Managing and using network connectivity on a Ubuntu system

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51 views

Dial up networking server?

I want to network computer 1 and 2 using a phone line. Computer 1 is connected a network, computer 2 wants to access that network in some capacity using a phone line. Is this possible?
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4k views

Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
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2k views

Network Manager Ubuntu 16.04 - wifi connected no wifi networks listed

After I resume from suspend, or disabling WiFi & re-enable or disable networking and re-enable or connecting via ethernet and then unplugging cable, I pickup and connect via wifi internet ...
5
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0answers
408 views

Ubuntu 15.10: share internet connection over WiFi

Having two WiFi interfaces I'd like to use one as a hotspot, but the simple instructions found here don't work, no new wireless network is detected by any device (neither Android nor Windows PC). Any ...
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419 views

(32) Ad-Hoc mode is not supported by this device. - 13.10 on i5 NUC

Not sure if this is an Ubuntu issue or intel issue. Any insights will be appreciated. I have an intel NUC (D54250WYK) w/ intel 7260 wireless adapter and Ubuntu 13.10. I can connect to my local wi-...
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2k views

No networking: Failed to bring up eth0

The networking service fails to start / doesn't start on reboot. Restarting networking (via systemctl): networking.serviceJob for networking.service failed because the control process exited with ...
4
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0answers
45 views

Network Trash showing on my desktop

I'm using Ubuntu 14.04 LTS on my company PC. After installing some software to test out I decided to uninstall them. The problem I have is that every time I start my computer my trash bin shows as ...
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93 views

Wifi in Ubuntu 15.04

Of course, we first have the issue that Dell decided that not mentioning the model number on their laptops was much more user friendly. It says "Inspiron 15, 5000 series" on some kind of sticker on ...
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4k views

UFW for OpenVPN

I want to configure ufw (uncomplicated firewall) for OpenVPN. Connections are only allowed through OpenVPN. Everything else should be blocked. So if OpenVPN is disconnected -> no internet! I found ...
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264 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
4
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1k views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
4
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2k views

Error During Apt-Mirror Unattended Install Of Ubuntu Server 12.04 Over Network Using PXE

I'm attempting to PXE boot and completely rebuild a new server with an "Ubuntu 12.04 Server" image over the network using apt-mirror but I get multiple errors mid-way through the installation. I am ...
4
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9k views

Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
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4k views

Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu ...
3
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0answers
77 views

Ubuntu 16.04 USB modem detected as CD-ROM. Unable to connect

I am facing difficulty in installing my USB modem in Ubuntu 16.04. Most of the time I connect my USB broadband modem it is connected as CD-ROM. What I understood from the web was that usb-modeswitch ...
3
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0answers
124 views

Qualcomm Atheros AR93xx Wireless Network Adapter + Ubuntu 16.04 woes

NEWS: Added update 1 Added update 2 I am trying to build a new machine using the Gigabyte GA-970 G1 Gaming motherboard, together with a TP-Link TL-WDN4800 N900 Wireless Dual Band PCI Express ...
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89 views

Bluetooth adapter not found in Ubuntu 16.04

Since my upgrade to 16.04 the OS does not find the bluetooth-adapter anymore. The Laptop is an Acer Aspire V5-573G and all i can find about the bluetooth adapter is this: "Bluetooth Qualcomm Atheros ...
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60 views

Massive log files on Ubuntu 16.04

I recently installed Ubuntu 16.04. For some reason I have massive log files. For example: kern.log is 10.5 GB big and syslog is 152 MB. I already tried rotating them, but I wanna know what's making ...
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86 views

Why Google ping (DNS server 8.8.8.8) in windows is faster than ubuntu 16.04 and Other Linux distribution?

I've read all the solutions regarding to similar problems existing in all the community and I've performed these options but none of theme work! I've checked the google ping both in linux and windows ...
3
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0answers
201 views

16.04 LTS slow boot

I've upgraded to 16.04 LTS, booting now lasts 3min 14.784s instead of 25s. Startup finished in 3.973s (firmware) + 3.060s (loader) + 7.361s (kernel) + 3min 388ms (userspace) = 3min 14.784s systemd-...
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0answers
63 views

Is my Ubuntu Desktop under attack?

I am currently facing random freeze of my Ubuntu(16.04) desktop and screen fills up with the garbage pixels. I even cannot start command line using Ctrl-Shift-F1. Every time I have to manually do the ...
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58 views

Is it possible to bypass a hardware wifi switch, if `rfkill unblock all` does not work?

Summary I have recently revived an old Sony Vaio VGN-N230E laptop of mine, and installed Linux Mint on it: gctrindade@gctrindade-VGN-N230E ~ $ lsb_release -irc Distributor ID: LinuxMint Release: ...
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129 views

ubuntu 16.04 - Wireless keeps getting dropped after about 2 hours

I have recently installed ubuntu 16 over my 14 install. Now every 2 - 3 hours the connection to the Router gets dropped. And it won't reconnect automatically, it tries too but doesn't. Also, at the ...
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321 views

[HELP]Ubuntu 16.04 vs OpenVPN & Google Authenticator

:-) I tried searching for a solution to my problem, but was unable to find any, other than "it's a bug in OpenVPN". Essentially the problem is this: OpenVPN w. Google Authenticator does not seem to ...
3
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0answers
427 views

WiFi not working after restart in Ubuntu 16.04

I recently upgraded from Ubuntu 14.04 LTS to Ubuntu 16.04 LTS. Had a few issues with phpmyadmin and MySQL-Server that I rectified. But whenever I restart the system, I lose internet connection. ...
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0answers
73 views

PCManFM (Lubuntu 14.04) not Seeing Other Network Computers

Something has changed recently, and I can't figure out what. I have a headless server running Ubuntu 12.04 Server with Samba and CUPS and several shared drives (frankenstein). Everything worked fine ...
3
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0answers
90 views

Wifi stops working every 1-2 hours

My wifi will work fine for a while, but every 2 hours or so my connections drops. The wifi icon in the taskbar states that I am connected to the network, but I can't access the internet. Rebooting ...
3
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0answers
124 views

BCM43142 wireless card drops connection after some time

I know this question has been discussed in this forum but there is no concrete answer it seems. I have BCM43142 wireless card in my HP desktop(Ubuntu Desktop 14.04 LTS). Wifi works fine but after some ...
3
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0answers
53 views

Why are NAT&Kernel IP Forwarding not working?

I'm trying to forward all traffic from tun0 to eth0,below is my interfaces: eth0 Link encap:Ethernet HWaddr 12:57:6e:6a:74:85 inet addr:172.31.32.133 Bcast:172.31.47.255 Mask:255.255....
3
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0answers
73 views

What is the best method for hosting a minecraft server on Ubuntu?

I am going to try and run a dedicated Minecraft server on a spare desktop computer of mine. Where I work, we are all into minecraft and want to have a server that we can all use. It cannot be lan as ...
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0answers
34 views

xrdb to Ubuntu machine not working from external network

I have a Ubuntu machine that I would like external users to connect to using RDP. Connecting from an internal network works perfectly fine. But users outside of my network,who use the public IP, can ...
3
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0answers
89 views

Why 11n WLAN disabled for iwlwifi in 15.04?

I have a laptop with Intel Centrino N-6300 wireless card. Recently I found out that I can't connect to 11n-only wireless networks. After some research, the reason is that in iwlwifi.conf the 11n ...
3
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0answers
666 views

Get Broadcom Wifi Card [14e4:43ae] to work

The Wifi isn't working, I'm not able to create a new (wifi) connection in the Network Settings. As mentioned in this answer I should ask a new question, if I have PCI ID that's not listed and well ...
3
votes
0answers
67 views

OpenVPN Not Forwarding Traffic on Ethernet

For some reason, my OpenVPN connection does not connect to the internet when I connect to the server over a wired connection. This seems to only be happening on Ubuntu 15.10, as I can connect out on ...
3
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0answers
213 views

How to completly disable LLMNR?

By default, with LLMNR=yes set in /etc/systemd/resolved.conf, here are the port bindings (using netstat -l -p -a -n): tcp 0 0 0.0.0.0:5355 0.0.0.0:* LISTEN ...
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0answers
739 views

Open source FortiGate (Forti SSL VPN) client support in Ubuntu

Does anyone work on adding support for opensource FortiGate SSL VPN NetworkManager client to Ubuntu? According to this blog https://blogs.gnome.org/lkundrak/2015/09/24/fortigate-ssl-vpn-support-added-...
3
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0answers
147 views

Wi-Fi disconnects

i just updated ubuntu at 15.10 and since then i'm having problem with wi-fi. It is working, but it became kind of unreliable. One moment it's working perfectly but sometimes it's still loading and all ...
3
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0answers
163 views

How can I allow macchanger to run on ubuntu touch/apparmor?

I'm trying to run macchanger from the terminal application of an ubuntu touch device to avoid unscrupulous 3rd parties(i.e. wifi providers) from tracing my mac address. However it fails miserably with ...
3
votes
0answers
32 views

What are the directories and files that I should keep in sync for a cluster server

I am currently wanting to set up new clusters. Each cluster is defined by its software installed, software settings, and its home folder files. I want only the above to be cloned and not things like:...
3
votes
0answers
195 views

For a 32-bit Ubuntu 14.04 install, How to install Broadcom wireless 32 bit drivers offline

I have found the steps for doing this with the 64 bit installation of Ubuntu, and I assume that the steps are the same for the most part with the exception of the actual files used. I need some ...
3
votes
0answers
306 views

Redirect traffic flowing into SSH server to privoxy, then to TOR

I own a Ubuntu VPS that I am using for SSH tunneling. I want the traffic to be redirected to TOR network. Some research showed that I can do it by using Privoxy, that will accept traffic from SSH ...
3
votes
0answers
295 views

14.04: Clicking a VPN connection in the network icon menu does nothing

This is identical to (Open VPN connection doesnt work after reboot Ubuntu 14.04) with the one exception that it is a PPTP connection and not OpenVPN. Usually when I click a connection in the menu the ...
3
votes
0answers
287 views

How can I block one or more websites from the command line, especially for Google Chrome?

I teach in a school and have a cart of laptops that I set up with Edubuntu 12.04. I am using LanSchool to monitor their screens, remotely control them, blank their screens, etc. The functionality is ...
3
votes
0answers
316 views

cat: /var/lib/misc/dnsmasq.leases: No such file or directory

I've searched all over the internet, but couldn't find any answers of my problem.. I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
3
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0answers
401 views

Ethernet doesn't work after upgrading from 14.10 to 15.04

I just upgraded from Ubuntu 14.10 to 15.04. The ethernet is now longer recognized. If I open Network from System Settings and click on Wired, it shows Wired Disconnected - 1000 Mb/s Hardware Address ...
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0answers
596 views

RTL8812AE cannot connect to 5ghz networks

I recently purchased a PEX867WAC22 PCI-E wifi card from StarTech (RTL8812AE), and have not been able to connect to any 5 ghz network due to authentication timing out. The driver it comes with is only ...
3
votes
0answers
7k views

Share internet from PC to unrooted android smart phone connected via USB cable

I am running Ubuntu 14.04 LTS with Windows 7 Dual boot (both 32 bit) in my desktop. I use cable broadband (Ethernet). I have an unrooted android smart phone running KitKat 4.4.2. This device has a ...
3
votes
0answers
165 views

Aventail VPN tun0 dropping all packets

I'm using Aventail 10.7.1.449 on Ubuntu 14.10 and cannot connect via VPN anywhere, because all packets after the fix one are dropped: tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-...
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votes
0answers
205 views

WiFi keeps dissappearing

I have an HP Pavilion dv4-4065la. I've been using ubuntu 14.04 since last year (before I was using Windows...so yeah, I know nothing about linux) and nothing bad happened before, but some days ago the ...
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0answers
383 views

How to wake my PC with any packet, not just a magic packet?

Currently, I can wake my PC by sending a magic packet from another device on the LAN. However, the PC will not power on when I send the packet from outside the network (WAN), even though I have my ...