On Fri, Aug 04, 2017 at 10:14:20AM +0200, to...@tuxteam.de wrote: > On Thu, Aug 03, 2017 at 08:49:05PM +0200, Pascal Hambourg wrote: > > Le 03/08/2017 à 15:52, Zenaan Harkness a écrit : > > >On Thu, Aug 03, 2017 at 08:53:27AM -0400, Greg Wooledge wrote: > > >>But the problem is, various Unix DHCP client daemons do *too much*. > > >>All I want them to do is set the IP address, netmask, and gateway. > > >>I *don't* want them to change the system hostname, or the system > > >>resolv.conf (in which I have hand-placed *our* DNS search domain and > > >>*our* DNS resolvers). > > > > > >Well, making /etc/resolv.conf read-only, owned by root.root > > > > ... is just useless. resolv.conf is already owned by root, DCHP > > client daemons run as root and on Linux systems root (uid 0) ignores > > read/write permissions. > > That's what chattr +i is for. Don't forget to do chattr -i on the file > whenever *you* want to change it :-)
Another command that could be add to /e/n/i :)
