On Mon, Nov 7, 2011 at 6:54 AM, Harry Putnam <rea...@newsguy.com> wrote: > Tom H <tomh0...@gmail.com> writes: >> >> You can also use "nmcli" to take down and bring up your NIC. > > Can you show a usage of bringing up/down the network? > > With this in /etc/NetworkManager/NetworkManager.conf > > [main] > plugins=ifupdown,keyfile > > [ifupdown] > managed=false > > That does mean that ifupdown is not in charge .. right?
No. It means that ifupdown is in charge rather than NM - as long as you have the interfaces listed in "/etc/network/interfaces". See my previous email. > It seems not to work here. For example: > > Man page shows > nmcli con list (to get a list of CONFIGURED connections; > wrapped for mail): > > NAME UUID > Wired connection 1 897c8cd7-b708-4ee4-9123-fcb6d7917edd > > TYPE TIMESTAMP-REAL > 802-3-ethernet Fri 28 Oct 2011 04:28:21 AM CDT > > Ok fine... so far, but then: > > nmcli con down uuid 897c8cd7-b708-4ee4-9123-fcb6d7917edd > Warning: Connection not active > > ------- --------- ---=--- --------- -------- > > Huh? Supposedly all connections were listed in the `list' cmd. > > We've taken the exact UUID shown and yet are told that connection is > not in use... but no others are listed. > > And then (wrapped for mail): > > nmcli nm status > RUNNING STATE WIFI-HARDWARE WIFI > running disconnected enabled enabled > > WWAN-HARDWARE WWAN > enabled disabled > > But of course, I am live: > > ping -c1 google.com > PING google.com (74.125.225.82) 56(84) bytes of data. > 64 bytes from ord08s07-in-f18.1e100.net (74.125.225.82): > icmp_req=1 ttl=54 time=15.8 ms > > --- google.com ping statistics --- > 1 packets transmitted, 1 received, 0% packet loss, time 0ms > rtt min/avg/max/mdev = 15.833/15.833/15.833/0.000 ms > > ------- --------- ---=--- --------- -------- > > Is there no sure file and simple way to bring a network up/down? Bob showed a good way of using nmcli in a previous email. I've used it with connection names in the past but never with UUIDs but it should work if you've set up "/etc/network/interfaces" and "/etc/NetworkManager/..." properly.