Yes, it seems to fix it, but there is a upgrade-problem: ... Mar 1 21:52:16 server kernel: [177627.390088] init: isc-dhcp-server main process (1218) killed by TERM signal Mar 1 21:52:20 server dhcpd: Internet Systems Consortium DHCP Server 4.2.4 Mar 1 21:52:20 server dhcpd: Copyright 2004-2012 Internet Systems Consortium. Mar 1 21:52:20 server dhcpd: All rights reserved. Mar 1 21:52:20 server dhcpd: For info, please visit https://www.isc.org/software/dhcp/ Mar 1 21:52:20 server dhcpd: Internet Systems Consortium DHCP Server 4.2.4 Mar 1 21:52:20 server dhcpd: Copyright 2004-2012 Internet Systems Consortium. Mar 1 21:52:20 server dhcpd: All rights reserved. Mar 1 21:52:20 server dhcpd: For info, please visit https://www.isc.org/software/dhcp/ Mar 1 21:52:20 server kernel: [177631.988612] type=1400 audit(1456865540.867:34): apparmor="DENIED" operation="capable" profile="/usr/sbin/dhcpd" pid=6043 comm="dhcpd" capability=0 capname="chown" Mar 1 21:52:20 server dhcpd: Can't chown new lease file: Operation not permitted Mar 1 21:52:20 server kernel: [177631.989335] init: isc-dhcp-server main process (6043) terminated with status 1 Mar 1 21:52:20 server kernel: [177631.989343] init: isc-dhcp-server main process ended, respawning ...
and so on, until: Mar 1 21:52:21 server kernel: [177632.161456] init: isc-dhcp-server respawning too fast, stopped Mar 1 21:52:21 server kernel: [177632.248030] type=1400 audit(1456865541.127:38): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/dhcpd" pid=6122 comm="apparmor_parser" Mar 1 21:52:22 server kernel: [177633.172803] type=1400 audit(1456865542.055:39): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/sbin/dhclient" pid=6186 comm="apparmor_parser" Mar 1 21:52:22 server kernel: [177633.172970] type=1400 audit(1456865542.055:40): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=6186 comm="apparmor_parser" Mar 1 21:52:22 server kernel: [177633.173109] type=1400 audit(1456865542.055:41): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=6186 comm="apparmor_parser" >From now on "service isc-dhcp-server start" starts the DHCP server and all seems well. I have currently no idea what's going wrong. This happend on two servers running Trusty. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1186662 Title: isc-dhcp-server fails to renew lease file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1186662/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs