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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How to check what type my video card is and its memory size?

I need to install some programs that require minimal size of video card memory, how do I get the size and possibly what vendor and type of my video card? Output of lspci | grep VGA | cut -d " " -f ...
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0answers
19 views

ramdisk, dedup,compressed,

I'm looking to create a ramdisk of 32GB at boot time that can do compression and deduplication in real time. This area will contain a fair amount of data of which 25-50% maybe duplicated, hence the ...
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2answers
35 views

How Much Ram Does Ubuntu Need To Run

Well i have an old eMac and i wanted to replace the operating system with Ubuntu but I don"t want to break it.
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1answer
16 views

is dmidecode's max memory report is accurate?

After googling for a while I've found "sudo dmidecode -t 16,17" to check max amount of memory in my laptops. Based on its report my HP Pavilion g4-1002tu laptop can accept a max of 16GB, while the HP ...
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1answer
24 views

Memory doesn't make sense

I just checked how much free space I have left on my hard disk using :~$ free -t total used free shared buffers cached Mem: 4063056 1075744 2987312 ...
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0answers
24 views

Higher CPU consumption after replacing RAM with 2 RAMs

I replaced my 2GB RAM (PC3-10800) with 2 2GB RAMs (PC3-8500) and my CPU consumption is higher, pc is often slower and laggy. I experienced this problem on Ubuntu 12.04 and Ubuntu 13.04 (32-bit). ...
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0answers
30 views

How could I boot my installation of Ubuntu 13.04 in ram?

Just like in the live cd using squashfs of the system. I think that it could boost the general speed of the whole os by putting it on the ram. This wiki is outdated, maybe: ...
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1answer
18 views

How to troubleshoot high cpu problems related to postgres and postmaster service?

I'm using an open source(RHCE 6.2) based machine running SIEM software , when i do the top command i see postgress postmaster both eating 96% of cpu usage? Is there a way to pin-point or see ...
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1answer
35 views

how to get graphics card memory info? windows and linux shows different value

In my Windows 8, video card shows 640 MB of available memory (Screen Resolution > Advanced Settings or with dxdiag). But ubuntu (with lspci command) shows 256 MB. so who's right?
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1answer
31 views

Viewing page tables in filesystem

I know that the page table is managed by the linux kernel, though I am not sure if it is available on the filesystem. I'd like to view information about page tables from the command line. As ...
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0answers
12 views

New Fonts breaking Wine

I'm running Photoshop CS2 in Wine because, well I'm not a fan of the gimp sorry. It's been perfectly stable up until today when I installed a couple of new fonts and now it is running out of memory ...
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1answer
20 views

Installing updated BIOS for Dell 530s, keep getting “insufficient memory” error?

I have tried using both virtual and real FreeDOS disks to load the file, but I can't get it to work- I run only Ubuntu 12.04 and I'm looking to upgrade my CPU, but every time I try to run the ...
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2answers
76 views

How to find how much RAM my computer has

How do I find out how much ram my computer has? I am running Ubuntu 13.04.
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0answers
15 views

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

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
40 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
43 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
48 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
71 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
50 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
45 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
37 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 ...
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0answers
84 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
364 views

Ubuntu 13.04 uses too much RAM

I use ubuntu 13.04 upgrade from 12.10, the problem is that ubuntu starts with a consumption of 300 mb ram but rises up to consume all my ram, 1.7 1.8, especially compiz and never so close low ...
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1answer
60 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
435 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
81 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
37 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 ...
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1answer
82 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
37 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
161 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 ...
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1answer
35 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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1answer
52 views

How to allocate more memory! [closed]

I really need to allocate more memory to Ubuntu. When I was installing it in the command prompt it asked me how much I wanted to use (1-299 or something) I chose 10 but now I really want to change ...
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2answers
81 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
48 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
73 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
26 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
91 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
21 views

Do Desktop launchers use memory when inactive?

In my old Windows XP life, I noticed that each ¨quick launch¨ icon slowed the sum total down. Is this true in linux? Do I have to keep my start buttons in their menus/folders? I have 768 Mb sdram only ...
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1answer
44 views

I have 4 gigs of ram but there seems to be 3 usable [closed]

I have 4 gigs of ram but there seems to be 3 usable. I think this changed since I messed with some PAE stuff about the kernel. Any help is welcomed.
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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
15 views

Polipo results in Memory Overflow

I have a polipo proxy server that runs on an vServer with 2gb memory. After some time running the memory is full and the server stops working properly. This there a way to clear the memory regularly ...
1
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1answer
83 views

in Ubuntu, why “df” and “du” commands shows different disk usage?

i cannot access ubuntu system on my pc, the error message: "the system is running in low graphics mode" and i tried some commands i searched from internet. i found out a problems seems there is ...
0
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0answers
28 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
52 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
19 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 ...
3
votes
1answer
51 views

what will happen If RAM set to 1000 from 1024?

While I am looking at man page of free I came across --si Use power of 1000 not 1024. So from that line we can say that from 1GB(1024MB) of RAM it will use only 1000MB of RAM. But why we are ...
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1answer
48 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 ...
12
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1answer
280 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
31 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 ...
1
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1answer
100 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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