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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350 views

How to automatically restart an application for using too much RAM or CPU

I'm going to be running an Ubuntu 14.04 LTS server that will have a few Garry's Mod (Half-life 2/Source based) servers running on it. I don't want any one of those servers getting out of line by ...
0
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2answers
31 views

How much RAM Does Ubuntu use? [duplicate]

I have a Yoga 2 11( model 20428) and Win8.1 takes about 2 of my 4gb of RAM to run. How much RAM will Ubuntu use to run. This is a secondary laptop, for movie watching, school work, websurfing and ...
0
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0answers
10 views

GPU, Dota 2 or RAM problem?

I knew that i used bleachbit to free my memory.I ticked it accidentally and did it.After i did that, the computer seems to slow down.A few days later i felt that it became slower, so i did a new fresh ...
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0answers
23 views

Live CD and install for 14.04 LTS fails with 256GB of RAM [on hold]

Memcheck86 sees the full 256G of RAM, but the live CD fails to load unless we set mem=128G, which appears to work fine. We tried updating GRUB to remove that limit, or increase the value for mem, ...
0
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2answers
29 views

Why can't my laptop use more than 85% of my RAM?

I have 1GB RAM in my notebook (HP Compaq 6735s), but the video card is using 256MB, so I'm left with 768MB RAM. However, whenever my system starts using more than 85% of memory, it becomes unusable. ...
0
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0answers
13 views

Mount disk with write permissions but leave it untouched

I have a raw image that I would like to mount to my system (Ubuntu 12). The problem is that I don't want to write anything to the disk itself, so the raw image will stay as it was before mounted. I ...
0
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0answers
21 views

How to see all free virtual memory ranges? [closed]

How can I see all the free or used virtual memory ranges? The way I found is to use top command to find pid, and then to use pid in pmap command. But pmap seemingly shows all the used allocated memory ...
0
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0answers
7 views

What does it mean for /proc/kpagecount to be zero

for some entries in /proc/kpagecount, all the 64 bit entry is zeros and yet the page is allocated (confirmed from /proc/kpageflags). What does it mean for kpagecount to be zero for certain physical ...
1
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1answer
101 views

How can I reduce ram usage? And also how can I speed up Ubuntu 14.10?

I just upgraded to Ubuntu 14.10 from 14.04 to find the amount of ram usage has almost doubled well my CPU usage and almost been reduced. When doing little on my computer my ram usage stays at about ...
0
votes
1answer
30 views

50% of RAM occupied at the beginning

I am using Ubuntu 14.04.1 LTS on a DELL INSPIRON N5050. My problem is that I have 6 GB RAM and from the start of the OS almost 50% of my RAM is occupied. I have to mention that I do not have an ...
0
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0answers
12 views

Ubuntu server 14.04 LTS specific information?

Im new and lost here. Where can I find all ubuntu server general features? like: Processor and Memory Support (Physical memory etc.), network/storage/manageability features? Im trying to find this in ...
1
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1answer
52 views

Ubuntu 14.04 detects 4 out of 8GB of ram

I've been dual-booting my laptop for about six months now, on one side Ubuntu 14.04 and on the other Windows 7. When I bought this computer two and a half years ago, it had 8gb of ram. My Windows ...
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0answers
26 views

Why does ubuntu-desktop depend on memtest86+?

I am running 64bit Ubuntu 14.04 LTS. I would like to remove memtest but it depends on Ubuntu-desktop. Why ? Thanks. Simon
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0answers
17 views

Memory issue. How to identify the root cause using free

I am running two application on my system. When I run two applications in parallel, Memory gets consumed within a few minutes.. [Data below is not actual.. Just for explanation] Initial state.. ...
0
votes
1answer
35 views

Do I need to upgrade only the RAM for making Ubuntu's virtual machine quick and smooth as OS X at the same time?

I own a Mac mini Mid 2011. My Mac mini's details: 8GB RAM DDR3 1333 Intel Core i5 2,3 GHz Intel HD Graphics 3000 512 MB I have Ubuntu 14.10 and OS X 10.10 partitions with modified rEFInd, but it's ...
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0answers
14 views

Store realtime system snapshot for boot

Is it possible to do a kind of hibernate but without turn computer off? Create snapshots every 10 minutes (for example) so if it suddenly turn off last state can be restored.
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0answers
40 views

Ubuntu 14.04 freezing completely on new netbook

I have some strange problem not letting me ask this question on my laptop, so apologies if I am asking something that has already been asked by someone. I bought laptop with enough capabilities to ...
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2answers
34 views

Understand free command with top command

I have a doubt. I start ubuntu and run free command. I will get the total free space available. Let say it as 100MB. Now I run a few applications. So after some time, I again run the free command. ...
0
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2answers
72 views

How to increase JAVA Heap Size?

I need to increase the default java heap size to get OpenNMS Linkd service running smoothly, and fortunately I have 4/5 of my total installed memory free at any given time even when their is maximum ...
1
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2answers
64 views

Can you use your PC with a dead RAM stick?

Just tested my ram with memtest86. Got about 24K errors but I don't have money to buy new RAM!!! I'm just 13 years old. Do you still use your PC if your RAM is dead? And how do I repair this RAM ...
3
votes
0answers
47 views

chromium build fails due to `out of memory` allocation

i am trying to build chromium content_shell. But it fails at the last linking stage because of out of memory. Error Log: [1/1] LINK content_shell ... /usr/bin/ld: out of memory allocating ...
0
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0answers
49 views

Total RAM discrepancy: who's right?

I started with two 1gb sticks of top quality fast (at the time) DDR2 RAM, rated to at least 800mhz, possible 1000. I've since added two 2gb sticks, making 6gb total. System Profiles (aka cat ...
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2answers
67 views

No 100% Memory Usage

I've 4 GiB RAM, and System Monitor shows 3.8 GiB. I think 200 MiB is for GPU. But I've never seen Memory usage more than 3.0 GiB. If memory usage is close to 3 GiB, it uses Swap, and when it reaches ...
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2answers
14 views

Restricting resources of user applications

Sometimes, either because of a memory leak or the computationally-intensive nature of a program, applications can start to slow down and ultimately freeze the whole system by claiming too much RAM or ...
0
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0answers
32 views

cached memory wont clearing up

For some reason my desktop pc which is running Ubuntu 14.04 don't want to clear the cached memory up. I find this strange because my laptop is clearing cached memory up as soon as possible. I'm ...
1
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1answer
39 views

some ubuntu steam games use more RAM than windows version

Why some steam games (as XCOM Enemy Unknown) need more RAM memory on Linux than on Windows? Minimum requirements for Windows are: Windows Vista / 2GB RAM and for Linux are: Ubuntu 14.04 (64 bit) and ...
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2answers
67 views

Does Zombie process cause memory shortage? Does it killed by init process eventually?

I have zombie process problem and it's a first time I've met it. So I don't know how to solve this problem and concept. I read some article posed 1 year ago (link) and It said like below: There is ...
0
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0answers
54 views

Amount of memory changed?

I've noticed that the amount of memory in Ubuntu 14.04 has changed, when I view the output of free I notice that it says 16304096. I find this weird because it was 16304120. After I booted in a older ...
0
votes
1answer
23 views

Will RAM manage the peripherals or they will have separate memory?

In a LINUX system the Virtual Address Space is 4GB here as the Physical Memory depends on the RAM which we are using. For example I have a system of 1GB RAM and my Monitor requires 256MB in-order to ...
0
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0answers
133 views

Invalid memory info showed by lshw and dmidecode (DDR2/DDR3)

I'll be grateful I someone would tell me why my Ubuntu (14.04) shows invalid memory information? I have installed DDR3 memory (and also my BIOS reports it as DDR3), but commands shows info about DDR2. ...
0
votes
1answer
57 views

ubuntu 14.04 is slow @ 12gb Ram

Recently I was upgrade my ubuntu to 14.04 ,after that for any event(copying a file or running any application)it is only consuming 3gb of memory only . it is not able to use my entire Ram .Due to ...
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0answers
52 views

Does VM require Swap? su: fork: Cannot allocate memory

We have Mysql Server in AWS environment in Ubuntu 14.04. Recently our server lost new connectivity like ssh, or scp any connections due to cannot allocate memory. And my existing connectivity to ...
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0answers
29 views

How can I have tcpdump write to a memory buffer rather than file?

This script I wrote to suspend my media server when not in use. I know there are probably more efficient ways to write this, but I am a beginner. This is really my first script I've ever written. I ...
2
votes
2answers
82 views

32 or 64 bit, which one is suitable for 3GB RAM but legacy specs? [closed]

Well, today when I headed to download page, there were 3 options for me as follows: 64 Bit 32 Bit (for machines with less than 2 GB RAM) 64 Bit Mac (AMD64) I know that you need a good system to ...
0
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0answers
84 views

Ubuntu 14.04 detects 4 out of 8 GB of ram in dual channel mode

I have 2 x 4 GB sticks of RAM. My motherboard (Gigabyte GA-970A-DS3P) supports up to 4 sticks and 32 GB of memory in dual channel mode. However if I install my memory into the slots recommended in the ...
2
votes
1answer
53 views

Memory size reported by /proc/meminfo is less than my physical RAM

My laptop is having a total of 4GB RAM, but when I type /proc/meminfo it is showing only 2.5GB in Ubuntu 14.04. Why it is showing less memory than the actual?
2
votes
1answer
58 views

How to find out which programs are taking up alot of memory?

I've been getting messages that I have exceeded my quota limits. I am new to Linux and am not sure what to do. With windows, I could easily just go to Control panel, add/remove programs, and uninstall ...
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votes
1answer
40 views

WIll ubuntu use my full ram in dual boot [duplicate]

When I run ubuntu in dual boot will I still be able to use my full 4 gb ram If i am not running Win 7 at the same time?
2
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0answers
32 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
1
vote
1answer
26 views

Cannot install g++ 4.8 on OpenVZ

I have everything set, but doing apt-get install g++4.8 gives me the following java (!?!?!?) related error. Setting up ca-certificates-java (20110426ubuntu0.10.04.2) ... Error occurred during ...
0
votes
1answer
39 views

How to utilize full ram memory

Im using Intel® Xeon(R) CPU E5-2680 0 @ 2.70GHz × 18 processor $ free -m total used free shared buffers cached Mem: 128899 15893 113006 24 ...
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0answers
69 views

enabling swapping cripples system

I am having a strange issue. Essentially, when swapping is enabled (on a swap partition), the system becomes unusably slow even at times when no swapping is in fact occurring. For example, when ...
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votes
1answer
46 views

Is it worth it to upgrade my ram? [closed]

I currently have a 1.9ghz amd processor and 4gb of ram. I'm wondering if it would actually make ubuntu ui faster if I upgraded to 8gb or is it not worth the bother with my current processor?
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votes
0answers
22 views

Difference between System monitor and free -h [duplicate]

I have a Lenovo T430 laptop with 3.7GB of RAM. Since I started using this machine I observe the following strange behavior. If I do a lot of things, say have rails server running, a few nodejs ...
0
votes
1answer
54 views

Ubuntu Linux 14.04 LTS Server Edition information need

I was wondering what's the maximum RAM, and maximum CPUs does the Ubuntu Linux 14.04 LTS Server Edition can handle. I found a server computer I want to buy, which is a SuperServer 4048B-TRFT. I don't ...
0
votes
1answer
55 views

RAM vs UBUNTU probem [duplicate]

I have a problem with Ubuntu's memory management. I am running 32-bit Ubuntu 13.10. My system is only running Chromium. However, when I run free -m, it returns: total used ...
0
votes
0answers
23 views

RAM allocation on PC

I am planning to buy a Windows Laptop with 8GB RAM running Win7 64bit OS. Need your help to understand before I buy this. QST: My requirement is Ubuntu should run on 8GB RAM. If I install Ubuntu, can ...
0
votes
1answer
82 views

I only have 1GB of ram, what can I do to improve the performance on my 32-bit 14.04 system? [duplicate]

I'm running a fresh install of Ubuntu on an old iMac. It was going painfully slow on OSX so I wiped that and installed Ubuntu overtop of it hoping it would speed things up a bit. I'm not going to be ...
0
votes
0answers
18 views

ubuntu 14 on vps processes keeps getting killed

I've just bought a vps from ipxcore. When i try to run bitcoind it gets killed after about 10s. dmesg retruns nothing at all, also strange! Any idea what might be wrong? Checked memory usage with ...
0
votes
1answer
137 views

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 ...