Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

4
votes
2answers
6k views

Duplicate ping response when running Ubuntu as virtual machine (VMWare)

I have the following setup: My router - 192.168.0.1 My host computer (Windows 7) - 192.168.0.3 And Ubuntu is running as virtual machine on the host. VMWare network settings is Bridged mode. I've ...
1
vote
1answer
2k views

Why can't I create an ad-hoc wireless network using Intel 4965AGN?

I'm running Ubuntu 11.10 and I want to create a ad-hoc wireless network. I get that my wireless card (INTEL 4965AGN) apparently does not support the ad-hoc mode: $ sudo service network-manager stop ...
1
vote
4answers
699 views

static ip - what am I doing wrong?

the problem here is: when I'm using DHCP, everything works just fine. I'm changing /etc/network/interfaces to use static ip like: iface eth0 inet static address 192.168.0.200 netmask 255.255.255.0 ...
4
votes
2answers
5k views

Internet Connection Sharing connect/disconnect loop

I am trying to share my Ubuntu 11.10 internet connection via my wireless to another computer via ethernet. When I try to share them I get this endless "Connection Established"/"Disconnected" loop. ...
0
votes
1answer
843 views

Change the verbosity of wpa_supplicant when managed by network-manager/dbus

wpa_supplicant writes to /var/log/syslog. You can run it with option -d or -dd to add verbosity, but it is started automatically by network-manager/dbus so you don't get to enter your own options. How ...
2
votes
2answers
5k views

Share my DVD drive with my Mac Mini over LAN

I've got a Mac Mini that doesn't have a DVD drive. Apple says you can share a DVD drive over the network, but their "magical" approach only works with Windows and other Macs. ...
2
votes
1answer
1k views

how can i turn network interface (localhost) on?

localhost is off on my machine. it's described in my /etc/network/interfaces: auto lo iface lo inet loopback auto eth1 iface eth1 inet dhcp but when i run route route -n" with wireless off I ...
0
votes
1answer
426 views

What did I do to make Ubuntu fail to attempt to connect to one specific IP address?

I have a very weird problem. I am running 11.10 on one of my computers which has the primary purpose of running XBMC. This computer cannot connect to mirrors.xbmc.org, which has addons, updates, etc. ...
1
vote
1answer
842 views

How do I enable the wireless card automatically without using fn + F5?

I have a problem with my keyboard and I can not enable my wireless because the fn + F5 does not work. I can enable the wireless card on Ubuntu without this key (fn + F5)? OS: Ubuntu 10.04 LTS - Lucid ...
0
votes
2answers
214 views

How to use my public IP?

I want to set up my PC with public IP settings. I tried to set it by adding it in 'Edit Connections' as I do with the Win PCs in my office. But http://www.whatismyip.com/ reports the IP of my proxy. ...
8
votes
5answers
17k views

When Ubuntu Server restarts eth0 Doesn't come back up

Every time I restart my Ubuntu Server 11.10 I can't ssh into it because ETH0 doesn't come up automatically. I never had this problem before upgrading to 11.10. I have to login to the server and start ...
2
votes
1answer
668 views

Using two ethernet connections (Internet enabled) simultaneously

I have searched and read over the Internet and also on askubuntu. I am using Ubuntu 11.04 and my question or the thing that I want to achieve is efficient use of both the connections and thus ...
1
vote
1answer
242 views

Wifi can't connect before wired. How to diagnose what could be going wrong (which logs, etc)?

I think this is a problem related to another I've had, but here's the first situation: When I boot up and connect to wireless, I am told I connect to my wireless network. However, I am unable to ...
0
votes
1answer
314 views

What could cause network lag (after latest update)

I got very different timings from script accessing gdata (Google servers) on Windows and Ubuntu on same machine and thought to compare ping google.com results: x-axis: packets y-axis: ms Ping ...
5
votes
3answers
4k views

How can I set up a Dynamic DNS fetching service on Ubuntu Server?

I've created accounts and hostnames within my http://no-ip.org/ account, which is by far the most commonly used service for my type of server. Can somebody walk me through the configuration process ...
0
votes
2answers
6k views

No internet access when I'm connect to my company's VPN

I googled my problem and I've read some questions in Ask Ubuntu, but I didn't solve my problem. I connect to a PPTP VPN server and it works well, but when I'm connected to that VPN I don't have ...
0
votes
1answer
437 views

Blackmagic intensity pro is a virus. It crash motherboard + PCI + USB devices [closed]

Blackmagic intensity pro is a virus. Do not buy this card anymore? I bought a card and it crashed my whole system. I cant see network anymore getting up. I tested this with: Ubuntu 10.04, 11.04, ...
0
votes
3answers
1k views

Network is not working nicely

Well, I've got a wired network on my Ubuntu 11.10 fresh installation. I can download files and surf the Internet. Problem is that sometimes it takes much time to load websites and sometimes it gives ...
0
votes
0answers
2k views

No buffer space available [duplicate]

Yesterday I've got first in my Ubuntu experience error "connect: No buffer space available" when trying to ping some host, which I do not have a connect at the moment. The issue rises when I use wimax ...
2
votes
2answers
471 views

route table explanation

I'm a newbie. Recently I used the command ip route ls to print my route table. Here is the content: 111.211.3.192/26 dev wlan0 proto kernel scope link src 111.211.3.205 metric 2 I'm curious about ...
2
votes
1answer
301 views

Is it possible to disable the automatic download of updates when the internet connection is through a 3G dongle?

Is it possible to disable the automatic download of updates when the internet connection is through a 3G dongle, while still downloading them in the background when the connection is via WiFi or eth0? ...
3
votes
1answer
952 views

Shape incoming traffic using tc (and IFB?) on a NAT ed interface [closed]

I have an Ubuntu machine acting as a router/Stateful Firewall/NAT for my internet connection. It has a couple of ethernet ports and a wireless network for my home network (eth5, eth7, eth10 and ...
2
votes
4answers
4k views

Picasa would not log into my account

I have installed Wine on 11.10, but for some reason Picasa does not detect the internet connection, which exist system wide, except for Picasa Any suggestions? Hi, I have reinstalled picasa 3.0 for ...
0
votes
2answers
5k views

Network Problem with Ubuntu 11.10

I have a lot of network problems since I made the upgrade to the 11.10 In our company, We have 3 computers upgraded to the 11.10. Every one of this have network problems. The other computers are ...
7
votes
1answer
3k views

Default route lost on reboot

After upgrading to 11.10, my system is "forgetting" the default route to the internet every time the machine gets rebooted. It "remembers" the route to the office (on a second NIC). In my ...
1
vote
3answers
589 views

How to detect data on a specific port?

I am writing an app for my phone which streams data to a specific port, but I am having problems and looking for a way to listen to a port on my Kubuntu 11.10 machine for incoming traffic. Does ...
3
votes
1answer
468 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 ...
1
vote
2answers
1k views

Network Printing Requires Authentication

I am trying to print a PDF on an Ubuntu, and the printer is hooked up to my Windows desktop. Everything is going fine, but when I test-print a page, it asks me for authentication. The default username ...
1
vote
0answers
451 views

How to connect to a wireless router [closed]

I upgraded from 11.04 to 11.10 and used a wired connection to do this. Now I cant connect to my wireless router. How do I set this up?
4
votes
2answers
6k views

Ethernet-WiFi bridging with 11.04

I'd like to set up a bridge between a wireless subnet and an Ethernet subnet (actually just one client, a DVD player with absurdly poor wireless). That is, the wireless network is the "real" network, ...
5
votes
2answers
14k views

Connecting to Windows7 share gives mount error

Hi I am having trouble with Ubuntu 11.10 to the workgroup containing windows computers. I am getting this message when I click on the workgroup I want to access from the Ubuntu Network interface: ...
1
vote
1answer
544 views

No active connections found! Ubuntu 11.10

I upgraded from 11.04 to 11.10, and that was working fine for days. Then I responded to a notification that there were software updates for 47 packages. I ran Software Update and the next time I ...
11
votes
3answers
18k views

How do I connect to a server with thunar in Xubuntu?

In Ubuntu running Gnome 2 you were able to select "Connect to Server" from the Places menu and you would get a graphical connection to whatever server you connected to. Example: How can you do ...
4
votes
1answer
2k views

How do I setup DHCP-Server interfaces so they are mapped/bridged to each other?

I have recently setup a DHCP-Server on an Ubuntu 10.04 server machine. The machine has two interfaces (eth0, eth1). I have the DHCP server setup correctly because computers connecting to the network ...
0
votes
1answer
820 views

Unable to connect to the Internet via LAN despite the connection showing as established

I have installed Ubuntu 11.10. I am facing a problem connecting via LAN. We have a firewalled network. After entering static IP, gateway, DNS, etc., it shows connection as established but we are ...
1
vote
1answer
1k views

How do I make the system-wide proxy settings bypass the proxy for local addresses?

I set global proxy settings via System Settings>Network>Network proxy I set the Socks host. All apps, including the command line apps successfully picked it up. But its a problem with ...
5
votes
2answers
2k views

Why does 11.10 wait for network config when everything is static?

I'm one of the many confused by the new several minute delay when booting an upgraded Ubuntu 11.10 system. I have two NICs, both with static IP addresses, plus lo and nothing else (that I know of). ...
2
votes
1answer
4k views

Simple NAS setup for Ubuntu

So, I want to connect my shiny new NAS (QNAP TS-210p II) to my Ubuntu 11.10 box. I have a 2nd Ubuntu machine, but I don't use that enough to be too worried about it. Use is ideally to offload all ...
1
vote
1answer
691 views

How can I fix the slow performance of my Marvell Yukon 88E8052 ethernet controller when using the 11.10 default driver?

I have a Marvell Yukon 88E8052 ethernet card which they support with an official driver called sk98lin. On both Ubuntu 10.10 and 11.10 I get the following results on http://speedtest.net when using ...
3
votes
1answer
582 views

Find out whether network connection is full or half duplex

How do I find out whether a network connection is full or half duplex?
2
votes
3answers
4k 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
0answers
115 views

Share folders from Guest OS to Windows Host OS Virtualbox [duplicate]

Possible Duplicate: Shared folder virtualization in Ubuntu 11.10 So most articles are focused on the Virtualbox forcing a folder into the Guest OS. I want to do the opposite, share a ...
4
votes
2answers
3k views

Unreachable IP on local subnet

I have a network printer at 192.168.2.101 that I can reach just fine with other machines on my network (ping and access the printer web server). For some reason I can't access the printer from my ...
2
votes
1answer
528 views

Is it possible to setup a DHCP server only for local virtual machines?

I have a quick question. I have a bunch of virtual machines (VMWare Workstation) running on an Ubuntu server and have found that VMWare NAT (DHCP) service is unreliable and slow. I have to use NAT ...
3
votes
1answer
111 views

How can I see net traffic in the apps bar?

I have a question. How can I see net traffic in the apps bar? Do I have to install something? I don't want to analyze the traffic, just see if its having incoming/outgoin data transfer. Thxs!
1
vote
2answers
1k views

How can I configure Mythbuntu 11.10 to wait for a DCHP lease before completing boot and starting network dependent apps?

I have a clean install of Mythbuntu 11.10 acting as a frontend only. It is networked using eth0 and I have a router acting as a DHCP server on the same subnet. The frontend boots and automatically ...
1
vote
0answers
47 views

Make different applications to use different connections [duplicate]

Possible Duplicate: bind software to different network interfaces Is it possible to get an application like transmission to use the mobile broadband connection and say chrome to use the ...
0
votes
2answers
2k views

Frequent disconnects using wlan AR9285

I'm getting a large number of disconnects from my wireless when I switched to oneiric server (I did not see these happen with oneiric desktop) from my AR9285 wireless LAN device. Here is the syslog ...
16
votes
1answer
26k 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 ...
2
votes
1answer
252 views

Network Storage Device No Longer Accessible After 11.10 Upgrade

After upgrading to 11.10, I lost access to my Network Storage Device (NSD). I had access earlier in the day before upgrading. It sees the NSD but bombs out trying to access it. I get Unable to ...