Ubuntu 14.04 Server Not Rebooting (ifupdown network issue)
It appears that with the latest bundle of Ubuntu updates, ifupdown
breaks the server boot quite fantastically.
Resolution 1: Change the order that the updates are applied in
[1] BACKUP SERVER!
[2] apt-get update
[3] apt-mark hold ifupdow
On 16.04 I have to do as follow to make new IP work after modify the
file /etc/network/interfaces, cause `service networking restart` not
work.
```
sudo if addr flush eth0
sudo ifdown --force eth0
sudo ifup eth0
```
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On 16.04 I have to do as follow to make new IP work after modify the
file /etc/network/interfaces, cause `service networking restart` not
work.
```
sudo ip addr flush eth0
sudo ifdown --force eth0
sudo ifup eth0
```
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+1 (#27 and alike)
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Title:
Networking does not restart
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Additionally, the ifdown/ifup method does not load certain changes (e.g.
IP address) properly, and often breaks networking when such changes are
made.
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>Seriously people, get over yourself
There's no need to be rude and condescending, Gabriel. It is possible to
have a disagreement without being a jerk about it.
There's about 100% more keystrokes in:
> `( ifdown -a --exclude=lo; ifup -a --exclude=lo) &`
vs
> service networking restart
Plus `ser
Seriously people, get over yourself. Here's what the init script did on
restart:
ifdown -a --exclude=lo $verbose
ifup -a --exclude=lo $exclusions $verbose && ifup_hotplug $exclusions $verbose
All the rest is message output, checking for /etc/network/options and
other boilerplate stuff. That's
This is a problem for bonded interfaces. A full networking restart is
required when reconfiguring slave interfaces or bonds. The lack of
support for restarting networking then means a full host restart is
required, which is absurd. This isn't Windows.
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I just stumbled into this issue, somehow missed it till now. Wanted to
setup 14.04 as my Puppet enterprise Master but will have to use Centos
7 as the service provider for puppet uses 'service X restart'
at least version 15 has systemd startup, none of this ifup, ifdown
nonsense
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If I understand correctly, this won't be fixed at this level. Some sort of
escalation would need to happen to put the facts in front of someone else
to get a different decision.
On Tue, Mar 29, 2016 at 10:41 AM Dennis DeMarco <
dennis.dema...@rackspace.com> wrote:
> Why hasn't this been fixed yet
Why hasn't this been fixed yet. It's a total automation fail.
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Title:
Networking does not restart
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'networking restart' was found to be able to to break some GUIs, as reported
here:
https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1072518
Apparently '/etc/init.d/networking restart' was bringing down entire
desktop environment (obviously on desktop version of OS). It was
reported for Ubu
#74: Good point!
Stéphane Graber (stgraber) is not subscribed to this bug anymore and
this bug is unassigned. I fear that #64 point a) has happened for real.
Hmm...
At the same time an officially supported way to restart the interfaces
reliably, even over SSH, is missing. My only hope is that thi
Is there really no better solution for this than ifdown/ifup ?
What is the recommended method to restart all networking services,
rather than a select interface?
RHEL can manage this easily: https://access.redhat.com/documentation/en-
US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-
Netwo
This does not work for me.
ifdown eth0 && ifup eth0
as root, running over ssh and screen and the machine has disappeared.
Unfortunately our test machines are not VMs with local access only to the
console.
I now have a long round trip journey to the datacenter.
What a waste of time. FFS
-
This is another sign of a good distribution going backwards.
I need to change a large VM cluster from DHCP to static over SSH using
automation tools
/etc/init.d/networking restart used to work remotely for this. What the
heck am I supposed to do now?
Clearly everybody used /etc/init.d/networking
The command in comment #8 *should* do this in a single exec resource:
sudo ifdown --exclude=lo -a && sudo ifup --exclude=lo -a
However, I have found this does not actually work either for any
significant config change (e.g. IP address change, gateway change). In
fact, the command above frequentl
This is affecting me as well. I don't care about the bug/feature
argument, but I know other folks are running into this in Puppet managed
environments. Has anyone come up with a graceful workaround for the
following:
class networking {
file { 'interfaces':
source => 'puppet:///modules
hello,everybody
I also meeting this question or said BUG.
begin,i can`t telnet my linux in the VMware 11.0,I find ways to restart net,
I read your comments and I have some thinking.
end,I find gateway is wrong..
I fixed my question but bash still echo
$sudo service networking restart
stop :J
Summary of this thread:
Sysadmin: "Dude, I've been using hammer (tm) since 1.0, and it always
had a handle. Now in 14.04 all I get is the hammer head, what gives?"
Vendor: "Using the handle was never supported."
Sysadmin: "So, like, what am I supposed to do when I need to hammer in a
nail?"
Ven
The man hours lost on this across the globe are rising. The sudo ifdown
eth0; sudo ifup eth0 solution solves some of the problems but not all of
them.
Either way, a better error message would be helpful in at least saving
people from debugging why it doesn't work and then coming in here and
rantin
great... due to that "feature" i just lost a day of precious working time and
had to drive almost 100 miles for nothing. following this thread to find out
why /etc/init.d/networking restart not working anymore (and causing lots of
unwanted effekts and in the end lost connectivity ) to find out t
This is my current workaround patch, which seems to work fairly well:
sed -i 's/if init_is_upstart/if false \&\& init_is_upstart/ig'
/etc/init.d/networking
Simply changes all instances of "if init_is_upstart" to "if false &&
init_is_upstart".
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I've been in IT a while, and this bug report is playing out in the
standard dysfunctional way:
1. Obvious regression is made.
2. Developer states that the bug is a feature, that his/her way is the Correct
Way, and that all other views are wrong or merely opinions.
3. Reams of evidence of material
Any other solutions ? I am really looking for a clean solution to this.
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Quote #50
We need this bug fixed!
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quote #50, and add request for escalation of this issue.
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+1000
This is stupid
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+1 Please revert the script implementation back as it was when it was working.
It affects too many of us. IMHO it is not a real improvement/feature when a
script does nothing, better to remove it, at least it would be clear/clean.
Kindly
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More than a year later and no action.. Unbelievable.
I made the mistake of attempting to deploy Trusty for a new DNS server.
Spent about an hour attempting to migrate the old IP to the new box.
None of the workarounds were successful -- including the 13.10 scripts
the previously worked. Only rebo
Almost definitely and accidental change to invalid
** Changed in: ifupdown (Ubuntu)
Status: Invalid => Confirmed
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Title:
Networking does
@booch, I am confused why you marked this as Invalid if you think that
the script should work...
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Title:
Networking does not restart
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This is unacceptable and disturbing change.
In Ubuntu 14.04 still work upstart and not systemd.
I don't see even one reason, why init script shouldn't work properly.
More than this, I don't see any reason, why there is no comment or warning when
I use /etc/init.d/netwroking restart
Simply empt
+1. This is a major inconvenience. I had to restart the server every
time for the nics to start working. (sad face)
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Title:
Networking does no
How is this still being ignored?? What is the work around? For example a
bridge started and configured in /etc/network/interfaces errors when
doing ifdown br0 as "not found" so this is obviously not a working
method as previously noted.
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I can't believe this very important functionality has been removed and
there is no alternative solution given for reading the
/etc/network/interfaces file (except reboot)
Ifconfig solution doesn't read the configuration files. It is
unacceptable.
There must be a script that reads this file. Where
+1. This is a major inconvenience for deployment/operation of cloud
infrastructure.
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The other serious technical issue is that with "networking restart" no
longer supported either an init.d or upstart, there is no way to address
automated restarting any of the dependent network services that would
normally be restarted as a group (like nfs). Any automated build
process is going to
I second rgtaylor's request. This additionally has great impact on
automated build scripts & systems (in my case, Foreman/puppet) which
need a way to make networking changes (such as new IP address) & apply
those changes, often on systems for which console access is (at best)
inconvenient due to l
I would like to "officially" request escalation of this issue up to next
level of Ubuntu support - it is currently listed as "confirmed", "high"
and "unassigned". Ubuntu 10.04 LTS is very soon EOL, and this
functional requirement is currently removed from the current LTS version
with no migration
Thanks for the update Simon.
Never mind /etc/init.d/networking restart does not work either. I tried
removing an interface and then doing a network restart, but nothing took
effect.
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No fix has been released. The status change must have been in error
** Changed in: ifupdown (Ubuntu)
Status: Fix Released => Confirmed
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Tit
In my brief testing it seems like sudo /etc/init.d/networking restart is
working, but not sudo service networking restart.
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Title:
Networking doe
I too had huge problems with this issue. I have a 14.04 server blade
that takes ages to reboot, but currently it is the only way to restart
networking when adding for example network bridges.
This problem still exists. It is a feature regression. Stop denying that
fact so it can be fixed.
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Can someone tell me from where to find the new release??? I am not able
to find that..
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Anyone have a link to where it was committed/released? Having trouble
finding it...
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Networking does not restart
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** Changed in: ifupdown (Ubuntu)
Status: Fix Committed => Fix Released
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hu! "Fix Committed "
Which package version fix this ?
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** Changed in: ifupdown (Ubuntu)
Status: Confirmed => Fix Committed
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In 14.10 I have network failure after resuming from suspension. It never was a
problem then a few days ago it became a problem. The only solution was to
reboot. So I looked for a better solution and tried them all. The one that
works under 14.10 is:
sudo service
Seriously canonical... this is getting ridiculous... many High priority
core functionality bus just being plain ignored...
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Title:
Networking doe
I have changed my static ip configguration in /etc/network/interfaces.
But i was unable to use any of the command to bring my interface up and
running. It's totally useless thing what i have found.
I tried the following options. none of them worked.
1. sudo /etc/init.d/networking restart
2. sudo
Just read this whole thread and I too am unable to find a good
justification for why breaking this method of restarting networking was
needed, or the aggregate benefit of breaking many many legacy scripts.
Please resolve this!
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Unreal!
Does anyone from Canonical understand the impact of this change?
This breaks any and all remote automation!
Please address this issue!
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** Changed in: ifupdown (Ubuntu)
Importance: Undecided => High
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Yes, I, too, find this to be very frustrating! I need to be able to
*easily* restart networking remotely via SSH and this is impossible with
the new way of doing things. How can I help fix this?
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This is ridiculous to see this is still an issue. I ran an update on a
couple farms (that were staged in a lab). Now my networking scripts that
I had *FIXED* are now overwritten... I now have 300+ servers that don't
do anything with an init networking script. If this script is an issue,
then please
Bug 1382059 is duplicate with bug 1298505. The serverguide has already
been fixed for 14.04. The bug remains open for the 12.04 serverguide,
but is unlikely to ever be done.
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I've opened 1382059 to suggest updating the server guide with the
correct way to restart networking.
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Title:
Networking does not restart
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Turns out this was not the cause of failing network start after
hibernation resume (see comment #26).
One additional problem is that, unless something radically happens to
change the upstream, sooner or later the proper way to restart network
will be to issue a `systemctl` command, because systemd
This is clearly in need of a decent fix! The amount of scripts and
systems this has broken for us is silly.
** Changed in: ifupdown (Ubuntu)
Status: Opinion => Confirmed
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This is totally unacceptable, please fix it and stop ignoring and
denying the problem. Thank you.
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Title:
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Server admins have been restarting networking with init scripts for many
years, and for me personally it was rather disturbing to find this no
longer works -- as well as to read some of the comments here.
Networking that cannot be reliably restarted in the same manner it's
brought up at boot time i
I just found this bug looking for a reason why my network failed to
(re)start upon resuming from hibernation. Can this be related?
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Title:
Networ
Echoing comment #15, please provide evidence that this was discussed
somewhere, and why it was deemed important enough to castrate server
admins. I just got bitten by it and ended up disabling networking on a
server that's an hour's drive away. :-(
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#7 is not important, it's simply wrong.
man ifupdown, then complain.
For ifup it is enough that interface is present and configured in
/etc/network/interfaces. Or you can just tell to start all configured
interfaces.
For ifdown, you could always use -f.
VirtualBox argument is... just... I have n
man service suggests that "All scripts should support at least the start
and stop commands. "
indeed this is a change of behavior that is quit crucial, even if
"officially" service restart networking was never a "supported" way of
doing it, it seems to be an intuitive way of doing so; simply bec
I'm also using:
# (ifdown eth0 ; ifup eth0) &
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Same problem here.
As mentioned by others, ifup/down it's not a real solution to restart
interfaces (all interfaces), and it's strange to not have a real error
message on stout.
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"If you look at upstart's log, you'll notice the following message:
Stopping or restarting the networking job is not supported.
Use ifdown & ifup to reconfigure desired interface."
This error message should at least be visible in the standard output. "stop:
Job failed while stopping" is really not
I've added the following file:
/etc/network/interfaces.d$ cat lo1.cfg
auto lo1
iface lo1 inet loopback
address 127.0.1.1
netmask 255.0.0.0
How do I get it to take effect if not `restart networking`? I've tried `ifup
lo1` but it just says cannot find device lo1. I have a feeling
Where/when was this change discussed prior to the change?
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It seems this was actually changed as of Ubuntu Saucy 13.10, as restart
--system networking and /etc/init.d/networking both failed...
At this point, its faster/reliable to reboot my machine (10 seconds),
than it is to open a terminal, and "ifdown --exclude=lo -a && sudo ifup
--exclude=lo -a".
Also I think the ifup/down are not used at boot time, so there are two
different ways that the network gets setup.
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Title:
Networking does not re
Regardless of whether it's officially supported or not, the method did
solve a lot of problems in one command. The only times it has caused
issues for me is when I have tun devices created by other services. In
general, I feel a better solution would be to have the networking only
restart those ada
ifupdown does not work if using virtualbox and machine has been cloned -
including changing of MAC address during clone process...
Process..
Create new VM in VirtualBox 4.3.12
Install 14.04 server - 64
# sudo ifdown eth0 <- works
# sudo ifup eth0 <- works
Clone machine changi
I have no control as to what's included in the server guide and in this
instance the server guide is simply wrong.
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Title:
Networking does not re
"This was never a supported way to bounce the network..." <--- Not
accurate
>From https://help.ubuntu.com/10.04/serverguide/network-configuration.html
Now restart networking to enable the bridge interface:
sudo /etc/init.d/networking restart
>From https://help.ubuntu.com/12.04/serverguide/networ
Robert Taylor (rgtaylor) #7 is an important argument! Please reopen the
Bug
** Changed in: ifupdown (Ubuntu)
Status: Invalid => Opinion
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Ti
It sure is possible if you do it in the background. (ifdown blah ; ifup
blah)& will work great.
** Changed in: ifupdown (Ubuntu)
Status: New => Invalid
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@Stéphane I disagree, this is not possible to do remotely.
** Changed in: ifupdown (Ubuntu)
Status: Invalid => New
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Title:
Networking doe
I had the same problem in ubuntu 14.04. The following thread shows a
workaround:
http://askubuntu.com/questions/230698/how-to-restart-the-networking-
service?lq=1
sudo ifdown --exclude=lo -a && sudo ifup --exclude=lo -a
This worked for me, restarted all interfaces except loopback.
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ifdown/ifup requires that every interface be detected before hand and
restarted individually on multi-homed hosts and hypervisors.
For hypervisors in a cloud environment this includes virtual bridges as
well. The init script method available till this release of the OS
allowed restarting all in
ifdown and ifup works great, just use that.
Restarting the whole network simply isn't possible when it's brought up
through boot time events.
** Changed in: ifupdown (Ubuntu)
Status: New => Invalid
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This is bad for remote administration over SSH. Running this command
would allow you to cleanly restart networking remotely over SSH, now
there is no nice way to do that.
** Changed in: ifupdown (Ubuntu)
Status: Opinion => New
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This seems to be an unexpected change.
I appreciate the logic of the change but perhaps a more descriptive
solution could be present in the error?
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** Changed in: ifupdown (Ubuntu)
Status: Invalid => Opinion
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Er, I've been just bitten by this "feature" too.
Having the habit of using /etc/init.d/* (since it works on many
different platforms and my fingers learned it many years ago) I presumed
that would at some stage be replaced by the "service" command - but not
that networking would be started in som
There must be a better program output for such a backward incompatible
behavior, not just in logs.
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Title:
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This was never a supported way to bounce the network, starting with
14.04, we changed the init script to fail rather than possibly trash
your machine.
If you look at upstart's log, you'll notice the following message:
Stopping or restarting the networking job is not supported.
Use ifdown & ifup to
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