Archive for category Linux

System proxy settings in LINUX

Posted by admin in Linux on June 6th, 2009

Setting up proxy is an important thing for those who are behind proxy  firewall.Proxy is a intermediate firewall sever which provide connection to internet and various internal servers using authentication.

To setup proxy in linux, there are two ways this can be done using the

  • GUI tool or
  • Command mode.

GUI tool :

Type the below command in your terminal to access the network proxy prefrences GUI tool.

gnome-network-preferences


You will find three buttons to check.

  • Use no proxy
  • Manual Proxy configuration
  • Automatic proxy detection

Check Manual Proxy configuration and  enter your corresponding proxy server address and port number to continue browsing.

Command mode:

There is few  system variables which are used to detect proxy configuration in Linux systems. That is http_proxy, https_proxy, ftp_proxy, … and other few to use gopher, SOCKS.

To set up proxy connection in your system you can do this by typing the below command in your terminal.

set http_proxy=http://<username>:<password>@<proxy server>:<port>/

set https_proxy=https://<username>:<password>@<proxy server>:<port>/

set ftp_proxy=ftp://<username>:<password>@<proxy server>:<port>/

The above commands will set the proxy setting for the respective terminal. To do system wide changes you should export the variable.

export http_proxy=http://<username>:<password>@<proxy server>:<port>/

export https_proxy=https://<username>:<password>@<proxy server>:<port>/

export ftp_proxy=ftp://<username>:<password>@<proxy server>:<port>/

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