Networking :: Finding A Host In A LAN?

Mar 17, 2010

I've got two Linux machines plugged into my school's LAN, connected using DHCP: their IP addresses are randomly assigned. I'd like to be able to let them automagically find each other's IP.

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Programming :: Unable To Fix Syntax Error In Finding Ip Address Of A Host Name?

Apr 27, 2010

Writing a program that finds the IP address of a host name. Sorry forgot to include the line numbers, but where the $$$ is where the syntax error is. The errors are syntax error before "{" token and syntax error before "if". I've looked throught the code for a couple hours and can't figure out what's causing it. The code is attached below.

#define WIN
#include <stdio.h>
#include <stdlib.h>

[code]....

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Ubuntu :: Finding A Bash Script Which Will Prompt To Enter Host And Username At Initial Boot

Feb 17, 2011

I am working on different versions of Ubuntu & I looking for a script that will prompt the user to enter the host name & user name that he wanted for that system at initial boot up.

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Ubuntu Networking :: Transfer Files From Cluster To Host And Then Host To Another?

Mar 4, 2010

I am working on a cluster for a molecular dynamics class and I have to edit my FORTRAN code (only the newest and best for me!). In order to get through to the cluster I have to ssh in. The network on which the cluster resides is behind a firewall, so I have to ssh through the firewall into the network first.

this is fine, I can login and move files and folders as needed, including sftp-ing into host 1, then into the cluster so I can transfer files from cluster to host and then host to me. This gets rather tiresome, so it would be nice to edit the files in place.

The problem is that when I access my code with emacs it launches the emacs client on Host 1, with no mouse support. I know the purists will howl about how I should be using keyboard shortcuts, but I am a chemist and not a programmer, so the mouse is very nice for me. Is there any way I can perhaps mount the cluster using sshfs so that when I open my code it launches a local instance of emacs? Sorry if this is the wrong forum, but I thought it was network related.

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Networking :: How To Find Least Busy Host Given Hardcoded Host List?

Oct 12, 2010

I got a bunch of machines (~10) that I share with my co-workers. I have appropriate .ssh file(s) set up so I don't get prompt for password when I try to ssh.Currently I ssh into these hosts and then do a top to check the load before I start using the machine. Because I don't want to be on a busy host.Can someone show me how to write a script that find a least-busy host given a list of hosts to check? (hardcoded is fine)

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Networking :: Very Low Network Performance In Host-to-host Connections

Jan 27, 2009

The internal network is behind nat done by the PC Router.The TP Link is recieving wireless signal from outdoors and it has switching and basic routing capabilities. I'm using the PC router for better routing options.PC Router (or R for short) is a triple-booting machine - Linux, FreeBSD and Windows. It has two lan cards - external (ext_if) - 100Mbps Realtek 8139 and internal (int_if) - 1Gbps integrated Realtek 8169.The problem is that all traffic from R to the network is slow - about 5-20K, while the traffic in the oppoiste direction is all right - about 10MB that is fine for 100Mbps cables, NICs and switches. The problem persist no matter the OS the pc R is running.I've tried some debugging on the situation as follows:

- put another PC at the place of R - everything is fine. That exclude the possibility of damaged cables, RJ-45s, switches and etc.
- connected both of the NICs to the Internet while the internal network is being disconnected and they both work fine (no delays)
- traffic shaping is not running
- there is nothing in firewalls except NATing the internal network (and it is working fine). Actually these firewall rules have been operational for more than months and everything was fine untill a week or two ago.
- changed the internal NIC with another
- connected the internal network directly to the TP and all of the PCs are getting good network performance. Then connected the R machine to the TP as well and there was good performance between the internal network PCs and R.
- R has good performance to the TP. In fact everything has good performance directly to the TP (when not connecting trough R).
- the problem persist only between R and machines from the internal network.

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Ubuntu Networking :: Host Able To Ssh To FreeBSD Host?

May 19, 2010

So here's the setup:

Ubuntu 10.04 host inbound port 22 open
FreeBSD 8.0 host no inbound ports open

Both hosts are running sshd currently. What would you do for the Ubuntu host to be able to ssh to the FreeBSD host? A tunnel?

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Fedora Networking :: VM Can Ping Host And Internet But Host Can't Ping VM

Jan 19, 2010

Host - Fedora 12 64bit
KVM
VM - Windows Server 2008 64 bit
bridge-utils

VM can ping host and Internet but host can't ping VM.

I set VM static IP 192.168.0.205.

It turns out dynamic IP - 192.168.0.55

On host:

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Server :: Host Unknown Error:Sendmail / Stat=Host Unknown (Name Server: Def-fgh.com.: Host Not Found)?

Sep 8, 2009

Many of mails sent from my mail server that are in Queue;The main reason is deffered by domains like yahoo,aol,etc.but there is one more error that i keep getting and that is Host Unknown,Below is an example from mail log,The catch is,test mail sent on the same email id sent from my personal mail from the same server i.e. url was deliveredHowever,another mail containing client information sent from customercare@mycompanysdomain ended up in queue.

There are more examples of the same,around 20 domain have the same problem.

Sep 7 14:33:46 server2 sendmail[24591]: n8793jiC024589: to=<abc@xyz.fi>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=163672, relay=xyz.fi., dsn=5.1.2, stat=Host unknown (Name server: xyz.fi.: host not found)

Sep 7 22:09:42 server2 sendmail[6407]: n87Gdffa006403: to=<abc@def-fgh.com>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=152474, relay=def-fgh.com., dsn=5.1.2, stat=Host unknown (Name server: def-fgh.com.: host not found)

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Ubuntu Networking :: 8.04 And 9.10 - Finding Mac Address

May 12, 2010

I'm setting up a static IP address & I need to know the mac address of my 2 unbuntu machines? [8.04 & 9.10].

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Ubuntu Networking :: Finding Out Computers On A LAN?

Jul 13, 2011

Just to gain access to one of my computer across the house I use VNC a lot but the computer changes its IP address every so often that I refuse to just get up and check it. Without giving that computer a static IP address, is there a way to hunt down the computer's IP?

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General :: Transfer Large Number Of Files Host To Host

Oct 20, 2010

I have two servers, one has an empty / and the other has a subdirectory with a large number (4 gig) with many, many files. I need a way to transfer the files en masse from the server with the large number of files to the one that is essentially blank.I don't have space on the used host to simply gzip all the files. I've googled this and see that there may be some combination of tar and/or gzip that will let me do this with some sort of redirection.

I really need and example line of how this can be accomplished. If my explanation seems rather sparse, I can supply more details.

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Server :: Apache2 Virtual Host Defaulting To Default Host

Oct 30, 2009

Bit of an odd one, this. I've migrated a website from my old server to a new machine. Both servers run Ubuntu + Apache2. Both only serve a single site, apart from the default site.I've flipped the domain name to the new IP address.The trouble is that after moving the virtual host config over into sites-available, with the necessary link in sites-enabled, Apache attempts to serve from the default web root (/var/www) rather than the actual site content (in /var/www/technology). So for example, an attempt to browse.

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Software :: Get Synergy Up And Running Between Windows 7 Host And Arch Host

Jul 3, 2011

I'm trying to get Synergy up and running between my Windows 7 (server) host and my Arch Linux (client) host. In rare exception, synergy works perfect on my windows host, however every time I try and run Synergy on my linux machine I get the following error in messages.log:

[code]...

I'm running Arch with a barebones Xorg install and SLiM with LXDE. I'm not sure what in the world is causing the problem and haven't been able to find anything of substance in a search.

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Fedora Networking :: Domain Name Finding Without Having DynDNS

Jul 25, 2010

If you are running a home server/website, and want a domain name, currently you can use dyndns and others etc. to get a free one and use that so people can find you by name. So my question is, can it be done on your home server without having to use eg dyndns or others.

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Ubuntu Networking :: Finding Internet Files In /etc/?

May 1, 2010

I have is that I can't update anything at all, my update manager isn't working because I created a few internet files in my /etc/ somewhere so that I could use the internet through a wingate network and now I need to get rid of those files because I'm on a direct connection now. I'm running Intrepid Ibex. .

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Ubuntu Networking :: Samba Is Not Finding Workgroups

Nov 7, 2010

On my desktop PC I use Kubuntu, and on my laptop i use mint XFCE. I dont, however, seem to be able to get them to see each other via samba. In XFCE I am using Gigolo to browse shares, and dolphin in kde. Both are the amd64 versions.Using gigolo in xfce i am able to mount shares from kubuntu by manually entering the ip and connecting, but no workgroups show up when it searches the network.When I look in pyneighbourhood the workgroup is found but the mounting fails every time.In Kde i see nothing at all in any of my network folders.

Seeing as im not using gnome, and definitely not nautilus, i dont think this applies to me.When I run "smbclient -L ROO-DESKTOP" from my laptop I can see all the shares, and other windows computers on the workgroup.

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Ubuntu Networking :: Finding The Drivers For Using Kubuntu?

Feb 3, 2011

I have ubuntu installed on my laptop which works fine. It has a pcmcia wifi card. When I tried to run the kubuntu live cd it couldn't find the card. As the drivers will be the same how do I find the drivers to allow me to use kubuntu? I plan to make a live usb which I'll add the drivers to so that it'll work each time I plug in. Alternatively if I can find the drivers then I'll just enable them each time via the cd.

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Networking :: Finding Mac Address Of An Ipod In Logs?

Feb 5, 2011

My Ipod got stolen a few days ago and I am trying to figure out its mac address so that i can track it. I have sshed into it several times and i found some logs for some of the sessions but I cant find its mac address anywhere. I am wondering is there a way i can figure it out with my ssh logs or some of my other logs?

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Networking :: Finding The PPTP Active Connections?

Sep 29, 2009

I've created VPN server(PoPToP version 1.3.3) using webmin and all clients are connected successfully. I want to check "current active connections" from CLI(command line interface). what is the command to list all active connections.

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Networking :: Finding The Router / Switch And Wireless AP?

Jul 24, 2011

I have two laptops and a desktop. At any given moment I would like the desktop to be able to download a file over WAN at maximum speed while one laptop does the same over wireless and the other laptop shares files either wired through a gigabit switch or wireless over wireless G or N. Is this too much to ask from a router/switch/wireless AP combo unit with a single processor? I'm thinking it's at least a lot. What if I ran the modem into the WAN connection of a good router. Then connected a separate wireless G/N access point and gigabit switch to the LAN connections of the router? That seems to me like it would relieve some of the bottle necks I would encounter with the scenario described above AND allow me to upgrade each unit as needed.

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General :: Ssh: Connect To Host 192.168.100.xxx Port 22: No Route To Host

Mar 9, 2011

I'm trying to ssh from my laptop to my desktop (both fedora 14) over a local network. I can ping my desktop and get responses, but if I ssh to it, I receive

ssh: connect to host 192.168.100.xxx port 22: No route to host

I can ssh from the desktop to itself.

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General :: Get The Ip Address Of Host Using Of Host And Nslookup Command?

Oct 20, 2010

HOW TO GET THE IP ADDRESS OF HOST IN LINUX WITH USING OF HOST AND NSLOOKUP COMMAND and after getting the ip address how to assign it in the variable

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Networking :: Connecting VM And Host With NFS?

Mar 4, 2010

I am currently running ubuntu on a qemu-kvm virtual machine, and the host is fedora. I would like to mount a folder of the host machine on my VM, but never succeeded. The result of the command is :

root@armnlib-kvm:~# mount -v 192.168.1.10:/nfs /nfs
mount: no type was given - I'll assume nfs because of the colon
mount.nfs: timeout set for Thu Jul 7 06:02:43 2011

[code]....

And the showmount -e on the host gives :

Export list for cudak:
/nfs 10.0.2.15

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Networking :: Host Can't Ping VM?

Jan 19, 2010

Host - Fedora 12 64bit
KVM
VM - Windows Server 2008 64 bit
bridge-utils

VM can ping host and Internet but host can't ping VM.

I set VM static IP 192.168.0.205.

It turns out dynamic IP - 192.168.0.55

On host:
$ ping -c3 192.168.0.55
fails

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Networking :: Connecting VM And Host With NFS ?

Jul 7, 2011

I am currently running ubuntu on a qemu-kvm virtual machine, and the host is fedora.

I would like to mount a folder of the host machine on my VM, but never succeeded.

The result of the command is:

And the showmount -e on the host gives:

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Networking :: Domain Name And Host Name ?

Feb 23, 2011

Domain name which is registered on the DNS for an IP and the name of the host with that IP need not be the same. am i right? I mean domain name and host name need not be the same. Is this correct?

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Networking :: How To Create A Host Name

Jan 24, 2010

I have installed NXServer from NOMachine and I want to connect to my home computer from work. Because the router at my house is dynamic as is the wireless to this computer how do i go about setting up a host name for one of these computers? I am running the latest debian. I also intend to use this computer eventually as a file and web server so this would be extremely benificial

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Networking :: How To Give IP And Host Name

Dec 4, 2009

I have installed fedora 11 in my system , during the installation process it prompted me to enter the IP ,local host and local domain name .i have entered something .but my question is that how to change that IP and the domain name which i was given in the installation process.

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Networking :: Network Outside The Host

Feb 28, 2010

I have Centos installed and runing Vmware server inside, inside the Vmware server i have two V MAchines runing, how can i let those machines run outside the host ( mean listen to other computers in the outside network, i am after proxy server.

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