I'm writting an app and I need to get information about all devices in the computer, using the minimum of dependences. ok then ...Now I need to get information about memory, I already selected some information from:
Here is the problem, I need the model and manufacturer of the memory, but none of these is providing this information. dmidecode should, but the field came black.
Kernel 2.6.21.5, Slackware 12.0
Is there a linux/unix program that gives the following info?:
(a) Installed hard disks manufacturers names.
(b) Disk geometry (number of cylinders, heads and sectors per track).
When I tried to install fedora13, f13's installer kept seeing my hard drives as a "BIOS RAID set (mirrorred)". Ubuntu10.04's installer had the same problem with my drives but that installer was less informative than f13's installer. U10.04's nstaller just stalled in the first screen, the one with the word Ubuntu above five dots, giving no hint as to what it didn't like. My pc came from Dell with 2 identical SATA hard drives in a RAID level one array. I changed CMOS settings from "RAID ON" to "ON" for each hard drive. That did not dismantle the RAID configuration, at least not n a way that satisfied f13's installer.
I reinstalled xp and tried to install f13 after a minimal xp installation. f13's installer detected "BIOS RAID metadata." What is it that f13's installer is detecting? I thought this might have something to do with nVidia's nForce4 Serial ATA RAID controllers. These are installed when you install the version xp that came with my system, not like most other drivers which you install after xp. I contacted nVidia but they couldn't help me with this. Well, it turns out to be Dell's fault. They place this "BIOS RAID metadata" in a special place on each hard drive of a RAID set. It survives even the formatting that accompanies a reinstallation of xp or any os.
If you want to truly dismantle a manufacturer's RAID set, you must use software like "dban" [URL] to thoughly wipe clean the drives. Download dban, burned it to a cd, then boot that cd. dban's auto??? command didn't work for me but its dod command did the trick. The process took about seven hours for each of my 160gb hard drives.
I have seagate 40G IDE PATA hard-disk, 1.5G RAM and would like to extend another 40G hard-disk manufactured by Maxtor. I've Ubuntu 10.10 and Windows XP on different partitions.will it be OK if i extend hard disks by different manufacturer and are there any risk of disk failure probably in the future.
View 4 Replies View RelatedI would like to send a specific option 15, domain-name, to a few clients on a network from a specific manufacturer. Usually all clients [URL] from the DHCP server, but when a client with mac address bellonging to manufaturer A asks for an IP address I would like to give them [URL] How would I go about doing this? Feels like it should be possible but I am not sure how.. I remember doing something similar in a microsoft DHCP server using vendor-identifier and passing out a vendow-specific option.
Quote:
class "xxx" {
match if substring (hardware, 1, 3) = 00:00:10;
option domain-name "yes.this.works.com";
}
/Carl
I wish to read the Manufacturer data and other details such as Device ID, Serial number on a USB drive.
1. Could anyone help me out with information on the memory structure of a USB drive? (which location is the mnfr data stored?)
2. Are there are any commands in Linux that will help in reading/accessing this data?
I am trying to introduce a bar code scanner to Red Hat Ent 5 OS based Box, since the PC is brand new and manufacturer decided not install serial port any more instead I have 5 USB port 1.0v. Unfortunately the scanner device give output on serial port which is incompatible to computer's USB port.I try using converter USB to Serial and Serial to USB; but all efforts are avail and NO reading I can capture in to Linux box. I wonder if any one has configured Bar-code Scanner which has serial port while computer has USB port PLEASE enlighten me if you can
View 2 Replies View RelatedWhen I tried to install fedora13, f13's installer kept seeing my hard drivesas a "BIOS RAID set (mirrorred)".Ubuntu10.04's installer had the same problem withmy drives but that installer was less informative than f13's installer. U10.04's installerjust stalled in the first screen, the one with the word Ubuntu above five dots, giving no hintas to what it didn't like.My pc came from Dell with 2 identical SATA hard drives in a RAID level one array.I changed CMOS settings from "RAID ON" to "ON" for each hard drive. That did not dismantle the RAID configuration, at least notin a way that satisfied f13's installer.
I reinstalled xp and tried to install f13 after a minimal xp installation.f13's installer detected "BIOS RAID metadata."What is it that f13's installer is detecting?I thought this might have something to do with nVidia's nForce4 Serial ATA RAID controllers. These are installed when you install the version xp that came with my system, not like most other drivers which you install after xp.I contacted nVidia but theycouldn't help me with this.Well, it turns out to be Dell's fault. They place this "BIOS RAID metadata"in a special place on each hard drive of a RAID set. It survives even the formatting that accompanies a reinstallation of xp.
If you want to truly dismantle a manufacturer's RAID set, you must use software like "dban" (www.dban.org) to thoughly wipe clean the drives. Download dban, burned it to a cd, then boot that cd. dban's auto??? command didn't work for me but its dod command did the trick. The process took aout seven hours for each of my 160gb hard drives. Hey, i was real impressed by the help i got throughout all the twists and turns that took this problem far away from the original statement Special thanks to Scotty38and to the "Troy Polamalu looking" young man working at Best Buy here in Little Rock, he understands how manufacturer's are shipping their pcs.
I am using malloc and frees a lot in my program. It shows its allocated but when i remove it doesnt show as the memory is removed(I am using the top command to view VIRT memory usage). If this continously grows what would happen to my program (Will it go out of memory?)
View 4 Replies View RelatedFedora 14 xfce
HP Mini 210
I am looking to buy some memory for my netbook. Currently I have 1 GB of DDR3 memory. However, the specification says that 2 GB of memory is the max. However, when I do the following it says that 4GB is the max:
[Code].....
I have a computer with 16GB of ram. At the moment, top shows all the RAM is taken, (NOT by cache), but the RAM used by the various processes is very far from 16GB.I have seen this problem several times, but I don't understand what is happening.My only remedy so far has been to reboot the machine.
View 1 Replies View Relatedlet me know how to clear cache memory ( RHEL 5.1 ) as it consumes almost 100% physical memory.
View 3 Replies View RelatedI am looking for free database that has low memory usage and innodb and memory like engins that has C API and support trigger and client/server support for using in embedded linux systems.
View 8 Replies View RelatedI am new to C and linux. My code below does arbitary writes but I cant figure out where or how it does it.
I am calling the insertNode() function with seq = 'MISSISSPPI$' and alphabets = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ$'
Code:
Weird behaviour I should mention is that when I check for NULL pointer in node->child[index], the unassigned values are not null anymore, they point to arbitary memory.
we found that if we use 'top' to show the memory usage of a server (SuSe Linux 10), we can get virtual memory usage as well as 'Resident memory' usage. For virtual mem or a particular process, it is around 1.1GB, which is large but for resident memory, it only consumes 300MB. Are there anyone who knows what the differences are? I would also like to know whether the difference (1.1GB - 300MB) = 800MB are actually available for use by other applications in the system.
View 1 Replies View RelatedI get this error when I run "sudo apt-get install python-software-properties"
Preconfiguring packages ...
dpkg: unrecoverable fatal error, aborting:
fork failed: Cannot allocate memory
E: Sub-process /usr/bin/dpkg returned an error code (2)
I'm trying to install deluge via ssh and my vps has 512mb ram and is only using 11% of it prior to running the code.
How do I write a script for my Linux that can show me total memory vs used memory and have it email me results if it's over 70 percent?
View 2 Replies View RelatedI am monitoring physical memory in a server I administer, and my hardware provider told me they had increased physical memory size to 4Gb... However, using several tools (free -m; top; dmesg | grep Memory; grep MemTotal /proc/meminfo I discovered that I actually have 3Gb, not 4... But, my doubt comes from the fact that dmesg | grem Memory tells me I have 3103396k/4194304k available The first number is effectively 3Gb, but the second one, is 4! so, why I am looking at this two different numbers?
View 1 Replies View RelatedI have had a fresh install of Ubuntu 9.10 and installed some software after that.Since third some, some process is eating half of my memory.I have checked processes running in system manager but everything is normal.Maximum is consumed by compiz which is about 26 mb, seems very normal.I did restarted my computer several times, and in the start for 5 mins, its fine after that again my cpu fans runs at very fast speed and my one cpu is used up 95 % (I have dual core).Please help me out, this invisible thing is driving me crazy.I am attaching my htop screen shot (sorted by cpu %), now the cpu is not used by completely but fan is still struggling hard and fast.
View 9 Replies View RelatedI am writing an application that wants to access periphals registers outside the standard (allowed) memory area.
Doing so gets me "segmentation fault".
I know, this is natural behaviour.
One way of getting around this is writing the module which has to be loaded by linux. I will consider this some time later.
For now, I want to come to some quick result and allow linux or gcc compiler to write to those memory areas of periphals. Is there a direct way to do so?
Is that possible that SHM shared memory is counted as cache memory on Linux with kernel 2.6.18?If find it really odd since this memory is not file backed, but I have a piece of code that loads data using shm_open+mmap, and it generates an amount of cache memory in /proc/meminfo that corresponds exactly to the amount of shared memory (I load that data from a file but I am using posix_fadvise(fd,0,0,POSIX_FADV_DONTNEED) to ensure this file is not cached and I made sure that it is working as expected). As far as I know SHM memory was not tagged as cache memory with kernel 2.6.9.If it is the case it is really unfortunate since normally cache memory can be considered to be part of the "available" memory since it can be flushed promptly but this is clearly not the case with SHM memory... Is there an easy way to get the total amount of used SHM memory on a system?
View 4 Replies View RelatedThis is my first post in these forums. I'm still quite new to Linux (using Mint 9) so please bear with my not-very-articulate question(s)When I boot up and open up a tty terminal I get a message saying "Memory corruption detected in low memory." I've done an extensive google search about the issue and it seems not uncommon. I ran a memtest with no errors returned, so I'm sure that there's nothing really wrong with the memory; apparently it's a bug in the kernel that's causing this.
View 2 Replies View RelatedI found from command 'top' that 8GB memory are used. However, using command 'ps' with some options to grep the running processes and then summing up the memory used by the running processes are less than 2 GB. Where has the used memory gone ?
View 7 Replies View RelatedI have been setting up a vps I got out with bhost.net, with CentOS installed. I've been learning and have set up everying I need with the exception of ftp/sftp.
Using yum I installed vsftpd and ran into problems, thinking it was something I might of done I did a fresh install of CentOS and I still recieve the same problem on a fresh install so it is nothing I have done to the server.
The problem is when connecting via a sftp client I get an out of memory error. This error is listed in the putty faq ( url ) under A.7.5, there is a brief explaintion of the cure under A.7.6.
there is mention of a login script but I don't know where this is located. I'm a novice at Linux but by no means incompotent when it comes to computing.
I have a query regarding top & virtual memory. When we run top it show VIRT (Virtual Mem), RES (Resident Mem) & SHR (Shared Memory). The total virtual memory of my machine is 4 GBs (2 GB RAM + 2 GB Swap), but still I am able to see a process showing 4000m virtual memory column. what it means, as its show VIRT Mem more than actual available VIRT memory
View 1 Replies View RelatedWhen I start bluej and try to open files from my memory stick the memory stick is not available. Is there any way that I can open files directly in bluej from my memory stick.
View 3 Replies View RelatedI have a sony vaio vgn-ns3oe with Fedora 11 installed.
I have 4GB of memory installed.
The laptop came with vista home premium which I wiped and installed Fedora 11 but forgot to check if everything was working ok. code...
I'm running 10.04 on a machine with 512 MB of RAM and a 3.2Ghz processor. Without any programs open, memory usage is around 350 out of 500 MB, or, around 70% of total memory.
I was previously running 9.04, but upgraded to get the long term support. Although I don't have it installed now, and didn't write it down, I'm sure 9.04 used much less memory, and it certainly felt a lot faster when opening and using applications.
Is it normal for Ubuntu 10.04 to be using this much memory, and if so, what are some things I can do to reduce memory consumption?
Reading Wikipedia, it says Ubuntu only uses 128 MB of RAM.
By the way, here is a screenshot: [URL]
Fairly new to Linux, using Red Hat ES 5.5 with 16GB of memory.Looking at migrating the server to a VMWare VM, but I need to figure out how much of the 16GB I am actually using.What are some ways to tell the true amount that I need.I know that Red Hat allocates most of the memory just so it is ready to be used, so that throws me off a bit.
View 6 Replies View RelatedI have a Red Had EL5 server. Free -m shows total mem: 3042 and used mem: 2903. However, when I run a top or ps, there's barely anything using any memory. how I can identify what is using all this memory?
View 2 Replies View Related