Questions concerning network connections.

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10
votes
2answers
4k views

Is an Internet connectivity indicator applet available for the Unity panel?

Because my internet connection is very unstable at the moment, I'd like to use a small indicator applet for the Unity panel. Since I'm connected through a WLAN/Wifi Router, I can see in the ...
0
votes
2answers
13k views

Ubuntu Software Center not working - “Check Your Internet Connection”

Whenever I try to install any package, I get the error "Unable to Download Packages", "Check your Internet connection". But the strange part is that I can use synaptic to download and install the same ...
10
votes
4answers
14k views

Problems Connecting MSN with empathy

I don't know if I am the only one with this bug, but I can't use my MSN account with a freshly installed Ubuntu 11.10 with Empathy. It used to work with my Arch Linux, but now with Ubuntu, it ...
6
votes
7answers
5k views

What are common causes for greatly decreased internet speeds?

Two days ago I set my computer up to dual-boot with Windows 7 and Ubuntu 11.04. On windows 7, my download speed averages around 500kb/s, regardless of time of day. On Ubuntu, downloading simple ...
1
vote
1answer
1k views

Mobile broadband slow to be detected

-- UPDATE 1: relevant syslog lines. -- UPDATE 2: a step further. I was able to solve the GSM modem enable failed: (32) SIM PIN required loop specifying the PIN in Network manager > Edit ...
1
vote
1answer
2k views

Internet connection not working although it says it is connected

I have a Toshiba z830 with ubuntu 12.04. I could use without problems the DSL connection (I have no router, only a modem) at home until a couple of days ago: It stopped to work when while connected ...
0
votes
1answer
1k views

Wireless not working on Lenovo B-575

Help, because without internet, Ubuntu is useless. I can't enable wireless. My physical switch is on, it's working in windows, but I just can't enable wireless. I updated my drivers, and when I goto ...
6
votes
2answers
2k views

What should my MAC address be? (now shows 00:00:00:00:00:00)

I have three computers all wired into my router. The box I'm posting this from is running Ubuntu 11.10, and another machine is running Xubuntu 11.10 Both connected automatically when the ethernet ...
5
votes
4answers
6k views

'Activation of wireless network connection failed' error with a BSNL BroadBand modem# DNA-A211-I

I'm getting the message 'Network Connection Failed' frequently when I connect to wifi using 12.04. I was using the same connection without any problems, in Ubuntu 10.04 and Windows Vista. What might ...
2
votes
2answers
5k views

Update Manager reports a “404 - Failed to fetch” for a deb file

Update Manager is reporting this error: Failed to fetch us.archive.ubuntu.com/ubuntu/pool/main/s/software-center/software-center_5.2.2_all.deb 404 Not Found I checked and my Internet connection is ...
1
vote
3answers
3k views

In Wired Connection settings save option is getting grayed out

Each time I switch to manual configuration, of wired connection in Ubuntu 12.10, the save button gets grayed out. As soon as I start setting it in Manually, it gets grayed out.Please help ! One ...
1
vote
2answers
292 views

Why my roommates' connection to the Internet is lost, when I'm connected to our router on Ubuntu?

We have 4 computers in our flat. When I'm starting to use Ubuntu and when I'm connected to our network, at least one of them has connection problems, that is, their connection status says that ...
1
vote
2answers
10k views

How to install Network-Manager after uninstalling it

I hope this has not been covered elsewhere already. It is rather specific an issue, and related to a computer-manufacturer, but I need help for something Ubuntu-related that should be no problem for ...
0
votes
2answers
5k views

My Dell Inspiron 1501 wont connect to any network (wireless or wired)

I just recently installed Ubuntu 12.04, replacing windows vista on my Inspiron and it wont connect to the internet by any means. It won't detect any wireless networks and when I try the ethernet cord, ...
0
votes
4answers
8k views

Update Manager Not working Fail to Download Repository Information

When I try to update, I get this error: Failed to Download your repository information Check your internet connection W:GPG error: http ://ppa.launchpad.net oneiric Release: The following ...
4
votes
2answers
2k views

Can I connect my Ubuntu laptop to my HDTV wirelessly?

There are some devices that allow to connect laptops to High Definition TVs. One good example is Intel WiDi device. The problem is that most of them do not support linux/ubuntu. It would be nice to ...
6
votes
2answers
12k views

What does “ping: sendmsg: No buffer space available” mean?

I had an intermittent issue (which resolves itself spontaneously, after using a different connection for a while) that caused Internet requests to fail, with one particular wireless network. After ...
6
votes
2answers
2k views

Unable to connect to wired DHCP connection via my PC?

Hi As I upgrade my pc to ubuntu 11.10 I can't connect to the wired connection ! It doesn't even find my Device MAC address !!What can I do ? ifconfig -a eth0 Link encap:Ethernet HWaddr ...
1
vote
4answers
13k views

Wireless connection keeps dropping with an Intel 3945ABG card

After updating to 11.10 from 11.04, my wireless connection keeps dropping off from time to time. Now, I already experience this problem when I was using 10.04 (the workaround back then was to ...
6
votes
1answer
524 views

Why does Network-Manager close when it cannot bind to any connection?

When Network-Manager is not able to bind my Ubuntu to any connection, after a while it closes. The icon in the notification area (or indicator area) disappears, and it does not run any more. For ...
3
votes
6answers
3k views

mobile broadband quick connect..how to?

I have a Reliance broadband + mobile broadband connection. It connects fine, but the only problem is it takes more than 2 -3 mins to get the connection started. If I plug in the USB datacard, the ...
1
vote
1answer
3k views

Is it possible to use Windows Internet Connection Inside Virtual Box Installaion

Suppose I install Ubuntu on a Virtual Box, will I be able to use my Windows Internet connection, which is connected through a wireless device that Ubuntu is unable to detect?
1
vote
3answers
5k views

ssh connection “permission denied” message

When I execute the command ssh localhost (in Ubuntu 10.10), it will display the error message "permission denied(public key)." What may be the problem? Is there any problem in sshd_config file in ...
0
votes
1answer
704 views

ubuntu 14.04 not detecting SamsungY Android via usb cable

I had this same problem when previously using ubuntu 13.10, among other issues with my Windows dual boot. So I wiped the hard drive, re-installed ubuntu stand alone, and I still get the same dang ...
0
votes
0answers
96 views

Please help me connect to the internet

I recently installed a TP-LINK TL-WN725N wifi USB dongle. (see Please help me install this USB wifi adapter) The device is recognized by Ubuntu, and I'm able to connect to my home wifi network. I get ...
0
votes
1answer
678 views

Use proxy connection as if it were Direct Connection

I have a proxy internet connection. However some applications I need to run that do not work under proxy, and require direct connection. Is there some way by which my proxy connection behaves as ...
0
votes
1answer
846 views

waiting for network configuration network manager

I recently updated ubuntu to 12.04 and i have 2 problems: 1.) 'waiting for network configuration' shows each time when starting computer 2.) I always have to type in terminal 'sudo ...
7
votes
2answers
5k views

How do I connect to a VPN in GNOME-Shell?

I used to be able to choose "connect to vpn" from the network-indicator in Ubuntu but since I've upgraded to Ubuntu 11.10 I'm only using GNOME-Shell and I can't find anyway to connect to a VPN from ...
2
votes
2answers
750 views

Connection drops after about 5 seconds and is real slow with a Centrino 1030 wireless card

I have a Dell XPS 15 with dual boot windows 7 ultimate and Ubuntu 11.10 and the wireless connection is really bad on Ubuntu, I have 2-5mbps in Ubuntu and keep losing the connection for 5sec, but in ...
1
vote
1answer
162 views

How to connect mobile broadband using terminal? [duplicate]

I configured new-mobile-broadband connection. I know that I can connect by clicking as following: But I want to connect manually to that mobile broadband by using terminal. How to do with terminal ...
1
vote
0answers
182 views

no internet connection, but have signal in wifi

I cannot access yahoo.com, google etc in my browser, but I have signal in my WiFi, how can I access the internet again? Please can you tell me how to configure and solve my problem, Thanks
1
vote
2answers
2k views

Ubuntu 12.10 Modem Connected but no internet

I was previously running ubuntu 12.04 and upgraded to ubuntu 12.10. Previously on 12.04 when I removed my wired ethernet connection and plugged in my 3G modem I was immediately able to browse the ...
1
vote
2answers
515 views

Why does Ubuntu really slow down the rest of my home network?

I have a Ubuntu desktop and a Windows 7 desktop. The Windows 7 machine is connected via wireless adapter and the Ubuntu desktop is connected via Ethernet. The wireless adapter is capable of 300Mbps ...
1
vote
3answers
426 views

How do I prevent Ubuntu One indicator from connecting automatically after login?

I use Ubuntu One together with the indicator for the panel on two differnt laptops (installed the same way). On one laptop Ubuntu One connection is started automatically after login where on the other ...
0
votes
0answers
148 views

Connecting to WiFi using NETGEAR WNA3100?

Just switched from Windows 7 to Ubuntu today. After getting everything set-up, I cannot be connected to the internet as my USB wireless receiver is not working. I have no way of my computer ...