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 :: Create A PF_PACKET Socket And Send A Frame To Another Host?

Nov 10, 2010

I'm trying to create a PF_PACKET socket and send a frame to another host, I know the destination's mac address and interface index, and I want to use my own protocol no., so I defined a PROTONO as 0x2323, here's the code of sender

#define MYPTNO 0x2323
int main(int argc, char **argv)
//struct sockaddr_inservaddr;
struct sockaddr_ll servaddr, bindaddr;


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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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General :: To Create A Link For A Directory Across Host?

Mar 11, 2010

i am a oracle DBAI want to crete a link for a directory in production serverto remote host.

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Ubuntu Servers :: Create A Virtual Host For A Php Project?

Apr 28, 2011

I needed to create a virtual host for a php project I'm working on. Rather than using command line and text editors, I installed webmin to accomplish this and hopefully perform other server configuration in the future. When I created the virtual host and tried applying the changes Apache wouldn't re-start, and still doesn't restart after complete re-boot. It's getting hung up at the end of apache2.conf, which is trying to include /etc/apache2/sites-enabled/000-default.

When I look at 000-default from a File Browser, it's a linked file to etc/apache2/sites-available/default I can open both the linked file and actual file in a text editor, and it looks fine. When I view the directory, /etc/apache2/sites-available from shell, the default file isn't visible. It seems this "invisibility" is probably related to the error, which is preventing start-up. Can anyone explain why the file would be visible from the Ubuntu File Browser GUI but not from the terminal, and how I can fix so apache can recognize this on start-up?

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General :: How Create Softlink In Client (host) Computer

Sep 19, 2010

i want to know, how create softlink in client (host) computer.

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OpenSUSE :: Create And Host A Simple Website Using LAMP And Drupal?

Feb 14, 2010

I wanted to create and host a simple website using LAMP and Drupal. I read an article in a Linux magazine a while back on how to do this, but can't seem to find any instructions. Can someone direct me to a site or link that has step by step instructions on setting up lamp and drupal?

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Server :: Create A Separate Logfile For Host Sending Logging To Rsyslog?

Feb 16, 2011

After struggling and googling on the internet I can't manage it to work.I have stup rsyslog to receive the logging from my firewall and it puts it into the syslog file.ut I would like to have a separate logfile for these messages.I have created the firwall.log file with owner syslog, same as for the syslog file.I already have tried to use in the /etc/rsyslog.d/10-firewall.conf the following ::msg, contains, "firewalld" /var/log/firewall.logor
:msg, contains, "firewalld" -/var/log/firewall.logI don't know the difference between the "-" sign in the lines but I have seen also those kind of situations.

I also have put this line into the 50-default.conf file because I thought it wasn't seeing the 10-firewall.conf file but no work.I have added a $template HostMessages, "/var/log/%HOSTNAME%/logfile.log" in the /etc/rsyslog.conf file but neither it works.In the firewall I can see the Syslog facility is now on LOG_LOCAL0 and I can change it from LOCAL0, LOCAL1, LOCAL2, ... until LOCAL7What does these different numbers mean

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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
VM - Windows Server 2008 64 bit

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

I set VM static IP

It turns out dynamic IP -

On host:

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Server :: Create A Virtual Host And Virtual Ip In Proftpd Centos?

Nov 22, 2010

I want to create a virtual host and virtual ip in proftpd linux centos. can anyone please help me on this,I'm new in linux.

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Server :: Host Unknown Error:Sendmail / Stat=Host Unknown (Name Server: 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=<>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=163672,, dsn=5.1.2, stat=Host unknown (Name server: host not found)

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

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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:


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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General :: Ssh: Connect To Host 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 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 /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


And the showmount -e on the host gives :

Export list for cudak:

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Networking :: Host Can't Ping VM?

Jan 19, 2010

Host - Fedora 12 64bit
VM - Windows Server 2008 64 bit

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

I set VM static IP

It turns out dynamic IP -

On host:
$ ping -c3

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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 :: 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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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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Networking :: No Route To Host

Aug 21, 2009

I use linux.

I have below error, no route to host.

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Networking :: Some Other Host Already Uses Address?

Oct 17, 2010

I am setting up a server, with a static IP address. I thought I did the setup correctly, including setting up the static IP address. When the system restarted, I saw a message flash about some other host already uses address

Then, once logged in, I got a system message: System is not receiving updates, check network connection.

I went to System: Network Configuration, and under Devices, I saw:

Inactive Device: eth0

I clicked on activate, and I received the same message: some other host already uses address

The file /etc/sysconfig/networking/devices/ifcfg-eth0 reads:

#realtek Semiconductor, Ltd. ...


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Ubuntu Networking :: Could Not Resolve Host Name?

Apr 29, 2010

I'm having an issue where some of my machines hostnames are no longer able to be resolved after setting up a mythbuntu backend to allow netboot. Also it seems that which machines hostnames get resolved is not consistent. (ie sometimes one gets resolved and sometimes it doesn't) I suspect that it has something to do with the changes I made to "/etc/ltsp/dhcpd.conf" to get the netboot running.

I have a Verizon DSL modem/router as Up until playing with the "/etc/ltsp/dhcpd.conf" I saw hostnames of all of my machines show up in its network map. Now, some of my machines still get network access but their hostnames are no longer resolved. What did I do wrong? Here is my dhcpd.conf file:

# Default LTSP dhcpd.conf config file.
subnet netmask {


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Ubuntu Networking :: How To Host Own Webpages

Jul 5, 2010

How to can I host my own domain by myself for free?I've installed phpmyAdmin, ehcp, filezilla, mySql, mySql query browser, proftpd, gforge, wordpress, activeperl.I'm not sure either how to make a domain name for my IP address and how to use dynamic DNS.

1) OK, I've got to admit that I'm a newbie in networking.
2) I'm lost with tons of different programs, I don't know where to start from now, there are many methods. I have made many user names and passwords...
3) What to do? I don't want a local web page, All I want is get my web page on Internet where anyone else can visit it.

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