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 increase video memory in Wine? (Wine version 1.6.2)

I'm trying to run a program(BeamNG.drive) on Wine 1.6.2, and there seems to be a problem. See, here's the thing: I can actually get it to load most of the way. But just before it would have finished ...
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2answers
81 views

What swapfile size to make? I have 4GB RAM [duplicate]

Very often I am out of memory and I noticed that I didn't have swapfile... What size should I choose? I have 4 RAM. All programs which I use are: Firefox, Thunderbird, Grive, Android Studio, that's ...
3
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1answer
24 views

How do I check ram latency?

I need to buy new RAM . First I need to know speed >> done Second I need to know latency >> how ? All I tried from google. dmidecode --type memory dmidecode 2.11 dd if=/dev/zero of=/dev/sda2 ...
11
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1answer
738 views

How to tell what kind of RAM is used?

I recently added another RAM module and while it is supported by my motherboard I'm not quite sure if it's of the same type as the one my notebook shipped with. How can I tell what RAM modules are ...
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0answers
12 views

what are present minimum hardware requirements 14.04 lts [duplicate]

Searched the Ubuntu site and the web and only came up with older version system requirements. Could somebody please lead my to current minimums, and where to find them. Seems like that info should be ...
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0answers
12 views

RAM upgrade freezes startup [on hold]

I have A Toshiba Satellite m105 s 3041 that I installed latest Ubuntu. It is the only operating system on the laptop. It was running very slowly and I realized the minimum ram was 2 GB having only ...
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0answers
11 views

RAM usage in Chrome

I run quite a few windows and tabs open is Chrome on a regular basis and while on Ubuntu it seems to seriously bog my system down. 4gb ram and 4gb swap. This laptop is dual booted with Windows 8.1 ...
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0answers
37 views

Replacing RAM - Help Needed [closed]

We had a ram stick go bad, and I thought I might use this opportunity to max things out. I see that replacing RAM is a bit of a science and I don't want to make a bad call. If possible I was hoping ...
104
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18answers
55k views

I have 16GB RAM. Do I need 32GB swap?

I read many places that the rule of thumb for swap space is to double the amount of physical RAM. However, 32 GB does seem a LOT. Do I need that much? Do I need it at all with this high amount of ...
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0answers
17 views

Ram not recognized

I have an HP 255G1 laptop with Linux preinstalled. It came with 2 gb ram and as of late I installed another (HP certified) memory module, and now I should have 4 gb ram BIOS sees it, memory test ...
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2answers
167 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
187 views

Combining two laptops to increase memory

I have two laptops with the following specs and I want to connect them to increase memory so that I can increase the performance of the scientific calculations that I need to do at home. HP Pavilion ...
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0answers
23 views

GIMP memory increasing problem

I have a problem with GIMP in Ubuntu 14.04. When starting GIMP it works perfectly at first, but as soon as I copy a selection of pixels value in "system monitoring > resources > memory and swap ...
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1answer
45 views

How to set a memory limit for a specific process?

I tried to execute mpiexec -16 ... on a 384 GB RAM server, but it induced OOM Killer and was aborted. How can I set a memory limit for mpiexec execution? I know ulimit, but it might affect other ...
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6answers
57k views

How can I monitor the memory usage?

I have used top to see the memory usage at the moment. But I would like to monitor the memory usage over a period of time. E.g start monitoring and then execute a few commands, and final stop the ...
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2answers
12k views

How do I make a RAM disk?

I want to make a partition that is made of ram ... Example In windows 7 you can make a partition that is made of ram I have created 1 GB of partition in ram . using Primo RamDisk Is there any ...
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0answers
64 views

Simple logging of ram usage on 14.04

I'm looking for a very simple logging program that will log ram usage over say 18 hours. I don't mind if it logs every minute or just records the peak usage. I don't need it to record any extra ...
0
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0answers
17 views

How to set up a ram-disk [duplicate]

I need a RAM-DISK to move data between two applications and have been using Google to learn about it. I have found articles that talk about tempfs and /dev/shm. Apparently /dev/shm points to ...
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3answers
6k views

Computer freezing on almost full RAM, possibly disk cache problem

The problem I think is somewhat similar to this thread. It doesn't matter if I have swap enabled or disabled, whenever the real used RAM amount starts going close to maximum and there is almost no ...
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1answer
58 views

What is recommended size or ram for ubuntu 64bit virtualbox host?

I want to use ubuntu 14.04 64bit as a host to run virtual box. Some places say that the minimum ram requirement for ubuntu is 512mb where as on the downloads section it says that 64bit is only for ...
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2answers
60 views

Can't find where memory is being used

I'm still a novice with Ubuntu, and have converted an old Toshiba L655D to use the OS. I have 3gb of memory installed, and this appears on on the GRUB memtest. But within Ubuntu, looking at free -m ...
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1answer
52 views

32-bit PAE - Only 2 GB of ram recognized, 4 GB installed

Ok, there are a lot of this question and still I don't have an answer, so maybe I give it a shot asking the question. I recently bought a 2 Gb RAM and put it into another DIMM slot. So now I have 4 ...
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2answers
108 views

How much RAM is this application using?

If I run top -c or htop I get processes with their memory consumption, but it is not what I want to see. Is there a command line that allows to see the RAM consumption of a given application ? For ...
0
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1answer
35 views

Random reboots/shutdowns after RAM upgrade

I'm running Lubuntu 14.04 on an old Dell Dimension 8200. After installing two 512 MB RAM chips (essentially increasing the RAM form .25 GB to 1.25), the system randomly shuts down or reboots. Is ...
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0answers
28 views

Why does ubuntu not seem to release memory?

I am working with apache2+php and other web server apps. I have monitor as session connecting to a web server. RAM memory is full. But when disconnecting a session, it does not free the RAM memory. ...
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1answer
2k 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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0answers
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Dual Boot: Ubuntu works fine but windows crashes after memory upgrade

Ok guys so I have dell precision m4500 with an i7 quad core processor and (currently) 16gb of ram. I just upgraded my memory in my laptop (model above) from 8gb to 16gb. When I try to boot into ...
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1answer
25 views

Use/See whole the flash memory space [closed]

When we bought a N Giga Byte flash memory, the free space that the OS provide for us, is less than N GigaBytes. For example, for a 2 GB flash memory, total space that we can use, is 1.86 GB. As far ...
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0answers
30 views

huge cached memory, mostly freez system :(

I have a problem with system memory cache, i think it is bigger than normals. after 5-10 minute of usage, system become unusable and i must restart my "Asus X451-CA" laptop. this command ran upon user ...
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2answers
745 views

Ubuntu 14.04 (amd64) not detecting all of my memory

I've got 4gb of RAM installed in my machine but Ubuntu only detects 2.8gb of RAM If I run uname -a I get: Linux DeLillo 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 ...
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2answers
37 views

CGroups memory subsystem

I want to know if I can set dynamic limits to the memory subsystem in a cgroup. Currently I have the OOM disabled and a dummy process to test the control group, when the limit in memory is reached, ...
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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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6answers
15k 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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0answers
15 views

Why does it state that *-cache:1 DISABLED at lshw command

It seems like my memory is working correctly but I am puzzled by the output of the following command. Is the memory disabled and how do I go about testing it if it may be. $ sudo lshw -C memory ...
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2answers
27 views

Ubuntu 13.10 (32bit) on acer aspire one

Has anyone ever tried Ubuntu (32bit) on an acer aspire one d255 2dqkk with 1GB of Ram or 2GB? At the moment I have 1GB installed and I would like to add 1GB more.
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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 ...
1
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1answer
146 views

/dev/sda1 /boot is full [duplicate]

I know there are a lot of questions like this but I've tried pretty much to understand what to do and failed. By df -h I know that my /dev/sda1 /boot is with 100% use. I'm not understanding what I ...
6
votes
2answers
9k views

fork: Cannot allocate memory

I am frequently getting: fork: Cannot allocate memory when running commands over ssh. I have 4 GB of RAM and usually 2 GB free. This started happening since I upgraded to Ubuntu 11.10. I then need ...
2
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1answer
84 views

Light alternative for Unity clock applet (netbook)?

Default clock applet is heavy based on evolution ( I think it is provided by this package )indicator-datetime. For this reason, on on Ubu 14.04, it is sucking about 30mb of ram ( as for htop info ) ...
2
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3answers
551 views

Why does my system use so much cache?

Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
1
vote
1answer
67 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
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0answers
51 views

How much Memory/RAM is really being used by this Ubuntu 14.04 system

How much RAM/memory is really being used by the Ubuntu 14.04 x64 system? From htop, the amount of memory used is 3 GB and swap usage (on SSD) is 5.7 GB. However it appears that the most memory hungry ...
21
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4answers
23k views

How to check video memory size?

Is there a way to check the size of the video memory? Specifically, is there one that works accurately for both integrated GPU's as well as PCI/AGP graphics cards? Many integrated GPU's have ...
0
votes
2answers
47 views

Installed more ram /boot/efi not found… How to fix?

So, I just installed more RAM. Now I can't boot (properly) into xubuntu. When booting I'm greeted with something along the lines of "Failed to load /boot/efi, press S to continue or press M to ...
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1answer
87 views

How much RAM will 14.04 need? [duplicate]

How much RAM would Ubuntu 14.04 need? (Usage: A bit of pictureprocessing, maybe an IP-Camera Stream, ordinary officework, simplecv, some Torrentdownloading). Is 4GB or 8GB better suited for me?
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2answers
54 views

How to check the speed of ram when dmidecode command is not working

Output of the dmidecode command is like this. viki@viki-pc:~$ sudo dmidecode --type 17 # dmidecode 2.12 SMBIOS 2.7 present. Handle 0x0006, DMI type 17, 21 bytes Memory Device Array Handle: ...
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0answers
60 views

Why can MySQL not use /run/shm as tmpdir?

I read that using RAM for MySQL's temporary tables should improve performance. I tried to create /etc/mysql/conf.d/local.cnf with the contents: [mysqld] tmpdir = /run/shm But restarting mysql ...
15
votes
2answers
2k views

Is it possible to query maximum ram my mobo takes?

Is it possible to query through Terminal how much ram my motherboard can take? I'm looking to see if i can even upgrade.
0
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1answer
49 views

Which 14.04 version should I install? [duplicate]

My specific question is that I have 3.9GB of ram, but I don't have an AMD processor. I have the Intel i5. Do I install i386, or the AMD x64 version of 14.04? Let me know if there are other specifics I ...
12
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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 ...