General :: What Is The Maximum No Of Processes That Can Be Run

Jul 23, 2010

I want to know what is the maximum no of processes that can be run in Linux ,as it is a multitasking so what is the limit of this.

some one told me that 8192 but why this not 10000 or 500 why 8192.

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Debian :: Utility For Stop All Dispensable Processes Giving Maximum Resources For Games?

Sep 6, 2010

Are there a utility for stop all dispensable processes giving maximum resources for games ?

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General :: Set Fans On Maximum?

Dec 24, 2010

How can I set my processor fan to 100% in linux?

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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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General :: Maximum Date Value From A File?

May 10, 2011

I am facing a problem in finding out the maximum value of a field using awk .. The field is of date format i.e. (MM/DD/YYYY) ..

The contents of the file is :

2/2/2011 XYZ
2/2/2011 XYZ1
2/3/2011 ABC
2/4/2011 ABC

[Code]....

I need to find the maximum of the first column i.e. my output should be 2/12/2011 ..

I was using the below awk script : awk 'n < $0 {n=$0} {print n}{print $0}' <source_file having the above data>

But the output I am getting is 2/9/2011 instead of 2/12/2011 ...

what could be reason for this output and how can I get my desired result ..?

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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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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 :: Fixed Maximum CPU Usage For A Process

Jan 31, 2010

Are there a way to set fixed maximum processing power to a process.For example a program called 'X' uses cpu in high speed. I need to set this 'X' process to to run with maximum 20% of cpu usage at any time.

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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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General :: Trash Has Reached Maximum Size

Mar 8, 2011

When I try to delete a file, ( move to trash ) It says , The trash has reached It's maximum size! clean the trash manually. When I click on the trash icon on desktop it is empty. Where is the trash? Where can I delete these files ?

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General :: Boot - Maximum Vmalloc Parameter Size?

May 31, 2011

First off all, I'm booting from a large MEMDISK using PXE (900MB) . Due to our environment, I cannot decrease the size, nor move files to a nfs/iSCSI/... environment. Everything needs to be in that MEMDISK.

Now, when I try to run the OS, I get out of vmalloc space. How do I increase it to a number which allows such a large image to be mapped? I tried the parameter "vmalloc=1280M", but with that parameter, I don't get past the Booting the kernel screen.

Memory should not be an issue, since the machine(s) have at least 2GB RAM. (900MB MEMDISK + 256MB for other kernel stuff + 768MB for user stuff). The machine(s) have a Pentium 4 Extreme Edition processor, with hyperthreading and SSE2, but no EM64T.

How can I boot the system, and get past that message? Decreasing the MEMDISK size is not possible too. It is at the smallest we can get with our userland + kernel + modules.

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General :: Changing Maximum Shared Memory Size

Jul 17, 2011

How do I change the size of the available shared memory on Linux?evidently 4GB is not enough for what I am doing (I need to load a lot of data into shared memory - my machine got 8GB of RAM).

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General :: 512KB Maximum Transfer Size Per Command?

Apr 7, 2011

I'm using fc14 and the SG driver to test some SCSI (SAS) targets. In doing so, I'm bumping up against what appears to be a 512KB maximum transfer size per command. Transfers up to 4MB sometimes work, but often they result in ENOMEM or EINVAL returned from the write() function in the SG driver. I could not find any good documentation on how the SCSI system in Linux works so I've been studying the source for drivers in drivers/scsi.

I see that there is a scsi_device struct that contains a request_queue struct that contains a queue_limits struct that contains an element called max_sectors. The SG driver seems to use this to limit the size of the reserve buffer it is willing to create. I see that there are several constants used to initialize max_sectors to 1024 which would result in the 512KB limit I see (with targets having 512 byte sectors). At this point I have several questions:

1) When the open() function for the sg driver gets called, who initializes the scsi_device struct with the default values?

2) Can I merely change the limits struct to arbitrary values after initialization and cause the SG ioctls to set the reserve buffer to allow greater values?......

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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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General :: Using / Usr / Bin / Time Always Returns 0 When Getting Maximum Resident Memory?

Mar 5, 2010

First time here at LQ, so if the post is in the wrong place, this is a bit programming related. I've been trying to find the maximum resident memory of a process in a memory constraint situation.

Instead of using top, or ps, which gives me real-time snapshot at the memory usage of a process, is there a way to determine the maximum resident memory used by a process? /usr/bin/time seem to provide this functionality within the format string

[Code]...

The minor page-fault is suspicious, does that mean memory is being used.. but not recorded? if so, how can I know how much memory is being mapped?

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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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General :: Find Out Maximum Size Of A Image Disk File Created By Kvm-img?

May 22, 2011

I created a VM disk image with kvm-img, but I forget what was the max size of that disk image when I created it. Currently, its size is 6.2G, I want to install some large packages in that VM, so I want to make sure the disk image can expand to an adequate size.

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General :: Break Copy Process When Folder Size Reaches Its Maximum?

Mar 19, 2011

I have written a script.

#/bin/bash
a=`du -sh /root/samplefolder | cut -f1`
echo $a > testfile

[code]....

The aim of this script is, when the folder reaches 20M then attributes will be set to that particular folder so that no newfiles and folders cannot be created or copied to that samplefolder. whenever i copy a file morethan 20M to that folder its getting copied fully and then the attributes were applied. But i dont want this to happen, when the folder reaches its maximum current write operation to that folder should be stopped automatically with a error.

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General :: Squid Cache_dir Hard Disk Space Reaching The Maximum Size?

Jan 20, 2010

I have set up squid server. My cache directory has been set up as per following statements.cache_dir ufs /Cache1/squid 10000 16 256cache_dir ufs /Cache2/squid 10000 16 256Now the problem is that size of /Cache1 and /Cache2 has reached to about 8GB and in near future it will reach the maximum limit of 10GB. I just want to know that whether I need to delete the contents of these directories or otherwise.

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General :: Cannot Get Rid Of Xterm Processes

Jul 26, 2010

I had this error when installing and running a vncserver before, which I have now removed. However, the xterm's seem to remain in the system and are regenerating themselves. Should the pid IDs stay the same each time I run this?

Code:
[root nxserver]# pidof xterm
15034 15033 15032 15031 15030 15029 15028 15027 15026
[root nxserver]# pidof xterm
15044 15043 15042 15041 15040 15039 15038 15037 15036

[Code].....

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General :: How To Know What Processes Are Running

Jun 6, 2010

GNU/linux kernel 2.6, Slackware 12.0.Hi:How do I know what processes are running?

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General :: How To Monitor Some Processes

Apr 30, 2011

I need to create a small list of processes in a monitor.conf file. A shell script needs to check the status of these processes and restart if they are down. This shell script needs to be run every couple of minutes.

The output of the shell script needs to be recorded in a log file.

So far I have created a blank monitor.conf file. I have gotten the shell script to automatically updated every couple of minutes The Shell script also sends some default test information to the log file.

how I go about doing this part ? A shell script needs to check the status of these processes and restart if they are down.

I have put in the conf file the below commands but I am not sure if this is right.

ps ax | grep httpd
ps ax | grep apache

I also dont know if the shell script should read from the conf file or if the conf file should send information to the shell script file.

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General :: Show Only The Processes That Use More Than 10% Of The Cpu?

Apr 24, 2011

I am trying to show only the processes that use more than 10% of the cpu. I have managed to get it to show the processes in use using:

ps -eo pcpu,cpu,nice,state,cputime,args.

Then I am unsure how to sort this information so it only shows over 10%?

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General :: Change Priorities Of ALL Processes?

Jan 28, 2010

I know that you can modify the nice value of a particular process as follows:renice 19 -p 4567However, now I would be interested to set the renice value of ALL active processes.I am coming from the Win world so what I tried warenice 19 -p *Of course it is not working... Anyone a quick solution how to do that in Linux?

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General :: How To Log All Processes Launched And Arguments

Dec 16, 2010

I would like to get a log of all processes that are launched with the time that they were launched and the arguments they were launched with. Is this possible in Linux?

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General :: Signal Communication Between The Processes?

Sep 20, 2010

I am writing a code which communicates between 2 processes created by fork() statement. Parent reads a file and write the data into a shared memory and sends a signal to the child. The child then receives a signal from the parent to start reading. After finishing the read operation the child sends a signal to the parent asking it to resume its action. Some things are going wrong in my code.

1. segmentation error in memcpy() statement.
2. terminal hangs after running the code.
3. Synchronization problem between processes..

Code: #include <stdio.h>
#include <sys/types.h>
#include <wait.h>
#include <unistd.h>

[code].....

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General :: Distinguish Different Processes Of The Same Program?

May 22, 2010

First I create a named pipe at /tmp/.pipe by

Code:
mkfifo /tmp/.pipe
which is then used in a shell script called A.sh like this

[code]....

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General :: How To Monitor CPU / RAM Usage And Top Processes

Mar 18, 2010

I have a question. I want to monitor
- CPU usage daily
- RAM usage daily
- Harddisk Space
- top processes
- hardware failure

What commands do I need to run to output the result to a log file? I know there are solutions both paid and free, but my company does not allow. they want linux built in commands or methods to do it. I do not know bash scripting. I know some commands like "df -h" to monitor harddisk space but not sure on the other stuffs.

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