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waspinator
Asked: 2012-12-20 09:41:19 +0800 CST

How to restart the networking service?

  • 772

I tried to use

sudo service networking restart

and

sudo /etc/init.d/network restart

but they both crash the window manager and I can no longer use my keyboard for input into X.

when I use the /etc/init.d/ method it complains saying that I should use the service utility

e.g. service networking restart

but it crashes just the same.

Is there a GUI method of restarting networking?

networking

18 Answers

  1. For Desktops

    Try

    sudo service network-manager restart

    Or on recent Ubuntu versions:

    sudo systemctl restart systemd-networkd

    instead.

    Ubuntu uses network-manager instead of the traditional Linux networking model. so you should restart the network-manager service instead of the network service. Or use ifup/down.

    For Servers

    Check this answer.

    • 317

  2. For Servers

    Restarting networking on a desktop machine will cause dbus and a bunch of service to stop and never be started again, usually leading to the whole system being unusable.

    As Ubuntu does event based network bring up, there quite simply isn't a way to undo it all and redo it all, so a restart just isn't plain possible. The recommended way instead is to use ifdown and ifup on the interfaces you actually want to reconfigure: 

    sudo ifdown --exclude=lo -a && sudo ifup --exclude=lo -a
    • 119

  3. You could try

    ifconfig eth0 down && ifconfig eth0 up

    (or whatever your network interface is called) to restart the network.

    • 43

  4. ubuntu CLI: to restart the network service either

    sudo /etc/init.d/networking restart

    or

    ifdown eth0
ifup eth0
    • 21

  5. For ubuntu server 18.04, this works : 

    sudo systemctl restart systemd-networkd
    • 16

  6. These days the most direct way to restart network services is to use systemd controls, namely the commandline systemd control utility systemctl. This command will restart the NetworkManager:

    sudo systemctl restart NetworkManager.service

    More information can be found here.

    • 13

  7. service network-manager restart doesn't work: 

    stop: Unknown job network-manager
start: Unknown job network-manager

    The only thing that works is: 

    ifconfig eth0 down
ifconfig eth0 up
    • 9 
  8. sudo service network-manager restart

    nor:

    sudo service networking restart

    Doesn't work on Ubuntu server 14.04

    only:

    sudo ifdown eth0:0
sudo ifup eth0:0

    Works. Change eth0:0 to your interface.

    • 7

  9. Try using the indicator (top menu bar) to disable and then enable networking.

    • 6

  10. I've got the same issue. Its a known bug https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/1102507

    Using service network-manager restart works through

    • 5