I need to restrict/prevent standard users from accessing "system settings" in UI ?
I'm new to Ubuntu and while browsing over forums I saw goto System > Administration and so on. So I wanna know how I can actually goto System, means where can I find System then Administration and so ...
I'm using isc-dhcpd under Ubuntu and I'm looking for a clean and secure way to "purge" the leases that are expired. Is there a way with dhcpd.conf ? or with a script ? Is there any risks to do that ...