General :: Multiple Port To A Single Service

Mar 6, 2011

Is there any limitation to the number of transactions through a single port if so then if we assign multiple port to that particular service then the performance is increased (what i suppose)

so: Is there any way to assign multiple Ports to a single service. like for a web server the main service is httpd or some thing like that to be running on the server and now if we assign multiple ports to that service then the performance increases.

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Programming :: Connect Multiple Sockets From A Single Client To A Single Server And Keep Them Open?

Oct 13, 2010

I have question about the UNIX sockets. my goal is to connect multiple sockets from a single client to a single server and keep them open...I'm not sure if that is possible to create or not. Do you have any suggestion or an example of code?

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General :: Tcp Port Open By Unknown Service?

Jun 1, 2010

Running openSUSE 11.2 x86_64.Here's what a nmap of my IP provides:

PORT STATE SERVICE
23/tcp open telnet
80/tcp open http

[code]....

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General :: Pointing Multiple Domains To A Single Public IP?

Apr 28, 2011

If i have two domins [URL] and [URL], can i point it to same IP Address in DNS?.I had already added namevirtualhost in my Apache.If possible, is there any risk,disadvantages.

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General :: Single Server And Multiple Client Programming In C ?

Jul 1, 2010

I am new in client server programming and i have written code for single server to single client communicating one port(3490). but i have no idea how my single server will be communicate with different client on different port.how this will be happen ?

Any idea to understand the logic or send any good link or any piece of code in c , i searched on net but all help was mostly for java progamming.

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General :: Transpose Multiple Rows Into A Single Column?

Apr 7, 2011

I need to transpose a file with over a 1000 rows of 5 columns of numbers into a file with a single column of numbers. The numbers are separated by a single space and range from one digit to 5 digits each. I tried using awk, but can only get it to grab one column of numbers.

Input:

1 2 3 4 50
600 7 8 9000 10
11 12000 13 14 15

Desired output:

1
2
3
4

[code]....

Tried using: awk '{split($0,a,""); print $NF}' <filename> and got:

50
10
15

It only grabbed the last number in each row.

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General :: Compile Multiple Source Using Single Makefile In ECos?

Jun 3, 2010

I'm calling a function defined in "uart.c" from "main.c"

But on "make" using cygwin bash, it's giving an error:"Unreferenced function"...
Pls help me to overcome this problem.

If i'm putting the definition of that function in "main.c" itself, its working.

So pls tell me how to write the make file for it?

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General :: Windows - Run Multiple Operating Systems On A Single Computer?

Mar 18, 2010

Possible Duplicates: Dual Booting Linux and Windows XP Booting Multiple Operating Systems I have a machine with Windows on it, and I would like to be able to reboot to Linux. I am certain this is possible. How can I achieve this?

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General :: Create A Video DVD With Multiple Titles From A Single-titled DVD?

Apr 24, 2010

I have an unencrypted DVD that is one big title, ie you cannot skip next / prev. What I want to do is reauthor the DVD with title at certain points, so that I can skip next / prev when watching it.

I'm using Ubuntu 8.10

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General :: Check Performance Of Multiple Machines With Single Command?

Jul 5, 2011

i have 30 linux PCs running. i need to check the performance of all pcs( memory,ram and process usage) in single command or in GUI mode.In solaris we have perf script to check performance in GUI mode. i need same type in linux?

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General :: Multiple Grep Outputs Appended To Single Row Of CSV File?

Sep 12, 2010

how to update a series of values from multiple grep commands outputs to be appended to a single row of a csv file? Work on a linux envir. The values from grep output will be numeric values.

Output sold look like:

1,3,4,5,7,0,5

Each of these values will be odtained from multiple grep commands piped with wc -l Is it possible to update a single row of a csv file if so pleas ehelp me with the command to be used to redirect the output into the csv file

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General :: SVN Multiple Commands Single Revision - Add New Folders (with Contents) To The Repository?

Jun 18, 2010

I want to do something like svn add dir1 dir2; svn ci dir1 dir2 but have it be only 1 revision. Is there a way to do this? Is this the correct way to add new folders (with contents) to the repository? We are restructuring the trunk, so I cleared it out and plan on putting these directories with their contents in it.

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General :: Launch Multiple Screen Sessions From A Single Bash Script?

Jul 11, 2011

I've written a script (that doesn't work) that looks something like this:

#!/bin/sh
screen -dmS "somename" somecommand
for i in {0..5}; do
screen -dmS "name$i" anothercommand $i
done

For some reason, if I copy and paste this into a terminal, it creates 7 detached screen sessions as I expect. If I run it from within a script, however, I get only the first session, "somename," when I run screen -ls.

Edit: If the same can be accomplished another way (e.g. with multiple screen windows instead of sessions), I would be open those solutions as well.

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General :: Configure A Single Computer To Work For Multiple Simultaneous Users?

Aug 17, 2011

How can I configure a single computer to work for multiple simultaneous users? I would like to have multiple keyboards and monitors on a single PC ... Is it possible? This set up I'm planning for CyberCafe, For cyberCafe business ROI is very slow... so was planning to have something like this....

-single CPU (Which would act as a server)
-Multiple monitors, keyboards, Headphones etc....

If this works out then I would save a lot on my investments (OS cost, Hardware devices, electricity etc)

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General :: Xfce: Save Page As: Single File Vs Multiple Files?

Nov 28, 2010

I am using Xfce as the desktop enviroment and Mozilla Firefox as the webrowser. Within the webrowser window, I do File>Save Page As. I save it, and the result is almost always foo.html and directory foo_files. But I think under KDE I could choose the format, one of them being something like "Single page" (only one file; the colecction of .png, etc is embedded into that file). And this is the format I want Xfce (or Firefox) to use when downloading to hdd.

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General :: Create A Single Line Of Output From Multiple Variable Lines Of Input

Feb 3, 2010

I need to create a single line of output from multiple and variable lines of input in a Linux bash shell script.

My input file looks like this:

Where there may be any number of umsecondaryphonenumber lines; if there is not a umsecondaryphonenumber line for a telephonenumber, I don't want to write any output.

So, the output file should look like:

The script I have so far is:

My question is - how do print each of the elements of an array in one record - i.e. what do I put in place of howdoiprintarray?

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OpenSUSE Network :: Port Redirection - Multiple IP Addresses - Or Run On Port 80

Apr 7, 2011

In SuSE firewall0. I do have a openSuse 11.4 and multiple IP addresses on eth0 interface

I run (trying to/have to) multiple TOMCAT servers.

I am trying to have each tomcat instance listen to on separate IP address for example:

What i am trying to do is to redirect

a) tomcat 1 -

a) tomcat 2 -

And so on.

I know that it has to be possible.

I do have just eth0/

Is is it possible. Do I have to create "vittual interfaces"? eth0:1, .......... and do redirection ?

"Server" has got just single interface - just 1 ethernet calbe goes to that server. I am planning to have 10-15 tomcat's on that server (I have to unfortunatley) and each has to run on port 80

Is it possible to "grant" permissions to normal users to run app on port 80 - that would solve me lots of problems if impossible to redirect.

I tried to setcap 'cap_net_bind_service=+ep' /path/to/tomcat ...... but no luck

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General :: Is It Possible To Use Port For Multiple Connections?

Feb 18, 2010

A deamon say ssh will be listening on port 22. when a new connection is requested by the client, it will be authenticated and a new connection gets establihed with some port say 1025. And ssh will continue to listen on 22 for new connections.If I am correct then in my machine I observed following connections are establised to ssh port 22, As per my understanding connection should be established on a different port other than 22.

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General :: Multiple Hop Tunnel To Chain Port Forwarding

Feb 1, 2010

I was having trouble setting up a db connection from my local machine to a db server that was configured to only accept connections from machines behind its own subnet. I had trouble setting up a multiple hop tunnel for chaining port forwarding through my firewall machine on the same subnet as the db. My first attempt involved two port forwards, on localhost and on the firewall machine, which didn't work for me. This approach I found at URL... involved constructing an end to end connection to the db via the firewall machine.

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General :: Multiple Port Forwards With Same Router Ipaddress?

Aug 9, 2011

I have forwarded ssh and rdp protocols in the router which is in remote location. And i aslo configured dhcp reservation for my windows server's ipaddress. I have added that reserved ipaddress of windows server in the RDP port forwarding ip. And i connected to windows server through remote desktop with the ipaddress of the router because i needed a public ipaddress to connect. And now i am going to add my linux servers ip also to dhcp reservation and forward ssh port and give that reserved ipaddress. can i connect to linux server with same public ip that i used to connect for windows server?

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Fedora Networking :: Setup A Single Imap Server To Pop3 Service ?

Mar 31, 2010

My actual mail is via pop3 from verizon. What I've done so far is just pull my pop3 mail onto my main machine at my house. But I'm finding I'd rather have a single imap server on my network so then all my machines could see the same mail.

I don't really want the imap server to poll verizon for mail, I just want the imap server to check pop3 mail at verizon only when one of my mail apps checks into it to look for mail.

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General :: SMP Kernel Would Work With Single Processor / Work With Multiple Processors System?

Feb 10, 2010

If I have SMP kernel would it work with single processor or only work with multiple processors system?

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Ubuntu :: Single Ethernet Port Failure?

May 7, 2010

I keep on getting intermittent ethernet failures using a Gigabyte GA-MA790FXT-UD5P 790FX motherboard with a built-in network card. This is a problem on all operating systems.After many intermittent failures I think I've finally found the solution; turn the PSU off, wait until the CMOS light goes off (about 15 seconds), then turn the PSU back on. It appears a bug with Linux where a setting on the firmware of the network card is occasionally incorrectly modified causing it to malfunction, when power is removed from the device the setting resets to default and normal functionality is restored.

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Networking :: Single LAN Port Inexplicably Changes RSA Host Key

Feb 19, 2010

I am running several servers with multiple LAN ports. Two of the machines can communicate via two separate subnets to control bandwidth issues.

Machine 1: 10.0.0.1 (w/ additional alias 12.0.0.1)
192.168.1.1
Machine 2: 10.0.0.2
192.168.1.2

I see three separate intermittent symptoms on the 10.0.0.0 network.
1) Both machines will cut off in the middle of the data transfer (rsync) if it takes too long.
2) Both machines will claim that the RSA key host has changed on the other...this will happen every few minutes.
3) Both machines will, at times, disallow login from the other...ssh prompts for password but will not accept the password.

Performing any operation between the same machines via the 192.168.1.0 subnet has no issue (as of yet).From what I can see, the routing tables are set correctly. Machines were exact clones of each other. Machine 2 is a recently rebuilt machine with a fresh suse11 distro install. Symptoms on Machine 2 appeared immediately. I had this exact setup but reversed ip addresses before Machine 2 burned out without issue. All networks but the 12.0.0.1 are internal and there hasn't been any indication of attack.At times, running ssh-keygen -R <ipaddress> will fix issues 1-3, other times only 1-2.

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Software :: Single Port For KGDB And Console?

Apr 5, 2011

How can I use one serial port for KGDB and console in 2.6 kernel

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Server :: Cannot Restart Httpd Service Port 80 Already In Use?

Jan 16, 2010

I neded to make some changes to the httpd.conf file. Afterwards I tried restarting,but it won't restart.It's saying port 80 is already in use. after checking via lsof -i :80 I get this result:

[Code]...

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Fedora Networking :: Multiple IP On Single NIC?

Jan 23, 2011

I've been trying to set multiple IP my Fedora 14 but nothing seems to work. Upon browsing the net, I found there are two ways for it. One is eth0:0~eth0:n nd another is eth0-range0. All are configs under network-scripts. But neither of them worked for me. Even grabbing a working example from my live server doesn't do the trick (though the server is a CentOS 5.5).

Currently using eth0-range0
ONBOOT=yes
IPADDR_START=192.168.1.127

[code]...

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Ubuntu :: Single USB Install For Use On Multiple PCs?

Jun 29, 2010

I have an Ubuntu install on an 8Gb SDHC Card, customized for my Toshiba NB205. It took quite a bit to get sound and BT working, but now it's fine. Just out of curiousity, I used this same SDHC Card to boot my Dell D610 -- it booted, and sound and WiFi worked fine. I was surprised. There was a single error message after the desktop appeared, but I didn't record it.

I am now wondering: is it practical to use a single USB installation with multiple devices? I can imagine a number of complications, but was surprised that my attempt worked on two very different hardware platforms. There was discussion, when pendrives first appeared, of being able to use one to boot any PC to your own USB-based OS, bypassing any other OS installed on the PC.

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Server :: Multiple IP Address On A Single NIC?

Jan 20, 2011

We can add multiple IP address on a single NIC. Is there any limitation that is how many ip address I can add on a single NIC card??

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Security :: Limit Number Of Connections For Single Ip On Port 80 To CentOS 5.5

Sep 5, 2010

How to number of connections for a single ip on port 80 to CentOS 5.5 with iptables? connlimit did not work on CentOS and nginx does not provide a module for that

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