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 556, in __get__

return self.get(obj, cls)

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 535, in get

value = self._validate(obj, dynamic_default())

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 867, in _default_allow_remote

for info in socket.getaddrinfo(self.ip, self.port, 0, socket.SOCK_STREAM):

File "/home/user/anaconda3/lib/python3.6/socket.py", line 745, in getaddrinfo

for res in _socket.getaddrinfo(host, port, family, type, proto, flags):

socket.gaierror: [Errno -2] Name or service not known

这是由于当前用户对notebook_cookie_secret无访问权限,解决办法为: 进入目录/run/user/1000/,将notebook_cookie_secret所在的目录设置所有者为当前用户。命令为:

chown -R username(当前用户名) ./jupyter

(2)报错KeyError: 'allow_remote_access'

Traceback (most recent call last):

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 528, in get

value = obj._trait_values[self.name]

KeyError: 'allow_remote_access'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 864, in _default_allow_remote

addr = ipaddress.ip_address(self.ip)

File "/home/user/anaconda3/lib/python3.6/ipaddress.py", line 54, in ip_address

address)

ValueError: '' does not appear to be an IPv4 or IPv6 address

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/user/anaconda3/bin/jupyter-notebook", line 11, in

sys.exit(main())

File "/home/user/anaconda3/lib/python3.6/site-packages/jupyter_core/application.py", line 266, in launch_instance

return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/config/application.py", line 657, in launch_instance

app.initialize(argv)

File "", line 2, in initialize

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/config/application.py", line 87, in catch_config_error

return method(app, *args, **kwargs)

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 1628, in initialize

self.init_webapp()

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 1378, in init_webapp

self.jinja_environment_options,

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 159, in __init__

default_url, settings_overrides, jinja_env_options)

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 252, in init_settings

allow_remote_access=jupyter_app.allow_remote_access,

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 556, in __get__

return self.get(obj, cls)

File "/home/user/anaconda3/lib/python3.6/site-packages/traitlets/traitlets.py", line 535, in get

value = self._validate(obj, dynamic_default())

File "/home/user/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 867, in _default_allow_remote

for info in socket.getaddrinfo(self.ip, self.port, 0, socket.SOCK_STREAM):

File "/home/user/anaconda3/lib/python3.6/socket.py", line 745, in getaddrinfo

for res in _socket.getaddrinfo(host, port, family, type, proto, flags):

socket.gaierror: [Errno -2] Name or service not known

这是由于在很多教程中没有设置c.NotebookApp.allow_remote_access = True所致,设置好这项便解决了问题。

4.远程访问

此时应该可以直接从本地浏览器直接访问http://address_of_remote(服务器ip地址):8888就可以看到jupyter的登陆界面。

第一次登陆要求输入账号和密码,账号为服务器端用户名,密码即为刚刚第二步中设置的密码,即可看到目录列表。

5.ssh通道

若第四步输入网址无法进入,提示可能是防火墙问题,此时可以通过ssh访问远程服务器, 在windows下通过xshell等工具访问远程服务器,可在会话中设置,选择属性-ssh-隧道,点击添加

侦听端口填写8000(端口号与设置的有关),目标端口默认是8888

设置完成后,再在服务器输入jupyter notebook,在windows本地输入localhost:8000就可以访问远程服务器上的jupyter了

将Jupyter代码转成py脚本

jupyter nbconvert --to script 你的脚本名.ipynb

6.安装R内核

要使用R需要先安装R内核

简单的方法:通过Anaconda安装R内核

conda install -c r r-essentials

稍微麻烦的方法:手动安装R内核如果你不是用Anaconda,过程会有点复杂,首先,你需要从CRAN安装R。

之后,启动R控制台,运行下面的语句:

install.packages(c('repr', 'IRdisplay', 'crayon', 'pbdZMQ', 'devtools'))

devtools::install_github('IRkernel/IRkernel')

IRkernel::installspec() # to register the kernel in the current R installation

标签:jupyter,py,notebook,user,File,home
From: https://www.cnblogs.com/duzetao/p/16743472.html

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