Managing and using network connectivity on a Ubuntu system

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Ubuntu won't connect to my router, But connects to my hotspot on my phone. Why is this?

I have installed Ubuntu for the first time, and it won't authenticate to my router. It connects just fine to my wireless hotspot, and i'm not sure if it can connect via ethernet cable. Any fixes to ...
0
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0answers
6 views

Wake-On-LAN (WOL) not working if hibernating for a longer time

I am using pm-hibernate to set my 12.04 server to power saving mode. If it is woken up using Wake-On-LAN after a short time (e.g. 10 minutes), everything works OK. But if I try to WOL the server ...
0
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0answers
18 views

Network issues on 14.10

I have installed Ubuntu 14.10 on my desktop computer in the office, but I'm having troubles with the network. The issue is that I can't make it connect to the network at all, as it displays icon for ...
0
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1answer
17 views

How do I change the primary DNS address of my DSL connection in Ubuntu 14.04?

I am using a DSL network connection in my Ubuntu 14.04. There has been set up a primary DNS address of my ISP by default. But I want to use Google Public DNS. I tried to edit the connection by going ...
0
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1answer
44 views

Rogers or Rogered? [on hold]

I have recently switched to Rogers internet. I can connect to my wireless router, but it can not connect to the internet. I have searched for answers, but came up short. (Windows connected fine, ...
1
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0answers
14 views

Wired connection not working although wireless is working well Ubuntu 12.04 LTS (Precise Pangolin)

I have the following ifconfig configuration: eth1 Link encap:Ethernet HWaddr 00:21:cc:d2:3d:da inet6 addr: fe80::221:ccff:fed2:3dda/64 Scope:Link UP BROADCAST RUNNING ...
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0answers
18 views

Ubuntu 14.10 (Utopic Unicorn) doesn't connect to wireless networks

I'm using 6-7 years old LG MB500, just installed Ubuntu 14.10 (Utopic Unicorn), and I can't connect to my school network (WPA-WPA2 ENTERPRISE,TLS, MSCHAPv2, no CA certificate). The computer displays ...
0
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1answer
28 views

Track Network Usage in Wifi Connection

I'm a student staying at a communal residence of 6 people and the rent includes internet access which is supposedly uncapped but if you really push your downloads(lets say more than 300GB) the ISP ...
1
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2answers
5k views

How to configure a network printer in Ubuntu 14.04 [closed]

I have 2 printers on a home WiFi network that are accessed by 2 desktops running Windows. I have a new laptop on which I am learning/trying Ubuntu 14.04. How do I configure things to access these ...
3
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3answers
5k views

Git cloning error

I've just started to learn git and I tried to run this command : git clone git://github.com/schacon/ticgit.git It did not work and I got this error message ...
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0answers
29 views

Ubuntu 14.04.2 32-bit cannot connect to internet

I just installed Ubuntu on my old desktop today(removed Windows completely), and I am unable to connect to the internet. When I checked behind my CPU for the network port, the lights blink until ...
0
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0answers
20 views

WiFi randomly turning off or disconnecting (lenovo t540p, Ubuntu 14.04)

I installed Ubuntu 14.04 on my lenovo t540p. Everything is working good, however, the wireless keeps turning off or disconnecting from time to time. This is my iwconfig: eth0 no wireless ...
1
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1answer
35 views

How to lock down connecting to a specific WiFi

I have a laptop what has WiFi on the motherboard, but it only supports 802.11a/b and WEP. My WiFi network is 802.11n with WPA2-Personal. So I purchased a USB wireless stick that's compatible with my ...
2
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1answer
34 views

spoofed mac address changes when trying to connect to network

So I need to spoof my mac address to access a network. I can spoof it fine with the ifconfig commands, but when I try to connect to the network it gets reset back to the default mac address. Changing ...
1
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1answer
10 views

Ubuntu hotspot unstable and unable to connect to it from android 4.4.4 cyanogen mod

okay im using kde nm connection editor for the trick yesterday it worked but today after i booted up and started it it ran well but when i try to connect to it from my device the thing i see is ...
13
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2answers
3k views

Why there is no nsenter in util-linux?

I frequently using nsenter command for my purposes in my main system under Arch Linux. Now I have to work on Ubuntu to test my apps on it, but there isn't nsenter in util-linux. Maybe it's a separate ...
0
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1answer
1k views

Disabling UDP Packets

I would like to completely disable UDP packets from exiting or entering my computer(Ubuntu 11.04), how would I go about doing this? What are the downsides to disabling UDP packets? The reason for ...
1
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2answers
149 views

Not able to discover all avilable wifi networks in ubuntu 14.04 & weak signal strength

I am able to see only a single network, which is showing a very weak signal strength and I'm not able to connect to that too. Please find details below. ~$ cat /etc/*release* | grep -i distrib ...
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0answers
11 views

Accessing my Server over the Public Internet

I have installed apache couchDB on my server and ran the following command : HOST="http://commcarehq:commcarehq@127.0.0.1:5984" curl -X PUT $HOST/commcarehq which was succesfull but when I run ...
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0answers
13 views

network connectivity problem in 13.10 ubuntu [on hold]

I recently installed Ubuntu 13.10 as a dual-boot with Windows.My wireless Internet connection is working in Windows but in Ubuntu 13.10 it got disconnected and my browser shows off-line I have tried ...
0
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1answer
3k views

dns configuration problem bind9

Following is my bind9 configuration the domain I want to configure is home.lan it is home network /etc/bind/named.conf.local is following zone "home.lan" IN { type master; file ...
0
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0answers
17 views

Can't connect to Samba server by name

I have an Ubuntu 14.04 file server running Samba 4.1.6. The server is a member of a domain with a Windows 2012 server acting as the primary domain controller. I want to connect to it using Windows 7 ...
1
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3answers
105 views

My website is accessible on my home network but nobody else can access it on the internet

this is my first server I've set up so bare with me if I lack any important details. I have set up my ubuntu server and have my site working on my home network, I am able to see my website on all ...
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0answers
16 views

Unable to connect to Verizon POP Email under DSL

Problem Description Prior to this problem, using Verizon for my standard Telephone connection. Updated my Telephone line to use DSL last Month DSL part working perfect Past two weeks ...
1
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1answer
22 views

access ubuntu server running in virtualbox from outside network?

Is it possible to access ubuntu server running in virtualbox from outside network? I set it up with the bridget network adapter so it has its own IP. I can access my ubuntu server from inside my own ...
1
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4answers
5k views

Can't ssh into server, connection refused

I can't ssh into my server. The server is on a private network administrated by me. Ubuntu is version 14.04. This started when I changed to a wired ethernet card. The client is MobaXTerm (latest) ...
1
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0answers
454 views

Cannot connect to WiFi with Ubuntu 12.04 [on hold]

I have a Dell Latitude E6410 that I cannot get to connect to a specific WPA-Personal Wireless network when Ubuntu 12.04 is installed. What is strange, is that when I have 11.10 (32-bit) installed ...
0
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0answers
11 views

remote CORBA lookup (firewall, port, telnet)

I'm trying to do a CORBA lookup on a LAN from one pc to another. How do I troubleshoot the connection? On the server running glassfish: thufir@doge:~$ thufir@doge:~$ ...
2
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2answers
69 views

Ethernet link not detected in ubuntu 14.04 after update

Since I ran some update in the past week or so, I have not been able to get a wired connection. Specifically: Initially, during boot up, the ethernet link light is on As ubuntu boots up, the link ...
2
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1answer
155 views

Network eth0 DHCP, static ip and autonegotiation issues

Background I am running an Ubuntu Server on 14.04 which is currently up-to-date. I have only one network device connected to it. When I use my Ethernet cord and connect it from the wall to my laptop ...
0
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0answers
14 views

Cannot able to connect to another host

After few self tests, i thought its a telnet-ing problem. So i am recreating a shorter version of this question I have two machines. cassandra is running on one machine. let assume its ip is ...
0
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1answer
30 views

Ubuntu 12.04 In tray Icon -> “Edit Connections…” not clickable

I am use ubuntu 12.04 with gnome-panel, I press network tray icon then Open following small menu, Last "Edit Connections..." not clickable how can I edit my wired and wifi connection?
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0answers
24 views

DHCP server not running

I have this : $ sudo service isc-dhcp-server start isc-dhcp-server start/running, process 7202 $ sudo service isc-dhcp-server status isc-dhcp-server stop/waiting I have two interfaces (eth0 and ...
0
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2answers
5k views

No wi-fi icon/ option in Ubuntu 14.04

After installing Ubuntu 14.04 the wifi icon and option just disappeared. I have tried to reboot it and searching the settings for it, but it does not let me connect to a wifi connection in any way. ...
0
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1answer
21 views

suddenly lost host routing on ubuntu server

i have ubuntu 14.04 server, which installed as a web server. the server also has 35 routing entry. sometimes the server suddenly lost connection to one or two another server, which routing entry has ...
0
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1answer
16 views

How to add local tld to name resolution searches

So in windows, if I typed ping familyroom, it would tell me that my PC in the family room is 192.168.1.61. (DHCP assigned address that isn't in any DNS) I'm running a new install of Ubuntu 14.04 ...
1
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2answers
23 views

DNS stops working after few seconds

When I reboot my Ubuntu 14.04 server (with Zimbra mail system) DNS lookup works a few seconds and then it stops. First I can ping my website but after a minute I cannot, see this: hans@ubumail:~$ ...
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0answers
8 views

MAAS Network and NAT

Here is the case: 1) I have a public network connected to internet LAN #1 2) I have another private network for MAAS and its DHCP and DNS , LAN #2 3) For internet connection i need to enable NAT ...
0
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1answer
24 views

Cannot connect to internet through DAP-1650

Problem I cannot connect to the Internet when connected to my DLink Wireless AC1200 Access Point DAP-1650 via Ubuntu 14.04 Trusty Tahr LTS. I can connect to the Internet when connected to my Netgear ...
0
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1answer
26 views

Wifi problems with rtl8723be in Ubuntu 14.04

I have dual booted my Windows 8 laptop with Ubuntu 14.04. The wifi driver is Realtek rtl8723be. It didn't use to work but I updated the kernel to 3.18 and reinstalled the driver and that seemed to ...
0
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1answer
24 views

cannot access home wireless in ubuntu 14.10

Since i upgraded to 14.10 my home wifi doesn't show up in the list of available networks. I can connect to the wifi by phone, or other computers, but not my laptop. (btw: samsung RV520) I have tryed ...
0
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0answers
17 views

File sharing problems between Macbook Pro and pc with ubuntu 14.04

I have problems communicating my macbook Pro with my pc (running with ubuntu 14.04), i have tried to use samba but nothing happens. My macbook doesn't detect my pc ...
0
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1answer
318 views

Unable to connect to internet on hyper v Ubuntu 14.04

I have set up Ubuntu 14.04 on hyper-v in Windows 8.1. I also have an external network switch linked to Ethernet. The internet and LAN works fine on my host windows 8.1 PC. But I am not able to use ...
0
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1answer
7k views

Opening a port for listening

I have a small program I created. Here is a relevant piece of it: void TcpSocket::ConnectSocket() { socket = new QTcpSocket(this); socket->connectToHost("localhost", 77); ...
0
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0answers
16 views

How can I share my printer on Ubuntu GNOME with a Windows 7 HomeGroup?

I'm using Ubuntu GNOME 14.04 on my desktop computer, which has an HP F4100 connected directly to it via USB. My parents' desktop computer runs Windows 7, which has a HomeGroup set up; my school-issued ...
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0answers
13 views

How can I route certain traffic to a different access point ONLY when I'm connected to a certain network?

I know this is pretty specific, but before I do anything, I want to make sure that what I want to do doesn't brick my system if all requirements aren't met. I have a laptop. I take it to school with ...
0
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0answers
19 views

After system reinstall cannot connect to wi-fi

I am struggling to get my wireless network working again after a re-installation of Ubuntu 14.04. The wireless network was working perfectly before re-install. I followed the same methods as I had ...
0
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1answer
17 views

Can't get the port redirect to work

First of all, I'm very green in ubuntu and now experimenting on my server. Here's the thing, I want my local ip 192.168.1.140:6080 to be accesible from the internet via public IP. Currently I have ...
0
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0answers
34 views

Can't edit connections/connect/disconnet in Gnome NetworkManager applet

since a few days I'm seeing a weird behaviour of the NetworkManager-applet in Gnome. The "Edit Connections" line is greyed out, so I'm not able to call the nm-connection-editor. From the command ...
3
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0answers
133 views

Failed to mount Windows share: Invalid argument

A very similar question has been asked before by robazefa, but no one answered it. For the last month or so, my Ubuntu 14.04 LTS box has been been unable to open a couple of folders shared from ...