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Set Proxy Settings on linux Console / Terminal to get Internet Access

Overview :

 

In Linux Like operating system ,  we have the variables  like http_proxy,ftp_proxy and https_proxy  through which we can access the Internet via proxy on linux console.

 

All of the above mentioned variables are can be used with tools like elinks , wget , lynx , rsync  and others.

 

I am assuming Linux servers are behind the proxy servers and can get the Internet connection only via proxy settings.

 

Proxy Setting commands on Linux  Console :

 

Example:1 Access http base sites via proxy , use below variable

 

# export http_proxy=http://<proxy-server-ip-or-dns-name>:<Port-Number>

 

# export http_proxy=http://proxy.nextstep4it.com:8080

 

Example:2 Password Protect Proxy Settings

 

# export http_proxy=http://USERNAME:PASSWORD@<proxy-server-ip-or-dns-name>:PORT

 

# export http_proxy=http://nsit:*****@proxy.nextstep4it.com:8080/

 

Using Above  Command we have set the proxy setting along with user name and password.

 

Example:3 To access secure sites(https) via proxy , set below variable

 

#  export https_proxy=http://<proxy-server-ip-or-dns-name>:<Port-Number>

 

# export https_proxy=http://proxy.nextstep4it.com:8080/

 

Example:4 To access ftp based sites via Proxy , set the below variable

 

# export ftp_proxy=http://<proxy-server-ip-or-dns-name>:<Port-Number>

 

# export ftp_proxy=http://proxy.nextstep4it.com:8080/

 

Note : As these variables are declared for the particular session , to set it permanently , define these variables in the file

“/etc/bash.bashrc”

 

export http_proxy=http://proxy.nextstep4it.com:8080/
export ftp_proxy=http://proxy.nextstep4it.com:8080/
https_proxy=http://proxy.nextstep4it.com:8080/

 

Example:5   Proxy Settings in APT  on Ubuntu Linux

 

# Vi /etc/apt/apt.conf


Acquire::http::Proxy "http://<proxy-server-ip-or-dns-name>:<Port-Number>";

 

Example:6  Proxy Settings for RSYNC

 

# export RSYNC_PROXY="http://<proxy-server-ip-or-dns-name>:<Port-Number>”

 

# export RSYNC_PROXY="http://proxy.nextstep4it.com:8080”

 

 

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