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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263 views

BUG: Bad page state in process

Occasionally I get this error message in the kernel logs. From what I've read it could be due to bad RAM but I did a RAM test and it said it was fine. And the process doesn't crash when the error ...
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1answer
164 views

How to maximize Java resources for gaming?

I notice that when I play Minecraft, my CPU usage is only around 15 to 20 percent, at most. Is it possible to force my computer to allocate as much RAM, CPU time, etc. to the game, in order to get the ...
4
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1answer
826 views

laptop crashed: why? [closed]

my linux (ubuntu 12.04) laptop crashed, and I am trying to figure out why. # last sds pts/4 :0 Tue Sep 4 10:01 still logged in sds pts/3 :0 ...
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1answer
578 views

System Log: Bios may corrupt low RAM, working around it

I really hope someone can assist me with a good answer. I am running Ubuntu 10.04 (not sure about kernel). Asus Motherboard 1TB Hard drive 16G Memory The whole computer is brand new, only like ...
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2answers
2k views

Ubuntu swappiness

I have a laptop with 4 GB RAM and i3 processor. It runs very fast when I use windows, but it keeps slowing down on my Ubuntu when I use it continuously. I noticed that 500mb+ swap is getting used even ...
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1answer
393 views

how to update bios after RAM change - dell inspiron 1420 - Linux Mint 13 [closed]

I have a Dell Inspiron 1420 with Linux Mint 13 on it (Ubuntu 12.11 I think). I have two sticks of RAM 1GB each. Today, I have changed one for a 2GB one. On boot, BIOS noticed RAM change and redirect ...
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0answers
87 views

Nautilus with Two tabs takes up 300MB memory? [closed]

There are currently two tabs opened in Nautilus. It has been running for quite a while, there have been more opened and closed before, and there have been switching between directories using ...
0
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2answers
366 views

How can I switch memory modules to 1600 Mhz?

Some months ago I bought 4 Memory modules of 4GB DDR3 1600 KINGSTON HYPERX. The official Kingston manual says: *This module has been tested to run at DDR3-1600 at a low latency timing of 9-9-9-27 ...
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1answer
312 views

Normal RAM usage for Ubuntu 12.04 + Unity?

My system is Ubuntu 12.04 64 bit + Unity and it uses ~480Mb with no other processes-apps open, just the core system. Is this the expected amount? It seems a bit steep to me but perhaps this is normal ...
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2answers
320 views

8GB RAM only detected by reboot

I have an 8GB RAM System but Ubuntu 12.04 only detect 4GB by system start. Every time I reboot the System Ubuntu will detect the full 8GB RAM!?!?!? AMD Zacate E350 APU Radeon HD 6310 512MB shared ...
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0answers
102 views

Howto use different RAM modules in MacBookPro4,1

I read that MacBookPro4,1 can use a 4GB module and a 2GB module at same time making 6GB. So I purchased one. It works fine in OS-X, but not Ubuntu 12.04 amd64 (I noticed kernel is currently 3.5). ...
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1answer
112 views

How can I tell Ubuntu fix my RAM disk as non-pageable?

I'd like to make sure that the memory allocated for a RAM disk never gets paged to a HDD. How can it be done in Ubuntu?
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2answers
709 views

Memtest86: Has my RAM gone bad?

I did a memory test with memtest86 on boot, and I'm seeing this: Is my RAM defective? PS : My Ubuntu PC doesn't boot. Shows options in GRUB and then says there are errors in / and failed loading ...
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4answers
1k views

Unable to play .mp4 files (videos)

I am running Ubuntu 12.04, and have installed all restricted packages and 354 MB of available updates. However, I still am not able to play video's. Is it because of low Memory (RAM)? My Computer ...
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4answers
605 views

Is it worth upgrading RAM? [closed]

I'm thinking about upgrading my RAM from 1GB to 2 or 4 GB. I would like to have some idea as to whether buying more RAM would be worth the expense. How can I know whether I will see better ...
2
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1answer
226 views

Free up memory dump of all the terminated processes

I think my subject is pretty spot on. I am on Ubuntu 10.04 and have the following specs in my computer: i5 Processor with 3.30GHz 16GB Memory 1TB Hard drive 1 Gigabyte on board network I am ...
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2answers
87 views

How do I tune wordpress so I can make my site more responsive?

I have a Linode that has Ubuntu loaded and am hosting a WordPress site. I would like to optimize my site so that I no longer get Out of Memory errors like the following: Killed process 16660 ...
2
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1answer
2k views

How much memory does Ubuntu need? [duplicate]

Possible Duplicate: What are the minimum system requirements for 12.04 LTS? How much memory do I need for Ubuntu? I mean everything that is taking memory space after I finished installing ...
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1answer
136 views

RAM on an Ubuntu Mac Mini?

I have a 2011 Mac Mini with 4GB RAM, I'm planning on wiping it and installing Ubuntu. But since I'm gonna be running a gaming server on it, (MineCraft), I wanted to know how much RAM the computer can ...
2
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1answer
86 views

Can I test the physical memory of a VPS or virtual machine?

Is there a memory test program I can run on an online VPS hosted instance? Since it is a VPS I don't have access to the console or the memtest grub option. I am troubleshooting random crashes (with ...
0
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1answer
98 views

RAM not shown correctly [closed]

I put in a new mainboard, processor and 4GB extra RAM into my computer today. I should now have 8GB of RAM available to me but System Manager only shows 5.8 GB. The Mainboard is an ASRock 870 ...
1
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1answer
972 views

Best Ubuntu version for Virtualbox host

What is the best version to use as a Virtualbox host OS? Is it 12.04, or 9.04? I get the notion that an older system runs faster. Is this true? I especially have to consider the amount of RAM ...
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0answers
32 views

Why are stray images from an older session displayed just after login/logout?

Often when I login or logout, during the short time it takes to complete login/logout some stray and broken images of a previous session are displayed. I am not sure why it happens. Just a few ...
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2answers
39 views

stop the use of a block in RAM

i'm using Ubuntu 12.04 , i noticed that some programs reboots unexpectedly so ran memtest86 i found that i have a error in the RAM my question is : is there a way to stop the system from using ...
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2answers
146 views

High RAM eaters in Ubuntu servers

actually what are the High RAM eaters in Ubuntu server , is there any such things ? I just want to know . If there , i want to remove them because i need to save RAM . I will use Different servers ...
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5answers
5k views

How do I use zRam?

I installed zRam as described on webupd8.org. I installed it from the terminal. Is that all I have to do or do I have to do some configuration or something? Does the zram-enabler do everything by ...
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1answer
107 views

Crackling Sound Error

When I had Windows 7 I had to limit the available RAM to 3GB maximum or I'd get crackling sound whenever a sound tried to play. Something to do with the drivers for the Creative X-Fi sound card. ...
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3answers
473 views

Do I need to do anything after upgrading my ram from 2gb tp 4gb(2x2gb)

I got a new 2gb ram and i am going to add it along with my existing 2gb card making it 2x2gb=4gb ram. do i have to do anything extra to make it work as 4gb fully? Anything to do with the PAE kernel ...
2
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3answers
509 views

How to speed up installation?

I have an Acer 4736z with 2gb Ram and ubuntu 12.04 is running too slow for my standards. I would like to know if I am running useless processes that I am not aware of and remove packages I will never ...
6
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1answer
6k views

How can I use RAM storage for the /tmp directory and how to set a maximum amount of RAM usage for it?

After seeing the comment by Anonymous on this question: How is the /tmp directory cleaned up? I found it a great idea to implement on my system, since I have 16GB of RAM and I never used all of it. ...
6
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1answer
3k views

Only 3.2GB RAM (out of 4GB) usable on 64bit installation. Dell XPS 13 [duplicate]

Possible Duplicate: Why does Ubuntu only show 3GB of RAM? I bought Dell XPS 13 few days ago. Installed 64bit version of ubuntu, and changed kernel to: 3.2.0-29-generic ...
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4answers
931 views

4GB RAM not detected

I've got 4GB on my machine (two cards of 2GB) although the command free -m says: total: 2001 used: 1816 free: 185 I've got 12.04 and I think PAE should be installed and enabled automatically. ...
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0answers
168 views

xubuntu 12.04 boot issue

I finally go a distro of ubuntu (xubuntu 12.0.4) installed on my old laptop. After the restart the GRUB menu appears and I pick my install then all that shows is [9.274169] [drm:drm_mm_takedown] ...
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1answer
738 views

Compiz Memory leak [closed]

After sluggish performance and freezing for two weeks I finally managed to nail down the culprit to Compiz, I found out it's vital to Unity and is basically an OpenGL wrapper for Ubuntu and Xorg. How ...
2
votes
3answers
274 views

What can I do to make Unity more memory-efficient?

I realy love Unity, but the most of the time I have to use gnome-shell because I only have 1.5 GB of RAM and when I work I have to use all these apps: fogger, firefox, compiz efects, empathy, gwibber ...
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1answer
879 views

How do I allocate more memory to Chrome?

I am trying to play a browser based game on Chrome. My system runs Ubuntu fine and is a new laptop. The game gets choppy when I play. How do I allocate a little more memory to Chrome so I have some ...
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1answer
319 views

Ubuntu 12.04 LTS compatible with Dell 2950's through auto provisioning?

Was wondering if Ubuntu 12.04 is supported on Dell 2950's through a RAM disk image?
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1answer
132 views

Memtest86+ Result Decoding

Ubuntu 12.04 LTS (fresh install with all updates) Nvidia 8400GS Galaxy (instead of the on-board video) Dell I'm having random freezes where everything locks up, no mouse/keyboard/etc. Upon running ...
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0answers
451 views

Ubuntu 12.04 - polkitd using 7GB of memory

We have a production web server running Ubuntu 12.04. We have a total of 24GB of RAM installed into the system. The problem is that our process list is showing polkitd as using 6.8 GB of memory. I've ...
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1answer
510 views

64-bit and 32-bit 12.04 report 1GB less ram

UPDATED with mobo/cpu and some BIOS info my first post/question in here. i've been reading other related posts and can't seem to find the answer, so my apologies if this seems to be a double or ...
1
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1answer
264 views

Why is the total RAM for my HP dm1 less than the actual it should be?

First time poster, so I apologize right off the bat if I'm doing something wrong (following Murphy's Law, I probably am). Anyway, I was wondering why the 2GB RAM I have installed in my HP Pavilion ...
0
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0answers
110 views

Take long time to free the ram

We know ubuntu caches the process file in ram so that she can run faster next time. Most of the mobile device do the same. But problem is ubuntu can not recovery instantly when ram is full. She takes ...
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0answers
42 views

memory being eaten up [duplicate]

Possible Duplicate: How to detect a memory leak? I had this problem occasionally already under 10.4, but since I've recently updated to 12.4 something is constantly eating up my memory. ...
1
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1answer
254 views

Why does apache keep running out of memory?

All the time my apache2 runs out of memory, I have 6 sites running on it. My server specs are: 2 gig ram, 6 core processor, 60 gb hard drive, and a 1000 mb/s how can I sort the problem out? it ...
0
votes
0answers
86 views

How to examine kernel memory

What's the recommended method of examining kernel memory? I'm not finding any packages with names like "kdb", "kgdb", or "ddb" that I know from other OS or other Linux distributions. I did find and ...
2
votes
1answer
714 views

Ubuntu 12.04 uses almost 4 GB of memory right after startup.

Just recently my laptop has started behaving weird. It often hangs after a short while of using it (perhaps half an hour), and memory usage is very high. I have 4 GB of memory, and after startup it ...
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0answers
49 views

Why does my memory keep decreasing when I boot from disk? [closed]

When I boot from the disk I am promted with a message that I have no more memory 1.3 gigs but I know I have more than this. Every time I re boot and add the codex in again I lose more memory. How can ...
3
votes
5answers
2k views

How do I find out if I have a swap partition on my hard drive?

I used the 12.04 live cd to install Ubuntu over my Windows 7 partition and deleted everything so I just have Ubuntu on my laptop. But since during the installer I chose the simple "erase entire disk" ...
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1answer
249 views

Why isn't Ubuntu detecting all of my RAM?

I just upgraded my netbook from 1 gb of RAM to 2, but when I type free -g, it only says that I have 1 gb. How do I get it to detect all of my RAM?
0
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1answer
261 views

Why nvidia-smi displays only 127MB memory out of 512MB available?

I Have a GeForce 210 and i use the Nvidia-current driver. I know my card has 512MB but that command shows differently. I also noticed that after upgrading from 11.04 my graphics' performance got ...

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