Managing and using network connectivity on a Ubuntu system

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4
votes
1answer
755 views

Internet is slow & intermittent

Something kinda weird happened to me today. I've been using Ubuntu for month on my computer without any issue but today I decided to install Windows 7 on dual boot so that my GF can use Photoshop... ...
8
votes
4answers
29k views

I have a laptop, can I use Wifi and cable (Ethernet) networking at same time?

I have an intranet without connection to the Internet, and then I have WiFi with connection to the Internet. Can I make a configuration that makes it possible to be connected to the Internet through ...
2
votes
1answer
5k views

How to sniff https?

I've been using Windows for a long time with the HTTP Analyzer application, which is basically Wireshark for http/https protocols and is able to actually process https requests the same way as HTTP. ...
81
votes
16answers
153k views

Command for determining my public IP?

If I check with google, I can see my public IP. Is there something on the Ubuntu command-line which will yield me the same answer?
13
votes
4answers
42k views

How to successfully restart a network without reboot?

When I am using Ubuntu, sometimes the network goes down and there is no option to bring back the wired network. There is always option for wireless, but no option for wired network. In such case I try ...
7
votes
2answers
919 views

WiFi keeps on going on/off on an HP Pavillion g6 1B35

Recently I bought this laptop HP g6 1B35. It comes with Windows 7 Home premium. I installed Ubuntu in it by erasing windows. Ubuntu got installed correctly. But now when I turn my wifi switch ...
0
votes
1answer
509 views

I can't get on the internet via a wireless connection

This computer, (running Ubuntu 11.10 oneiric) I'm writing from is connected to the inet via Clearwire modem, to Belkin N600 DB wireless router (ethernet cable). This router successfully connects via ...
1
vote
1answer
640 views

Why can't i copy files to my NAS?

I can normally access all of my NAS shares without issue from my Ubuntu laptop. I have bookmarked all of the shares without issue, although they are a little slow to access. However moving files ...
3
votes
2answers
8k views

How can I transfer files between two Ubuntu computers on a LAN without installing additional software?

I know I can install Samba or openssh-server to be able to share files between two Ubuntu computers. Is there a way to share files without installing additional packages? I installed Ubuntu on two ...
0
votes
1answer
1k views

problem with “wired connection”

I have windows and ubuntu installed on two partitions. I was having ubuntu 11.10 till now, where in I never had any issue with the wired network connectivity. When I click on the network icon on the ...
2
votes
1answer
10k views

How to enable forwarding of data between two local interfaces?

I have installed Ubuntu 11.10 on a refurbished machine. I have also replaced a defective NIC card with a new NIC card, two NIC cards are recognized when the install occurs. I also have squid installed ...
4
votes
1answer
13k views

Two Network cards and ip forwarding

I want to make "Ubuntu 11.10" act as a router. I have two LAN interfaces. Let's say interface A' IP is 172.16.1.10 ; interface B's IP is 192.168.1.10. How can I configure Ubuntu so that ...
7
votes
2answers
16k views

Which type of VirtualBox networking should I use? [closed]

I'm trying to use VirtualBox on my Mac to host a couple of VMs. Host OS: Mac OSX 10.7.2 Guest OS: ubuntu 11.10 server 32-bit Each VM should be able to connect to the Internet (this is needed ...
1
vote
1answer
313 views

10.4 LTS only uses one Ethernet port, driver fails to compile

LSPCI reports they are on diffrent IRQ's They are both onboard. The intel system has a Linux driver but it fails to compile because it can not find Linux headers. Sudo apt-get install ...
1
vote
1answer
946 views

wired connection not being recognised in ubuntu 10.04 lts

I have windows7 installed on my C drive and ubuntu 10.04 lts on my D drive. When I plud the lan cable (ethernet cable) onto the ethernet card of my laptop, windows7 identifies the network correctly ...
1
vote
2answers
3k views

Is there a way to know what connection I'm using?

The reason I ask is because I want to know if I will achive higher speeds if I'm connected to both than just one connection. Also when I'm gaming (on the internet) if I just use the wireless I always ...
13
votes
5answers
11k views

Internet slow on Ubuntu but not windows using a RTL8111

I have just installed a dual boot windows7 /ubuntu 11.10 and the internet is much slower than windows. I have read the post here and tried the solutions presented and none have worked. Here is what I ...
2
votes
1answer
2k views

How do I share files between two computers connected to a router?

I have a desktop and a laptop both connected by cables to a router. I thought the computers were supposed to show up in Nautilus in the Network folder. That way I could then easily share files ...
6
votes
1answer
1k views

How do I troubleshoot network issues with my VPS?

Problem: I occasionally have network issues with my Ubuntu VPS. I cannot SSH to the box, I cannot ping the box by IP address. I can access the box via host Serial terminal. When I access the box via ...
3
votes
2answers
3k views

Parse network configuration file (/etc/network/interfaces) with Python

I need to write script in Python to read/write /etc/network/interfaces file. It is not parse-able with builtin module ConfigParser because there are no sections. Is there any parser for such files? ...
4
votes
1answer
1k views

RTL8188CE disconnects and won't reconnect on Lenovo E520 [closed]

I installed the RTL8188CE driver off the realtek website. It will connect after a fresh boot and work well. But at some point it disconnects (usually within 15 mins) and then will not reconnect. It ...
6
votes
1answer
249 views

How can I share a Ubuntu folder with Windows 7 across a WAN?

Currently I have a Ubuntu server located remotely and I would like to share a folder with my local Windows 7 machine. In other words I would like to map my remote Ubuntu drive as if it was a local ...
0
votes
3answers
589 views

Servers running from chrooted Ubuntu on HP TouchPad?

The problem: servers appear to be broken inside my Ubuntu chroot. No matter what kind of server I try to run, they all seem unresponsive (VLC server won't respond to client, mkRemote doesn't move the ...
2
votes
2answers
4k views

Connecting to 3G Modem with Command Line

i have a 3g Modem and it's my only way to connect to internet . in the GUI Mode it's easy to connect via Network Manager , But how to connect to internet with this modem in the Text Mode? Thanks in ...
0
votes
3answers
282 views

Need help with Two Ubuntu based system sharing in Samba

I have a laptop and desktop running Ubuntu and Xubuntu respectively both are 64 bit 11.10 version I use XBMC on both machines to play media. I want to access my media on dekstop and play on my ...
1
vote
1answer
2k views

How do I directing sound to a remote PulseAudio server?

I've configured PulseAudio server on a PC that is connected to stereo system. I've had no problems directing audio from my notebook running Ubuntu 10.10 to it - remote audio device just appeared in ...
2
votes
1answer
2k views

Is there an equivalent to netscan?

I use netscan in windows to browse network shares on lan. I can see all the network shares at one place and open them by a mere click. Can I do same on ubuntu, is there any netscan for ubuntu which ...
0
votes
1answer
159 views

Network up and down usage indicator

Is there an applet that shows an indicator on the top bar that shows the network up and down usage in kb/mb (not %) I have come across "indicator-network" but apparently it has device issues? ...
0
votes
2answers
574 views

How do I get Samba and CUPS installed onto Ubuntu Unity 11.10 and recognize my network printers

I have a HP930C printer installed on an older machine with Windows 2000. I had it working up Ubuntu 9.10 and also have a network printer Lexmark X7600 on a wired LAN connection. I was able to get ...
3
votes
1answer
2k views

PCI Ethernet card causes IRQ “nobody cared” in syslog [closed]

I have installed a new PCI Gigabit Ethernet card, yet it is not working well. It works for a few minutes then suddenly stops running. I found logs in /var/log/syslog saying irq 18: nobody cared (try ...
2
votes
0answers
517 views

mobile broadband in network setting missing [closed]

I'm trying to connect to the internet using mobile broadband network (3G) in Ubuntu 11.10, but the mobile broadband tab (the one to enable/disable mobile broadband) in network setting seems to be ...
0
votes
0answers
335 views

How to browse a linux network [duplicate]

Possible Duplicate: Safe Home Network through WiFi I have three PCs running Ubuntu. Now I want to browse one PC from another one. Why does Ubuntu only show Windows Network? I don't use ...
1
vote
3answers
2k views

Getting a delay with my internet (however my speed and ping are normal)

I've been having some delay issues with my internet connection. It's hard to explain exactly what the issue is, but I can give a few examples. Also it does this with or without my router connected. ...
8
votes
3answers
7k views

Windows hostnames are not resolved

I know that similar questions has already been asked. However, as suggested in the answers to that question I have the winbind package installed and have wins in /etc/nsswitch.conf: hosts: ...
1
vote
2answers
498 views

Upstart not running my dynamic DNS script

I have a dynamic DNS script as follows: #!/bin/bash curl -kL# "http://example.com/updatedns.php" echo $? >> /var/log/ddns ...saved to /usr/local/bin/ddns. Obviously the URL above isn't the ...
1
vote
3answers
6k views

How to setup a static ip in Ubuntu? Where i need network, broadcast, dns parameters to fill in from my ISP?

I have a public ip as below which is static (my isp provided) as below: IP Address: x.x.146.50 Subnet Mask: 255.255.255.240 Default Gateway: x.x.146.49 DNS1: x.x.1.196 DNS2: x.x.7.196 But ...
7
votes
1answer
3k views

Disable proxy server for one apt repository

I have made a local apt repository, but my IT-department caches LAN traffic on the proxy server. Is there a way I could work around this to disable the proxy settings for this local apt repository? in ...
14
votes
3answers
2k views

How do I restrict user bandwidth usage?

I want to restrict each user to 300 gigabytes of internet usage per month. Are there any GUI or command-based tools to manager my users' bandwidth?
2
votes
0answers
3k views

waiting for network configuration

I had no issues with my startup until i went into network manager, went to wireless, and added a wireless connection... when i restarted the pc to apply the changes, i was hit with the "waiting for ...
2
votes
1answer
7k views

mv: failed to preserve ownership

I have two computers, both running Ubuntu (Ubuntu Server 10.04LTS on one, Ubuntu Desktop 10.10 on the other). I setup a Samba share on the Desktop. On the Server, I mounted the Samba share to ...
1
vote
2answers
1k views

Booting without network configuration

I use a PC and a laptop both on Ubuntu 11.10. PC uses internet with lan cable from ADSL modem while laptop uses wifi. Only in my laptop I get this message that booting without network configuration. ...
1
vote
1answer
910 views

How to share internet between a Ubuntu and XP?

I am having an Internet connection which i have to share via LAN to my friends. I have installed Ubuntu 11.10 but the problem is that i can't share the connection. As I used to do I gave eth0 (the ...
5
votes
1answer
147 views

Setting A System For Public Use

I am setting a system up for public use I want to set some rules on the usage of computer so that the users are restricted to some particular areas of the system and they don't play with sensitive ...
4
votes
2answers
13k views

How to set up a basic home network file sharing?

I have 3 machines, all on Ubuntu 10.10 2 desktops wired to a router, and one Laptop via wifi I am using Ubuntu for 3 years now, but not yet feeling comfortable using the terminal. How do I set up a ...
2
votes
1answer
2k views

set default wifi network

How do I change the default wifi network that Ubuntu connects to on startup? There is an unsecured public wifi network in my range, as well as my own home WPA secured wifi that I want to use by ...
0
votes
3answers
689 views

TCP/IP Fingerprinting Obfuscator

I've heard mention that there's tools for linux that will obscure the "fingerprint" your machine provides to snooping parties on the internet-- however I've been unable to find any mention in the ...
0
votes
1answer
358 views

Canon printer on a Windows share not working

I have a windows 7 machine with a Canon MG5250 connected via USB. It is shared on the network. I have my Ubuntu 11.10 machine on the network also, which I want to print from. I got as far as browsing ...
0
votes
1answer
436 views

Ralink wireles not working for HP dv6 6110 [duplicate]

Possible Duplicate: ralink 5390 card in laptop does not work after installing driver I have a hp pavilion dv6 6110us and I have just put on 10.04 LTS because 11.10 doesn't work for whatever ...
0
votes
1answer
372 views

Samba: Cannot see Shared folders

i'm trying to connect my laptop to pc thorugh LAN (both are ubuntu) because i need to grab some data there. the problem is when i browse network section in nautilus i cannot see folder list that i ...
0
votes
2answers
542 views

How do I decrease the timeout on ifup?

I'm writing a shell script that brings up an Ethernet interface (configured for DHCP) to determine whether it's connected to a network. If it isn't, I'd like to be able to report in a timely manner ...