Ubuntu :: Cant Provide Testing On Memory, CPU, Hard Disk Utilization And Also Stress Test?

Feb 24, 2010

is there any performance tool for linux? i av found phoronix but it cant provide testing on memory, CPU, hard disk utilization and also stress test.

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Hardware :: Possible To "stress Test" Hard Drive To Fail?

Nov 14, 2010

This is a general hardware question, but I trust the Linux community to be more clueful than those *other* OS users. I just picked up a new external hard drive. Back in the 8-bit era of the 1980's, there was a general consensus, that may have been an urban legend, that if a piece of hardware were faulty and was going to fail, then it would fail within the first $NUMBER hours of use, now $NUMBER varied from 100 to 500, depending who you talked to.

While the above *seems* to make sense, does it, indeed, make sense? Be that as it may, given that I do subject the new hard drive to big buckets of read/writes and it does not fail, does anyone have any opinion on whether this is any sort of a guarantee that the new hard drive is less likely to be faulty and that I can feel more secure of its ability to not melt into a pile of slag on my desk?

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OpenSUSE Hardware :: Uses The /dev/freefall To Provide Hard Disk Head Crash Protection?

Jun 26, 2010

I wish openSUSE to supply a daemon, which uses the /dev/freefall to provide hard disk head crash protection. There is an example application in usr/src/linux/Documentation/hwmon/hpfall.c which might be used as a base for such a daemon and the needed modules (hp_accel and lis3lv02d) are present in kernel 2.6.31.

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Ubuntu :: Stress Testing Installations For Performance And Stability

Feb 13, 2011

I'm going to be installing Vinux which is Linux for the Visually Impaired, based on Ubuntu, onto most any computers I can get my hands on to give to the VI community around my area. I'd like to know what would be a good method to stress test each computer to ensure that each one will operate at an adequate speed without freeze-ups. Sorry, I can't be specific about the computers. I'll be taking whatever gets donated from the public and from businesses, desktops and laptops, whatever comes my way. I don't want to send out any headaches to anyone by giving them a dog-tired slow or a freezing computer that won't even operate.

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Software :: Find A Program For Stress Testing Cpu?

May 26, 2010

i have bin trying to find a good program for stress testing my cpu.

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Ubuntu :: Installing Puppy - HDD Stress Test?

Jun 16, 2010

Just put an old desktop to work by installing Puppy on it. I have another HDD that I think didn't work very good, so I'm gonna plug it in and test, but I don't know what to use to stress it.

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Ubuntu :: Stress Test CPU / GPU While Monitoring The Temperatures

Oct 5, 2010

After turning off the overclocking (When I actually turned it off, I realized it didn't really make a noticeable difference) of my CPU and lowering the fans of my PC, I would like to stress test the GPU/CPU, and obviously also check the temps while doing so. The fans on my PC were previously so loud you couldn't even have a conversation on the phone while in the same room as the computer, and I just now realized how much I can actually lower them... But I don't want to lower them too much, obviously.

So, anyway, because of these reasons I would like to stress test my CPU/GPU while monitoring the temperatures. I'd need software for doing so, Linux or Windows doesn't really matter, I have both. Also, I need to know what minimum/maximum temperatures that are okay.

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Software :: Find A PowerPC CPU Stress Test?

Dec 22, 2010

Does anyone know where I can find a PowerPC CPU stress test? I have came across many Linux CPU stress test but none of them seem to support PowerPC.

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Software :: Finding A Network Performance/stress Test Program?

May 14, 2010

I'm looking for a Linux program that will do some simple network performance/stress testing.

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Ubuntu Servers :: 10.04 LTS Memory And CPU Utilization Spikes?

Oct 21, 2010

I have a Ubuntu 10.04 LTS and about 40 ThinClients running LSTP in a school's computer lab. Everytime the users start to use applications, the server's memory utilization increases, while the swap memory is quite free. I have 12GB of memory on that server.

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Red Hat / Fedora :: Memory Utilization For Particular Process

Jul 15, 2009

Is there any command to get the memory utilization of a particular process in Linux?I tried with Top and /proc/pid/status commands but the results are not proper, the memory keeps on increasing.Can anyone tell other than Top and /proc/pid/status commands ?

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General :: High Memory Utilization By System?

Nov 11, 2009

I have a server running samba process and there are about 70 samba users connected at a time. The system has 4Gb of memory and it seems each samba process is utilizing only 3352Kb of memory.
When I run the command
pmap -d (pid of samba)

It gives as:
b7ffa000 4 rw-s- 0000000000000000 0fd:00003 messages.tdb
bfe46000 1768 rw--- 00000000bfe46000 000:00000 [ stack ]
ffffe000 4 r-x-- 0000000000000000 000:00000 [ anon ]
mapped: 33384K writeable/private: 3352K shared: 20504K

But when I run the top command, it results as below:
Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9% us, 4.9% sy, 0.0% ni, 93.3% id, 0.8% wa, 0.2% hi, 0.0% si
Mem: 3895444k total, 3163192k used, 732252k free, 352344k buffers
Swap: 2097144k total, 208k used, 2096936k free, 2487636k cached

Why could the system be utilizing such high memory? By the way, the server is not running other processes. The samba version running in it is 3.0.33-0.17.

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Software :: Using "Fsstress" File System Stress Testing Program?

Jul 11, 2010

I have been assigned a project in which I have to test File System stress testing using "Fsstress" tool. I have to do this for a local file server. I don't have any idea as how to and what to install FSSTRESS on the Linux machine. I searched an rpm package and installed it on File server however, I don't have any idea about the commands and working of the FSSTRESS. My task would be successful if I can just run few stress testing test cases using FSSTRESS and come up with test results.

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General :: Damaged Hard Disk Doesn't Pass SMART Test, And , Won't Boot With It Connected, Even From A Live CD?

Sep 19, 2010

Its basically an old SATA Hard Drive with a Windows XP partition I was trying to sell.When my computer does the BIOS checks, it doesn't pass the SMART test (but I can boot it anyway), although I can't boot Linux in any way with this Hard Disk connected (I even tried Live CD distros, like Parted Magic).I can boot the XP partition from inside the disk, although I guess its pretty close to not being able to. Is there any way to "fix" this Hard Drive?

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Security :: Hard Disk Memory Usage Weirdly High

Apr 2, 2010

i am having a problem that i would call a bit "important" with my server. so, from last 3 weeks the used space of my hard disk (RAID I) started growing up. i have 2 x 1 tb HDD working on RAID I and i did not install anything those weeks. the space just started changing from 90 GB till 580 GB. now the situation is stable there but i think it's not normal.

the bandwidth usage is low (like 120 gb in 2 months) and i am running 6 counter strike gameservers, a forum, a very little website and some local stuffs... a friend of mine told me that my server could have been hacked but i am afraid it did... some useful informations: when i reboot the server the used space goes down again to ~100 GB and then it starts going up again. i cant really find where all those files are located:

[Code]...

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Server :: Apache Web Server Stress Test

Jan 8, 2010

I need to a software can test my apache server under high traffic.for example can simulate 1000 user request to my server and give me good statistic. I have found this product, but that is not free If any one know such as this program I will happy for inform that.

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General :: Scsi RAID Jbod And Arrays - Disk Utilization And The Corresponding Low Data Transfer

Jul 6, 2010

So I have a system that is about 6 years old running Redhat 7.2 that is supporting a very old app that cannot be replaced at the moment. The jbod has 7 Raid1 arrays in it, 6 of which are for database storage and another for the OS storage. We've recently run into some bad slowdowns and drive failures causing nearly a week in downtime. Apparently none of the people involved, including the so-called hardware experts could really shed any light on the matter. Out of curiosity I ran iostat one day for a while and saw numbers similar to below:

[Code]...

Some of these kinda weird me out, especially the disk utilization and the corresponding low data transfer. I'm not a disk IO expert so if there are any gurus out there willing to help explain what it is I'm seeing here. As a side note, the system is back up and running it just runs sluggish and neither the database folks nor the hardware guys can make heads or tails of it. Ive sent them the same graphs from iostat but so far no response.

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General :: Write A Script To Report Useful Information On Disk Utilization For Each User's Home Directory

Feb 27, 2010

I need to write a script to report useful information on disk utilization for each user's home directory.For each directory I need to show: 1. the long listing of that directory entry (but not the files in the directory), so that I can see the rights and owners of the directory.2. The amount of disk used by that directory, in human-readable format, including subdirectories. I need to have two lines for each user one after the other. For example:

/home/user1 directory info
/home/user1 disk usage
/home/user2 directory info
/home/user2 disk usage

The script will assume that all users, except user root, have their home directories in the /home directory (no need to do anything with the /etc/passwd file). And if the administrator adds or removes users, the script should still work correctly (so the script shows the information for all current users).

Here's what I do know. The command "ls -ld /home/user's_name" will give me the info I need for #1. And the command "du -hs" will give me the info I need for #2. What I don't know is how to grab each individual directory in order to apply the above commands to each of them in order. ???

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Hardware :: Master Hard Disk Error After Installing Ubuntu 8.10 / Hard Disk Died

Apr 8, 2009

after installing Ubuntu on one WD 500 GB hard disk and after making mistake and pasting wrong code into Terminal:my OTHER WD 500 GB hard disk that was also in the system (I guess it was "hd1") - died.The problem must be, I guess, I typed wrong code: "hd1,1" instead of "hd0,0".)500 GB (NTFS) of data was on that other (non-Ubuntu) hard disk, and now I can not access it anymore. While booting, system gives "Hard Disk Error" warning and stops.One again: I installed Ubuntu od one hard disk and at the end of instalation I pasted wrong code for GRUB, giving address of another hard disk. Now that other hard disk has error and will not work

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Ubuntu Installation :: Copy Hard Disk Have 10.04 And Ext4 To 1000 Hard Disk?

Sep 23, 2010

I want to copy hard disk have ubuntu 10.04 and ext4 to 1000 hard disk for new 1000

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General :: Ubuntu Working On Thin Client Cannot Provide Accurate Disk Space Reports?

Jul 26, 2011

We are using thin client systems in our work environment. There is a central ubuntu server and by using thin clients, we are connecting to our homes. The problem is when I try to install an application, it reported me that I had 200 mb of disk space. But when i try to look from console, I see that /home folder has over 250 gb s of disk space. Even when I try to look from baobab, Disk Usage Analyzer in Ubuntu, i see that my home file system is full.

So what's the reason that I am receiving different kinds of disk space report from different sources? Our system admin here told me that some applications foolishly try to see the physical devices on the thin client and got confused as a result. Is this true?

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Hardware :: Adding Second Hard Disk With Windows To Boot With Grub On First Hard Disk

Jul 7, 2009

I have a sata 320 gb with mandriva linux 2009.1 on it.And it is what curently atached to my cpu. It is shown as 'sda' in the partition table.I also have another 40gb hard disk with windows xp installed on it.It is shown as 'hda' in the partition table . Now what i want to do is attach this 40gb hard disk to my pc and configure grub on my 320gb hard disk('sda') so as to boot windows xp(which is residing on the second hard disk,'hda')Can anyone tell me if what im doing is feasible or not? If it is feasible,can anyone suggest me how to get it working. I know i just need to add 2-3 lines to my grub.conf, but dont know what exactly i need to write.

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General :: Changing GRUB From An External Hard Disk To The Internal Hard Disk?

May 14, 2010

I had a dual boot (windows 7 + debian), both of them installed in my internal hard disk, with the GRUB in it. I have recently installed a second linux distro (mint), but I put it in an external hard disk. Now the GRUB allows me to boot any of the three operating systems, but I need the external disk to do it. It seems that after the mint installation the GRUB is now working from the external disk (if the external disk is not connected, the machine does not boot.) �Is there a way to change the location of the GRUB, to the internal hard disk of my laptop?

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Hardware :: Check Hard Disk For Errors. Possible Hard Disk Failure?

Jun 21, 2011

I was using Terminal and browsing a directory in my home folder. My "home" directory is located on "/dev/sdb1". When in Terminal I typed "ls" in one of my directories and the output was garbage. The output didn't show the files in the directory. I think it said something like, "input/output error". Unfortunately, I didn't write the exact error down. Instead I rebooted.The hard disk with the problem is:

Code:
$ sudo hdparm -I /dev/sdb
[sudo] password for brian:

[code]...

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General :: Testing - Stop OS From Allocating More Memory To A Process

Dec 2, 2010

I want to test that a process properly kills itself and restarts when it can't allocate needed memory. One idea I had was to start other memory-consuming processes and hope that OOM killer kills the process being tested, but 1) this isn't quite the same; 2) it may kill other processes instead; 3) since this is an embedded system, I don't have any programs available except for the system under test and BusyBox.Is there a more direct way to ensure that Linux won't allocate memory to a process?

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General :: Testing Efficiency Of Memory System Part

May 7, 2010

I have applied a patch in linux kernel version-2.6.31(fedora core 12)source code.Now I want to check whether the performance of the memory management part has been enhanced. So how to test the efficiency of this new modified code?

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General :: Test Memory DIMMs For A Server?

May 16, 2011

I need to check if my DIMMs are working fine on my server.

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Ubuntu :: 10.04 Kernel Panic-not Syncing And Failed Memory Test?

Aug 7, 2011

this is a dual boot XP/UBUNTU 10.04. while using XP, the computer rebooted itself. the GRUB's screen appears, but neither the ubuntu nor the XP option works.

Ubuntu gives this error message:

Code:
0.797795 kernel panic-not syncing: vfs: enable to mount root fs on unknown-block (0,0)

XP hangs on a black screen... and that is it (thanks for support windows!) UBUNTU 10.04 live CD hangs when the 5 processing dots appears bellow the ubuntu logo. hangs the same way with the processing bar in UBUNTU 9.04 live CD. memory check (memtest86) is showing thousands of errors right from the start.

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General :: Use Hard Disk Image Like A Regular Hard Disk?

Apr 6, 2010

If you have a hard disk image (including partition table, multiple partitions,...), is it possible to let Linux treat it as a regular hard disk?

By "regular hard disk" I mean I would like to have the image show up as, for instance, /dev/hdx and its partitions as /dev/hdx1,...

(I know I can mount one of the partitions in the image using "mount -o loop,offset=x ..." but I don't really like this option.)

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Ubuntu :: Computer Booting To System Memory Test In Grub Menu?

Feb 20, 2010

I'm very new to Linux but when I first installed it, I downloaded the Start-Up Manager so I could change the boot order. I have a dual boot Windows-Linux, I set the default as Windows. Recently my computer started booting to the system memory test in the grub menu instead of Windows. When I try to open the Start-Up Manager now it asks me for the password as usual and then does not start. How I would change it back to windows for the default? I'm running Ubuntu 9.10.

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