Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time.

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Graphics card only show 256mb insted of 512mb [duplicate]

I have a HD5450 with 512mb. But lubunto only show that it has 256mb memory. How can I correct this? lubuntu 12.04
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1answer
177 views

The system freezes sometimes/randomly, when I browse a HTML5/CSS3 website in Chrome

My laptop has Intel B960 (2.2GHz x 2) with 4 GB RAM. OS is Ubuntu 12.04 with all updates to current date. I am getting a peculiar issue since about 2 weeks - when I browse a HTML5/CSS3 website in ...
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0answers
24 views

Running Ubuntu in USB but with a lot of RAM; how to run program from RAM? [duplicate]

I installed Ubuntu on a usb drive and run it with my laptop, which has over 10GB of ram. The system is rather slow. I would want to run some major programs like Chrome directly from RAM instead of the ...
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2answers
1k views

Need application/script alerting when system memory is running out [duplicate]

I don't won't to use swap file (due to some bug in kernel or AMD driver). I wan't to have some util running and monitoring free system memory and alerting me when it becomes less than some specified ...
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2answers
3k views

Customizing Ubuntu to run from RAM only, within GRUB options

I'm interested in exactly this up, now let me explain what would like to do with this. I'm preparing to buy 32GB of RAM and already have Quad Core. My idea is to implement another option in GRUB that ...
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1answer
8k views

What is the maximum amount of RAM that Ubuntu 32 Bit supports?

Intel Xeon E5-1620 OCed to 4.75GHZ Asus P9X79 Pro 8GB 1333 7-7-7-20(Thinking about 24GB) I am considering to install Ubuntu. Will the 32Bit version support more RAM than 4GB?
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0answers
32 views

Server slowly runs out of memory [duplicate]

My Ubuntu 10.04 server slowly eats up memory. If you look at tops, it slowly starts using swap space. Eventually the amount of free memory drops too low and the kernel kills the worst process. A ...
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1answer
658 views

My RAM and CPU's are free but my computer is so slow (Ubuntu 12.10)?

I have 8 Gb RAM and 2 CPU, I install Ubuntu 12.10 on my laptop. The system works strangely. The computer becomes slow for no reasons! I ran top and Htop and there is nothing that uses my CPU or my RAM ...
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1answer
956 views

Only 4GB RAM out of 8 shown in Ubuntu 12.04 LTS 64 bit and in BIOS

I have seen similar questions and answers but mine is: a. I have 8GB RAM installed b. My BIOS shows 4GB c. Ubuntu's System Setting/Details shows 3.7GB (but this small decrease is not a great issue ...
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1answer
95 views

100MB of RAM not detected on 64-bit 12.10 (NVIDIA cards)

My desktop's wubi install does not properly detect my NVIDIA graphics card and reports 3.9GB of RAM out of 4GB. On my netbook, which has an NVIDIA ION and 2GB RAM, Sysinfo reports 1.9GB RAM but shows ...
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5answers
887 views

How to log memory usage per minute on Ubuntu Server?

I checked few programs such as htop or top command but couldn't find any features for logging per minute. Is there a way to do that for tracking memory issues ? edit: I was using linode and decided ...
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2answers
1k views

Does Ubuntu run from a CD/DVD save data ONLY in memory?

If I create a proper LiveCD and run the OS from the disc does it save any information on a hard-drive or is it ALL saved to the PC's memory? I've looked around for a clear, direct "yes/no" answer to ...
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0answers
18 views

Limiting physical memory of specifc process [duplicate]

Performing research, I am interested in limitting the Physical Memory per specific process. My requirements: Limit physical memory consumption for specific program In case of crossing limitation - ...
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0answers
31 views

Notebook freezes when running Chrome: how can I limit the RAM available to Chrome? [duplicate]

I run Chrome on my laptop and it randomly freezes shortly after opening a new tab. It is a rather old notebook (MSI Megabook GX600 Extreme) with a Core2Duo and 2GB RAM. It runs Ubuntu 12.10 64Bit. As ...
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1answer
4k views

How many CPU cores and RAM on VMware Player for Photoshop?

How much RAM and CPU core should I allocate for my VMware Player(Windows 7 x64 as Guest OS)? My System Specs: Ubuntu 12.10 x64 Intel i7 @ 2.20 GHz (4 cores + hyper-threading) 8GB RAM 750 HDD Intel ...
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0answers
748 views

Thunderbird hangs at startup [closed]

I am facing issues while running ThunderBird after system restart. TB is hanging while taking up 100% of memory, and CPU utilization is 100%. Which is why system does not respond after sometime. I ...
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1answer
178 views

Inexplicable Slowness [duplicate]

I've been running Ubuntu for about 4 years now, and I'm having a problem with 12.04 Every once in a while the computer will slow almost to a stop, interrupting any playing audio/video, and ...
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1answer
134 views

Will Ubuntu 12.10 64bit recognize 6gb ram on 2007 macbook pro

I have a 2007 Macbook pro running 12.10 64bit. I have read that it would support 6gb of ram even though apple only recommended 4gb at the time. I was wondering if Ubuntu would recognize it as well.
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1answer
2k views

Unsure if my RAM speed is set correctly

edit: Thank you for reopening I have an an AMD APU as my CPU/GPU (specs below) and its graphical performance benefits greatly from higher speed RAM. In my motherboard BIOS I have set the memory clock ...
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2answers
2k views

How to make ubuntu use more RAM?

After 2 weeks of trying, failing, trying again, still failing, I finally got Ubuntu stable and operational. My hard disk is quite old and slow but I have excessive RAM (16 GB 2133 mhz), so I was ...
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2answers
1k views

Secure shared memory

In my Ubuntu deployment script I have written a function to secure shared memory. For a web server it's important to secure the shared memory to tighten up security. Below you can find the code: echo ...
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2answers
827 views

Adding RAM was recognized by BIOS but not by Ubuntu

On a Motherboard that allows max 8GB RAM, 2 slots x 4, 4 of them pre-installed, I added another 4GB in the second slot; BIOS reads 8GB available, but the system info shows only 2.9 GB RAM. How can I ...
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1answer
1k views

Ubuntu installation in VirtualBox - not using base memory in RAM

I am installing Ubuntu right now under VirtualBox in Windows 7. It is going extremely slow and VirtualBox is only using about 128 MB of RAM out of the 1024 MB I set as Base memory to it. Is it ...
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3answers
35k views

Why am I frequently getting this “Cannot allocate memory” error?

I'm using Ubuntu 12.10 with Gnome-Classic. I am getting this error frequently and with almost all programs, big and small. When I try to open them, they don't start, and instead I get an error message ...
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2answers
114 views

Swap Files slowing down games

I have a 16 GB Alienware M17X, and every time I try to play a game the game will run perfectly for a minute or so but then the game starts to lag. Now I believe this is a swap file problem. So does ...
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2answers
6k views

Chrome suddenly using too much memory, what's wrong?

I just upgraded my RAM to double what it used to have and for a couple of weeks everything was running great, but now Chrome is eating all of it, I hit 90% use with only one window and <50 tabs ...
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1answer
2k views

/can you install ubuntu to hdd but it runs completely from ram while hdd is not spinning?

my main purpose is to be able to install ubuntu to the hard disc so that my settings and everything are saved but i want it to load itself to my ram for faster operation and better battery life while ...
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1answer
767 views

Ubuntu 12.10 x64 Doesn't detect RAM properly

I have 6 GB installed, which as a 64-bit OS, it should see, but it only sees 3.5 GB! How do I remedy this? Output as requested: seann@seann:~$ dmidecode --type memory | grep -E ...
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2answers
559 views

Reccomended upgrade for Ram Ubuntu 12.04

I am running Ubuntu 12.04 32 bit on my laptop (Toshiba Sattelite L-450), the spec is as follows Memory: 2.8gb Intel® Celeron(R) CPU 900 @ 2.20GHz Graphics Mobile Intel® GM45 Express Chipset ...
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0answers
152 views

Why do I run out of memory even when nothing is running?

I am currently facing a problem that when I run Uclust, it keeps showing me mymalloc running ot of memory. The thing is that cuurently nothing is running in the system and my memory shows I am ...
2
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2answers
189 views

Ubuntu does not detects the RAM correctly

I have 512MB RAM in my PC. Ubuntu detects only 495 MiB. How can I fix this? On Debian Squeeze, I have 512MB.(The correct size) OS: Ubuntu 12.04 Precise Pangolin
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2answers
1k views

2 GB Ram, but Ubuntu runs slowly and hangs if doing too much

I think my system more than meets the minimum/recommended requirements for Ubuntu, but its still running slowly. Especially when I try to multitask by having 4-6 windows open, then it becomes quite ...
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1answer
44 views

Deleting files from connected devices doesn't free the device's storage

A few weeks ago, I bought my tablet and copied files from my computer running Ubuntu 12.04. Somehow, I had to delete some of these copied files to free some memory. But upon deletion from my computer, ...
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0answers
127 views

Disk cache is sometimes dropped/erased

I have a memory/cpu monitor running, and sometimes see the graph line for “cached memory” drop, for no apparent reason. Earlier today Cache memory was at about 4.8GB but then dropped in two steps ( a ...
1
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1answer
183 views

The limits is restored to the defaults after I reboot

I want to remove "memorylocked" and "maxproc" limits. I am using tcsh shell. I read that if I use "#limit memorylocked unlimited" and "#limit maxproc unlimited" then they will be set to unlimited. I ...
0
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3answers
156 views

What are the most suitable distribution Ubuntu for my computer? [duplicate]

Possible Duplicate: How do I find out which version and derivate of Ubuntu is right for my hardware in terms of minimal system requirements? I'm looking to migrate from Windows XP to Ubuntu ...
1
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0answers
16 views

System Monitor disagrees with 'free -m' [duplicate]

Possible Duplicate: System monitor (panel) shows the wrong amount of used ram When I start up my computer, free -m says I have about 1800MB allocated and 150MB free. In System Monitor, it ...
3
votes
1answer
3k views

How and why should I specify mtrr_gran_size/mtrr_chunk_size?

I noticed today that /var/log/dmesg contains several dozen lines with information about something called gran_size and *BAD*gran_size, followed by what appears to be an instruction for me: [ ...
1
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2answers
244 views

Sluggish desktop/Unity performance on ThinkPad Edge

Fresh (1 week old) install of Ubuntu 12.10 64 bit version on a ThinkPad Edge 15, specs as follows: System specs (site wouldn't let me hotlink the image) I think the swap is about 2GB but can't ...
6
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3answers
2k views

How do I know which RAM I'm using?

I want to buy some extra RAM but Hardinfo wont tell me which brand, model, latency and speed I'm currently using to buy the same kind. What else can I use?
3
votes
2answers
213 views

Not recognising 4GB of RAM

I have a pae kernel but free -m only shows 3.2 Gigs of the 4 GB that is physically installed. The BIOS shows 4 GB available. uname -a gives: 3.2.0-35-generic-pae #55-Ubuntu SMP Wed Dec 5 18:04:39 UTC ...
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1answer
386 views

Ubuntu 12.04.1 (64bit) only recognizes 7.8gb of RAM from 8gb RAM

I know that is a little diference between 7.8gb to 8gb, but still a diference, why Ubuntu dont recognizes all of my RAM? I had the same case with my 32 bit Pc, 3gb RAM and Ubuntu only recognized ...
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1answer
494 views

Warning when available RAM approaches zero

This is a follow-up to Memory limiting solutions for greedy applications that can crash OS?: ulimit and cgroups are not user friendly, and besides, wouldn't work with applications that spawn separate ...
2
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1answer
673 views

Getting specific 'Out of memory!' message when running very involved Perl script [closed]

I'm running a Perl script that parses information from around 7,000 HTML files. Probably not really relevant, but I'm just trying to describe that this is, well, doing a lot of stuff. I originally had ...
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1answer
598 views

java not allowing for the use of all 8gb of ram

I have a 32bit version of Ubuntu server with PAE active allow for the full use of the 8gb of RAM but I can't use more than 2gb of RAM in Java. I run the command java -Xms6G -Xmx7G -jar server.jar ...
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1answer
4k views

Optimization: RAM cleaning and monitoring

Is there any good tools for ram cleaning-purging? I mean some daemon, that watch on RAM and trying to purge some, if it reached the limit? Thanks!
0
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1answer
114 views

Fresh ubuntu installation - memory usage went from 3% to 41% - should I be concerned and how to remedy?

My memory usage was a 4% after a fresh ubuntu 12.10 installation after i install php packages etc using this gist, https://gist.github.com/4372049 my memory usage now reached 41%. should i be ...
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1answer
2k views

Ardour, system has a limit for maximum amount of locked memory

After installing and starting Ardour I receive the following warning message: WARNING: Your system has a limit for maximum amount of locked memory. This might cause Ardour to run out of memory ...
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1answer
89 views

Problems booting because the HDD is full. How can I get stuff off my hard drive?

I have used up all the space on my hard drive and when starting up the computer says the only option I have is to start up in basic graphics mode. On the screen it then says stopping system v runlevel ...
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1answer
28 views

Dbuses and Apaches are using up memory

I recently noticed, in System Monitor, that multiple Apache2 processes are showing up (with the same "Command Line"). There are currently 6 of them, each with 7MB memory. I also noticed a whole bunch ...