Questions concerning network connections.

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12
votes
2answers
7k 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 ...
11
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 ...
11
votes
3answers
23k 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 ...
8
votes
5answers
6k views

Why can't Ubuntu access my Raspberry Pi across LAN?

Okay, I recently got a Raspberry Pi, and I got it connected to my Wi-Fi - I enabled the SSH and installed Hiawatha, and I could access it just fine from my Desktop, which was running Puppy Linux at ...
7
votes
3answers
12k views

Why is Steam not able to connect Steam-Network?

This is the output when I try to start steam. It closes with the Message "Keine Verbindung zum Steam-Netzwerk möglich..." (No connection to Steam-Network...) Removing appcache didn't help so far. ...
7
votes
2answers
4k 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 ...
7
votes
2answers
6k 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 ...
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 ...
6
votes
2answers
1k views

Does the Ubuntu One sync work?

I have been on this for several hours now, trying to get a simple second folder to sync with my (paid) account. I cannot tell you how many times I removed all devices, removed stored passwords, ...
6
votes
1answer
11k views

Ubuntu 12.04 LTS - Apple iPad 3 (iOS 7 non-jailbroken) USB connection problem

I've bought an Apple iPad 3 (iOS 7 non-jailbroken), and I'm trying to connect it to my PC running Ubuntu 12.04 through the original USB cable. After I plugged in the cable, I got this message on the ...
6
votes
2answers
3k 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 ...
6
votes
1answer
582 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 ...
5
votes
4answers
8k 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 ...
5
votes
4answers
6k views

Is it possible to use nmcli completely without nm-applet?

Since I don't use GNOME now and try wmii, the nm-applet is no longer available for me.I know there is nmcli for the control. What I'm really interested in is that can it really be a substitute for ...
4
votes
1answer
1k views

Why do Ubuntu Servers connect to likho.canonical.com:80?

We have some Ubuntu 12.0.3 servers in our network and I can see several denies per day on our physical firewall. The Ubuntu servers are attempting to connect to 91.189.91.15 (likho.canonical.com) ...
4
votes
4answers
12k views

Strange connections by gvfsd-http --spawner

For a little while now, a strange connection has been showing up on my netstat made by the command: /usr/lib/gvfs/gvfsd-http --spawner :1.1 /org/gtk/gvfs/exec_spaw/2 By the time I notice it, the ...
4
votes
2answers
6k views

Problem Internet connection Ubuntu 12.04 Server (trough VirtualBox)

My final goal is to access my web projects trough external network. So, I have : Internet connection trough wireless router (ISP's IPs are internal, so and the IPs which the router sets to my ...
4
votes
3answers
2k views

Setting up Gmail and Thunderbird in 11.10

I am trying to setup my Gmail with Thunderbird. I put in the details, the imap and smtp settings were filled in automatically. They were correct I checked. Initially when I clicked on done, to ...
4
votes
2answers
3k 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 ...
4
votes
1answer
1k views

How to share an Internet connection over Bluetooth from the Phone to the PC

I am on vacation and have a phone (N900) with an Internet connection. I have no Internet connection for my laptop. I'd like to connect the phone and laptop over Bluetooth (second choice: per USB ...
4
votes
4answers
283 views

How can I trigger something once I connect to internet?

I wonder how can I make the machine do something each time it connects to internet ? like checking for updates once I'm connected to internet ? Thanks
4
votes
1answer
535 views

How can I prioritize wireless networks with network-manager

Mostly I use my laptop in an environment where different wireless networks are available and I would like to preferably connect to one of those and only fall back to the other one if that one is not ...
4
votes
2answers
948 views

How do I tether to a Nokia E61 mobile phone?

I have a Nokia E61 mobile phone with 3G internet connection. When I connect it to the computer via USB cable and choose IP pasthrough, this line appears in the list of network connections: Wired ...
4
votes
1answer
5k views

Lenovo IdeaPad z570 wireless adapter isn't working properly in Ubuntu 12.04

So, the anamnesis: Machine: Lenovo IdeaPad z570 WiFi-adapter: Intel Centrino Wireless-N 1000 OS: Ubuntu 12.04 $ uname -a $ Linux username-Ideapad-Z570 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 ...
4
votes
1answer
1k views

Open port 5000?

Yesterday I tried to use this heroku command: heroku run db:migrate and after a long wait it said that it was in timeout After many tries I've googled about this and I found that, since also other ...
4
votes
1answer
551 views

ssh: connect to host github.com port 22: Connection refused

So I followed the guide on how to add a SSH key to GitHub, and added a new SSH key with a passphrase to GitHub and the SSH agent. Now, if I run ssh -T git@github.com as described in the guide to test ...
4
votes
1answer
2k views

Unable to login to steam ; Steam is having trouble connecting to the servers

Since Steam came out on Ubuntu (official) I've installed it and tried to log in but it didnt work at that time. I thought the servers were offline and I would try it later again. Steam is giving me ...
3
votes
2answers
451 views

How to check if I can connect to a server port?

I have a Riseup account, but I just can't get the SMTP to work. I have tried all the tutorials, nothing. Neither Thunderbird nor Sylpheed work. Then I thought that my ISP might be blocking the ports ...
3
votes
3answers
5k 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 ...
3
votes
3answers
700 views

How to determine which WiFi technology is currently used in connection?

I would like to check which 'technology' (a/b/g/n) is currently used by my WiFi card for the connection and to check which standards it can use. How can I check that ? EDIT Alright, I have tried ...
3
votes
2answers
3k 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 ...
3
votes
1answer
110 views

How to connect to a laptop running Ubuntu on the same home wireless network?

I am running Ubuntu 14.04.1 LTS 64-bit on both of my laptops and they are both connected to the same home Wi-Fi at the moment. I want to connect to the other computer via one of the computers, say ...
3
votes
2answers
17 views

system log question- auth.log

I'm pretty new here. I was looking at my system logs and noticed this: Jul 21 00:57:47 htpc sshd[13001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= ...
3
votes
1answer
255 views

Ubuntu 14.10 can list Wi-Fi but won't connect

I have Ubuntu installed on my SSD and moved it around to boot different PCs. I was using it on my laptop which has a builtin Broadcom card and it was working as expected. One day, it stopped working. ...
3
votes
1answer
4k views

Pidgin will not connect to MSN any longer

About 3 weeks ago, pidgin stopped connecting to the MSN network and I get the "Connection error from Notification server: Connection refused" message. This issue occurs in both my Ubuntu 12.04 machine ...
3
votes
4answers
2k views

Ubuntu 12.10 no network devices detected

I installed ubuntu 12.10 on my Dell Vostro 3460 and no network devices are detected (ethernet and wireless). when I run lspic, I see: 1:00.0 Network controller: Broadcom Corporation BCM43142 ...
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 ...
3
votes
1answer
331 views

Losing SSH connection when exiting from the main console login

I have installed openssh-server from Synaptics, as usual, on a brand new Ubuntu Desktop computer, 10.10, with all updates and patches implemented. If I have the local console logged in, I can SSH to ...
3
votes
2answers
13k views

Ubuntu 14.04 Network Problem

I have an issue with my Ubuntu 14.04. I am able to connect to wireless networks without any problems, but when I am in my Dorm Room, I cannot connect to my wired Internet connection. It works fine ...
3
votes
1answer
394 views

How to set two runing internet connections at same time?

As the title say, I can't find the option how to set two internet connections running at same time. The problem is, when I want to watch IPTV (ethernet connection) and browsing on the internet (wlan ...
3
votes
3answers
2k views

Connecting to Internet Through Another Computers Connection

I have an old laptop running Ubuntu 10.10 (server edition) that I want to connect to the Internet, but it's Wireless card isn't working properly, so on the recommendation by a friend, I tried to ...
3
votes
0answers
3k 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
votes
0answers
2k views

Bluetooth is not working properly on a Dell XPS 15 [closed]

I have Dell laptop (xps 15-sandy-bridge). I was using Ubuntu 11.04 and the Bluetooth was working properly. However, once I installed Ubuntu 11.10 the Bluetooth my laptop can detect Bluetooth devices ...
3
votes
2answers
427 views

any software and ubuntu can't conect to internet (i leave my output, but in portuguese…)

This is what happens when i do "sudo apt-get update"... :s and it is NOT the temporary error, as far as I understood...i tried everything... Algo estranho aconteceu ao resolver 'proxy.e-u:8080' (-5 - ...
2
votes
2answers
10k views

Get a list of network connections my machine is making

On Ubuntu, how do I get a list of network connections my computer has made in the last few days? Is there a easy way to do this?
2
votes
5answers
4k views

How to get the connected wifi network ssid?

I want to obtain the currently connected wifi networks ssid in a bash script. I am trying to write a backup script where the script will perform a backup to a NAS server if it's connected to my home ...
2
votes
1answer
322 views

Difference in Ubuntu One sync-speed between Natty and other versions?

I was wondering if anyone had had the chance to compare performance between Ubuntu One upload speeds on Natty Narwhal and any other version of Ubuntu? Also, any difference on how well it connects? ...
2
votes
2answers
76 views

How to get connection to both wifi as well as LAN in ubuntu 14.04 LTS?

On my Ubuntu 14.04 LTS laptop, I have a LAN connection with a static IP address as well as a WiFi connection to the internet using DHCP. LAN connection goes to a switch and WiFi connection from a WiFi ...
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 ...
2
votes
4answers
15k 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 ...