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.

learn more… | top users | synonyms (1)

-1
votes
0answers
9 views

ram usage is too high after update fglrx driver

yesterday when i update my computer it asked new version of fglrx driver available to use? so i choose new version. after i notified my ram usage is too high so my computer is too slow and stuck for a ...
-4
votes
1answer
33 views

Slowest OS of the major three [on hold]

Why is Handbrake not as fast in Ubuntu 15.04 as Windows 7 or Mac 10.10.3. Same version Handbrake, and completely identical hardware?
0
votes
0answers
18 views

Unable to find an initial ram disk that I know how to handle

After upgrading to the next linux image, aptitude has outputted the following lines: Setting up linux-image-3.16.0-38-generic (3.16.0-38.52~14.04.1) ... Running depmod. update-initramfs: deferring ...
0
votes
1answer
27 views

How do I find out why I get anytime the same error message from an original Ubuntu script?

Swap2Ram.sh always produces its error message, even when I have enough ram left. Any ideas? #!/bin/sh mem=$(free | awk '/Mem:/ {print $4}') swap=$(free | awk '/Swap:/ {print $3}') if [ $mem -lt ...
0
votes
1answer
30 views

ZRAM vs. regular swap partition

I don't fully understand the functionality and the potential advantages of zram. For example: once zram is activated, what percentage of memory will be dedicated to paging? Another issue: obviously ...
0
votes
2answers
21 views

How to allow a process to use more memory

I am trying to run a game on Steam at a decent speed. I exceed the system requirements for this game, and the game is already set to minimum graphics, but it is still running slow. I have been using ...
1
vote
1answer
18 views

Need help, computer not registering RAM [closed]

I built a computer out of an old case and parts that I ordered. Initially I got 4gbs of Crucial ballistix ram, and since I intended to use this computer for casual gaming I upgraded it to 8gbs. At ...
0
votes
0answers
14 views

fcitx process using more memory

yesterday i activated onscreen keyboard after notified fcitx process use 2600 Mb of ram so my machine is super slow,but everything is ok when i kill that process,what is this fcxti process and what ...
-1
votes
0answers
21 views

How to display the 'percentage free' RAM usage using Perl Script? [duplicate]

I need to make a perl script which will display the percentage free RAM usage and the value should be able to be piped to another command. Appending into a text file should also be possible within the ...
0
votes
0answers
24 views

How to monitor the effect of increasing or decreasing swappiness?

I'm on a system with 1.5GB RAM (don't laugh!), half of which is generally being used by Firefox. Currently, 3% of the 3GB Swap are being used (some 80MB). I tried to change the swappiness like so: ...
2
votes
2answers
77 views

My computer halts for short times intermittently. Is it related to my fan making a lot of noise?

I have two problems with my computer. The system is halting for short times intermittently so the computers becomes almost impossible to use for short times that can happen just when the computer ...
1
vote
0answers
47 views

Firefox eventually for no aparent reason consumes all CPU and RAM and grinds to a halt pulling my computer along with it

I now use Firefox as my default browser and have found that after having it up and running for several hours, that it starts to use up more and more of my CPU and RAM, and this does not appear to have ...
1
vote
2answers
46 views

Why does the system report 7.7Gb of total Ram when I installed 8Gb?

Why does the system report 7.7Gb of total Ram when I installed 8Gb? I'm using 14.04 on a Dell Vostro 2011
1
vote
1answer
42 views

Can I install Ubuntu 15.04 (Vivid Vervet) in place of Ubuntu 14.04 LTS and keep all my data (media, documents, etc)?

I have been using Ubuntu 14.04 LTS for the better part of a year, but lately I keep having problems with my OS. I repeatedly get a message about not enough space in the boot, and when I attempt to ...
0
votes
0answers
7 views

Boot Space memory allocation [duplicate]

I am unable to install new software, because the boot partition is maxed out. In my boot folder are included all the kernels installed. If I go into that folder and delete all but the current ...
3
votes
2answers
181 views

Ubuntu and Live USB won't Boot after power cut 15.04 BTRFS

I didn't think this was a problem until it happened to me twice on two different systems and have never seen this before. First time I was running Xubuntu 15.04 on a Lenovo T61 using BTRFS. The ...
1
vote
2answers
46 views

How to get a good overview of RAM usage

I have installed Ubuntu 14.10 on a server. The server main task is running a MongoDB installation along with several NodeJS applications. The NodeJS applications will run continuously and will accept ...
0
votes
2answers
39 views

Is it safe to delete a Swap Partition on a USB install?

I have a Ubuntu 14.04 installation on my 32gb USB drive. I recently read that having a Swap causes a lot of reads and writes to the drive making the OS slow and reducing the lifespan of the drive. ...
0
votes
1answer
36 views

32 bit or 64 bit becauce of upgrade of RAM? [duplicate]

On an old Dell PC that originally ran Windows XP 32 bit that I erased the Windows XP 32 bit and installed Ubuntu 32 bit on with less than 2 gigs of RAM. I would like to upgrade the RAM above 2 gigs. ...
0
votes
1answer
43 views

Too much swap, how do I change it?

I'm new at Ubuntu and I'm fiddling around with Ubuntu Server 14.04. I'm trying to get it to run a Minecraft server, but whenever anyone joins, it starts skipping ticks and players reported heavy ...
0
votes
0answers
41 views

How can I make the apps in ubuntu phone using the SDcard instead internal memory?

Pls, if someone has an helpfull answer: When I download a video with "DOWN NOW", it goes by default directly into the internal memory. But as there is not enough space, so I need it to go the SDcard. ...
0
votes
1answer
51 views

Various programmes crashing frquently - could be an issue with the system?

About a week ago Firefox started crashing very frequently, 20 to 30 times a day. On random pages, doing random things, sometimes even when it is minimised. I ran the updates and checked the system for ...
3
votes
1answer
55 views

Can Ubuntu 32-bit access 8GB RAM?

I need to use a large software package (Xojo) that requires the 32-bit architecture to run. Try as I might, I can't seem to install the 32-bit libraries on my 64-bit installation of 15.04. I don't ...
0
votes
0answers
24 views

All Networking disabled after RAM upgrade [virtual]

After running a rather large script file from the terminal I got a Java memory heap error. So I decided to try increasing the RAM to resolve the problem... However, after upgrading the RAM from 2048 ...
0
votes
0answers
19 views

Not Enough Memory to Analyze and Send Problem

I got this message: "Sorry, the program "soffice.bin" closed unexpectedly Your computer does not have enough free memory to automatically analyze the problem and send a report to the developers." ...
0
votes
1answer
37 views

Ubuntu sees 3 out of 4GB of RAM on PAE supported 32bit system

I have 4 gigs of memory inside my laptop but only 3 gigs are showing up and PAE is supported as shown below. Why can't I use all 4 gigs of memory even though my 32 bit system shows that it supports ...
0
votes
0answers
39 views

How much use of swap space means that I should add more memory?

My system is slow and I am trying to figure out if I need more memory or a better system. I am using Ubuntu with 32 GB RAM. $ free total used free shared buffers ...
0
votes
0answers
24 views

Ubuntu 14.04 randomly freezing [duplicate]

I have Ubuntu 14.04 running on a Thinkpad T440 with Intel Core i5 Vpro 4gb with Intel Haswell graphics but it is randomly freezing with no reason. Recently I didn't have made any big change on the ...
0
votes
0answers
35 views

How to increase Locked Memory size in Kubuntu?

I am trying to run Ardour in Kubuntu and I get this error: Your system has a limit for maximum amount of locked memory. This might cause Ardour to run out of memory before your system runs out of ...
1
vote
2answers
57 views

Why does Lubuntu shows less RAM than installed?

I am using Lubuntu 14.04 I have two sticks of 4 GB RAM, they work fine under Windows. But when I open the LXTask it says I have 7868 MB when it should show 8192 MB. Using no integrated graphics ...
1
vote
1answer
41 views

restrict memory usage to prevent swapping

I have an SSD and 8GB memory, and no swap partition. My normal use never ever needs more than 3-4GB. However from time to time I observed that some memory-leaking programs can still freeze the system ...
0
votes
0answers
13 views

Where does the kernel file dump_pagetables.c dump the data of the page tables?

I m working on a project to do memory allocation in the kernel. I would like to know how the virtual memory is allocated presently in the dump_pagetables.c file.
2
votes
0answers
98 views

ZFS - Always Out of Memory

I read that ZFS was set to use all physical memory except 1GB on systems that have 4GB or more. Since I have virtual machines running my home-server that is running the ZFS filesystem, I wanted to ...
0
votes
0answers
24 views

Get OS Process List with Volatility From a memory dump

I am wondering if anyone can help me I am trying to figure out how to get a count of the processes that were running in the OS process list using volatility from a ram dump. $python vol.py pslist -f ...
2
votes
0answers
38 views

“-/+ buffers/cache memory” is zero

i have an OpenVZ VPS with ubuntu server 14.04.2 and i can access to a SolusVM control panel. Recently, "memory usage" is always 0 KB, and only "vswap usage" shows real swap usage. if i run free -k i ...
1
vote
1answer
209 views

Could I install Ubuntu on SD card and runt it from my Chromebook?

So I just installed Ubuntu on my Chromebook. Now the main issue is that the internal memory is limited. I am thinking of using a 64 GB SD card to expend the memory. Would it run as smooth as it does ...
1
vote
0answers
33 views

Ubuntu 12.04 only recognising 2.9Gb Ram out of 4Gb

Yes it is a 32-bit installation, but there is supposed to be PAE that allows it to use all of the ram. The command: sudo lshw -class memory | grep GiB -m 1 tells me that yes there is 4Gb ...
0
votes
0answers
22 views

Prepare for a huge computational script (RAM, SWAP…)

I run lots of python scripts on my laptop, but this time the situation is tricky. I need to read dump files, and perform huge calculations, so I need a lot of RAM and space. A crude calculation ...
1
vote
1answer
24 views

How to check if there is already a swap area?

I am using Ubuntu 14.04 on my laptop with 4 GB RAM. I had chosen option to "replace Windows 8 and install Ubuntu with LVM" when installing Ubuntu. Now I wanted to create a swap partition, I executed ...
0
votes
1answer
36 views

Virtual RAM folder in Ubuntu?

I would like to have a folder mounted as temporary, which is actually my RAM. This is so that, for example, I could copy a movie into my RAM, unplug my external drive, and then watch it. Can this be ...
0
votes
1answer
42 views

Ubuntu 14.04 RAM not usable — mallocate problem

I have a strange situation where my Ubuntu server (14.04) is not recognizing all of the memory installed in my server. I have a HP Proliant DL 380 G3 server (32bit) with 10 GB memory. I couldn't use ...
0
votes
1answer
60 views

Is it possible to limit cache memory to a process?

I am using network capture tool named dumpcap and it is consuming too much cache memory. So other processes getting no memory to run. htop command shown cache memory as 29 GB in Meters. Can ...
0
votes
0answers
45 views

automate processes based on priority and memory size.

I have written a script to output vmstat etc according to user input and have also written a script for process control based on user input. the process script allows the user to use a series of menu ...
2
votes
2answers
49 views

record of swap/memory usage - how to do it?

Here is a quick intro to the problem, but if you're interested only on the question, I think you may skip to the last paragraph. I have installed Ubuntu Mate on my laptop with the recommended amount ...
0
votes
0answers
16 views

Virtualization hardware review

I'm running an home server based on Ubuntu 14.10 for running some services that I need on my LAN such as: mysql db, LAMP stack, NFS share, Squid proxy and so. My machine is built on Intel(R) ...
9
votes
2answers
647 views

How do I run memtest86+?

If I encounter a situation where I suspect my machine's RAM might be going bad, I might need to launch memtest86+ to check it. How can I do this using Ubuntu? Are there different methods for launching ...
0
votes
0answers
58 views

My laptop very slow, Is the problem with Hard Disk or RAM ( very low Timing cached reads value)

My laptop has been running very slow, I reinstalled Ubuntu and also tried Windows but didn’t find any difference. I thought this could be a problem with my HD. I tried the below tests with hdparm ...
0
votes
1answer
42 views

Real & accurate memory usage statistics (top)?

Need accurate memory usage statistics to figure out what size matrix I can work with without choking the RAM on this laptop. ;) I am using top to figure out how much memory an app I'm working on is ...
0
votes
1answer
85 views

How do I know how much RAM can I upgrade my laptop?

I have a HP Pavilion laptop quite old (2008) which I would like to increase the RAM. Ideally I would like to have 8Gb but I have no idea how to check if hardware could support this extension. These ...
0
votes
0answers
16 views

Desktop computer slowdown on heavy loads

In Linux generally, is it possible to limit cpu, ram and iops(hdd,nic..) given for processes not belonging to core operating system, including system libraries, X server, system utilities, user ...