virtual machine connection [closed] - networking

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I want to connect ubuntu virtual boxes with each other on a network. I want to use hadoop on it. So i need to put them in a network. It requires ssh to communicate. Can anyone help regarding it.

The easiest way is to change your adapter to "Bridged networking" instead of "Nat", the default. This way the guest system will get an ip on your local network and you can connect directly to it.

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Can we manually throttle the bandwidth of a network interface? [closed]

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Say I wish to have the interface eth0 to have a very low bandwidth. Is it possible?
As may be evident from the question, I am trying to simulate a network with varying bandwidths.
Note: I am using VirtualBox running Ubuntu to simulate the hosts.
There is a program in the Ubuntu repos that will throttle bandwidth on a process-by-process basis. It's called trickle. Here's another answer that deals with trickle. Hope that helps with your issue!

Information from Unix Host [closed]

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The following info is from a UNIX host with a IP of 205.133.127.8/24 and a gateway of 205.133.127.1
(205.133.127.1) at 0:50:54:7b:e8:c0
(205.133.127.4) at 0:10:1f:52:10:0
(205.133.127.6) at 0:60:8:93:37:b5
(205.133.127.7) at 0:0:f4:c8:9f:6a
(205.133.127.8) at 0:60:8:93:38:c2
(205.133.127.9) at 0:60:8:93:38:db
(205.133.127.10)at 0:50:da:b:23:c9
...
(205.133.127.76) at 8:0:20:b:6d:b9
(205.133.127.84) at 0:c0:5:4:14:17
(205.133.127.85) at 0:c0:5:4:1e:19
...
(205.133.127.214)at (incomplete)
(205.133.127.234)at 0:40:33:ca:a1:5d
(205.133.127.238)at 0:60:97:79:2:8a
(205.133.127.255) at ff:ff:ff:ff:ff:ff
What does this mean?
For this line (205.133.127.4) at 0:10:1f:52:10:0, What is this part 0:10:1f:52:10:0. showing?
Describe the events that will happen if the host had packets going to 205.133.127.84, 205.133.127.83, or 205.133.181.3?
What is the difference from these?
205.133.127.84 is the only line that shows up on my list.Does this signify something?
That's a list of Mac addresses and matching IP addresses.
If the host wants to send to a IP address that's in that list, and if there is a route to it in the routing table then it would eventually use that address.
See man arp for full details

Finding a specific computer from an IP address on a network [closed]

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I'm having trouble with my network at work.
We have a LOT of computers on our network and one of them is causing me problems.
I'm rendering from 3ds Max via Backburner and I can see that there is a another manager distributing jobs.
I can see the IP adress of the computer (198.162.1.61), I just don't know where it is or what it's called.
Is there any way to get a specefic computers information if I only know its IP address?
Consult the ARP table. Then you'll get the MAC address, this you can match with the vendor via:
http://www.adminsub.net/mac-address-finder
command:
arp -a
use the following command to see the name of the computer:
nbtstat –a <ipaddress>
if you are lucky, you can also gather information via scans (ex program: autoscan, nmap, ...)

telnetd accepts only one connection [closed]

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I have got telnet server running on a bsd target. I want to connect to this target from multiple other machines. Surprisingly it does not allow more connections.
I checked why and found it is not listening(listen) in a loop. So, I kinda fixed it. But I was wondering is there any specific reason why telnetd code is kept with single connection at a time? (I am allowed to connect to telnetd server from only one client for a particular port.)
(I know telnet is not a safe option. But I am having just fun on small embedded platform and getting things working is more imp than security at this moment.)
Thanks
Telnet is supposed to be launched by inetd. You need to configure inetd to do the listening for you.
The wikipedia article that I linked to explains how to do that.

VMs in different NATs [closed]

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I want to simulate three computers, everyone behind a different NAT, in order to test hole punching.
I want a server that its address is know to the other two VMs, but the two VMs to be in separate NATs.
Any ideas on how to configure this in workstation 7 ?
Thanks :)
Honestly, if your three VMs are each under separate NATs and one VM has a public ipv4 address, then there is nothing specific you need to configure within workstation 7. You are ready to go to test hole punching.

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