Software :: What Is Maximum Number Of Bytes Is Possible To Send From Udp Socket?

Oct 1, 2010

I am created one udp socket. i want to send the data(bytes) to another PC.i need to send 614400 bytes of data. while sending it saying error like" message is too long ". so what is the maximum possible data can i send from a socket?

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General :: What Number Of Bytes Should Set The Bs To In The Dd Command

Apr 3, 2011

I have just created a usb boot disk so that I can install Fedora 14.I used the following which was successfully. However, I am left wondering what does the bs parameter actually does. I know it mean bytes and copies these at a time. But how do I know what to set it to?dd if=F14-Live-i686.iso of=/dev/sdb bs=8MIn the above example it is set to 8MB. However could I set this to any value that I want?

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Programming :: Combine 40 Different Mount Points Into One Bytes Free/used Number?

Feb 18, 2011

We have a program that catalogs to 40 different mount points. The program is fine as long as thier is free space on at least one of the 40 mount points. My boss wants me to come up with a script that will email us daily to know how much overall free space is left. I know I can do a df but I don't know how to combine the 40 mount points into a single disk used/disk free report.

The 40 mount points are /dev/mapper/areaxx, xx being 01 to 40.

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Ubuntu Servers :: Maximum Simultaneous Socket Connection?

Sep 16, 2010

I'm writing a client-server program. There are more than 500 clients. I start a thread to process and response to each client and the processing needs some MySQL query. I'm looking for any possible hazards on my server!

1- Any limitation on "Maximum Simultaneous Socket Connection"?

2- Any limitation on using mysql?

3- As socket on Linux are file, Any limitation on number of sockets or threads?

I'm using a Linux server (Centos or Fedora or Ubuntu) and clients are both Linux and Windows.

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General :: Maximum Number Of Partitions With EFI?

Jul 5, 2011

I was wondering what is the maximum number of partition on an GPT-partitionned drive under Linux. The GPT partition table can contain up to 128 partitions, but the device nodes for /dev/sda? (as described here, block device of major number 8) only allow /dev/sda1 up to /dev/sda15. Does that means that there cannot be more that 15 partitions on a drive, even on a GPT-partitionned drive?

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Ubuntu :: Maximum Number Of Users?

Jan 7, 2011

How many users is it possible to set on Ubuntu 10.10? I have an Edubuntu LTSP system for a school (10 clients) and I wish to setup an user for each student/teacher (about 200).

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Programming :: Create Large Buffer In Program To Send And Eceive On Another Pc More Than 4096 Bytes

Feb 9, 2011

create a large buffer in my program so that I can send, and then receive on another pc, more than 4096 bytes (this seems to be the default for the serial port). I thought this might work:

[code]...

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Fedora :: Maximum Number Of Files In Ext3 ?

May 26, 2010

Is there a limit to the number of files ext3 can support?

Reason I'm asking is because on one of my internal drives, I have around 750,000 files. The drive is 500Gb and currently using 150Gb... I noticed recently that when I try to copy a new directory or file, the transfer rate is extremely slow at times. It is sataII and sometimes it gets as low as 500kb/s (yes, kb!)

Would somebody please shed some light?

I noticed it might be related to the process gvfsd-metadata

I'm using Fedora 12 64-bit

The transfer is from an ext3 to ext3 filesystem.

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General :: Maximum Number Of IPs That Can Be Assigned To A Given Computer?

Jan 11, 2011

I really need to know this for a linux server, but since it also applies to client OSes, I figured the question should be posed here instead of server fault.

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Ubuntu :: Getting Maximum Number Of Clients Reached?

Feb 18, 2010

In the last week or so, I've frequently been running out of X server client connection slots and getting "Maximum number of clients reached" errors. For example, I'm getting it right now and I'm running 3 pterms, Chrome, and Thunderbird; I've even killed my panel. 'xwininfo -root -children' produces what seems to be an absurd number of X clients (150-ish, when it's able to make a connection), even immediately after Gnome/Xfce startup.

It doesn't take long. A day at most. I've had this system up and running for months, and this just started happening. I did install some X development libraries (x11proto-core-dev, libmotif-dev, x11proto-print-dev, and x11proto-xext-dev plus their dependencies) about two weeks ago, but this problem has not been happening that long. I've installed other packages, but nothing that would seem to have any relation to this problem. I've logged out and in, rebooted, and changed from Gnome to Xfce, and none of the changes helped.

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General :: Maximum Number Of Files Per Folder?

Apr 28, 2011

I would like to ask you if there is any maximum allowed number of files per folder in linux (without risking it to lose everything). I am using openuse 11.4 with latest kde (4.6?).

I am trying something fast and dirty and it might be that one folder will contain like 10^6 files.

Is there is anything I should be warned about that?

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General :: Find A Ip Address Having Maximum Number Of Ram Available?

Jun 22, 2010

I have a file called abc.txt which has following contents.

10.180.8.231=31608
10.180.8.232=29011
10.180.8.233=31606

[code]....

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General :: Know Maximum Number Of Logical Partition?

Sep 11, 2009

I'd just like to know the max number of logical partitions an extended partition can hold. Is that number different for IDE and SCSI hard drives?

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Server :: Maximum Number Of Hard Links?

Dec 8, 2010

I have a 32-bit Linux server with an ext3 file system. Is there any kind of upper-limit to the number of hard links I am allowed to use? (Per inode...? Per directory...? Per filesystem...?) And (just out of curiosity) would this be any different if I had a 64-bit machine or a different file system?

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Slackware :: X11 - Maximum Number Of Clients Reached

Feb 21, 2011

I have done nothing with the system, but starting this morning, i experienced a strange condition on my desktop. I'm unable to open any applications at all. It will close instantly.

When i tried to run from terminal, it will give me an error like this:

Quote:

I checked using

Code:

And i got around 234 which is too much that it takes almost all of the open files allowed. Logging out to text and brings back X will solve the problem, but it's only a temporary solution until X opens more sockets again. I'm running -Current (32 bit)

It seems that there's a hackish solution in here: [url]. Dunno whether it's a nice solution or not, but i'm willing to try it.

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Ubuntu :: Increasing Maximum Number Of Applications In Browser?

Dec 28, 2010

I just installed maverick on my son's netbook, and so far we like the new unity interface. The main issue is that there seems to be a maximum number of apps that can be listed under any particular category in the applications browser. So for instance when he goes to his "Games" category, it only lists applications up through S (he has a lot of games installed).

So far I haven't found a settings panel for unity. There has to be a way to bump up the maximum.

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General :: Maximum Number Of NICs That Be Teamed With Redhat 5?

Mar 4, 2010

the maximum number of NICs that be teamed with Redhat 5?

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General :: The Maximum Number Of Characters And Rows In A Database?

Apr 18, 2010

Is the maximum number of letters a database table column can contain 255?and is it a bad idea to build a table with about 15 columns?

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CentOS 5 Hardware :: Maximum Number Of CPUs Supported

Oct 29, 2010

While searching for the maximum numbers of CPUs supported by CentOS 5 x86_64 I found the following page: [URL]. The question I have regarding the specified information ("64/255" logical CPUs) is, which number means what. Does this mean 64 real CPUs with a maximum of 255 cores/hyperthreaded CPUs or something similar or totally different?

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Debian Configuration :: Maximum Number Of Virtual Network Interfaces?

Feb 11, 2010

What is the maximum number of virtual network interfaces possible?I would like to create around 300 or so. This is needed to simulate a 300 node network.

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OpenSUSE Install :: Maximum Number Of X Display Failures Reached?

May 4, 2009

I tried ubuntu for a few weeks, but I couldn't get the nvidia drivers to work, I tried everything. So, I got sick of that, and went to download OpenSuse, which seems to be even nicer (..... ) I downloaded the 11.1 liveCD (gnome) from here. I nicley got the welcome screen, and the option screen (liveCD, check errors etc.). I chose LiveCD and it started booting, I got the splash screen with the loading bar, and after it completely loaded, the screen turns black with a lot of messages and at the end:

Code:
GdmLocalDisplayFactory: Maximum number of X display failures reached: Check X server log for errors.
Great, I hoped for better luck after Ubuntu..
My sys. specs:
Asus F3Sc 32bit
Intel CentrinoDuo

[Code]...

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CentOS 5 Hardware :: Maximum Number Of CPUs Supported With 5 X86_64

Jan 31, 2011

While searching for the maximum numbers of CPUs supported by CentOS 5 x86_64 I found the following page: [URL] The question I have regarding the specified information ("64/255" logical CPUs) is, which number means what. Does this mean 64 real CPUs with a maximum of 255 cores/hyperthreaded CPUs or something similar or totally different?

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General :: Maximum Number Of Clients ReachedThunar: Cannot Open Display

Jul 4, 2011

I with one problem to open files on terminal. By example, I open the thunar on terminal, see the error:

gustavo@universe /media/montagem $ thunar
(process:7902): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
Maximum number of clients reachedThunar: Cannot open display:
gustavo@universe /media/montagem $ ^C

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Fedora :: 14-Maximum Number Of Clients Reached - Unable To Open Display ?

Nov 6, 2010

Ever since upgrading to Fedora 14, my system has been almost unusable. I can only have a few windows of anything open before I start getting messages about:

Maximum number of clients reachedMaximum number of clients reachedMaximum number of clients reachedMaximum number of clients reachedxwininfo: unable to open display ':0.0'

I am unable to open any new windows then and lots of programs crash.

When things are still running correctly.

A few minutes later:

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CentOS 5 Server :: What Is The Maximum Number Of Logical Volumes In A Volume Group

May 15, 2009

what the maximum number of logical volumes is for a volume group in LVM ? Is there any known performance hit for creating a large number of small logical volumes vs a small number of large volumes ?

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Programming :: Tcp Client Socket : Get Own Port Number?

Oct 1, 2010

I am working with simple tcp client to establish connection to sockaddr_in servAddress and send data segment:

...
connect(sockfd,&servAddr,sizeof(servAddr)) < 0)
send(sockfd, pkt, pktLen, 0);
close(sockfd);
...

Elementary... Here's the tricky part: next i have to handle user level ack the server is sending to "client"... To do that i have to open server socket on the same port number the system assigned to my client socket before. How can i get it ( in user level code)?

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Programming :: Send A UDP Msg Across A Socket?

Jan 24, 2011

Has anyone had an issue with gdb not being able to send a UDP msg across a socket?

I have ComponentA sending a msg to ComponentB utilizing gdb. ComponentB gets the msg. ComponentB sends a msg to ComponentC. ComponentC does stuff to the msg and sends a msg back to ComponentB using gdb.
ComponentB never seems to receive the 2nd message.

If I don't use gdb the messages Tx and Rx without an issue.

I'm flying blind without gdb to figure out a different bug.

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Networking :: Send Array Over Socket

Nov 20, 2008

how can i send an array of string to the client from the server side?

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Programming :: Non Blocking Socket Send

Mar 7, 2011

Been trying all sorts of different things to implement a non-blocking send on a TCP server socket.As I kill the client, the server keeps blocking on the send no matter what. Am I missing something? Any other way to do that without involving any additional thread?

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Ubuntu :: Error: Allowed Memory Size Of 20971520 Bytes Exhausted (tried To Allocate 7680 Bytes) In /var/www/index.php On Line 2

Jan 9, 2011

I recently had to move to a new machine, everything went well except for one thing. I did fresh installation of LAMP server all with default configs. Every time I'm using PHP script to that invokes include, require or require_once I get the following error:

Code: Fatal error: Allowed memory size of 20971520 bytes exhausted (tried to allocate 7680 bytes) in /var/www/index.php on line 2 index.php file: PHP Code:
<?php    include "index.php";?>
icukapi.php file:
PHP Code:
<?php    echo "test";?>

My memory_limit in php.ini is set to 20M. I tried to increase that however it didn't quite work. PHP seems to allocate all possible space and return that message every time i try. If somebody has an idea of how to fix it I would be more than grateful. I spend quite a long time searching for an answer however the all things i found suggested increating memory_limit which in this case doesn't work.

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