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)

0
votes
0answers
10 views

14.04 Multiple Crashes, Different Circumstances, How to fix?

I am running 14.04 on Hard Drive not Virtual (just for clarification). Sometimes I am doing something, anything, maybe browsing the internet or typing something, and then it gets frozen. I have to ...
3
votes
3answers
364 views

lshw not showing individual memory bank info

This is all I get: sudo lshw -C memory *-memory description: System memory physical id: 0 size: 7981MiB sudo lshw doesn't give any more info. lshw used to ...
1
vote
1answer
29 views

Ubuntu doesn't recognize full RAM capacity

I have installed a Ubuntu Server 16.04 amd64 on my machine. I'm having trouble with ram capacity - first I installed a 2GB stick which free -m reported as 1430 total size, now I installed a different ...
0
votes
1answer
17 views

Server is swapping regardless of available memory

Here is some vmstat output x@x-server:~$ vmstat 1 procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swpd free buff cache si so bi bo in cs us ...
0
votes
0answers
11 views

Java based application is really slow

I am using Ubuntu 16.04. I have a big problem with java based application. When I use java based application, the application always become really slow. The application I used are Cytoscape and ...
1
vote
1answer
27 views

Swiching to Lubuntu from Ubuntu- Guild Wars 2

If I install Lubuntu over, or in replacement of, the Ubuntu I am already using, can I still download Guild Wars 2 with the play on Linux app? I currently have the game downloaded but it crashes at the ...
0
votes
2answers
2k views

Ardour, system has a limit for maximum amount of locked memory

After installing and starting Ardour I receive the following warning message: WARNING: Your system has a limit for maximum amount of locked memory. This might cause Ardour to run out of memory ...
0
votes
2answers
29 views

How to show size Ram and CPU ussage in Ubuntu?

I am newbie in use Ubuntu so I don't know how to show Ram and CPU usage which is the same in Task Manager on Windows. It can show by command line in Ubuntu or Application to see more.
0
votes
4answers
3k views

Is there any application or command that cleans the memory like CCleaner in Windows?

After the system has been running for 8 hours continuously, it becomes slow. When I faced the same situation on Windows, I used CCleaner to clean memory, which used to give me a little boost. Is ...
5
votes
1answer
14k views

how to get graphics card memory info? windows and linux shows different value

In my Windows 8, video card shows 640 MB of available memory (Screen Resolution > Advanced Settings or with dxdiag). But ubuntu (with lspci command) shows 256 MB. so who's right?
1
vote
0answers
13 views

How to restrict OS using specific memory locations in RAM?

I have 6 GB of RAM, my RAM has a block of memory corrupt( 1MB of size). When I tested it with memtest, it showed about a hundred thousand of errors in just a small part of it, starting from 5024.1 MB ...
0
votes
0answers
10 views

GPU vram extended with system ram

Is it possible to virtually increase the usable GPU memory RAM through the system RAM or an SSD? Background of the question is a program that requires a bigger than available GPU RAM.
0
votes
0answers
13 views

Store data on RAM to save loading time

I have large amount of data (about 3 Gb) which needs to be interpreted by Python. Because I don't have any SSD, but large (~50 Gb) amount of RAM, I tried to save data on /dev/shm or tmpfs, but it ...
0
votes
0answers
28 views

Ubuntu giving a blank screen after restore from suspend after a RAM upgrade on 16.04

I've increased the swap partition to be about 2x the new amount of RAM after the upgrade to resolve the issue, but that doesn't seem to have fixed it. The computer could previously suspend and ...
0
votes
1answer
28 views

Not properly using Physical memory

How do I get ubuntu to make use of the swap file. It doesn't even use the full physical memory, it only uses 1.3 Gb of 8 Gb, and it doesn't make use of the swap file at all, even when it has detected ...
1
vote
4answers
4k views

installing ubuntu first time, DELL Optiplex 755

I am new to computers and everything and want to try ubuntu on a desktop I just got, DEll Optiplex 755. It is a bit old, I think 2007. Will the new version of Ubuntu work on it. I am upgrading the ...
0
votes
1answer
44 views

Is it possible to extend memory for ubuntu OS?

I installed Ubuntu 14.04 LTE in my DELL laptop.It is working properly,Now I can access 2 Operating systems(win8 & Ubuntu). At the time of installation process I allocated memory as around 10 GB ...
0
votes
1answer
36 views

Do I have 2 more free slots for RAM?

I ran sudo dmidecode --type memory and the result was: # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. Handle 0x000C, DMI type 16, 23 bytes Physical Memory Array Location: ...
0
votes
1answer
55 views

kubuntu Xenial i386 and 8GB of RAM

I'm running kubuntu 16.04 i386 and have just installed additional RAM. It seems that 16.04 doesn't have pae kernel: E: Unable to locate package linux-generic-pae E: Unable to locate package ...
2
votes
4answers
3k views

Testing my system, I need a script that will use as much ram and swap as possible

I'm testing my system with zram, I need a script that will use as much ram as possible. This script should fill up my ram with random stuff not just zeros.
0
votes
0answers
18 views

How can I reserve memory for a specific application? (redis in this case)

I've installed Redis-Server on an Ubuntu Server 14.04 64 bit LTS and assigned 47GB of RAM as am expecting to temporarily hold data in RAM before dumping it eventually to Postgresql. I've noticed that ...
0
votes
2answers
58 views

not all RAM recognised ~3.3 of 8GB [closed]

I recently installed some new RAM so that I have 8GB (4x2GB sticks). The Bios displays all four sticks, however Ubuntu only shows about 3.3GB available. Both the system details and info from terminal ...
0
votes
0answers
334 views

High usage of ram in Ubuntu 16.04

I have a problem since I upgraded from 15.10 to 16.04 some days ago: My ram is almost completely full! I have 8 GB of ram on my system, currently 6,9GB are used (with just firefox open). I've ran a ...
0
votes
1answer
4k 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. ...
0
votes
1answer
14 views

How do you hotplug enable new CPU and RAM in a Virtual Machine

I am running Ubuntu in a virtual machine and I'd like to add CPU and RAM without rebooting the device. How can I hotplug this new virtual hardware?
0
votes
0answers
57 views

RAM Memory Not Recognized

Today I put a new 8GB RAM, replacing the old 4GB one, but it's not recognized by Ubuntu nor by Windows 10 (I have dual OS). Now I have only 4GB recognized because I didn't replaced both of them. I ...
0
votes
1answer
35 views

I've more than 60% of free RAM but i can't run a simple php file

I'm trying to run a simple .php file in my local environement : (Ubuntu 15.10 - Intel® Core™ i7-4600U CPU @ 2.10GHz × 4 - 64-bit - 8GB RAM) So you are seeing that I've more than 60% of free RAM ...
26
votes
6answers
31k views

How to find how much RAM does my computer have?

How do I find out how much ram my computer has? I am running Ubuntu 13.04.
1
vote
1answer
71 views

Mediascanner-extractor consuming all RAM in Ubuntu 16.04

I recently upgraded Ubuntu 14.04 to Ubuntu 16.04. Now whenever I plug in my external hard disk, mediascanner-extractor starts consuming all my RAM and Swap space till my computer hangs and I have to ...
0
votes
1answer
34 views

14.04 LTS not recognizing all my RAM [closed]

I recently installed 32 Bit 14.04 on my old XP computer. It seems to have installed without issues, however all of the RAM is not being recognized. In the system info it says 2.4 GiB, I believe I ...
0
votes
0answers
15 views

Ubuntu server and mysql with bitnami

I'm hoping someone can help me or point me in the right direction. I have an Ubuntu 14.4 server running as a web server which we run a WordPress installation on, We've used the Bitnami installer to ...
0
votes
1answer
264 views

High SHMem memory usage!

I have tried everything I could think of so here I am asking this question here... I have a computer that has 8 GB of RAM. After booting the computer, logging in, not opening any applications and ...
0
votes
0answers
30 views

Ubuntu running extremely slow on P4 1GB RAM. New Install. Used to run well previously

i am currently running Ubuntu 14.04 64 bit on a Pentium 4 with 1 GB DDR2 RAM. It used to run butter smooth on 2 GB RAM. Unfortunately I had to remove 1 RAM card to use in another old PC. And now, in ...
0
votes
0answers
6 views

Xubuntu dunst high RSS

I noticed my computer was being slower than normal so I checked the task manager and sorted by RSS usage, and "dunst" is using the most with 1285 MiB. That's a lot for my system, as I only have 3823 ...
1
vote
2answers
113 views

High CPU load, low core usage, (ECC) memory error in kernel

I am having a super weird behavior ... The CPU load of my computer goes through the roof (>4 on a 8core machine) but there is no process that is taking much CPU (see attached image) Though the 8 core ...
0
votes
1answer
36 views

How do I tell what type of RAM I have in Ubuntu? [duplicate]

I have a dual-boot system with both Windows 7 and Ubuntu. Windows normally provides me detailed system information like what type of RAM is used. However, I am currently troubleshooting the PC and I ...
0
votes
0answers
11 views

Swap on video ram

I'd like to create Swap on video ram. I don't use my additional graphic card. Is a way to do this in Ubuntu ? https://wiki.archlinux.org/index.php/swap_on_video_ram
36
votes
5answers
49k 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 ...
116
votes
8answers
194k 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 ...
0
votes
2answers
37 views

Understanding htop

I am trying to make sense out of htop. I have a virtual PC with 6 GB RAM running ubuntu 15.10. I have installed a few applications on the server: Jenkins, Artifactory and some other tools. When I run ...
0
votes
0answers
7 views

Ubuntu 15.10 trying to upgrade AMD Desktop memory and getting hangs

I have been trying to upgrade my AMD desktop memory from 2G to 8G. The box runs dual boot with Windows XP, which boots fine although it only recognizes about 3G of memory. When I try to boot to Ubuntu ...
0
votes
1answer
27 views

Allocating disk space as memory temporarily

I need to run some application to convert large files (7GB). The converter application isn't nicely written. So it doesn't stream the coverted data. Therefore, it requires high amount of memory. I ...
0
votes
1answer
43 views

64-bit Ubuntu seems to think it is 32-bit

Yesterday, I posted this thread, and got a reply, telling me to install 64-bit Ubuntu. I thought I already had a 64-bit copy, so I went to my system Details, and found that I did, indeed have an x64 ...
0
votes
1answer
30 views

Build fails after not enough RAM even after swap

I have a 4GB RAM and I have to work in android environment. Some components in the source needs high RAM as a result, I made a swap file of 8GB and I have a 4GB RAM. My RAM is 11mb or less while ...
0
votes
2answers
214 views

Out of Memory Issue

I am running Ubuntu 14.04LTS on a Dell PowerEdge R730 with 32 GB of RAM and an Nvidia K80 GPU.. I have a python script that runs for a long time, but really just makes a bunch of relatively ...
0
votes
0answers
21 views

A software doesn't have access to enough memory?

I use the software GrandOrgue, and I've had pretty good results with my two MIDI keyboards and some basic samplesets, but when I try to load a larger one, such as the Barton 3/7, it gives me a "Not ...
7
votes
2answers
7k views

Why is the evolution-calendar-factory process running?

Why is the evolution-calendar-factory process running? Here are some of the running processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten ...
0
votes
0answers
28 views

How to lift memory limitation?

My current machine: ASUS K50IJ: 64bit dualcore 1.8GHz CPU, 2GB RAM, intel GMA 4500 I played Half-Life 2 on this machine, on Windows, which has the same engine as Team Fortress 2. Now I only have ...
0
votes
0answers
34 views

Swap Partition Causing Lock ups/Freezes

I recently added a swap partition and it functions properly. However, I have noticed that whenever I run programs that use a lot of memory (use most of my ram and 1 gb of my swap), my GUI locks up, my ...
0
votes
0answers
42 views

Does Ubuntu limit svn process memory if ulimit returns unlimited?

I am trying to commit a file using svn it crashes with an Out of memory error. I am running Ubuntu 14.04.1 and have 6G memory, 6G swap partition and 12G swap file. I am able to use svn to commit ...