Managing and using network connectivity on a Ubuntu system

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Turning a computer on remotely, but still on the same network

I have a home server running Ubuntu 14.04 and a huge first world problem. I like to conserve power so I leave the server off most times when I'm not using it. But when I have to turn it on I have to ...
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18 views

Broadband (wired) stopped working after a reboot - Ubuntu 16.04 LTS x64

Switched to Unbuntu 16.04 LTS from WinXP a month back. Internet(wired broadband connection) was working flawlessly for few weeks. I'm guessing some automatic updates or something I fiddled with ...
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11 views

How to set wireless network priority using WIFI Radar?

There are a few other questions like this one, however none of the answers walk through the specifics of how to set network priority using wifi radar. For example when I'm home the default wifi ...
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8 views

HP 840 G2 and WWAN (mobile internet)

I have HP 840 G2, and sim card module (WWAN). I placed the sim correctly to the module (below the battery). I use ubuntu (gnome) 16.04. However WWAN is not recognized. Following is my lsusb. Bus ...
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24 views

Ubuntu 16.04 LTS Internet connectivity failure

I have spent 3 days combing through every thread I can find, but I just can't get it to connect to the internet. Windows 7 on primary HDD. Installed 16.04 on secondary HDD. Ubuntu 14 on laptop that ...
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20 views

Why does selecting the proprietary driver 8812au not have any effect on one of my computers?

Problem I bought a Linksys WUSB 6300 dual-band USB WiFi adapter to connect my desktop PC to the internet. As soon as I plug it into the USB I can select the corresponding proprietary driver in the ...
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9 views

No network devices available after upgrade from 14.04 to 15.10 - Sony VAIO; Qualcomm Atheros

I upgraded Sony VAIO from Ubuntu 14.04 to 15.10, somehow in between the laptop switched off (Due to battery drain), after restart I corrected the installation via dpkg...v15.10 is now running fine ...
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11 views

Why does smbclient return with Windows-based hosts having incorrect DOMAIN contents?

I have recently noticed an anomaly with how smbclient works with Linux and Windows-based hosts, and I am wondering if this is something we all simply "must live with", or if there is a workaround? I ...
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24 views

Why Xubuntu 16.04 wireless connection fails so often?

I usually don't ask "stupid" questions like this, but the wireless connection in Xubuntu 16.04 is killing me!! I'm browsing the internet like any regular Joe and all of the sudden Chromium is telling ...
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12 views

Installing Gnome-Network Manager

I use Ubuntu 14.04 (LTS), I want to create Hot-Spot, My Desktop Environment is Xfce, I want a graphical Gnome3 Network manager in order to create a Hot-Spot, I tried to Install by using this Command, ...
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15 views

Killer Wireless AC 1535 'Device not ready' in Ubuntu 16.04

my Killer wifi card is detected, but doesn't detect any networks and says 'device not ready' in Ubuntu 16.0 i did the dmesg | grep ath10k and this is the output: [13.619208] ath10k_pci ...
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ralink rt3290 driver module not launching and I can't figure out why

I have an HP Envy 15 with the RT3290 from ralink. It had Win8 on it which I have completely removed and installed ubuntu 16.04 on it. I have been trying to get the wireless to work and haven't been ...
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1answer
10 views

Can't SSH to machine on Local Network (time out), can SSH from ouside LAN

I have a Box 'foo' which has sshd running. I wish to ssh to this machine via Box 'bar'. Box 'foo' has the IP address 10.0.0.100 and Box 'bar' has the IP 10.0.0.109. The gateway for both of these ...
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1answer
14 views

VPN, Loopbacks, Ubuntu Server, And VirtualBox

Is it possible to create a VPN server in VirtualBox, and then connect to it from the same machine? Also, will it actually secure my information if I'm using public wifi? I'm a novice when it comes ...
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14 views

nameserver in resolv.conf not getting updated

I'm trying to use a dns service on my xenial. I have added the following line to dhclient.conf. prepend domain-name-servers 208.67.222.222,208.67.220.220; After reconnecting or rebooting ...
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8 views

Hamachi service on boot

I have installed Logmein Hamachi on a Raspberry PI2B running Ubuntu 14.04. I want to access this "server" via ssh with the Hamachi ip (using hamachi because the ip of the server will change over time ...
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8 views

VM Ubuntu Server 16.04 no network connection with static IP

My Setup: Oracle VM Virtual Box running on a windows 7 box Virtual hosting is enabled in Windows Box BIOS Steps taken: With Dynamic IP assignment the the Ubuntu server can ping everything. No ...
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15 views

Networking disabled after upgrade from 15.04 to 15.10, only loopback present

After upgrading to Ubuntu 15.10 on a Thinkpad X220 laptop, ethernet and wifi are no longer working. ifconfig shows only the loopback interface. ifconfig -a shows the loopback, eth0, and wlan0. I ...
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One more Networks tab missing question. Someone please answer.

I have seen unanswered "Network" tab missing questions. But maybe this one could be answered? Here is what I did briefly: (Tried several ubuntu documentations step by step). I am using split ...
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1answer
11 views

Install second network interface on virtualized Ubuntu Server

I've just installed the latest Ubuntu 16.04 on a VirtualBox machine. I'd like to have two different network interfaces: the first one to access the guest machine from the host using ssh; for this ...
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8 views

NetworkManager doesn't add the right IPv6 routes [on hold]

Edit: the problem was a rogue router on my network which was advertising itself with a faulty prefix. Ignore this question, sorry! When enabling IPv6, connecting to a network using NetworkManager ...
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1answer
28 views

How to set up dialup on Ubuntu 16.04?

OK, absolutely new at Linux, installed 16.04. How do I get dialup going with it, since that is all I have available?
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Network-manager is deleted and i have no internet access

i accidentally deleted the network manager from my ubuntu, and i have no access to the internet and thats why i cant use sudo apt-get install network-manager because its said me that could not load ...
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1answer
36 views

How to assign IP when a machine is connected to the same network via two interfaces?

I have a Ubuntu 14.04 machine connected to the same subnet via two different interfaces, wlan0 and eth0. The machine is used for normal browsing of internet only. I am to manually assign IP addresses ...
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27 views

15.10 - Cannot connect to wireless networks at home, but can at remote locations?

Ever since I plugged in an ethernet cable into my laptop at home I cannot connect to the wireless network anymore. It doesn't list any of them. Before it was working fine. The weird part is, whenever ...
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1answer
16 views

Wifi Dongle Blocked by Hardware Switch

I have the problem on an old (2008) Sony Vaio VGN FW5 that the wifi is blocked by a switch. In Windows, I used to use a wifi dongle, however the dongle is now also blocked by the hardware switch in ...
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1answer
28 views

Intel NUC running Ubuntu 16.04 booting hangs for five minutes if LAN cable unplugged

I've an Intel NUC NUC6i5SYH (i5 6th generation) running Ubuntu 16.04. If I have a LAN cable plugged in, the system boots quickly and the LAN networking works as expected. I can get the wireless to ...
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16 views

MAAS - Failed to get ip directly [ERRNO -2]

When running the Ubuntu Openstack Installer / Autopilot and am receiving the following error: Reason: "Error deploying landscape". Inside the commands.log file, there is a line which has lead me ...
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10 views

Couldn't bind UDP 53 nxfilter

We are using ubuntu 14.04 and successfully installed nxfilter latest version. When I run the ./startup.sh script file then getting below error: INFO - ResolverMan.create_resolver, Resolving DNS ...
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18 views

Where can I obtain the best shh and proxy for ubuntu 14.04 LTS

Hello again I have a more personal question based on certain software and other items I can obtain See a friend of mine has given me a major reality check on some pointers I had not known to the ...
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1answer
18 views

Automatic ip switching

I have two network connections. Two of them are not stable. These connections go down at least once a day. So is it possible to switch the connection (gateway) automatically to another if one goes ...
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11 views

laptop wifi indicator not lit even though I'm connected

Just installed Ubuntu 16.04 on my Asus VivoBook X202E recently, and now even though I have a wifi connection, the wifi indicator on my laptop doesn't light. Switching back to Windows 10 makes the ...
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51 views

No Wireless with broadcom BCM4350 Ubuntu 16.04

EI'm running Ubuntu 16.04 on an Dell XPS 13 9350 (skylake) Since the old kernel doesn't support the broadcom wireless card I updated to ubuntu 16.04, coming from 15.10. The 4.4 kernel supports the ...
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1answer
40 views

Ubuntu 16.04, connection to WiFi but no Internet

I often have this problem in Ubuntu when someone in my family power cycles our modem or router: no connection to the Internet. It has once again happened. Here is everything I've tried: Ubuntu 16.04 ...
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1answer
23 views

Redirect Command to Email

I have a PXE server and need to do a redirect command at the end of the script. ifconfig | grep inet >> ip.txt send to My_EMAIL Am I on the right path? Edit include from answer posted as an ...
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12 views

Connection to the internet using 3g modem ZTE MF190 on Ubuntu 14.04

I got problem with using 3G modem in Ubuntu. I installed Ubuntu 14.04 in VirtualBox and use it as guest OS. My host OS is Windows 7. I haven't problem when share hosts internet via NAT, but when i'm ...
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26 views

cannot unblock the hardblocked external wifi device

i'm newbie to linux and i'm using external wifi device to connect with internet. After i came across with many site & forums ,i found that "hardblocked - yes" is making trouble.I tried many ways ...
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22 views

Sharing a Network Drive through OpenSSH for a Specific Group

First question, hooray! To the point: I'm not very well versed in Linux, I'm in the process of studying my Linux+. I'm working on a variety of projects with friends, co-workers, and teachers. I'm ...
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3answers
373 views

How to share a folder on Ubuntu to Raspberry Pi 3 over local WiFi network?

I am planing to buy RaspberryPi 3 and have it connected to my TV. I also have a lot of movies on Windows partition in my dual boot Ubuntu 14.04 & Win 8 machine (Win 8 isn't used, but is there). I ...
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1answer
30 views

SSH from Ubuntu to Lubuntu on a local network

I want to SSH from my laptop to a device on my local network running Lubuntu. I'm trying to use the method described in this answer. To get a list of Ubuntu: avahi-browse -tl _workstation._tcp ...
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12 views

why newly created vm using pxe boot is not listing in the maas

I am using MAAS. MAASRC and MAASCC in different nodes. And I have created new VM using PXE boot. But the newly created VM is not listing in the maas. What should be the issue with this. When I try to ...
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6 views

Xenial Server is not quite working with 802.1x port-based authentication

Ubuntu server 16.04 with kernel 4.4.0-22. Cisco switch C3750 with 802.1x port-based authentication. Everything went fine until one day, our radius server died. When radius server was unreachable, the ...
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25 views

dsl problem in ubuntu 16.04 (how to fix) [on hold]

i have budgie remix 16.04 :https://budgie-remix.org/ i tried the dsl connection setup what i did in last ubuntu releases but in ubuntu 16.04 the dsl does not work . the (sudo pppoeconf) is not an ...
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5 views

Troubleshoot XYMon Client not reporting

So I am new to XYMon, tried installing it on CentOS first as that is the top linked guide in the XYMon installation main page, but that was a nightmare. Also it uses Ubuntu 12.04 LTS (Precise ...
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20 views

Windows 7 File Share

I'm having issues trying to access my Windows 7 Share. I've read a LOT of thing on the Internet but nothing seems to work. I CAN access those folders with a Windows computer, but NOT with my Notebook ...
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1answer
24 views

SSH tunneling with relay and dynamic IPs

I am trying to achieve a vnc connection through ssh tunnel from a computer on a private network, and to another one on another private network, using a public server as relay. It can be graphically ...
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1answer
26 views

Wireless not working on Pavilion x360-Convertible, running 16.,04

I have a wireless problem with my HP-Pavilion-x360-Convertible, with a clean install of 16.04. When I click on the wireless on/off button in network settings, it always flips back to 'off'. The ...
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0answers
13 views

OpenVPN Import Problem

i had a strange problem when i try to use vpn first i tried to use tunnelbear vpn it succeeded but it caused that the network isn't working and i had to disable it then i tried to use finchvpn by ...
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31 views

No WiFi or Enable WiFi option after restart Ubuntu 16.04

Please help me troubleshoot this WiFi issue with my laptop. I have a Dell XPS L521X running on Ubuntu 16.04 LTS. My WiFi card is Intel Dual Band Wireless-AC 7260. My WiFi would work normally, but on a ...
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1answer
28 views

How do I get static IP working?

I have two PCs running Ubuntu 16.04 (one 32bit one 64bit) and a old TRENDnet TW100-S4W1CA router. The problem is that when I set the IPv4 address to "manual" the connections gets initialized just ...