This tag covers anything related to home networking, errors using the official repositories, clouds and system administration. This tag also covers simple internet access issues.

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0
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1answer
1k views

Ubuntu 12.04 Dell 6400 no network

I have just installed Ubuntu 12.04. My network is not working: no wireless, no cable network. There are some posts on forums about it, however I was not able to fix it. It is possible to turn off ...
32
votes
13answers
41k views

List all MAC addresses and their associated IPs in my local network(LAN)

How can I list all MAC addresses and their associated IPs of the machines connected to my local network(LAN)? Any suggestions?
24
votes
5answers
104k views

How do I fix a “Wireless is disabled by hardware switch” error?

I just updated to Ubuntu 12.04 from 11.10 but soon after updating I was disappointed to see that Wireless is disabled by hardware switch. I can not click the button 'Enable wireless' which is ...
26
votes
12answers
26k views

How can I capture network traffic of a single process?

I would like to examine the network traffic being handled by a single process, but simple network captures won't work since I am dealing with such a busy system (lots of other traffic happening at the ...
15
votes
1answer
23k views

Where to set proxy ignore list?

I upgraded to ubuntu 11.10 from 11.04, shocked to see few things... My system is behind a proxy, so I did set a proxy setting. Being a web developer, I want to remove a lot of addresses that I type ...
18
votes
2answers
15k views

Send messages between 2 Ubuntu PCs (Net Send Style)

I am trying to find a way to send a message (like a popup message) from 1 PC to another. both are using Ubuntu. Already tried the smbclient way but this only works between a linux PC to a windows PC. ...
6
votes
3answers
1k views

2 internet connections on a single PC

If I have a wireless and a usb internet connection on my Ubuntu 12.04 as in: At the moment, Ubuntu seems to only make use of the Wired connection which is the usb connection. Is it possible to get ...
9
votes
3answers
39k views

How to set static routes in 12.04 Server

I have used Ubuntu since Ubuntu 8.10; today I'm working with Ubuntu 12.04 Server. I am having difficulty keeping static routes on booting. I would usually put the route commands /sbin/route add ...
7
votes
2answers
7k views

How can I enable wake-on-lan permanently?

I want to enable wake-on-lan for my network cards, for always. The community guide recommends adding the relevant command to /etc/interfaces. In past experiences editing Ubuntu conf files, it's ...
5
votes
2answers
3k views

timeout errors in apt-get update/install

I'm trying to do an apt-get update or apt-get install xyz and I'm seeing timeouts like this: W: Failed to fetch http://eu-west-1.ec2.archive.ubuntu.com/ubuntu/dists/oneiric-updates/Release.gpg ...
3
votes
2answers
5k views

How to connect to the Internet (DSL) automatically at startup?

I also have to enter a password to connect. Not the root password, but a password I created for the DSL connection when installing Ubuntu. So I would like to get rid of the password and connect ...
3
votes
2answers
8k views

AR9285 Wifi on Lenovo z570 not enabled

Help please. Installed ubuntu 11.10 32bit on lenovo ideapad z570. When choosing Network Manager > Enable Wireless nothing happens. WiFi not enabling Tried the response of Wireless problems with ...
2
votes
3answers
9k views

Broadcom BCM4401-B0 100Base-TX Issues

I installed Ubuntu 10.10 on my Dell Inspiron 1521 and the LAN/Ethernet card was working perfectly but Ubuntu was displaying a message about not installing the Wireless drivers because it was ...
64
votes
0answers
87k views

How can I find my public IP using the terminal? [duplicate]

I am on DHCP, having dynamic IP. Finding your public IP when using a GUI and a browser is extremely easy. Simply go to Google.com and search for "What is my IP". Google will display it in the very ...
6
votes
1answer
8k views

Network indicator disappeared in Lubuntu [closed]

I just upgraded to Lubuntu 14.04 from 13.10 successufully, via do-release-upgrade. But after reboot, I found that the network indicator has been disappeared, so I cannot switch different network ...
5
votes
4answers
8k views

Wireless disabled by hardware switch

I'm using Ubuntu 13.04 and I have ASUS X550V laptop. This is my rfkill list: 0: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-bluetooth: Bluetooth Soft blocked: no ...
5
votes
1answer
1k views

While using internet on ubuntu, all other computers get bad internet connection

I am currently using Ubuntu 10.04 Precise (in dual boot with Windows 7). Whenever I log onto Ubuntu Internet, all other computers Internet speeds plummet. Usually we have 20 Mbps download and 2 ...
3
votes
7answers
9k views

WI-FI doesn't work (Hard Blocked)

Yesterday I installed Ubuntu 12.04 for the first time (I've always been a Windows user) as I was at the office and I had the Ethernet connected. At home I only use WI-FI. When I started Ubuntu it ...
2
votes
1answer
4k views

No wired or wireless networking available on Ubuntu 12.04 (wired work from LiveUSB)

I've just installed 12.04 in a dual boot with Vista via a LiveUSB. When I booted to the LiveUSB wired networking worked out of the box, and wireless networking didn't work. Now that I've installed ...
2
votes
2answers
3k views

Need a few reboots to connect to wireless

I am running xubuntu 12.10 on my msi wind U100 netbook. I have a problem with the wireless connection. Whether the wireless connects automatically to a known wifi hotspot (both at home and ...
2
votes
3answers
6k views

How to enable file sharing between two PCs?

How to enable file sharing between two Ubuntu Oneiric PCs. I have installed Samba both machines I have changed permissions to all create guest accounts file is in home folder Why cant I see shared ...
2
votes
3answers
3k views

How can I configure my server so that my domain points to it?

I have bought a domain name (without hosting), and at home I have a static ip address on Ubuntu server 11.04. How can I redirect users to my web server at home? What configuration needs to be done?
1
vote
1answer
4k views

Lenovo b570 Broadcom Corporation BCM4313 wireless doesn't work

prumar@bluelaptop:~$ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: ideapad_wlan: Wireless LAN Soft blocked: yes Hard blocked: no 2: ideapad_bluetooth: Bluetooth ...
8
votes
11answers
43k views

Wireless is disabled by hardware switch on Dell Inspiron 1750

I have a problem where Ubuntu (12.04) says there is a wireless network card, but it is disabled by a hardware switch. How do I turn it on? I checked the BIOS, and the wireless card is enabled there. ...
5
votes
8answers
42k views

How do I set up an MTS MBlaze modem?

I have a new MTS MBlaze Broadband modem USB and it is not getting detected in my Ubuntu 10. 04. It is getting detected as an USB but not as MODEM as result I am not able to create a MOBILE BROADBAND ...
4
votes
0answers
36k views

Need software like 'Internet Download Manager' [duplicate]

Possible Duplicate: Can someone recommend a download manager? Is there any software in Ubuntu like "Internet Download Manager" that downloads audio, video, documents, and software with ...
3
votes
1answer
4k views

Mobile broadband sharing over adhoc wireless

I have a Huwaei modem (E1820 to be precise) that i use for my internet whims and fancies. But what I want to do is set up an adhoc wireless network so another device can connect to my network and in ...
3
votes
3answers
3k views

Cannot install driver for a Wimax modem

I'm trying to run a program via wine. This is a wimax modem (Qubee bd) Green Packet uh-235. But when I click the qubeewcm.exe I receive the following error message: runtime error(at-1:0): cannot ...
3
votes
1answer
10k views

How to redirect a URL to a custom IP address?

I have an Ubuntu machine that I'm using as my home Internet router. It uses a USB mobile broadband modem as its Internet connection, and shares this with another router (via the router's "Internet" ...
2
votes
2answers
6k views

13.10 BCM4313 network problems after update

I have a problem with my network adapter after upgrading from 13.04 to 13.10. The adapter works for literally several seconds after I establish the connection but then it looks as if it got clogged ...
1
vote
1answer
7k views

No Wireless In Ubuntu 13.10

When I upgraded to Ubuntu 13.10, I can't connect to wireless. The only thing I can connect to is ethernet, so please help me, What should I do? Here is the output of the lspci -nnk | grep -i net -A2 ...
1
vote
3answers
7k views

Broadcom BCM4331: “device not ready firmware missing” error

Just installed Ubuntu 12.04 and I can't connect to my wireless network. My network doesn't even appear. I have a message it says: device not ready firmware missing. This is what I get when I ...
26
votes
2answers
3k views

How to run a script every time internet connects

I often mount a remote drive using sshfs. I would love to have this mount automatically. However, if I mount it in my .bashrc or startup scripts, the mount often fails because my wireless internet ...
9
votes
3answers
26k views

KVM Bridged Network Not Working

I just installed KVM on my Ubuntu Server according to this guide : https://help.ubuntu.com/community/KVM/Installation Then prepared a bridged network as shown in here : ...
19
votes
3answers
8k views

How can I see what ports are open on my machine?

I would like to see what ports are open on my machine, e.g. what ports my machine is listening on. E.g. port 80 if I have installed a web server, and so on. Is there any command for this?
15
votes
4answers
11k views

How to find unused IP Address on a network?

I just want to find out unused IP Address on a network. I think it is possible with nmap. Can any one say me the way pls? Note: I just need the free IP list alone.
21
votes
3answers
15k views

How do you test the network speed betwen two boxes?

I have gigabit network setup in my house and few Ubuntu based boxes. Out of complete curiosity I would like to check the speed between the two boxes. I am not having any problems with speed or ...
11
votes
7answers
29k views

How to run “sudo apt-get update” through proxy in commandline?

In my office i want to update and download through (wget) and here they are using proxy? How can i do this by commandline?
18
votes
5answers
11k views

Can't connect to WPA2 Enterprise PEAP

My university uses WPA2 Enterprise encryption for students to login their wireless. In NetworkManager I have keyed in everything that they needed Security : WPA & WPA2 Enterprise Authentication ...
14
votes
6answers
9k views

Why is my Internet connection randomly dropping?

Ever since I have installed 12.04 (clean install not an upgrade), I have been having a drop in the Internet connection. The drop in the connection can be anything from 15 seconds to about 3 mins, and ...
13
votes
2answers
12k views

How to set up dual wired and wireless connections?

My laptop has both wireless and a wired connection capabilities. Can I connect to a router A using wireless and a separate router B using wired ethernet at the same time without having to switch back ...
5
votes
1answer
26k views

Can not access Internet (DNS names do not resolve) after update today

I have been using Precise for a few weeks now for work with no problem. Today, I am not able to access any website using either wired or wireless connections. I installed the updates today which ...
10
votes
4answers
19k views

Network not starting up on boot

Basically my network won't start. Can't use wired connections. To make it a further brain-scratcher, when booting into recovery, and using the network console, the network comes up and works. Outside ...
6
votes
8answers
36k views

Wireless shows up as disabled, how can I get it working?

$ sudo iwconfig lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11bg ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm ...
4
votes
3answers
18k views

How do I set up file sharing between two Ubuntu laptops on my wireless network?

I have two laptops running Ubuntu 12.04. Both connect to the same WIFI network to access internet. How do I connect them to each other so that I can access files on one from another and vice versa? ...
10
votes
4answers
6k views

How do I configure WiFi to log in to WPA at boot time, regardless of user being logged in?

How do I set a system wide wireless WPA password that starts at boot time, allowing me to SSH in to the machine from outside, for example? I'm running mythbuntu. Until I log in, WiFi doesn't connect, ...
9
votes
2answers
1k views

Is it possible to auto-mount sshfs

Is it possible to auto-mount a remote FS using sshfs upon instantiating a proper VPN connection? Allow me to explain the scenario, I'm working remotely, to do that it helps if I can mount my home dir ...
4
votes
1answer
3k views

Trouble Installing 12.10 on a GA-990FXA-UD3 Base Machine: Network and USB Don't Work

I've spent two days pulling my hair out trying to get Ubuntu to install correctly on a new machine I built using a Gigabyte GA-990FXA-UD3 motherboard. Ubuntu seems to install fine, however, neither ...
4
votes
3answers
6k views

Is there a way to get Broadcom 802.11ac WiFi (43b1) working on Ubuntu 12.10?

I have a dual boot of Windows 8 / Ubuntu 12.10 on an ASUS G75VX with Broadcom 802.11ac Network adapter device 43b1. It seems that there exists no drivers for this adapter. I have done all of the ...
3
votes
2answers
4k views

Drivers for Broadcom BCM43142 on Ubuntu 14.04 (Trusty Tahr)

I am not able to install drivers for my Wi-Fi + Bluetooth card (Broadcom BCM43142). What I have done till now: I have tried using the drivers at this website. I tried following the instructions ...