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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Ubuntu 14.04 installation stops when copying files

I have the following system config i5 processor, 4gb (2+2) ram, 1gb graphics card, 500gb hard disk. I tried adding another 4gb ram to my system. So I added the newly bought 4gb ram into my pc and ...
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19 views

RAM DIMMs not detected [on hold]

I just installed some new RAM cards, and I can't get them to work. In particular, lshw only detects the two cards that were there previously, not noticing the two new ones. I think I have the right ...
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0answers
13 views

need help to find out if this ram will work for my computer [on hold]

so my dad picked up this computer from the garbage and its sexy but it doesnt have a powercord so idk if its worth removing the ram and graphics card and installing it into the computer now that i use ...
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3answers
214 views

reinstall of OS after decreasing memory

Do I need to reinstall OS after decreasing memory (RAM)? Originally I had 8GB while now only 4GB. OS: Ubuntu 14.04.3 LTS Linux p6-2315el 3.13.0-76-generic #120-Ubuntu SMP Mon Jan 18 15:59:10 UTC 2016 ...
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0answers
48 views

Failed to alloc mem for ROM

So recently, I've bought the HP Pavilion x2 detachable. It came with Windows 10 but I wanted to install Ubuntu on it. I tried to install Ubuntu 15.10 but every time I tried to do that, the computer ...
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73 views

MySQL gradually taking up more and more memory

Just to start with, I have read the following threads and they do not help: Optimising MySQL settings - mysqld running out of memory MySQL Server keep shutting down ...
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0answers
19 views

System freezes after upgrading to 32 GB RAM

I have recently upgraded my Toshiba Tecra W50-A-114 from 16 to 32 GB RAM (added 2x 8 GB modules of Kingston KTT-S3CL/8G that is certified to use with my laptop). I did clean installation of 64 bit ...
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0answers
26 views

How can I reduce the idle RAM usage of Ubuntu?

I already tried Lubuntu 15.10 which uses ~130mb of RAM and Ubuntu-core 15.10 + LXDE which uses ~100mb of RAM. I have decided Lubuntu is better for me and now I want to remove/disable services and ...
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0answers
5 views

Kubuntu, Flex mode ram and intel graphics

I'm running Kubuntu 15.10 and I have a Gigabyte GA-G41M-Combo. I'm using the integrated Intel graphics. I'm trying to use a 4Gb ram stick and a 2Gb (different speeds). Both memories work fine by ...
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0answers
14 views

Memory and swap full from Rails App on EC2 Ubuntu Apache Passenger

I am not familiar with htop or ubuntu processes but my app's memory is full almost immediately after rebooting. Each of the rails processes seem to be taking up 25% of my memory. I recently upgraded ...
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34 views

Ubuntu Memory Low

When I SSH in, my memory usage is at57%. It looks like I have very little RAM available but I don't think that was the case before... ubuntu:/etc/projects/myapp$ free -h total ...
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16 views

Does Ubuntu have a Windows SpeedBoost feature?

My computer only has 1GB of ram and I want to run a Minecraft Server which requires more ram. Can I use something like Windows SpeedBoost?
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0answers
16 views

How to extend the virtual memory in Linux?

I have a 1GB ram pc, is there a way to extend virtual memory? I cannot do anything because my pc is moving horribly slow. I am planning on buying a raspberry pi b+ and really need it fast for a ...
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0answers
8 views

Erase swap memory storage when app load decreased

I have enough RAM for most purposes, but sometimes I inevitably get carried away with the number of apps and tabs I have open, pushing short-term memory storage into swap. I'll then do an inventory ...
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1answer
62 views

Linux overwriting RAM with zeroes on free()

I was just wondering if it is possible to tell Linux/Ubuntu to overwrite freed memory with zeroes before letting the next application allocate it? If not, why isn't this possible? I know that ...
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1answer
34 views

Unable to set default value for swappiness

I have an Ubuntu 15.04 64bit with 4GB RAM. I do not have a separate swap partition, but a swapfile of 8GB. The system recognizes the swap. I have tried to set swappiness to 15 by adding it to the ...
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0answers
18 views

Does Ubuntu write to certain memory addresses?

I have some options in BIOS setup that allow caching video BIOS, system BIOS and video RAM to C0000h-C7FFFh, F0000h-FFFFFh and A0000h-AFFFFh, respectively. Does Ubuntu write to these locations? (Doing ...
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1answer
2k views

Performance Ubuntu 14.04.3 LTS vs 15.10

I am running now on Windows 7, but i am thinking about going to Linux (Ubuntu), i have experiences only with debian (VPS) yet :) But i like Linux, so i would like to have Ubuntu as my primary desktop ...
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1answer
58 views

Why is Lubuntu slower than Kubuntu (in the same machine)?

I have a FS Amilo laptop with 2GB of RAM. I have Kubuntu, Lubuntu, and Puppy Linux installed on it. I chose Lubuntu for speed, but my experience isn't as smooth as I expected. The desktop ...
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1answer
33 views

Upgraded from 3gb ram to 4gb ram, ubuntu 15 amd64 will not load and keeps rebooting, unbuntu amd64 live will do the same

I have a Samsung X360 laptop. It comes with 3gb ram installed. I have ubuntu 15 64bit installed. I upgraded the 1gb stick to a 2gb stick. Upgrading from 3gb ram to 4gb ram, ubuntu 15 amd64 will not ...
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0answers
24 views

Why is Ubuntu 15.10 x64 Server EDAC giving a slot error for 48Gb ram (x12 2Gb Slots)

I have been running a homelab on a supermicro server that has a total of 48Gb of ram on 12 2Gb slots and I have been getting a repetitive error from EDAC every few seconds. EDAC MC0: INTERNAL ...
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0answers
14 views

Changing Shared Memory in Ubuntu

So I just received my i7-4790k and installed it into a MSI z97 Gaming 5 motherboard. However, the shared memory is restricted to 512MB, and it seems to be possible to increase the amount in Windows, ...
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0answers
131 views

Chrome/chromium very slow after idle in ubuntu 15.10

I have this pretty strange problem with both chrome and chromium browser. While working with them they are perfectly fine and fast browsers, but if I leave my PC idle for some time like 10+ minutes ...
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0answers
24 views

Edit Aufs Tmpfs partition size

I followed this instruction https://help.ubuntu.com/community/aufsRootFileSystemOnUsbFlash to create a aufs RAMDISK for my xubuntu. It creates a 512MB Filesystem. SO, HOW CAN I CHANGE THAT SIZE FOR ...
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0answers
50 views

Ubuntu showing less ram than before after fresh install

I had Ubuntu 15.04 installed but its support ends in January. And I don't have that much bandwidth and money to do a upgrade every 9 months so I turned back to 14.04 and upgraded it to 14.04.3. But I ...
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0answers
72 views

Kswapd0 using 100% of CPU

I've got a mini server running (L)ubuntu 14.04.3, kernel 3.4.39. Every once in a while, the process kswapd0 will use 100% of my CPU power, even though I only use about ~20% of my RAM at that time. ...
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1answer
55 views

Increase ext4 partition size by decreasing Swap memory size in linux [duplicate]

I was a newbie while installing linux mint 17.2 in my laptop. So I allocated more than 20GB for my swap memory and 30Gb for ext4 partition. Now only I realized that swap memory is using instead of RAM ...
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0answers
47 views

kernel panic not syncing, after RAM upgrade

I have a motherboard Asus Rampage IV Extreme, processor Intel 4930k 6 cores, and 32Gb RAM Corsair Vengeance CL9 1866Mhz. I upgraded to 64Gb RAM Corsair Vengeance CL9 1866Mhz. Using RAM at 1333Mhz ...
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0answers
40 views

Memory corruption detected on Ubuntu 14.04

I have been using Ubuntu 14.04 for last couple weeks (may be month). Today, I have updated a large chunk of softwares and installed a new ram module (4GB extra). I have installed Java7 and 8 and ...
3
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2answers
544 views

fdisk -l shows 16 ram disks /dev/ram0 … /ram15

Ever since I upgraded to 15.10, fdisk -l reports 16 ram disks (/dev/ram0 ... /dev/ram15). I'm a bit unsure what those are needed for. Is it safe to delete them? If not, how can I get rid of that fdisk ...
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0answers
31 views

Memory RAM upgrade on Dell 15 3521 running xubuntu

I got a RAM module SODIMM with 8GB DDR3L 2133 Mhz and I upgrade my laptop which had a DDR3 6GB RAM at 1600 Mhz speed (1 module with 2GB and 1 with 4GB), now I have 12GB in my laptop, my question is: ...
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1answer
34 views

how free memory showing as 174G, even i dont have that much RAM [closed]

xxx@xxxl:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 228G 42G 174G 20% / what is difference between Normal G and this 173G ? Is that all free memory ...
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5answers
63 views

How can I know how much free ram i have left on Lubuntu?

I don't know how to see a graphical representation of how much ram i have left.
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0answers
29 views

Performance penalties of using zram on a high-memory machine

I've heard zRAM does wonders in low-memory machines, like allowing to have 20 tabs open in a browser window without swapping or OOM - all that even without noticing that zram has kicked in! I am ...
0
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0answers
18 views

Can I install Ubuntu touch on any android phone which got 1B RAM and 4GB internal memory? [duplicate]

Currently I'm using Lava IRIS 504q mobile running about 4.2 Jelly Bean... It has got 1GB RAM and 4GB internal storage out of which nearly 1GB memory is reserved for apps.... Memory is expandable up to ...
0
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1answer
354 views

Increase dedicated video memory on Intel HD graphics [closed]

I was going to try and run EVE Online with PlayOnLinux on my Acer Aspire V3-371-79XR. The laptop has Intel HD Graphics 5500 inside, an i7 core and 8 GiB of DDR3 ram. I checked the dedicated video ...
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0answers
45 views

Kernel keeps killing Java process due to Out of Memory

I am trying to solve a CPLEX problem using the Java library but the kernel keeps killing my process due to "Out of Memory". I've tried setting memory limits on the CPLEX program and I've tried ...
2
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2answers
44 views

Prevent Ubuntu RAM increase rapidly?

I have ubuntu server 14.04 installed in my server. And i have vsftpd server that provide download file test for testing purpose. my question is why if client download the ftp file, my server ram is ...
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0answers
35 views

Netbeans uses all shared memory

Recently I noticed that when Netbeans is running, many other programs look strange when I run them,for example VLC's "floating controls" look transparent, and there is an overlap of text in the non ...
0
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0answers
57 views

Can Ubuntu get slow due to chrome using too much of the ram?

I work a lot with the browser (Google Chrome) and I open many tabs. Sometimes my system slows down and I think it should not happen to a brand new mid range good quality laptop. I am just wondering if ...
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0answers
19 views

Problem with available memory and can't update

I am using Xubuntu 14.04 LTS. When I use df -h command in terminal, it shows this: Filesystem Size Used Avail Use% Mounted on /dev/sda1 9,1G 8,0G 618M 93% / none 4,0K 0 ...
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1answer
104 views

Disable RAM memory caching for a particular program

I am running few benchmarks test using binaries made out of C. Is there anyway so I can ask kernel not to cache any part of these binary programs?
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1answer
93 views

How do I make Firefox in Lubuntu use less virtual memory?

I have Lubuntu 14.04 installed on an old XP desktop, which has an Intel Celeron 2.00GHz and a SiS 651 graphics chipset. I have upgraded it with as much memory as it will take (2GB DDR), and a 120GB ...
0
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0answers
59 views

Aquaris phone other files using memory

I have a ubuntu (touch) phone Aquaris E5 (OS 15.04 r6) Of the 16gb of memory, 8gb is 'other' files When checking the memory, (system settings, about phone, memory), lots of file types are specified ...
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2answers
47 views

limit eclipse from taking over the RAM

I'm using Eclipse in Ubuntu 14.04 for scientific stuff and my code consumes a lot of RAM. When I run my code in Eclipse, I see in System Monitor that the RAM usage goes up to almost 100% and at the ...
0
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0answers
147 views

How can I fix 'Memory Corruption Detected In Low Memory' - Ubuntu Server 14.04 on Sony Vaio FW55

I installed Ubuntu Server 14.04 on my Sony Vaio laptop (FW55 Series), and I keep getting these 'memory corruption detected in low memory' messages before I login, after I login, and thereafter. Do I ...
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0answers
144 views

Why does Ubuntu 15.10 64-bit only detect 2.6 GB of RAM on my 4 GB Laptop?

Mostly Fixed I'm using a ThinkPad X240, and most linux distros report my total RAM as 3.8 GiB, but Ubuntu 15.10 is reporting 2.6 GiB. I'm running 64-bit Ubuntu. I've checked my BIOS, and it says I ...
0
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1answer
108 views

64-bit or 32-bit for chromebook w/ 2gb RAM?

To be specific, the computer is the Acer CB3-111-C670. 32-bit is recommended for devices w/ less than 2GB RAM, but i'm not sure if that applies in this case.
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0answers
143 views

Ubuntu 15.10 not detecting full amount of ram

I've noticed that Ubuntu wily doesn't detect 8gb ram in my pc but shows a total of 6gb with 1gb in use leaving 4gb free. However, i know for certain I have 8gb in it via x2 4gb sticks. The system is ...
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0answers
28 views

how to enable 1MB dma-kmalloc

I'm running a ubuntu 15.10 VM and testing code that will allocate 1MB dma buffers. However, from the /proc/slabinfo, the max that can be allocated is 8K dma-kmalloc-8192 0 0 8192 4 ...