Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

0
votes
2answers
1k views

No such command 'sip show peers' when using asterisk

i want to connect two soft phone using asterisk after configuration the sip.conf and iax.conf and extension.conf can't enter any order from cli example of the error: Connected to Asterisk 11.6-cert1 ...
2
votes
1answer
137 views

What are the possible threats if internal IP address is publicly revealed?

In many cases, people do not take enough care to remove their IP addresses from some output before posting it to help forums and Q&A sites like askubuntu. Considering one's IP address is revealed ...
0
votes
1answer
9 views

Can my network use Ubuntu Openstack?

I have a small network of computers, I am migrating from Arch Linux to Ubuntu's OpenStack Platform for usability reasons. The reason I am asking is because of the following: Installing Ubuntu ...
0
votes
1answer
10 views

How to perform detail packet capture on Ubuntu firewall?

I've routed internet traffic of my other systems on this ubuntu linux system where I have configured packet forwarding. but still I am unable to get internet on other systems. Hence I want to ...
0
votes
0answers
9 views

Remote Desktop server that runs on single desktop

I want to be able to remotely connect to a friend's computer when he needs help and control his desktop. Chrome Remote Desktop is too slow because of the use of Google's servers instead of directly ...
0
votes
1answer
9 views

What Type of Network Connection for IP for Nautlus

I am using LTS 14. I am trying to figure out how to Network a device. I don't know what kind of network it is for a location of: 10.10.10.254 with a username/password. Does anyone know what type it ...
0
votes
2answers
30 views

How do I configure proxy on Ubuntu 14.04?

I've installed Ubuntu 14.04, and with I've setup broadband connection, windows 7 allow all internet access, but Ubuntu 14.04 some application access via internet, I can't access Firefox browser and ...
71
votes
16answers
134k views

Command for determining my public IP?

If I check with google, I can see my public IP. Is there something on the Ubuntu command-line which will yield me the same answer?
1
vote
1answer
34 views

Ubuntu UI Toolkit's interaction with my device fails due to SSH protocol capabilities mismatch

Testing my device's (nexus 4 running latest from devel-prosed) connection from SDK->Options->Devices->Test I get: Connecting to host... SSH connection failure: SSH Protocol error: Server and client ...
0
votes
0answers
7 views

Ubuntu 14.04 - scanimage - invalid argument

It seems my Brother MFC-9120-CN is not detected whenever I want to scan an image. The printer works fine, however. The device is directly connected in my local network. ➜ ~ scanimage -L device ...
0
votes
1answer
31 views

ASUS X550C wifi

There is a lot of similar problems, but this one is a bit different. I have no phy0: Wireless LAN Ubuntu: 14.04.1 sudo rfkill list all 0: asus-wlan: Wireless LAN Soft blocked: no Hard ...
1
vote
1answer
369 views

Application stuck in TCP retransmit

I am running Linux kernel 3.13 (Ubuntu 14.04) on two Virtual Machines each of which operates inside two different servers running ESXi 5.1. There is a zeromq client-server application running between ...
0
votes
3answers
56 views

openssh: Permission denied

I am new to ubuntu and just started to configure my first ubuntu server. The problem is with openssh. I made openssh server using tasksel. Forwarded port 22 on router to Server IP. In the local ...
0
votes
0answers
32 views

Network connection problem in ubuntu 14.10

I have just installed Ubuntu 14.10 but not getting Internet connection. Our Internet connection is based on broadband connection provided by our college as a WiFi mode. I saw this on another forum ...
0
votes
0answers
29 views

No wifi after fresh 14.04 install

I've installed a fresh version of 14.04 over my last install. Now I'm unable to connect to any wifi network as there is no wifi network option available under networking.
0
votes
0answers
24 views

wifi wont connect ubuntu 14.04

I know there are so many questions answered on this topic already. I've been researching for a few days now. but none seem to work or are for different drivers. please help me fix this issue. I ...
1
vote
1answer
14 views

Wireless Parental Computer Control

I have recently convinced my brother to join the Linux side. He has 4 kids and wants to me to connect his desktop with their systems for monitoring purposes. What would be the best way for him to find ...
0
votes
1answer
22 views

Route subnet requests from wlan0 to eth0 on Ubuntu 14.04

My raspberry pi is connected via Ethernet to my Ubuntu 14.04 machine (192.168.1.0/24 on eth0). This machine is connected to the Internet through a Fritz Box WLAN Router (192.168.0.0/24 on wlan0). The ...
0
votes
0answers
10 views

Does Ubuntu with Linux 3.5 having TX RX ring buffers or BQL

My uname -a command outputs: Linux Davinci001 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:13:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux So, does NICs with Ubuntu machine is working ...
0
votes
0answers
16 views

Ubuntu File Sharing via Samba: cannot add files to share folder: claims permission denied. Any suggestions?

I am a newbie to Ubuntu. Apologies if this has been asked before: I did try to do some research, and between many websites and trying to find it on here, I haven't had much luck. I'm sorry if I ...
0
votes
0answers
19 views

Error connecting Qt Cretaor to Raspberry Pi using ssh

I have generated a image for the raspberry pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to raspberry pi board it shows the following error. Connecting to host… SSH ...
0
votes
1answer
39 views

Ubuntu 12.04 no wlan0 interface

I installed Ubuntu 12.04 on an Acer e5-571-31KM. Dmesg and lspci output indicate a wireless Network adapter was found, but according to ifconfig there is no wlan0 interface. Unfortunately I have no ...
0
votes
0answers
18 views

Howto: use Ubuntu 14.04 with radius to emulate an ISP

I have an old dual-core machine with Ubuntu 14.04 installed, i decided to make use of it to share internet access for a residence, but i want it on the ISP style, that means a DNS server to resolve ...
0
votes
0answers
20 views

Intermittent and very poor wifi connection on Ubuntu 14.04

I have a brand new desktop PC with Ubuntu 14.04 OS. The Wifi (Using dongle, Mobile Broadband) connection is extremely poor and intermittent. Please suggest solution to fix the issue. Thanks. I was ...
3
votes
1answer
5k views

How do I allow local subnets in ufw?

I recently got IPv6 connectivity at home and now I would like to allow connections to my home server via IPv6 from the LAN only. The trick is that the IPv6 address/prefix assigned to the server is ...
0
votes
0answers
24 views

dhcpd server not listening to second interface

I have a 12.04 server which is happily responding to dhcp requests on eth1 (172.16.1.1). Now I have set-up a second interface on eth2 (172.16.2.1). I can ping this interface all right and even ...
0
votes
0answers
5 views

network isuses stays conected but if i use transmition or steam to download somthing internet stops working

If I use transmission or steam to download somthing steam will say not conected and transmition stops download and says unknown and all net functions stop bit it stays conected but this only happens ...
2
votes
1answer
5k views

Configure second network card/interface

i'm configuring one server (ubuntu 12.04 64bits, with kvm) with 2 card adapters. The first one (eth0) is configured to work with virtual bridge (vbr0) for the DMZ interface. Ho can i condigure the ...
0
votes
0answers
27 views

Ubuntu 14.04 Wired Network Connection does not work

Running Ubuntu 14.04 on my laptop I can connect to the internet wirelessly no problem but when I try to connect to the router via a lan cable I am unable to get a connection. It seems I am unable to ...
0
votes
1answer
19 views

Does ubuntu wifi sharing process support samsung Galaxy Tab 2 10.1?

:) Lately, I have been trying to share my internet to my android tab(Samsung Galaxy tab 2, 10.1) via Wifi hotspot. What I did: I have used KDE network manager to create a wifi(shared) profile with ...
0
votes
1answer
23 views

find and connect to wireless camera

I've got an old wireless camera/baby monitor... (4 years old) Worked with an old windows machine that quit some time ago. On the old windows machine it connected via a wireless dongle and software ...
0
votes
0answers
12 views

TL-WN881ND disconnects within a minute of use

New to ubuntu, need some help with wifi. I've gone through two TP-Link usb wifi adapters (AC600, 'archer', was never supported) and TL-WN727N (appears to have the newer chipset which is as of late ...
0
votes
1answer
18 views

setting up a new wifi in ubuntu 14.04?

Are there any drivers required to setup wifi connectivity using a new router in ubuntu 14.04 like in windows we need extra drivers each and everything ?
1
vote
0answers
11 views

WPA2-Personal Wireless issues

I've been having a major struggle getting my machine connected to my personal network at home. Here is my current setup: I have a Lenovo5536 running Ubuntu server 14.04. I cannot use Ethernet to ...
0
votes
0answers
119 views

Installing Samsung network printer on Ubuntu 14.04

I am trying to install Samsung C410W printer on Ubuntu 14.04, however after 2 days of struggling any success. I tried to install it through "Add printer", through adding printer in CUPS and I tried ...
0
votes
1answer
16 views

snmpwalk -Of does not display textual OID

We are having problem running this snmpwalk on Ubuntu server 14.04. snmpwalk -v 2c -Of -c public localhost Or snmpwalk -v 2c -Of -m SNMPv2-MIB -c public localhost Both of them do not display the ...
-2
votes
1answer
81 views

WI Fi Conected server not found 14.04

help here Im new on this system, i have been using version 12.04 for about a year along with windows XP on a Dell GX 680, i finally decide last week to get rid of windows completely and upgrade to ...
0
votes
2answers
25 views

ip_forward wont stay enabled after reboot

Using Ubuntu Server 14.04.1 LTS I've changed net.ipv4.ip_forward to 1 in /etc/sysctl.conf and when I run sudo sysctl -p it works no problem but after a reboot ip_forward is back to 0. After a reboot ...
0
votes
0answers
13 views

14.04 connects but does not route

After loading Ubuntu 14.04 LTS onto a clean hard drive from a thumb drive with the ISO extracted image onto my HP Pavilion dv7-6b32us, it would connect wireless, but not route or access the internet ...
24
votes
3answers
13k views

What is the difference between Network Manager and 'ifconfig' 'ifup', etc?

Ubuntu seems to provide at least two network "toolsets" (for lack of a better term). I'm running into conflicts between these two. Network Manager Something which is more like the traditional ...
1
vote
3answers
8k views

mount.nfs: access denied by server while mounting

I have a problem I have been googling for at least 6 hours 28 hours with no luck. Whenever I try to mount a directory I get the following error (verbose version at end): mount.nfs: access denied ...
0
votes
0answers
19 views

How can I setup Ubuntu to act as a VPN router?

I have a PC with Ubuntu installed on it. The PC has two ethernet port, I would like to connect to the Cisco VPN server using eth0 and the other port(eth1) to connect to a switch. How can I setup to ...
0
votes
1answer
31 views

What are the IP addresses and port numbers for Ubuntu update sites?

I need the IP addresses and port numbers of the Ubuntu update sites to be able to perform updates on my systems as we can only open specific ports to specific IP addresses. Can anyone help? Thanks in ...
0
votes
0answers
12 views

Can't read permanent MAC address and adapter has no association?

I'm using a Rosewill RNX-n180ube USB wireless adapter on Ubuntu 12.04 64x. I've found two things to be strange that I want to fix. To start, when I put the connection down to use mac changer I get ...
0
votes
1answer
27 views

What could cause “Waiting for network configuration” + 2 minutes unskippable hanging at boot when no network interfaces are configured?

After installation of a bunch of unknown programs (the program causing the problem must have been in the long list of dependencies, /var/log/dpkg.log contains > 38000 entries for the relevant dates) ...
1
vote
1answer
13k views

ubuntu on 14.04 hyper-v connection problem

I recently download the new disk of 13.04 of 32bit. I have Hyper-v on windows 8 64bit. I try to operate 13.04 on hyper-v but i can't connect to the network. I have already set at hyper-v manager that ...
1
vote
1answer
76 views

Unable to connect to wifi or bluetooth on 14.04

I've been using Ubuntu for a long time, no problems until a few days ago. I was installing the Arduino IDE through the Ubuntu Software Center and suddenly the installation got stuck displaying ...
-1
votes
0answers
17 views

Kernel 3.18 causes pptp VPN to fail if UFW is enabled

Folks, I would like to submit a bug ("i think"), but i first wanted to check with this community to: see if it is really a bug, and not a feature or an ID10T error get your advice on what files i ...
0
votes
0answers
22 views

How do I rectify this sharing error?

I've had some difficulties with samba on a new installation. I right clicked on a folder and selected local network share. Samba installation succeeded, but the libpam-smbpass installation following ...
3
votes
3answers
5k views

Ubuntu can see network work group but can't see Ubuntu from windows

Sorry to be a complete noob, just installed Ubuntu and I'm trying to get things up and running. Goal: To connect several drives to my Ubuntu, very old, laptop. This will act as a NAS serving up ...