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Dynamically I want to edit/update hosts(etc/hosts) file to add domain.
To edit hosts(etc/hosts) file require Admin privileged. Using Linux I can do this by this command
sudo gedit /etc/hosts
But I am trying to do this from using Programming Language.
How can i do it?
Your best bet is to use something like SSH and connect to the computer as root (or sudo in a system()), modify the file then disconnect. The added advantage of this is the convenience of prompting the user for the password.
To do this without prompting, the user would have to set up some means to accomplish it as root. I.e. setuid’ing a helper application, installing a password-less key, modifying a LDAP tree, or various other ways. That’s a little ‘icky’ for the lack of a better term.
There’s no way to make this work for user who does not normally have privilege escalation capabilities.