Using pip behind a proxy with CNTLM

Question

I am trying to use pip behind a proxy at work   One of the answers from this post suggested using CNTLM  I installed and configured it per this other post  but running cntlm exe -c cntlm ini -I -M http   google com gave the error Connection to proxy failed  bailing out   I also tried pip install -   proxy user pass localhost 3128  the default CNTLM port  but that raised Cannot fetch index base URL http   pypi python org simple   Clearly something s up with the proxy   Does anyone know how to check more definitively whether CNTLM is set up right  or if there s another way around this altogether  I know you can also set the http proxy environment variable as described here but I m not sure what credentials to put in  The ones from cntlm ini

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In Windows 7   pip install --proxy DOMAIN user password proxyaddress port package   i e    pip install --proxy BR neo p4ssw0rd myproxyrocks com br 8080 virtualenv

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Open the Windows command prompt   Set proxy environment variables   set http proxy http   user password proxy ip port set https proxy https   user password proxy ip port   Install Python packages using proxy in the same Windows command prompt   pip install --proxy  user password proxy ip port  package name

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I am also no expert in this but I made it work by setting the all proxy variable in the    bashrc file  To open    bashrc file and edit it from a terminal run following commands   gedit    bashrc  amp    Add following at the end of file   export all proxy  http   x y z w port    Then either open a new terminal or run following in the same terminal   source    bashrc   Just setting http proxy and https proxy variables aren t enough for simple usage pip install somepackage  Though somehow sudo -E pip install somepackage works  but this have given me some problem in case I am using a local installation of Anaconda in my users  folder   P S  - I am using Ubuntu 16 04

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This is what works for me    pip --proxy proxy url port command package

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It was not working for me  I had to use https at work   pip install --proxy https   user mydomain port somepackage   In order to update  add -U

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Phone as mobile hotspot USB tethering  If I have much trouble finding a way through the corporate proxy  I connect to the web through my phone  wireless hotspot if I have wifi  USB tether if not  and do a quick pip install    Might not work for all setups  but should get most people by in a pinch

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For PIP Installation    ex PORT   9090 ex PROXY SERVER   stackoverflow USERNAME your user id PASSWORD  your password         sudo pip2 install PACKAGENAME --proxy https   USERNAME PASSWORD PROXY SERVER PORT     for Python2 7        sudo pip3 install PACKAGENAME --proxy https   USERNAME PASSWORD PROXY SERVER PORT      for Python3 5  Example   sudo pip2 install pandas --proxy https   USERNAME PASSWORD PROXY SERVER PORT     For apt-get Installation   sudo http proxy http   USERNAME PASSWORD PROXY SERVER PORT  apt-get install PACKAGENAME   Example   sudo http proxy http   USERNAME YOURPASSWORD PROXY SERVER PORT  apt-get install tensorrt  sudo http proxy http   USERNAME YOURPASSWORD PROXY SERVER PORT  apt-get update

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How about just doing it locally  Most likely you are able to download from https source through your browser   Download your module file  mysql-connector-python-2 0 3 zip  gz    etc    Extract it and go the extracted dir where setup py is located     and call   C  mysql-connector-python-2 0 3 gt python exe setup py install

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for windows go to C  ProgramData pip pip ini  and set   global   proxy   http   YouKnowTheRest  with your proxy details  This permanently configures the proxy for pip

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Under our security policy I may not use https with pypi  SSL-inspection rewrites certificates  it breaks the built-in security of pip for www python org  The man in the middle is the network-admin   So I need to use plain http  To do so I need to override the system proxy as well as the default pypi   bin pip install --proxy squidproxy 3128 -i http   www python org pypi --upgrade  SQLAlchemy gt  0 7 10

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I had the same issue   behind a corporate proxy with auth at work  I couldn t have pip work  as well as Sublime Text 2  well  it worked with custom setup of my proxy settings   For pip  and I ll try that on git   I solved it installing cntlm proxy  It was very simple to configure     Edit cntlm ini Edit  Username    Domain    Password  fields Add a  Proxy  line  with your proxy settings   server port Make sure the line  NoProxy  integrates  localhost   like that by default  Note the default port   3128 Save and that s it    To test that works  just launch a new command line tool  and try    pip install django --proxy localhost 3128   That worked for me  Hope this will help you

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At CentOS  actually I think all linux distros are similar  run  env grep http proxy   and  env grep https proxy   check what is the output of those commands  they should contain your proxy addresses    If the outputs are empty or have incorrect values  modify them  for ex   export http proxy http   10 1 1 1 8080 export https proxy http   10 1 1 1 8080   Now try to fetch and install some packages by using pip   pip --proxy http   10 1 1 1 8080 install robotframework   and actually I have never met the case when it didn t work  For some systems you need to be a root  sudo is not enough

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You can continue to use pip over HTTPS by adding your corporation s root certificate to the cacert pem file in your site-packages pip folder  Then configure pip to use your proxy by adding the following lines to   pip pip conf  or   pip pip ini if you re on Windows     global  proxy    user passwd  proxy server port   That s it  No need to use third party packages or give up HTTPS  of course  your network admin can still see what you re doing

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I solved the problem with PIP in Windows using  Fiddler   https   www telerik com download fiddler   After downloading and installing  do the following    Rules     click  Automatically Authenticate   Example  pip install virtualenv -proxy 127 0 0 1 8888  Just open your prompt and use   https   github com pypa pip issues 1182 Search for  voltagex   commented on 22 May 2015

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if you want to upgrade pip by proxy  can use  for example in Windows    python -m pip --proxy http   proxy user proxy password proxy hostname proxy port insta ll --upgrade pip

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If you are connecting to the internet behind a proxy  there might be problem in running the some commands   Set the environment variables for proxy configuration in the command prompt as follows   set http proxy http   username password proxyserver proxyport set https proxy https   username password proxyserver proxyport

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Set up invironment variable in Advanced System Settings  In Command prompt it should behave like this       C  Windows system32 echo  http proxy       http   username passowrd proxy port      C  Windows system32 echo  https proxy       http   username password proxy port   Later   Simply  pip install whatEver should work

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To setup CNTLM for windows  follow this article  For Ubuntu  read my blog post    Edit   Basically  to use CNTLM in any platform  you need to setup your username and hashed password  before using http   127 0 0 1 3128 as a proxy to your parent proxy    Edit the config and add important information like domain  username  password and parent proxy   Generate hashed password   Windows cntlm    c cntlm ini    H  Ubuntu Linux cntlm -v -H -c  etc cntlm conf Remove plain text password from the config and replace them with the generated passwords    To check if working   Windows cntlm    M http   www google com  Ubuntu Linux sudo cntlm -M http   www google com   For more detailed instructions  see links above   Update    Just for completeness sake  I was able to configure and use CNTLM in Windows recently  I encountered a problem during the syncing process of Kindle for PC because of our proxy and installing and configuring CNTLM for Windows fixed that issue for me  Refer to my article for more details

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pip --proxy http   proxy-host proxy-port install packagename   This is what worked for me on

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Warning  there is something very bad with the  pip search  command  The search command do not use the proxy setting regardless of the way it s being passed   I was trying to figure out the problem only trying the  search  command  and found this post with detailed explanation about that bug  https   github com pypa pip issues 1104   I can confirm the bug remains with pip 1 5 6 on Debian 8 with python 2 7 9  The  pip install  command works like a charm

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A simpler approach might be    Create a folder named  pip  in your  HOME directory  Create a file named  pip ini   Windows  or  pip conf   Linux  in the directory created in step 1 Copy  amp  paste the following lines under the pip ini pip conf    global  trusted-host   pypi python org                pypi org                files pythonhosted org

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I got the error   chris green    sudo http proxy http   localhost 3128 pip install django  1 8 8  Downloading unpacking django  1 8 8   Cannot fetch index base URL http   pypi python org simple    Could not find any downloads that satisfy the requirement django  1 8 8 No distributions at all found for django  1 8 8 Storing complete log in  home chris  pip pip log    The proxy server s port is ssh port forwarded to localhost 3128    I had to set both http and https proxies to make it work   chris green    sudo http proxy http   localhost 3128 https proxy http   localhost 3128 pip install django  1 8 8 Downloading unpacking django  1 8 8   Downloading Django-1 8 8 tar gz  7 3Mb   7 3Mb downloaded   Running setup py egg info for package django      warning  no previously-included files matching    pycache    found under directory         warning  no previously-included files matching    py co   found under directory     Installing collected packages  django   Running setup py install for django      warning  no previously-included files matching    pycache    found under directory         warning  no previously-included files matching    py co   found under directory         changing mode of build scripts-2 7 django-admin py from 644 to 755     changing mode of  usr local bin django-admin py to 755     Installing django-admin script to  usr local bin Successfully installed django Cleaning up      as http   pypi python org simple  redirects to https   pypi python org simple but pip s error does not tell you

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Using pip behind a work proxy with authentification  note that quotation is required for some OSes when specifing the proxy url with user and password   pip install  lt module gt  --proxy  http    lt proxy user gt   lt proxy password gt   lt proxy ip gt   lt proxy port gt     Documentation  https   pip pypa io en stable user guide  using-a-proxy-server  Example    pip3 install -r requirements txt --proxy  http   user password 192 168 0 1 1234    Example    pip install flask --proxy  http   user password 192 168 0 1 1234    Proxy can also be configured manually in pip ini  Example    global  proxy   http   user password 192 168 0 1 1234    Documentation  https   pip pypa io en stable user guide  config-file

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This worked for me  on Windows via CMD    pip install --proxy proxyserver port requests

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With Ubuntu I could not get the proxy option to work as advertised     so following command did not work   sudo pip --proxy http   web-proxy mydomain com install somepackage   But exporting the https proxy environment variable  note its https proxy not http proxy  did the trick   export https proxy http   web-proxy mydomain com   then  sudo -E pip install somepackage

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In Ubuntu 14 04 LTS     sudo pip --proxy http   PROXYDOM PROXYPORT install package   Cheers

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Set the following environment variable  export PIP PROXY http   web-proxy mydomain com

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for windows  set your proxy in command prompt as  set HTTP PROXY domain username password myproxy myproxyport  example  set http proxy IND namit kewat xl123456 192 168 180 150 8880

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If you are using Linux  as root   env https proxy http    web proxy ip  web proxy port pip install something   When you use env it exports the variable https proxy for the current execution of the command pip install    web proxy ip is the hostname or IP of your Proxy  web proxy port is the Port

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Under Windows dont forget to set  SET HTTPS PROXY  lt proxyHost gt   lt proxyPort gt    what I needed to set for  pip install pep8

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I could achieve this by running   pip install --proxy http   user pass your proxy com 3128 package  version   I m using Python 3 7 3 inside a corporative proxy

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For windows users  if you want to install Flask-MongoAlchemy then use the following code  pip install Flask-MongoAlchemy --proxy  http   example com port

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