Networking :: How To Connect To Class A Network
Aug 17, 2009
In the company where I work they have just installed some new machines in a class A network:
10.1.10.x
I am running debian with a static IP, this is my configuration in /etc/network/interfaces
iface eth0 inet static
address 193.106.32.232
netmask 255.255.255.0
network 193.106.32.0
broadcast 193.106.32.255
gateway 193.106.32.254
dns-nameservers 213.139.0.51 213.139.0.52
The people who I work with all run windows and did not have to make any changes to ping the new network. What do I have to change to be able to see the new network, connect via samba etc.
"Great works are performed, not by strength, but by perseverance."
"Marriage is a three rings circus: engagement rings , wedding rings and sufferings."
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Dec 19, 2008
I work for an organization on which is growing up with pcs, I set up a linux but with a class c net (192.168.1.0/24) and dhcp for 250 clients, so my question is, how to change from class c to class b since now the org have now 300 pcs that need to be connected each other with printers and everything.
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Mar 12, 2010
I have a problem with compiling vdrift-2009-06-15 using scons. As the source that i obtained only supports scons i cannot use make. the error that i get when i try to compile it in GNOME Terminal is: scons: Reading SConscript files ... scons: warning: The Options class is deprecated; use the Variables class instead.
File "/home/mohit/Download/vdrift-2009-06-15/SConstruct", line 9, in <module>
scons: warning: The BoolOption() function is deprecated; use the BoolVariable() function instead.
File "/home/mohit/Download/vdrift-2009-06-15/SConstruct", line 13, in <module>
Checking for C++ header file asio.hpp... (cached) yes
Checking for C++ header file boost/bind.hpp... (cached) yes
Checking for C++ header file GL/gl.h... (cached) yes
Checking for C++ header file GL/glu.h... (cached) yes
Checking for C++ header file SDL/SDL.h... (cached) yes
[Code]........
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Aug 8, 2011
I can connect to the internet through wifi, but I cannot connect to anything on my network. I have a printer and a NAS, so I would really like for this to work again. I have a dell laptop with a Broadcom card.
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Jul 1, 2010
I recently fixed an annoying problem and I thought it would be nice to share my solution here. The problem was that after a cycle of suspend/resume, Network Manager would only auto-connect to the same network as it was previously connected to. So, for example, if I suspended my laptop at home, and then I went to school and resumed it, it would try to connect to the home network, and then just give up. It would not connect to the school network unless I explicitly told it to.irst, I'll describe the fix. If you're having this problem, you can this. Copy the following:
Code:
#!/bin/sh
case "$1" in
[code]....
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Jun 14, 2010
I have used ubuntu in the past but had a lot of hardware issues with it and unfortunately moved back to windows (( BUT i have tried Ubuntu again and all seems to work great except wifi My wifi connection is sort of working because when i run SUDO IWLIST SCAN it does pull up all available networks. But in the network manager icon on the panel i left click but i see no networks and can't connect to anything. I WOULD LOVE TO keep Ubuntu and use it permanently but I must get wifi working or else this won't be possible.
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Jul 10, 2010
I recently put Linux on a Thinkpad T40 I got. The wireless card works out of the box--I can see nearby networks. However, I can't connect to mine. network-manager would try (spin spin spin), fail, ask for the password, and then go back to the beginning and repeat indefinitely. This happened to me on a different computer, and on that one all I had to do was use wicd instead of network-manager. So I installed wicd, but it's not working either--it hangs at "Obtaining IP address".
I've found many, many threads with people who had the same problem, but none of their fixed worked for me.
I also tried to get wifi going manually, using this guide, but that didn't work.
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Nov 21, 2008
I'm unable to connect to a particular home wireless network under Fedora 9, although I can connect to it using WinXP on the same machine. My Fedora installation is able to connect to my college's unsecured wireless network, so it's not a driver issue I think.It seems to be an authorisation issue, as I'll describe below, but there's one other thing that's bothering me. The SSID for the network I have problems with is for some reason not listed in Network Manager's drop-down list, nor is it in the output of iwlist wlan0 scan. But I'm pretty sure it's not a "hidden" network - I don't know exactly how those work, but I helped the owner of the wifi network in setting it up, and don't remember doing anything that would make it hidden. As far as I can remember, Windows found the network automatically without having to be told the SSID. What's the best way to confirm whether it's a hidden network or not?
Anyway, I try to connect by selecting connect to other wireless network in Network Manager, and entering the SSID. As far as I can tell from the error messages below, the machine does contact the network and attempt to connect, but I'm not authorising myself properly. That may be a completely wrong diagnosis, but hopefully someone can see from the below info whether it's correct or not.I'm not sure which option to use for "Wireless Security": at the time we set up the network, it gave us a Hex WEP key of 26 characters, which is 104 bits. But none of the options in Network Manager's list match that. Here are the options it has, and the error message I get with each one:None - if I select this, it fails to connect, with no error message.
WEP 128-bit passphrase - if I select this and attempt to use my 26-character WEP key, it brings up a new dialog, saying "Passwords or encryption keys are required to access the wireless network [SSID]." It has a drop-down box labelled "Wireless Security", but this time the only option is "None", and the connect button is disabled, I can only click cancel.
WEP 40/128-bit hex - as above.
WEP 40/128-bit ASCII - The connect button is disabled when I try to use the WEP key, as the string is too long. Despite the fact that it says 40/128-bit, it actually accepts 5 and 13-character strings (40 or 104-bit). Since I've got a 104-bit hex key, I tried converting it to ASCII, but it consists of mostly unprintable characters, so I'm not sure there's any way to actually enter it into the textfield. I might have done something wrong here, so I've put my code below to see if anyone can point out a mistake.
LEAP - requires a username, not applicable here I think. Windows doesn't need one, and we don't have one from when we set the network up.Dynamic WEP (802.1x) - requires username, private key and various other things, all N/A WPA & WPA2 Personal - Brings up a dialog with the same text as for "128-bit passphrase", but this time "WPA & WPA2 Personal" is the only option in the drop-down list, instead of "None". It asks for a password, so I just enter the hex key again - now it asks for the password for the Gnome Default Keyring, which I don't think I've ever set up. Don't know if I can go any further with that, but my understanding is that since we were given a WEP key when we set up the network, WPA will be N/A.WPA & WPA2 Enterprise - as Dynamic WEP. N/A.Hopefully that's enough info that someone can help diagnose the problem. Some of the behaviour of Network Manager described above doesn't make sense to me, and I'm wondering if it's buggy.
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Feb 14, 2010
I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.
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May 20, 2009
I have the following problem:I have to networks in remote places.I have an opnvpn client in one network that connects to the the router (openvpn server).My question is,can i connect the network where the openvpn client is,throught the computer with the client to the other network.If yes,how? (please make it an idiot proof anwser because i have limited knowledge about iptables). I was thinking like forwarding (the router in the network with the openvpn client is also firewalling with iptables) the request of the ip class of the openvpn network to the computer with the client,which masquarades the interface
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Jul 13, 2010
I am running RHEL 4 with Linux version 2.6.9-89.0.16.ELsmp on a machine that was recently moved to a new location (new network). It now has an ip XXX.XX.196.17. Since the move my machine does cannot connect to any machines outside of XXX.XX.196 subnet. Cannot connect to any internet sites. However it see all the machines through ssh connections.
For example:
(Internet sites)
ping www.google.com
ping: unknown host www.google.com
(Web server on the same (XXX.XX.196.X) LAN)
ping cfd.XXX.XXX.edu
PING cfd.XXX.XXX.edu (XXX.XX.196.138) 56(84) bytes of data.
64 bytes from X.X.196.138: icmp_seq=0 ttl=64 time=1.08 ms
64 bytes from X.X.196.138: icmp_seq=1 ttl=64 time=0.118 ms
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
(Machine on a different LAN)
ping XXX.XX.82.52
PING X.X.82.52 (157.182.82.52) 56(84) bytes of data.
From X.X.196.2 icmp_seq=25 Packet filtered
From X.X.196.2 icmp_seq=26 Packet filtered
39 packets transmitted, 0 received, +11 errors, 100% packet loss, time 38007ms
(SSH to machine in the same building but on a different LAN)
ssh jaggu@XXX.XX.82.52
jaggu@XXX.XX.82.52's password:
This has all of my network guys stumped. They made sure that the http port is open on the XXX.XX.196.X router/firewall. Still the same problem. I am a novice trying to manage a linux cluster.
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Jan 19, 2010
I cannot connect to a WPA-PSK network that 2 friends on Windows computers can. Please help me since I only make a little money online and need the net to earn money for food, and I don't use Windows
Here's what I do:
Code:
airodump:
00:12:CF:6C:57:73 -66 99 286 7 2 54e. WPA TKIP PSK suat1
root@l:/tmp# cat /etc/wpa_supplicant/net.conf
network={
ssid="suat1"
code....
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Mar 30, 2010
I noticed earlier today that I was only getting a 54Mb connection with my wireless which I assume means that it is using g class to connect (I get 130Mb connection when using Windows 7). On my router setup page I changed the mode from mixed (a g & n class) to just n class and from then on I couldn't connect to the internet or even access my router home page.
My router is a Linksys WRT-160n.
Wireless card is Edimax EW-7728ln.
I appear to be using the correct drivers - RT2860.
Also using Wicd network manager
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Jul 7, 2010
I've created an ad-hoc network using a wireless device I have at home. When the networks shows up in NetworkManager, I select it, the two dots turn green, and it tries connect for about a minute - but eventually fails.Is there a special way you need to go about in order to connect to ad hoc networks?Note: I've tried connecting to it through Windows, and everything works swell...so the problem isn't from my other device - the problem is Fedora.
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Jan 19, 2010
I cannot connect to a WPA-PSK network that 2 friends on Windows computers can. Please help me since I only make a little money online and need the net to earn money for food, and I don't use Windows Here's what I do:
Code:
airodump:
00:12:CF:6C:57:73 -66 99 286 7 2 54e. WPA TKIP PSK suat1
[code]....
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Mar 20, 2010
I managed to install the driver for a Dlink DWA-130 (is a ver. E) and it appears that the computer recognises it. It also sees nearby access points. But, when I try to connect to my home network it asks for the wpa password over and over again after attempting to establish a connection. I'm using 9.10 and installed the driver by using ndiswrapper
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Apr 22, 2010
I just installed Ubuntu 9.10 today. I am TOTALLY new to the Ubuntu world, and the first thing that happened was my the OS not picking up my wireless network. I am running a compaq presario c306us.
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Apr 28, 2010
I recently picked up a belkin f5d7050b.; I know that It is working as the network icon in the applications bar at the top shows my network. for whatever reason I can't seem to connect to the network however. every time i click on it, it says network disconnected.
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Oct 7, 2010
I have managed to create an Ad-hoc network on my Ubuntu box as my university doesn't have wi-fi and I need my Ipod touch & wireless printer to be connected most of the time.
Now I managed to get it all setup working perfectly of which was of a relief yesterday - However today I faced a problem that is still baffling me.
I booted up Ubuntu today and managed to connect to the web via eth0 but my wireless seem to take ages to connect. Eventually it popped up with the authentication prompt where I inputted the password. (several times, it kept coming up ) However I had no success connecting then. I tried clicking on the box 'Available to all users' and the next time it tried to connect it just took an age supposedly connecting and eventually failed saying the wireless disconnected. What is strange is that my Ipod touch can connect with the same password being used almost immediately yet ubuntu cannot
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Nov 15, 2010
I have an IBM R51 laptop which I would like to run on ubuntu (as I'm currently running Maverick on my Desktop and like it very much)I have run the liveCD and everything runs OK except for the wireless network, which although it detects my wireless network, will not let me connect. I have edited the wireless connections with my SSID, (WPA) password, etc, but when I try to connect it will not connect.I have also tried this on an unsecured wireless network with the same result.Running lshw -c network shows the following information:
*-network:0
description: Wireless interface
product: PRO/Wireless LAN 2100 3B Mini PCI Adapter
[code]....
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Dec 9, 2010
Before I explain my problem:This is my first post so I do apologize if this post is in the wrong category.Also I would like to apologize for my bad English because my native language is Dutch. I know there are allot of the same topics. but I can't find a right solution for my problemMy problem:After using Ubuntu 10.04 for a while I decided to upgrade to Ubuntu 10.10. After the upgrade and restart the problems started.
I wasn't able to connect to my WPA secured network. This was because there was no network in the list to connect to. I installed ndiswrapper, and installed a Windows driver. Blacklisted the old one and yes. This worked. Then the next morning exactly the same problem. I tried to repeat the same process. To bad. This time it didn't worked. I removed the old driver from the blacklist. and tried to update. No luck at all.I searched the forums. I figured to get a list with networks. but when I click mine and enter the pass-phrase it says it's connecting but keeps asking for the pass-phrase, then eventually disconnect.lsmod
Code:
michael@michael-laptop:~$ lsmod
Module Size Used by
[code]....
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Mar 24, 2011
I have 2 systems running ubuntu - 1 Karmic and one Lucid - that I am having problems connecting to my wireless network with. On both systems I am trying to use the same USB wireless dongle - a Linksys Wireless G 2.4Ghz 802.11g. On both systems it picks up my network (amongst others) but will not connect. I try to connect, enter the password/key and it processes for a little while an then just comes up with "You are now disconnected...".
I have a BT Homehub (gen 2 I think) which is set up to use WPA/WPA2 (from memonry). I did try downgrading it to WEP and got connected (only tested on one machine) but dont much like using a less secure system.
So I fall upon the mercy of those who are better than me to try and guide me through this. I have looked into it on the forum but couldnt really get my head around the problem.
Give me some info on where to start and how to diagnose the issue?
Just in case anyone wonders - we have a laptop running karmic (im posting this on it now) that has no issues connecting so the network is accessible. I assume the problem I have lies with the linksys adapter and the software using it.
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Apr 30, 2011
Linux-user, but this has got me scratching my head. I followed this on how to install and configure the DWA-140 to work with Ubuntu 11.04, and "iwlist scan" outputs all of the networks. When i try to connect to my network however, the icon up in the right corner with the signal bars just keeps on going until it prompts for a password to join the network. I enter the password and it goes on for some time, and then it prompts me for the password again.
I'm using a D-Link DIR-655 with the "Only N" mode active. It works fine on other computers (Windows, sigh) but not on my Ubuntu one.
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Jun 21, 2011
I install 11.04 in my laptop, and now i wana test the 11.04 in my office network.We have a server, that shared the database off our programs in a SAMBA drive. All the others workstations have windows instal and use that databses to work in the programs we have.What i'm traying to do is conect my 11.04 to that network, share files with the others PC, and work in the programs i need like in a win worksation tru wine/crossover. My main problem is that i don't know how to conect to the network and see the other workstations.
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May 11, 2009
I did a new install of Kubuntu 9.04. I use static ip addresses. In an attempt to resolve the issue with the network manger in 9.04, I removed the network manager. I am now able to set the ip addresses just fine and I get to the internet. However, for some reason, I can't get to my internal router. Has anybody encountered this or have a suggestion on what I may try?
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Jan 5, 2010
I am still building my home network, and want it o be able to connect to different computers by:
\pc-name
We have 2 types of computers:
Computers in the workgroup WORKGROUP (2 debian, 1 vista)
Computers in the domain TUE (required by our university) (3 vista, 2 xp)
Within the workgroup, I can call pc's by their name, but this is not possible by the pc's in the domain. I can however always do \ip and the 2 debians have a samba server running, which is available through \ip (and \name, for the computers in the workgroup).
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Mar 28, 2009
I have fc9 installed on my system and I am facing a weird problem When I login to my machine (both as ROOT and USER) I do not get connected to the Internet automatically. I have to right click on the n/w Icon on the task bar, disable it and enable it gain then I get connected.
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Sep 15, 2009
I'm trying to connect my fedora 11 computer to a kubuntu9 computer over a cross wired network cable so i can share files, Internet and printers i dont want to use a router or wifi
what rpm's do i need to install can someone guide me through it
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Oct 16, 2009
2 days ago I did a fresh install of Fedora on my computer to be dual-booted with Linux Mint. The first time I did this install a few weeks ago, I did all of the updates, rebooted (internet still fine) and when I rebooted again, Fedora could no longer connect to the internet (but could still see the networks and ostensibly connect to them). I fixed it then by manually setting the BSSID/IP/DNS/etc.
And this happened again on the new install! This time it took out the internet connection in Mint too. I tried manually setting the connection settings, but that didn't even work for a while. So, last night, thinking that the install might be the problem, I reinstalled Fedora. This morning I finally got my internet to connect on Mint, but I'm concerned that if I do all of the updates on Fedora I'm just going to end up back at square one with zero internet connection.
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May 26, 2010
I will be staying somewhere that uses WPA encryption for their wireless network. It's a hidden wireless network with the security type being WPA-Personal the encryption type being TKIP.The connection works while in Windows7but not in F12.I edited the /etc/wpa_supplicant/wpa_supplicant.confthe default information already provided for WPA connections.Then, as su, I ran:
Code:
wpa_supplicant -B -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf
And the output was:
[code]....
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