dhclient for normal (non-root) users

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http://unix.stackexchange.com – Calling dhclient as root works beautifully on my debian machine. However, I would like to allow some users to execute dhclient, too. So far, I have tried these two examples: Example 1: When a normal user calls user@box:~$ dhclient ..., the result is: bash: dhclient: command not found Example 2: I have also tried user@box:~$ /sbin/dhclient ..., and got [...] can't create /var/lib/dhcp3/dhclient.leases: Permission denied SIOCSIFADDR: Permission denied SIOCSIFFLAGS: Permission denied SIOCSIFFLAGS: Permission denied Open a socket for LPF: Operation not permitted Now... I have the fee (HowTos)