Ubuntu Networking :: SSH Between Series Of Machines?
Feb 24, 2011
I have a problem that I'm trying to solve with a lack of some network knowledge. At least I thought I knew them.This are my machines:
1. Ubuntu Desktop - OpenSSH
2. Asus WL520 Router (with Tomato firmware) - DropBear
3. DNS323 Server - OpenSSH
4. Windows 7 Desktop - Putty
@Home
(3) DNS323 server is WAN accessible (via ssh)
(4) Windows 7 is not WAN accessible.
@Office
(1) and (2) are both not accessible via WAN.
(1) and (2) are in the same network (192.168.1.x)
Code:
(192.168.1.5) (192.168.2.1)
[Ubuntu]----[Firewall]----[Internet]----[DNS323]----[Windows 7][code]......
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Nov 12, 2010
I have a problem with the latest Fedora. Installed it cleanly on a machine with Gigabyte H55M-S2 with Intel Core i3. There seems to be no sound and I checked to see if anything is muted but is not. The manual says that the sound chip is ALC888B so this could be the first problem. Any ide how I can make it work? Here is a dump of some things on my system.
Code: [weaz ~]$ lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
[weaz ~]$ uname -a
Linux EarthwormJim 2.6.35.6-48.fc14.i686 #1 SMP Fri Oct 22 15:34:36 UTC 2010 i686 i686 i386 GNU/Linux
[code].....
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May 24, 2010
i have to grep a series say 98782 from a group by series in a file ,how can i grep the series.
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Jan 22, 2010
I have the samsung LED 7100, and I can't figure out how to connect it to ubuntu. The way it is supposed to work is I share one or multiple folders that are shared and I can browse them trough the tv since it is connected to my network via hard wire. In windows I do that in 1 minute, but I love Ubuntu so much better when it comes to anything else.
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Aug 28, 2010
I am not able to connect to a wireless network with the HP mini 110 series. When going to the wireless network menu, no networks shows up. if the solution could be described in a very easy "how-to" or just be made into a patch (if there is pathes on ubuntu) it would be nice.
System specifications from HP:
<li style="font-weight: normal; margin-top: 10px;"> Intel(R) Atom(TM) N455 (1.66GHz) + Intel(R) Graphics Media Accelerator 3150 [For Mobile Broadband] <li style="font-weight: normal; margin-top:
[Code]....
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Sep 2, 2010
I finally got around to setting up my HP Photosmart c4580 AIO printer today to print wirelessly so that I don't have to be tethered to it with a USB. I found there are many different ways of doing this, each with limited success. So I took a crack at it and this is how I got it to work. (Just an FYI, I don't think that it matters but I am running Ubuntu 10.04 64bit.) Note: I have put in screen shots of the important steps. Also, I have linked at the bottom all the relevant shots. In a terminal type
Code:
hpsetup
After pushing enter a GUI will pop open call "HP Device Manager - Setup". There are four radio buttons, I selected the "Wireless/802.11 (requires a temporary USB connection and is only available for select devices)" one and then clicked Next.
Clicking Next opens a new window for Wifi Configuration. Read what it says (Which is; after configuration setup will continue, this configuration may not work, and connect your printer to your computer by a USB cable!) Now click "Next". Assuming you haven't forgotten to plug your printer into your computer (and turn it on) you will get a "Discovered Wireless Capable Devices" list with something on it. If you do not have anything listed under "Model" and "Device URI" check all your connections and the power to your printer and click refresh. If still nothing I am sorry but this setup has failed you, but if you are lucky and something shows up, click on it and then click next. You have to have wireless internet to continue. The step you are on now has you select your wireless internet connection. Find your's and click next.
Now in the next screen you have to enter in your password for your wireless internet, then push connect. Once you connect you have now just given me access to your online banking and I am withdrawing money as you read this! I'm probably just kidding! I just wanted to make sure I haven't lost you yet. But you do want to enter your password and push enter.
After you push connect you should get a little 'progress' screen. After that is done loading you will see a screen that looks like, Now on a piece of paper or something else, write down your hostname and your IP address. After you have done that unplug the USB from your computer and click finish. Now what happens next, I could not explain. But you remember earlier the wizard said that setup would continue after configuration? Yeah well it didn't for me. And here is what it looked like.
Notice no printers available to select, and even in the terminal it shows an error. Either way, we have the information that we need to finish things up outside of this 'hpsetup' wizard. So just click cancel, close the terminal, and go back to the desktop. Now on your desktop go to System>Administration>Printing That will open a window that shows your current printer profiles. Click the add button to get a screen that looks like this,
Click the plus sign + next to "Network Printer" then click on "Find Network Printer". Now on the right half of that window there is a text box labeled "host:", enter the IP address that you copied down earlier and click the button that says "Find". Once clicking "Find" , one of two things will happen; (1)It will recognize it right away, locate the driver and take you to this screen, after clicking "forward".
or (2) It will take you to a screen showing the host name and the port number. If that happens, no big deal, just click "forward" to get the above screen. Or (3) It will not recognize the IP address that you entered. If this is the case, type in the host name you copied down earlier and click find, then click "forward" to get to the above screen. Or (4) It will not be able to locate a suitable driver. If this last scenario plays out for you then I am sorry but I don't know what to do. So lets just hope that doesn't happen. Alright now that you are on the above screen. Type in a name that you would like your computer to call your printer.
Then click "Apply". Once you click "Apply" that window will close and it will take you back to your printer list. You should notice a new printer in your lineup. Also, it is asking you if you would like to print a test page. Before you pick one, double check that your USB cable is no longer plugged in to your computer from the printer. Now, clicked "No" or "Yes". I chose "No" because test printing takes up a lot of ink. Instead of the test page I just went to my gmail and printed an e-mail. And guess what?! It worked!
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May 3, 2010
Noob to Ubuntu here and I cannot access my wireless connection. It is working fine right now (wired) but I am using the TV stand as my computer desk right now so... not very practical. I tried following the "howto post a wireless issue (ticket)" but there was too much information for me to be able to put on here.
I have my SSID and my WEP. I am on Verizon DSL (only provider in my area). I tried using the wireless setting in network connections and I tried using DSL. I assumed that SSID+Password=Yay the internet works! but apparently not.
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Jul 22, 2010
I am new to Ubuntu and I have problem with wireless connection. I could not find any wireless connection at all. I am now using wired connection. Sony Vaio SZ series, Intel Corporation PRO/Wireless 4965 AG or AGN My software details are:
$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
[code]....
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Sep 9, 2010
I just loaded the Ubuntu maverick AMD64 beta and to my regret I see that the wireless adapter isn't functioning, even after applying updates through wired connection.
Terminal lspci -v command tells me that the network adapter is present as Atheros AR928X Wireless Network Adapter on PCI-E - rev 01 and that the ath9k module is being used by the kernel.
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Mar 9, 2011
Ive managed to install samba, I've shared a folder. I can access from a Windows 7 machine via \ubuntupublic. I can put files in the folder form the ubuntu machine and edit them on the windows box. I can put files in the folder/share from the Windows box but then I cannot edit them on the Ubuntu machine (they are read only and have a "Lock" over them). I can fix this by going to the properties of the file/folder in Windows and manually assigning "Everybody" full control (then the lock disappears and all is well.) I want read/write access to all the folders contents from both machines all the time (security is NOT a concern I WANT the permissions wide open) what am I doing wrong?
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May 31, 2011
My Intel Corporation WiFi Link 1000 Series wireless card stopped working yesterday after I did an update via Update Manager.After the upgrade, wireless is disabled and the option to enable it in Network Manager is grayed out. I thought that it might be the new kernel, but changing back to the old kernel I still have the problem.
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Nov 18, 2010
I've been learning linux for a while now with half an eye on making a career out of it in future. One sizeable gap in my knowledge at the moment is networking. Is it feasible/desirable to set up a network of virtual machines to use as an environment to learn networking? My budget is non-existent so I was hoping to be able to get a basic understanding of the principles from installing a few desktops, a virtual gateway etc on VMware workstation on my laptop, and doing a lot of reading online.
Is this feasible, or will I just end up learning about virtual networks instead of real ones? Also how much power would be required, because my 3GB RAM lappy has just gone bang and all I have now is a (new) 1GB RAM lappy.
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Jan 21, 2009
I wanted to be able to have separate NICs with separate IPs connecting to separate gateways on a machine so I could put an ftpd on each one. I tried binding an ftpd to each, and running separate instances of the ftpd. I tried virtual hosts.
NOTHING worked. I could either use one ftpd or the other. I could either connect via ssh on one IP or the other. the second I turned one NIC off stuff would work again. I messed with basic iproute commands, andnothng worked until I got this script to run, which allowed me to use each NIC independant of the other.
Code:
#!/bin/sh
#ip route flush all
ip route del default dev eth1
ip route del default dev eth0
ip route del table 1
ip route add table 1 to default via 10.10.10.1 dev eth1
code....
But now, samba client doesn't work. cifs mounting doesn't work either. It can't connect.
BEFORE I ran that script, I could connect via ssh, or to the ftpd running on the machine using a LOCAL IP - 10.10.10.2. AFTER, I have to use the external IP, or I cannot connect. I know that has something to do with it, but I do not have the advanced linux routing knowledge to redo the script or come up with a solution.
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Aug 25, 2009
Networking on Fedora 11 doesn't work for me on various machines. Fedora 10 does, but only if you don't do an update.Why does Fedora get worse the more you keep it up-to-date?
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May 10, 2011
I've got a desktop running 10.04 64bit with a broadband connection connected through usb on eth1, I also have a laptop running 10.04 32bit and I've got both connected with a cat 6 crossover cable both on eth0, connected directly without a router. I would like to share files and Internet between the two.
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Jul 27, 2011
I have no idea how to search this one. I can connect to the internet no problem. I can connect to Windows XP and 7 using
Code:
nautilus smb://192.168.0.x
I cannot connect between Ubuntu machines. Which thread am I looking for? I've been using Ubuntu for years, and still do not have a clue about this, but it's not been an issue until my family wants to play games over the home network.
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Jan 19, 2011
I manage a cluster running RHEL 4. Recently, the head node lost contact with some (but not all) of the other nodes on the LAN. This is very bad because almost all of our data is on an NFS server, so our users can't work until I fix this. The problem apparently started this morning (Jan 19), although there's at least one machine on the LAN that I had lost contact with before then.Here is all the information I think might be useful.From /var/log/messages:
Code:
Jan 18 21:45:21 XXX kernel: tg3: eth1: Link is down.
Jan 18 21:46:02 XXX kernel: tg3: eth1: Link is up at 1000 Mbps, full duplex.
[code]...
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Sep 17, 2010
I may be missing something very easy here, but I have a fresh install of Ubuntu 10.04 64 bit (I have also tried 10.04 32 bit) and I cannot connect to my windows machines. I can't connect by going to the network window, or by connect to server via ip. Basically, I can see the windows machines but then I double click it, and it asks for the credentials. I'm the admin of all of the machines, and I only have one login to my windows machine, which is my name First Last. I am entering this, and my password (which I'm sure is correct) and click "Connect". It thinks for maybe a half second, then presents me a blank credentials box, wanting me to start over.
I can connect to my Macbook without any troubles.
I'm using an Acer AspireRevo 1600, wired connection.
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Jan 24, 2011
first, here is our setup:
Linksys Router with firewall
1 Linux Server -- Running Dapper
Multiple Linux ThinClients running off the linux server
Multiple Freestanding Linux Machines -- Running ubuntu variants
Multiple Freestanding Windows Machines -- Running windows variants
The issue is that certain websites will not load on the freestanding linux machines, but they will load on our linux server and all the windows machines. examples: [URL].. These sites will start to load, but they never really finish and just seem to time out. I have tried changing the dns on the freestanding linux laptops to use 208.67.220.220 and this does not solve the problem.
I have checked the firewall rules and they seem pretty standard.when the linux machines are used on other networks, these websites work, so the problem seems to be related to this particular network.
When I do (freestanding linux):
Code:
traceroute acer.com -I
The trace times out at 30 hops
When I do (linux server):
Code:
traceroute acer.com -I
The trace reaches the destination at 19 hops
Both of the traceroute requests start by going through the router. So the big issue is that websites will load on our linux server and all our windows machines, but not on freestanding linux clients.
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Feb 27, 2011
Me and my friend have been talking about networking our two machines over the internet. So he has done his side. Now i need to do my side... Any ideas on how i would go about configuring my computer to do this?
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May 1, 2011
I have just upgraded 2 machines to ubuntu 11.04. One was an upgrade, the other a new install. On both machines, I cannot ssh to any machines running Ubuntu 10.04.2 I can ssh to machines running 10.04.1, 10.10, etc. and all those machines can connect to the 10.04.2 machines. I get: Read from socket failed: Connection reset by peer To workaround the problem, I have copied the /usr/bin/ssh on a 10.10 machine to the 11.04 machines.
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May 19, 2011
I have Ubuntu Server 10.04 running as a samba server and a VPN server using PPTPD. I am trying to connect two users to the VPN, which I am running Windows Ultimate on one, and Windows Home Premium.
Connecting to the VPN server from any location, I get an error 619 on the windows machines, and I have googled for what feels like days about the error and can't find a working solution. I look in the /var/log/messages file and see:
Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
pppd 2.4.5 started by root, uid 0
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
Modem hang up
Connection terminated
Exit.
Does anyone have any ideas what could be wrong?
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May 30, 2011
My netbook runs 10.10 and my desktop runs both 11.04 and 10.10 atm. My netbook can connect and stay on the internet, but my desktop (in either version) connects for ~ 5mins then stops working without warning. It says I'm still connected, but I can't ping anything on or off the network.
My wireless card has always worked fine with every other wifi. Just not this one.
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Feb 2, 2010
How do I go about having XP client machines authenticate into their Fedora 11 accounts upon starting up windows? For example, I would like the Windows logon window show their accounts on the F11 server so they can log in and have their server stored home directories used via the network on the XP client machine they are using
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Apr 25, 2011
I am trying to access folders on my main computer running F14 from my laptop, also running F14. I have had no luck, in the past I've networked windows 7 and Fedora and it was easier than this
I have tried setting up Samba and everything looks fine, except I can't access the folders from my laptop. I'm sure this has been discussed on the forum and believe me I've searched, here, various search engines, the official Fedora guide, and still no luck.
how to share folders between two computers?
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Jun 23, 2010
So in an effort to increase the speed of my netbook, I removed Ubuntu and installed Lubuntu on it. When I tried to mount my samba share as I normally do, I noticed it wasn't able to connect - mount error(113): No route to host. Sensing something fishy, I attempted to ping the machine (both by name and by IP) - Destination Host Unreachable.The machine I'm trying to connect to is using Ubuntu 10.04 x64. I attempted to ping the other way and it was able to connect to the netbook just fine. When the netbook was using Ubuntu, it was connecting fine. My iptables check out ok, but here is the output of iptables -nvL:
Code:
Chain INPUT (policy ACCEPT 213 packets, 21635 bytes)
pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
[code]....
Does lubuntu have some funky firewall built in to it that I can't find? (I've Googled for information on a Lubuntu default firewall and can't find any)
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Jun 26, 2010
I have 3 home computers. Two of them are dual boot Windows and Ubuntu. The third runs only Ubuntu. I want to share files and two printers among the three machines. What is the best approach to doing this.
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Jul 13, 2010
I want to share home directories from two different machines so that I can log on to both using the same account.
One idea was to host the home directory on a server and mount it to a local directory. I don't think this will work though, because I'm pretty sure the directory wont be mounted until the logon session starts and I'm guessing it wont without the appropriate home directory.
So the question becomes, what tells the OS where the home directory is in the first place. Yes it's in a default place but that path as to be stored in some config file somewhere right?
But another problem is... If the server goes down, I'll have to make sure I can log on via root at the logon screen/get into a terminal/use LiveCD to get access.
It wouldn't be too much of a problem to create an account on each machine, all my media will be on the server anyway. But if I create an account on one, it would be nice if it was automatically added to the other. And it would be great for keeping settings if I want to do a compete wipe if I'm upgrading the file-system or something. I suppose I could just do a backup like everyone else..
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Aug 12, 2010
I have two Ubuntu 10.04 computers ans several windows computers on a common ip address on my LAN, I cannot connect to the shared folders on the Ubuntu machines but all windows machines connect fine. I see the Ubuntu computers in networks on both Linux machines. When I try to access a shared folder on the Ubuntu machines it ask me for the user name, domain, and password even though I set Remote Desktop sharing to "Configure network to automatically accept connections"
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Oct 28, 2010
I am running 10.4 on a number of machines but can not create a network and share media and directories between them. I can not find any machines on my network. I know smb is installed because I used it when running windows. I have not used Ubuntu or any other Linux OS to run a network before,
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