Managing and using network connectivity on a Ubuntu system

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998 views

How do I get a ZTE MF651 USB Modem working?

At first, my modem was only detected by lsusb. It shows like this: Bus 002 Device 004: ID 19d2:0146 ONDA Communication S.p.A. Next, I installed usb-modeswitch and created a config file: vi ...
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1answer
457 views

Slow on browsing web, but normal when using apt-get

I have a problem with my fresh instalation of Ubuntu 11.10. The problem happen when i start up my browser and accessing website such google, askubuntu.com, facebook and other sites. frustate on the ...
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1answer
5k views

What (if anything) is the Ubuntu equivalent of network-scripts?

I've just made the switch from Red Hat Enterprise Linux to Ubuntu Server, and need to do network configuration with static IP addresses, multiple Ethernet interfaces, channel bonding for redundancy, a ...
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0answers
149 views

ndiswrapper is not loaded on startup (thus, no wlan) [duplicate]

Possible Duplicate: How to keep ndiswrapper configuration after reboot? Whenever I boot, the ndiswrapper module is not automatically loaded, despite being explicitly added to /etc/modules. ...
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0answers
383 views

How can I change DNS servers? [duplicate]

Possible Duplicate: How to change the DNS name server? I have a Ubuntu 11.10 machine, and I'd like to change my DNS servers. How do I do this?
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5answers
8k views

Can't connect to wireless on a Dell Latitude 620

I have just installed Ubuntu 11.10 on a Dell 620 Latitude. I am new to Linux and am not very techie. I cannot see how to connect to a wireless network. For the avoidance of doubt I cannot 'see' any ...
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2answers
396 views

Wired connection setting

my Internet connection is 10baseT-HD, in order to surfing the network, I have to type the command "mii-tool -F 10baseT-HD" every booting. How can I make it auto-setting?
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2answers
2k views

Setting up Remote Access over a home network?

So I have two computers; one desktop and one laptop. Both of these computers are running Ubuntu 11.10, and both are connected to the same wireless network. What I want to do is set things up to where ...
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4answers
414 views

Specific traffic analysis

In the recent days, my traffic increased rapidly. How can I check which application is responsible for that?
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1answer
3k views

Ndiswrapper driver loaded but not being used

I have a TP-Link TL-WN851ND wireless card that doesn't work properly (slow and disconects from time to time) with the regular ath9k driver. I tried to make it work with ndiswrapper and followed the ...
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1answer
328 views

Why I cannot browsing the internet using normal connection but when I using tor network it work?

Why I can't using my normal connection but when I using tor network it working? I'm using mobile broadband (ppp). I tried to use terminal and try to ping www.google.com but the result: ...
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1answer
629 views

Is there any easy way to trace a route in ubuntu?

Is there any easy way to track the route that an request takes in Ubuntu? For example, tell me what the DNS servers are, which servers it redirects through before reaching the final page, etc. Is ...
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2answers
161 views

Suspending computer and maintaining internet connection

Some computers in this network have allocated LAN IP addresses, although other computers (the visitors) can sometimes steal the allocated IP addresses. Recently, suspended computers are losing their ...
0
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1answer
663 views

Ubuntu 11.10 disconnects me from internet (cable)

I'm connected to the Internet via router (wired) and Ubuntu disconnects me from it. I have to manually disconnect from my network (via panel in top-right corner) and connect again. I don't know why. ...
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1answer
638 views

Mobile broadband: tries to connect, disconnects before being done

I added this connection via the wizard: Connection name: movistar (I am in Spain) Connect automatically: unchecked IPv4 Settings tab: method: automatic (PPP) Addresses, DNS servers, Search domains: ...
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2answers
4k views

How to 'unplumb' a network interface [closed]

I want to remove a un-use network interface on Ubuntu 11.10 desktop but failed. virbr0 Link encap:Ethernet HWaddr 16:13:97:0c:0f:4f UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 ...
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1answer
521 views

How to maintain WPA connection on reboots when connecting from terminal?

Today I installed Ubuntu server, and connected to my wireless by following this steps: $ ifconfig wlan0 up $ sudo /etc/init.d/networking stop $ wpa_passphrase "ssid" "password" > wpaconfig $ ...
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1answer
2k views

Ubuntu 10.10 Network not working

even few days go it was working perfectly. suddenly There is no internet. I can't even reach 192.168.0.1 . I've a dual boot with window. with which I can reach to internet. lspci says : 01:02.0 ...
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2answers
236 views

Internet connection fickle with 11.10, fine with 10.04 live CD

I am having trouble connecting to my wireless network with 11.10. But when I boot up with my 10.04 live CD, everything works just fine. Does anybody have a clue what the problem might be? What ...
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1answer
3k views

Network disabled

I'm running Ubuntu 11.04 on Virtualbox. Everything worked fine until I had to install a wirelsss network card to my stationary (network cabel outside house was damaged - so borrowing neighbour ...
4
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1answer
997 views

Making a UDP application go through a proxy?

I am using Ubuntu 11.10. In System Settings -> Network I can add a Socks proxy but it doesn't work with my UDP application or even Firefox (it just connects using my real IP). What do I need to do to ...
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1answer
2k views

Can't create file /proc/sys/net//ipv3/ip_forward (to IP forward before arpspoof)

When I type: $ sudo echo 1 > /proc/sys/net/ipv3/ip_forward I get: bash: /proc/sys/net/ipv3/ip_forward: No such file or directory I can't mkdir any folder past /proc/sys/net nor can I move or ...
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1answer
2k views

ssh fails because port 22 doesn't work with AT&T Uverse

I am attempting to ssh into my home laptop (lappy) from my work laptop (lappy2) so I can run things, transfer files, feel good about having the skillz necessary to set up a server, etc. I have told ...
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0answers
638 views

General internet slow on Ubuntu 11.10 if running standalone but not inside VM [closed]

I got a new machine for work and was already using Ubuntu before that with a chain loader setup to load Windows 7 on another disk. My employer likes that cause he can just rip out the ubuntu disk and ...
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1answer
4k views

Using Ubuntu as a router?

I've seen many tools to use Ubuntu as a router in which an internet connection could be shared from Ethernet over Wifi or vice versa. I'm looking to achieve this except with 2 Ethernet connections: ...
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1answer
374 views

How do I hide an 'unshared' directory?

I'm sharing a directory with another user. This directory is called /home/Shared. When I was setting up the home network (that's another question), I found the 'Shared' directory with read access in ...
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1answer
317 views

How to configure Internet/Network connection

I am unable to connect to the internet. I attached a LAN wire but i really cant understand the issue behind it. I need appropriate network drivers for acer aspire 5742. Please help
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2answers
9k views

Slow shutdown due to modemmanager and .. nm-dispatcher.action?

My ubuntu is slow to shutdown, and the culprits seem to be modemmanager and something called nm-dispatcher.action. On shutdown I get a message on the terminal saying something like "asking all ...
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5answers
4k views

How to block, deny or redirect an IP address or website domain

This question popped a couple of days ago and it is: How to block, deny or redirect an IP address or domain name to another IP or web domain without the use of a router or configuring a browser. ...
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0answers
314 views

ipw2200bg wireless network troubles connecting on an ibm r50e [closed]

I just upgraded my system from a 11.04 wubi installation (windows dual boot) to an Ubuntu 11.04 stand-alone installation on my IBM thinkpad r50e. I think I got the very same trouble evinced from ...
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2answers
985 views

GoFlex Home drive visible but won't mount

How do I get the "GoFlex Home" network drive to mount in ubuntu 10.4?
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6answers
3k views

Intermittent internet connectivity

UPDATED: I recently built a new computer and set it up to dual-boot Windows 7 and Ubuntu 11.10. In Windows, using the same hardware, my LAN connectivity is solid. In Ubuntu, however, my network ...
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1answer
2k views

'waiting for network connection' error on boot

When I start my system, all the process is perfectly normal, until this message appears: 'waiting for network configuration' after that one there comes 'waiting up to 60 more seconds for network ...
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0answers
863 views

Wireless is dead on Asus UL30Vt laptop new install ubuntu 11.10 [closed]

I have spent the past two days trying to figure out why the wireless on my asus ul30vt is not working. Perhaps my completely uninstalling windows has something to do with it? Here are results of my ...
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1answer
532 views

Error 416 Request Range Not Satisfable

I have a problem with the installation of packages through Ubuntu Software Center, or, in general, through apt. I installed CNTLM to configure the proxy authentication that i use to connect to the ...
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1answer
109 views

How do I create a given network configuration? [closed]

How do I create an eth1 connection with IP address 10.4.6.2, subnet mask 255.255.255.128(/25), with a gateway set as the first available address from the network, and MAC address AA:BB:CC:DD:4:6 . I ...
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1answer
696 views

How do you change the apn for a mobile broadband connection

When I connect the Pantech UML290 (Verizon 4G LTE) device to ubuntu 11.10 it recognizes the device but it doesn't let me change the APN. The "New Mobile Broadband Connection" Wizard skips the "Choose ...
2
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1answer
639 views

How can I prevent a LDP Printer from printing a blank page at the end of the job? [closed]

I have a new router (Speedport W 921V) which has USB ports on which I connected my printer (HP DeskJet 950C). Printing works (URI: lpd://192.168.2.1/lpt1), but after each job, the printer sucks out ...
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0answers
781 views

Huawei E1752 mobile broadband usb modem does not work [closed]

I have been using ubuntu 11.04 with my usb modem flawlessly. I upgraded to 11.10 a month ago, and since then, the modem is not detected by my computer. The modem manager does not give me the "enable ...
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2answers
1k views

USB WiFi is detected but can't connect

I have recently purchased a USB WiFi adapter with a Realtek chipset for my netbook. Network-manager detects it well enough and can see my home WiFi network too, but when I try connecting I am just ...
0
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1answer
72 views

network login vs. network cable

I disconnected network cable to .... move it. when I reconnect it the whole system had problem with it. I was not able to execute console or log in(on ctrl+shift+fx consoles). after some time 20 ...
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2answers
4k views

Internet becomes unavailible after connecting through vpn

I am connecting to vpnc which breaks my internet connection. I understand, that this is because all my traffic is forwarding to vpnc now, so the problem is about routing. So, how can I manage my ...
4
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3answers
3k views

How can I easily turn a network mount in Nautilus into an fstab entry?

So I have navigated to the network share via Nautilus, but now I want to make it a permanent mount that is maintained between reboots. How can I easily add this share to the /etc/fstab file? By easy ...
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1answer
499 views

Setting up shared connection

I have a network that is connected to the internet via a switch connected to a router. I have it setup like this so I can work on the new network without causing problems on the old. Anyway, I'm ...
4
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1answer
9k views

Ubuntu 10.04 LTS not detecting Ethernet

HP Compaq 6200 Pro MT desktop machine. I installed Ubuntu 10.04.3 LTS server edition. The installer said that it could not detect the network hardware, despite an ethernet cable being plugged in and a ...
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2answers
748 views

How To Setup Domain Name for SchoolTool Local Server

I am currently testing SchoolTool 2.0 and I would like to do some things: This application is installed on a virtual machine running Ubuntu Server 11.10 bridged to our home network. The site is ...
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1answer
1k views

Configure internet connection across ubuntu server

I've been looking for an answer for my problem but I've found some things that I couldn't understand. I have a network with some machines running Windows and Ubuntu Desktop. I also have one server ...
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2answers
2k views

How to monitor if a network connection is stable during the day

We have a mysql server working on Ubuntu server. Many clients (using a Windows Xp app) give us the "Lost connection to MySQL server during query". How can I track down the problem? The server is ...
2
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2answers
7k views

Good alternative to NetLimiter?

There is a program NetLimiter for windows. While I was using Windows it was very useful for me to find out the IP address of the person who was downloading from me, or to know IP address of any person ...
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2answers
4k views

How do I set an extra IP for an existing interface?

I have an interface eth0, and I wish to give it an extra virtual IP. I achieve this by the following: ifconfig eth0:0 ip.address.goes.here netmask subnet.address.goes.here This works fine, however, ...