Managing and using network connectivity on a Ubuntu system

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My laptop can not access internet after setup bridge with wired NIC and wireless NIC [closed]

I setup a bridge using wired NIC and wireless NIC in order to make wireless NIC as a Wi-Fi AP to share wired internet access, after setup successfully, the Wi-Fi AP works as my expectation, but my ...
0
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1answer
817 views

Weak signal even if I'm only 5 meters away from my modem

I'm having kind of a weak signal on Ubuntu, about 2 bars (I have a laptop), when i go on windows it really gets quicker (5 bars). What may cause this? My wifi worked as soon as I installed Ubuntu so i ...
2
votes
2answers
5k views

Is there a GUI app to setup and toggle hostapd?

Title says it all, I've tried wifi-hostapd-app but I always run into trouble while installing one of its dependencies, dnsmasq specifically. I read one of the workarounds is to disable Ubuntu's ...
0
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1answer
3k views

How to change wlan0's channel

When setting the channel to wlan0, I get an error: SET failed on device wlan0 ; Device or resource busy. I tried to shutdown wlan0 by: sudo ifconfig wlan0 down and wlan0 did not appear in the ...
0
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1answer
312 views

How do I format the output of nmap to display on conky?

I want to add to the network section of conky a list of all hosts and ips for my network. However I do not know how to format the output in a way I like. I want Live Hosts However this is on the ...
0
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1answer
1k views

Windows cant see Ubuntu

I upgraded to Precise Pangolin 12.04 and my Samba file sharing FROM windows has stopped. Windows Vista has worked o.k. in the past. Now Ubuntu can see files on a Windows Vista computer and an XP ...
6
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4answers
11k views

Is it possible to connect to multiple VPN networks at once via Network Manager?

Is it possible to connect more VPN networks at once via Network Manager? I am running Ubuntu 12.04.1 LTS. For now I am only able to switch between preconfigured VPN connections. It`s quite annoying ...
0
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1answer
979 views

Unable to install software for Huawei EC169 CDMA USB Modem

I'm using this Huawei EC169 CDMA USB Modem that's provided as a standard by PTCL in Pakistan when it comes to 3G connectivity. The issue I'm having right now is that I have tried installing the Linux ...
0
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1answer
348 views

Ubuntu Server Takes time to resolve website name but not IP address in wget command

I have ubuntu server 12.04 LTS . When i fetch something over the internet using wget command. It easily starts when i give address like wget 100.100.100.100/index.html means ip address. it immediately ...
4
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1answer
4k views

12.04 - network manager not started at boot

I am on Ubuntu 12.04, 64-bit, fresh install. I have a wired connection (eth1 interface), the IP address is assigned by DHCP, and PEAP authentication (wpa_supplicant) is set up. My problem is that ...
2
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1answer
812 views

Accessing network shares

I'm looking for some help on how to connect and mount network shares on my current install of 12.04. The fileserver shares that I'm trying to access are on a Solaris 11 system using ZFS. Just ...
4
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1answer
590 views

Is there a way to suspend without turning off network?

This is a simple question. Is there a way to set the Network manager to not shut down when going in to suspend mode?
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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
3answers
2k views

WiFi slow sometimes, reboot helps, how do I debug it?

Ubuntu 12.04.1 with all updates installed. Laptop Lenovo Thinkpad X230 with Intel Corporation Centrino Advanced-N 6205. WiFi sometimes becomes extremely slow. Often this occurs when I wake the system ...
0
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2answers
136 views

Which command can be used to configure a router to reject the address for example 192.168.100.0/24 network using the route command?

Which command can be used to configure a router to reject the address for example 192.168.100.0/24 network using the route command
1
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1answer
167 views

Pinging/connecting to server.domain.local never works, but server does when the search domain is specified

This is a bit of a weird one. I'm running ubuntu on a Windows domain. If I type "ping server" I can ping correctly and I can connect without any problems. It looks up my search domain (domain.local) ...
1
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1answer
348 views

Why is user “lightdm” trying to log into my SBS 2003?

I have 7 Ubuntu desktops connected to a SBS 2003 using Centrify. I have a rather weird scenario, whereby a user with the name lightdm is trying to log into our server, possibly automatically. I ...
1
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0answers
132 views

No Sound from Shared Media [closed]

I have a shared media folder that I have all of my mp3's in. When I try to play them using Ubuntu, I get no sound, but the media player (Rhythmbox, Exaile, etc) display that they are playing the ...
0
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1answer
557 views

How to access guest VMs from outside network?

My problem is how to access guest VM from outside network. I am going to describe my problem in details. I have single machine with Ubuntu Server 12.04 LTS contains two NICs. One NIC is connected to ...
0
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1answer
1k views

OpenVPN, Server 12.04, connect to machines in home LAN behind VPN server

Problem: I've set up a working OpenVPN server, and am able to connect to it from anywhere using my mac laptop and tunnelblick. When I connect in, I'm assigned an IP address of 10.8.0.x, the server is ...
1
vote
1answer
4k views

How do i install network drivers?

I got Atheros9485 802.11b/g/n Wifi Adapter and Ubuntu 12.04 but the driver isn't installed. I can't use 'Additional Drivers' since I'm not connected to a network nor have the driver. So what can I ...
45
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4answers
72k views

What is the equivalent of the “tracert” DOS command?

tracert is a command in MS-DOS command prompt to trace the route to an IP Address. Is there any command in the Gnome Terminal equivalent to this?
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0answers
1k views

Windows 7 won't let me connect to my Ubuntu samba share

I set up samba on my 12.04 Ubuntu install. I shared a folder from my home directory. When I go to my Windows 7 box, I can see the Ubuntu box on the network, but when I try to connect, I get a ...
3
votes
2answers
268 views

Why are some online forms unable to submit?

I've been having a lot of problems regarding networking on my Ubuntu laptop. From Windows, everything works fine. When I wire directly into the modem, it works fine, but when I am on my wireless ...
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0answers
1k views

WiFi can't connect after suspend

I've had this problem since Ubuntu 11.10 (my first install) but I was able to get around this issue with this answer. After I installed Ubuntu 12.04.1 I tried to use the same fix as before but I ...
2
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1answer
2k views

Unable to compile ndiswrapper module

I installed ubuntu 12.04 LTS server on an old PC. This PC has a wireless card (Netgear wg311v3). This computer now has no access to Internet so whatever I do I transfer it from another PC. I tried to ...
0
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1answer
1k views

Permission denied when setting the MAC address

I'm trying to set my mac address for my other computer on a newly installed Ubuntu with a brand new hard drive. While doing this I got “permission denied” from SIOCSIFFLAGS. My question is how can I ...
2
votes
1answer
470 views

Internet stopped working suddenly on 12.04

My laptop was running smoothly until yesterday. Today, I can't connect to the Internet at home anymore. I am only able to access the router, but no Internet access. A have a Dell Latitude E6320 with ...
3
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0answers
54 views

How do I flush DNS settings in ubuntu, like we do in Windows? [duplicate]

Possible Duplicate: How do I clear the DNS cache? I am having some issues with my Internet. The ISP wants me to reset/flush the DNS settings. So my question is how do I flush the DNS ...
3
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0answers
2k views

How can I configure a Canon Pixma MG5300 to print wirelessly?

How can I configure a printer to print wirelessly in ubuntu 12.04 ? I have a canon pixma mg 5300 series, and I am able to print correctly by usb (the drivers were installed). Now I'm trying to do it ...
3
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1answer
137 views

WiFi, No ping, other works fine

I installed Ubuntu 12.04 LTS for my mom, this runs OK and has done so for 6 months I think. However recently, I switched back and forth between encryptions on our WiFi Router from WPA-PSK to WEP and ...
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2answers
4k views

Android to 12.04 USB tether not working

I'm trying to USB tether an Android phone (SGS2 LTE) to 12.04 to use its Internet connection. Enabling "USB tethering" on the phone brings up a "wired connection 2" on the network connections menu. I ...
2
votes
1answer
566 views

Ubuntu Desktop on PC as an IPv6 router?

I have a DELL PC with Ubuntu 12.10 and a pandaboard running the latest linaro ubuntu 12.08. The Ethernet on the panda board is reporting 'no ipv6 router present' regardless of what router I connect ...
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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 ...
1
vote
1answer
2k views

Error during update 'Unable to connect to 192.168.43.1:8000'

When I tried to update my Ubuntu through the update manager I received an error about some unknown resource. so i tried doing it from the terminal with sudo apt-get update but all I got is: 0% ...
3
votes
1answer
970 views

USB internet dongle not working [duplicate]

Possible Duplicate: Micromax 3G mobile internet modem not being detected I am using Micromax USB dongle, it works well in Windows 7 and also worked well in Ubuntu 10.10. When I upgraded to ...
4
votes
1answer
4k views

/etc/network/interfaces (Skype works but my browser doesn't)

I would like to configure my wlan0 so it would work with my router which is using WPA2 encription, and i would like my adress to be static not to interfere with other computers on the network. I ...
0
votes
0answers
1k views

Intel Ultimate-N 6300 Super Unreliable

I've tried everything to get this card working, including the 11n_disable, bt_coex_active, and swcrypto modprobe options. I've decided that it is just the drivers that are shipped with the default ...
3
votes
1answer
1k views

How to set up Wi-Fi Hotspot for sharing using 2 wired and 1 Wi-Fi network cards?

I have 3 network cards installed in my ubuntu 10.04 server and I want to configure Internet sharing and file sharing on eth1 for wired users and wlan0 for wireless users. Static ip: eth0: 192.168.1.1 ...
1
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1answer
1k views

Bug fix for the ddclient “Invalid IP” error not working

I'm running Ubuntu Server 12.04 on a mid-2009 MacBook Pro and using ddclient to update my IP address at www.no-ip.com. After installing ddclient according to the instructions here I had one successful ...
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3answers
729 views

How to activate WiFi when it says “disabled by hardware switch”?

I have VAIO VPCEA23EN with Ubuntu 12.04 32 Bit. Bluetooth is working but not WiFi. It says "disabled by hardware switch" even when it's enabled.
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1answer
692 views

I want to access internet on ubuntu 12.04.1 guest system from windows 7 64bit host in virtualbox 4.1.18 How to do so?

I am using Windows 7 64bit as host system and i have installed ubuntu 12.04.1 in virtual box as stated above. I have a dsl connection which works well on my host system and now I need to access the ...
0
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1answer
147 views

how to stop configuring network services

My computer upon start up taking about 5 minute during boot time configuring network and allowing 60 seconds to complete its task. how to stop these services. it starting this services every time upon ...
3
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0answers
1k views

Unable to get wireless working, RT2800 PCI [1814:0601], rt2x00queue_write_tx_frame: Error [closed]

Partial noob here, wanted to try Mythbuntu to replace a dying Tivo, and am having problems with some of the basics. After a weekend of studying, I've learned a bit but I keep hitting dead ends I don't ...
2
votes
2answers
3k views

Not showing Linux PC's in Network List

I have Ubuntu Precise and my brother has Windows 7, as well as my sister having windows 7 too. I can see them in the network list, they can see each other in the list, however they are not able to see ...
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vote
1answer
7k views

Ubuntu Server 12.04 + Wifi - WPA supplicant issues

I've been trying (and failing) all weekend to get my homeserver connected via Wifi (I know it should be cabled, but a house move is imminent ;-). The setup is as follows: HP N40L Microserver Ubuntu ...
7
votes
1answer
358 views

I want to use Ubuntu as a firewall and wireless AP, with some external traffic passing through openVPN, and the rest just through a firewall

I would like to do some configuration through Zentyal or a similar setup, but I am also willing to use config files. I am connecting to a commercial VPN using a username and password. I want that ...
2
votes
2answers
2k views

Using proxy on my Ubuntu 12.04 and proxy exception problem

I'm new to Linux systems. I recently installed 12.04 LTS and it works fine, but I have a problem. I live in the university dorms and in order to use Internet, I have to put proxy settings which ...
4
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2answers
8k views

Disable network configuration services during boot time

I have installed ubuntu 12.04 after booting it taking more time for network configuration.this happen before login. how to disable this services, could you please help us.
0
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1answer
132 views

Where must I click in Printing Settings to pull up Server settings?

I am trying to publish a network printer. I have tried right clicking everywhere but it does not offer the server option. I remember from a year ago having to do this and I found it then but this is ...