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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1answer
113 views

is it right that cups-browsed uses 1327MB RES memory? [closed]

I'm running gnome3 in raring. I have 4GB ram, but I'm experiencing high use of swap. Looking with htop I see (among other processes): PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ ...
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0answers
331 views

Drawing problem? Shared memory error? shmget failed error 28 followed by BadDrawable

Problem: Improper Drawing in Some Windows OS: Ubuntu 12.04 (Mythbuntu) Motherboard: ASUS M5A88-V Evo with integrated Radeon HD4250 graphics card. $ lspci -nn | grep VGA 01:05.0 VGA compatible ...
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1answer
245 views

Why is find running here?

I noticed very high IOwait, even copying/pasting from NetBeans to Firefox was taking several minutes and hanging for a long while. In powertop, I noticed: Usage Events/s Category ...
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2answers
434 views

Testing my system, I need a script that will use as much ram and swap as possible

I'm testing my system with zram, I need a script that will use as much ram as possible. This script should fill up my ram with random stuff not just zeros.
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1answer
783 views

How do I use/enable zcache?

I'd like to try out zcache but I just can't figure out how I would enable it, do I have to compile a new kernel with zcache enabled? I'm running Ubuntu 13.04 64bit
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0answers
478 views

Is there a default limit to the amount of memory a process may use?

Running 64-bit Matlab 7.12 on a 64-bit 10.04 Ubuntu Server. When I try run a big problem that should need 46GB of memory (the server has 72GB of Memory and plenty of swap space), the experimental ...
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1answer
193 views

Ubuntu Compatibility

I'm in the process of building a computer for a customer who has requested Ubuntu 13.04 to be installed could someone tell me if the following components are compatible. CPU: Pentium G2020 ...
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1answer
69 views

New computer installation problems

I've just bought a new desktop computer: Gigabyte 970A-DS3 NVIDIA GeForce GTX 650 AMD FX8350 RAM: 16 Gb I'd like to install 13.04 64-bit, but when I try to install, mouse doesn't work at all ...
2
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0answers
702 views

Ubuntu 12.4 on 3.4.45 kernel: Can't access USB memory stick

I installed kernel version 3.4.45 [LTS] on ubuntu 12.4 on a Acer laptop. With this configuration, the USB memory drives can't be accessed, some details are follows. Upon inserting the USB drive dmesg ...
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1answer
131 views

Memory allocation of C++ in Ubuntu

First of all, I'm sorry if the question doesn't belong here. I want to make sure whether this issue has to do something with my Ubuntu. The C++ code below makes 2621440 integer variables. Each ...
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5answers
6k views

Ubuntu 13.04 ram and CPU maximum support? [closed]

I'm learning about ubuntu, but I do not know the ubuntu 13.04 Ram and CPU support up to how much??? hope you help me
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2answers
159 views

Is there anything I should know before changing out my ram sticks? Ubuntu 13.04

Okay 1st off let me start by saying I have only been using Ubuntu..or Linux in general for about 3 months but in an effort to get the most out of my old tower I have decided to upgrade my ram ..I have ...
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1answer
172 views

RAM slot free or not

This question might not be so relevant here, but I want to know if there is some command tool that gives me the currently available RAM slots in my machine, also if any of them is free, and ...
0
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1answer
387 views

How to launch google-chrome with custom parameters by default?

I want to launch chrome and chromium from the unity launcher with the --purge-memory-button option. For chromium I was able to add the above parameter to /etc/chromium-browser/default but that's not ...
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1answer
127 views

Is this Ram usage normal?

My system is Ubuntu 13.04 64 bit + Unity and it uses ~600mb with no other processes-apps open and with preload 900mb, just the core system. Is this the expected amount? It seems a bit steep to me but ...
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2answers
608 views

How can I measure how much RAM has been used by a command

I'm trying to measure the memory of a process that I call via the command line (i.e., I want to find out much RAM it takes to for the process ). Is there any command that I can add to the command ...
2
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1answer
171 views

ux31a freezes when running out of memory

I have difficulties to understand swap policy. I have installed system (ubuntu 13.04 but 12.10 had same issue) with 4gb of swap partition because ux31a has 4 gb of memory. Problem is that every time ...
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2answers
529 views

How do I change how much disk space Ubuntu has?

I installed ChruBuntu on my Chomebook Acer C7 about 2 weeks ago and I chose to allocate 10 gigs. I didn't know that that would be my amount of disk space I would be allowed to use. I want to install ...
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1answer
71 views

Available RAM not being used

I am running a program that takes a significant amount of time to complete. According to my system monitor, only 20% of the available memory is being used (1.6GiB out of 7.7GiB available). I'm ...
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2answers
96 views

Ubuntu stores variables in the wrong order

So I had this exercise in my class where I had to tell which of the two addresses is bigger when I create two char's in a main function. Because local variables are stored in the stack that starts ...
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0answers
133 views

is it possible to increase nvidia gfx card memory with “graphics aperture size”?

so, I remember long ago about a BIOS option "graphics aperture size". I wonder, as I cant find it on my BIOS, if there is some way to let my nvidia gfx card 512MB use some of my ram memory to ...
0
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1answer
410 views

Do I have to uninstall NVIDIA drivers before replacing with an AMD GPU?

Here is the setup: Old Intel motherboard (DG33FB) with PCI-X 1.0 2 GB DDR2 system memory 580 W PSU Intel Core 2 Quad 2.4 GHz Here are the observations*: I had thought there was no POST or BIOS ...
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0answers
18 views

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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0answers
58 views

Increasing alloted Ram

my laptop has 4gb of ram and by mistake I alloted only 2gb of ram to ubuntu while installing using(WUBI). I have windows also installed(while starting my laptop I have option to choose windows or ...
0
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1answer
146 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
23 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
354 views

Need application/script alerting when system memory is running out

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 ...
13
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2answers
2k 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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0answers
71 views

12.10 Slow memory clear

After I upgraded to Ubuntu 12.10 I noticed it consumes a lot more memory than 12.04 and when it use swap memory it doesn't clear it when that memory is no longer in use. It just sits there and only ...
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1answer
3k 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
30 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 ...
2
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1answer
399 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 ...
2
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1answer
747 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 ...
0
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1answer
87 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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4answers
495 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
965 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
376 views

Low Disk Warnings on Ubuntu 12.04

After I upgraded LibreOffice to include Base, I now get warnings about "low disk space". I am using Ubuntu on a 16GB USB. For example, when I tried to use my Audacity it couldn't save due to memory ...
2
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0answers
15 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
30 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 ...
1
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1answer
2k 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 ...
1
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0answers
470 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 ...
1
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1answer
128 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 ...
0
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1answer
124 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.
2
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1answer
824 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 ...
5
votes
2answers
1k 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 ...
0
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1answer
682 views

Secure shared memory

In my Ubuntu deployment script I have writen a function to secure shared memory. For a webserver it's important to secure the shared memory to tighten up security. Below you can find the code: echo ...
0
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2answers
527 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 ...
1
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1answer
756 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 ...
5
votes
3answers
12k 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
96 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 ...