Friday, October 31, 2014

Use apt-get through http proxy

This issue happened when one day, my lovely company decided that they want to implement a proxy server, and without me realizing, not just browser will be affected, apt-get also will be affected.

How do you know that you apt-get command encounter proxy issue, when ypu received "401 authenticationrequired" error after running your apt-get command, like below:

$ sudo apt-get update
W: Failed to fetch  401  authenticationrequired

How to encounter this?

Method 1 (if you have GUI)

  1. Simply open your browser, and the proxy will ask for authentication
  2. Fill up your authentication.
  3. Rerun your apt-get command

Method 2 (if you have GUI)
  1. Go to System -> preferences -> Network Proxy
  2. Under Proxy Configuration, put in you proxy details
  3. Rerun apt-get

Method 3 (without GUI) - temporary proxy session
  1. export the http_proxy environment variable using this command:
    $ sudo export http_proxy='http://myusername:mypassword@myproxyaddress:myproxyport'
  2. Rerun apt-get

Method 4 (without GUI) - temporary proxy session

  1. run the apt-get command with proxy in one line:
    $ sudo bash -c 'http_proxy="http://myusername:mypassword@myproxyaddress:myproxyport/" apt-get update'

Method 5 (without GUI) - permanent proxy setting on .bashrc
  1. Put the settings into .bashrc:
    $ echo "http_proxy='http://myusername:mypassword@myproxyaddress:myproxyport'" >> .bashrc
  2. Activate the change:
    $ source .bashrc
  3. Rerun apt-get

Method 6 (without GUI) - permanent settings on apt.conf ~ need sudo
  1. Append your proxy settings to /etc/apt/apt.conf (choose your proxy, either http, https, ftp, or socks:
    $ sudo echo -e 'Acquire::http::proxy "http://myusername:mypassword@myproxyaddress:myproxyport/";\nAcquire::https::proxy "https://myusername:mypassword@myproxyaddress:myproxyport/";\nAcquire::ftp::proxy "ftp://myusername:mypassword@myproxyaddress:myproxyport/";\nAcquire::socks::proxy "socks://myusername:mypassword@myproxyaddress:myproxyport/";' >> /etc/apt/apt.conf
  2. Rerun apt

You can refer to here, on how to determine your proxy ip address and port using curl.

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