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linuxenvironment-variablessudo

How to keep environment variables when using sudo

When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo. However if I type sudo wget it says it can't bypass the proxy setting.

Solution

  • The trick is to add environment variables to sudoers file via sudo visudo command and add these lines:

    Defaults env_keep += "ftp_proxy http_proxy https_proxy no_proxy"

    taken from ArchLinux wiki.

    For Ubuntu 14, you need to specify in separate lines as it returns the errors for multi-variable lines: 

    Defaults  env_keep += "http_proxy"
Defaults  env_keep += "https_proxy"
Defaults  env_keep += "HTTP_PROXY"
Defaults  env_keep += "HTTPS_PROXY"