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 keep from having installations/memory wiped after every reboot and shut down?

I installed Ubuntu on my Win7 64bit computer such that it would have a dual boot with Windows 7 at the grub screen. I used a disk to do so. I have been using Linux/Ubuntu the last two days to do some ...
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24 views

How to install Ubuntu on mac via usb drive without erasing anything on the mac

I want to install Ubuntu 15.04 on my mom's iMac. I'm new to these things and I don't want to erase anything on her computer, as she has many files and pictures. I installed the "preview" I guess i ...
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14 views

Can I Install RAM Wipe Feature at shutdown/reboot of Backbox in Ubuntu 14.04

We decided to use Ubuntu 14.04 in Full Disk Encryption along with the Nuke crypt setup patch released for Kali-Linux as an extra layer of security but I would like to know that is it possible to ...
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32 views

Extremely slow OS. Swap related?

I really hope you can help me. An inexperienced sysadmin, installed Ubuntu on a new Dell Desktop, it's a pretty powerful machine, and I ran a bunch of hardware tests, and can confirm that RAM/HDD and ...
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2answers
42 views

What do these numbers mean in syslog?

I'm trying to determine why MySQL server process is being killed due to out of memory, so am looking at the sylog. Immediately before the 'out of memory' I see lots of lines with differing numbers but ...
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1answer
21 views

Record RAM usage during runtime of a Java Application

I want to evaluate how some code transformations change the RAM usage of a Java Application. Is there a possibility to log the average RAM usage or the highest peak of the RAM usage in the shell ...
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0answers
12 views

after system update 4GB RAM decreased to 2.5GB (Ubuntu 14.04 x64)

after update ubuntu about a month ago, the amount of available memory dropped to 2.5 GB. Bios sees normal 4GB, before upgrade Ubuntu also saw 4GB the same problem: 4GB RAM installed, Ubuntu shows ...
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13 views

VRAM usage from DE

I'm using NVIDIA GT 705 /1gbDD3.64bit.48CudaCores/, Ubuntu 14.04 with Gnome 3. While playing Heroes of the Storm VRAM usage is going up to 945 so here is the question: Will it makes difference if i ...
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1answer
35 views

Ubuntu 14.04.1 is consuming 7.8 gigs of 8 gigs ram?

Actually had to create a new account due to openid 2.0 obsolete....I havent been on Askubuntu in quite awhile but tonight I was doing some work on a website when noticing my computer for once was ...
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1answer
24 views

How to specify the memory size in ubuntu in GB?

I am trying to know what is the memory size in GB in a Ubuntu server. What do these values mean? >> free -to total used free shared buffers cached Mem: ...
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1answer
46 views

Maximum RAM for my Ubuntu and laptop? [duplicate]

My laptop is Thinkpad T400, and running 64 bit Ubuntu 14.04. I wonder if there is no limit of the RAM size that I can use in my laptop? Now I am running Windows 8.1 in VirtualBox, which takes 2GB ...
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2answers
191 views

Why does 15.04 freeze?

The issues are listed in this link, but I'll relist/summarize here: Ubuntu 15.04 is locking up on me, primarily when watching internet videos or listening to Slacker Radio. I have Ubuntu installed on ...
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17 views

Prevent page cache above certain RAM usage level

Someone here on AskUbuntu pointed out that disk caching is harmless thing, that only makes your disc read times faster. And that it is birds singing and flowers only. I kinda have to disagree: I ...
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117 views

Ubuntu won't boot with over 4gb ram

When booting Ubuntu 14.04 server LTS with more than 4gb Ram the computer displays a black screen. I have an Asrock d1800b-itx motherboard. The processor is an Intel Celeron j1800 (64 bit processor) it ...
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0answers
49 views

How to find swap usage per process when conventional methods fail? (15.04)

I'm having some difficulty determining what is using my swap space on Ubuntu 15.04. Even though I've set vm.swappiness to 1 and have more than 1/2 of my 16GB of RAM free (or at least unoccupied by a ...
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26 views

vmware workstation on ubuntu 14.04 do not use ram and swap don disk

i have a strange problem, just get new notebook, moved disk from old notebook. new pc have intel i7 with 8gb ram, ubuntu 14.04 64 bit on board (previous was 3gb ram). i'm using vmware workstation ...
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2answers
15 views

conky RAM usage - does not show large file in ram disk (tmpfs)

My conkyrc file contains the following: ${color grey}RAM Usage:$color $mem/ $memmax - $memperc% ${membar 4} This shows RAM usage numerical values and a bar, for example "1.01GiB/ 7.79GiB - 13% ...
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37 views

How to get Ubuntu to run off a usb stick on RAM?

It's easy to put the iso on a usb stick to either install on a hard drive or 'try' it out. But just trying the latest distro even running on a usb3 stick takes forever to test run. And once there, you ...
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1answer
36 views

High RAM usage.

watch -n 5 free -mprovides me with: Total: 7934 Free:6233 However, my system monitor says I'm using 50-60% just while running Chrome and Spotify? To me it seems a tad high. I'm on a desktop PC, ...
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1answer
72 views

Ubuntu 14.04 too slow and laggy!

I have Lenovo Ideapad y510p and have dual boot Ubuntu 14.04 with Windows 8.1 and I uses Ubuntu for all my work specially for developing Android apps, I have 8GB of RAM and 9GB for swap, but it's so ...
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1answer
92 views

8GB RAM installed, free only shows 4GB

I've installed 8GB of RAM (2x4GB) in my computer. Before I have only 4GB (1x4GB), and I've installed the new cards one where the oldest was and the other in the other slot of the same type. But if I ...
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1answer
44 views

ram usage is too high after update of 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 ...
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105 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 ...
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1answer
28 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 ...
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84 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 ...
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2answers
40 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 ...
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1answer
22 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 ...
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16 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 ...
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29 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: ...
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2answers
93 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 ...
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125 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 ...
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2answers
67 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
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1answer
55 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 ...
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0answers
11 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 ...
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2answers
312 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 ...
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2answers
59 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 ...
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2answers
51 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. ...
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1answer
47 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. ...
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1answer
51 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 ...
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52 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. ...
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1answer
57 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 ...
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1answer
99 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 ...
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0answers
30 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 ...
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0answers
27 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." ...
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1answer
50 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 ...
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0answers
44 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 ...
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0answers
25 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 ...
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0answers
45 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 ...
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2answers
91 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 ...
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1answer
74 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 ...