Linked Questions

6 votes
1 answer
44k views

ifconfig does not recognize eth0, only wlan0 and lo (Ubuntu 14.04, Macbrook Pro) [duplicate]

ifconfig -a produces: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 ...
Indiana Jones's user avatar
1 vote
1 answer
1k views

Can't access wireless network after modify /etc/network/interfaces - Ubuntu 15.10 [duplicate]

I have just installed Ubuntu 15.10 on my PC and I want to reconfigure network interfaces. I added /etc/network/interfaces file as follows: auto wlan0 iface wlan0 inet static address 192.168.1.4 ...
baoson2211's user avatar
59 votes
5 answers
173k views

Ethernet device not managed

I am using Ubuntu 16.10 and recently I have not been able to connect to internet using Ethernet. The network manager shows device not managed. The WiFi network is working fine. I've tried the ...
martin49's user avatar
  • 752
13 votes
2 answers
34k views

Ubuntu ethernet became unmanaged after update

After one of Ubuntu updates I got my Ethernet connection unmanaged and not working when OS is loaded. I tried different solutions, posted in internet: No wired connection - Wired unmanaged ubuntu 18....
Alexander Stepaniuk's user avatar
13 votes
3 answers
37k views

How do I create a non-adhoc wifi hotspot?

I wanted to use my desktop with a wired ethernet connection (eth0) to operate my "TP-LINK TL-WN722N" USB Wifi Adapter (wlan0) as a non-adhoc (infrastructure mode) access point for my Android to ...
askuhn's user avatar
  • 266
1 vote
3 answers
48k views

Unable to download packages from Ubuntu Software Center - "Check Your Internet Connection"

Whenever I try to install any package, I get the error "Unable to Download Packages", "Check your Internet connection". But the strange part is that I can use synaptic to download and install the same ...
Prarobo's user avatar
  • 160
3 votes
5 answers
17k views

Ethernet connectivity problems after upgrading to Ubuntu 12.04LTS

I tried upgrading once more to 12.04 after it went live. I had tried both Beta 1 and Beta 2. The problem is that now I'm getting sporadic network connectivity. My computer is hooked up straight to ...
SQLSavant's user avatar
  • 283
1 vote
3 answers
15k views

Setting up a PPPoE internet connection in Ubuntu 12.04

I've been trying to set up my internet connection and router with Ubuntu 12.04 and I've been having some issues. I am currently trying to connect directly through my modem using the PPPoE username and ...
Dan's user avatar
  • 11
3 votes
2 answers
8k views

Ethernet not working after update 14.04 (64 bit)

After updating Ubuntu a few days back my ethernet has stopped working. The wifi works fine. I even managed to make my ethernet work once using sudo dhclient eth0 but could not replicate it after ...
imhobo's user avatar
  • 33
3 votes
1 answer
5k views

How do I set a network device to be managed?

My ProtonVPN connection keeps breaking. I'm using Ubuntu 18.04. ProtonVPN informs me that the issue is with Ubuntu, they won't help me fix it, and that I should post here. This is a cross-post of ...
Darien Marks's user avatar
1 vote
1 answer
3k views

Adapter not showing up on Ubuntu (Netgear A6120)

I am attempting to install drivers for my wifi adapter (Netgear Ac6120 Wifi Adapter) The adapter shows up when I type $ lsusb Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root ...
Alexander C's user avatar
1 vote
1 answer
3k views

Unmanaged devices Ubuntu 18.04 with installed openbox

I have installed on ubuntu 18.04 server edition manually the xorg, nm-applet and openbox wm and over the ~/.config/openbox/autostart I have the following settings: dbus-launch nm-applet& lxpanel &...
Dimitrios Desyllas's user avatar
3 votes
1 answer
2k views

Raspberry Pi 4B - Ubuntu 19.10 - Wired Network Unmanaged

I successfully installed ubuntu-19.10-preinstalled-server-armhf+raspi3.img, installed the updates and the Ubuntu Desktop. The wired network shows "Unmanaged" although I can use Firefox. ...
Martin Capehart's user avatar
1 vote
1 answer
3k views

Added a bridge for VM guest, now the host can't access the internet

I've installed KVM and set up bridged networking as per the instructions in this user guide. The guest on the VM seems to be working fine. I can SSH into it and it can ping the outside world. But now ...
KevinS's user avatar
  • 121
0 votes
1 answer
4k views

How can I configure wired network connection on 64-bit Ubuntu 12.04 LTS?

I've just installed my first linux installation on a donated computer that I plan to network and use it as a shared storage drive for all of our pictures and videos. We have a DSL modem with both ...
Scott's user avatar
  • 25

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