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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763 views

Why Nautilus consumes way too much memory? [closed]

In the past 4/5 days I noticed something very strange. I am using Ubuntu 13.04 amd64. After some time from the system login I think an hour or two may be, either nautilus or python process uses too ...
2
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1answer
45 views

Ardour will not continue to record.

I just recently bought a laptop. It has 5.2 GB of RAM and 624.2 GB on the hard drive. However, after only a few minutes of playing into my MIDI keyboard I get an error message saying that "This disk ...
2
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1answer
72 views

Where is everything saved when I “try Ubuntu without installing?”

The reason I ask is because I ran out of space each time Steam tried to unpack, and none of my drives or devices are full.
0
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1answer
188 views

How to change default system updates folder in Ubuntu 12.04 LTS?

Hi I am running Ubuntu 12.04 LTS on my Dell Inspiron 15r (dual booting with Windows 8). During installation, I had set aside 6GB for my root folder, 8GB for swap and about 20+ GB (don't remember exact ...
2
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3answers
13k views

How to check for errors in RAM via linux?

I have ubuntu 11 running off a 3.6gb usb flash/stick drive. System has 4gb ram and blank harddisk (wiped using DBAN tool). How do i check if there are no errors in my RAM ? Is there a guaranteed way ...
0
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1answer
206 views

How can I speed up minecraft after i bought more RAM?

i just put Minecraft on my Acer C7 which is running Chrubuntu, and after I had bought an 8GB ram extension, Minecraft is still running with only 5-9 fps. My system shows 9.4 Gigs of ram running but ...
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2answers
337 views

What is the maximum virtual memory available on Ubuntu (32 and 64 bit)

I am working on a huge data set, I want to know how much virtual memory is available for 32 and 64 versions of Ubuntu. Thanks
0
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1answer
174 views

Ubuntu hangs when memory is exceeded by large program

I have been using Ubuntu to run computational simulations of materials. Sometimes calculations overcome total memory available of machine, 64GB RAM, and starts to use swap. When this happen Ubuntu ...
0
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1answer
345 views

How to view the memory map of a running process?

I want to view the stack location of a running process. How can I view the memory map and findout the memory location of the stack using terminal without using any debuggers. PS:- I am studying ...
2
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2answers
628 views

How to add virtual ram on Ubuntu

I was just trying to play some games on Ubuntu with a 2 GB RAM and it does not run very well. Is there any way I could add virtual RAM from a flash drive?
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1answer
501 views

Graphics performance reduced

I've installed Ubuntu recently. I love gaming on PC and I am trying out Ubuntu. But... I've been having a problem. My graphics card performance had been reduced in this OS. I used to run games in ...
9
votes
2answers
5k views

'zeitgeist-fts' always using a lot of memory!

What is zeitgeist-fts?! It's always in the 3 top positions of memory usage (competing with Firefox and Compiz!!) ... After a fresh boot it uses about 30 MB, but after some hours or a day, it goes ...
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0answers
324 views

Ways to reduce memory usage

I'm using xubuntu now and from time to time I come across the problem that memory is out of space. This happens when I open both Chrome and Eclipse, also, even I exited Eclipse, /usr/bin/java is ...
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0answers
47 views

Drivers are not detected on ubuntu 13.04

My memory card reader and bluetooth do not work on ubuntu 13.04. Is there any solution ? lsusb output is this : Bus 005 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of ...
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2answers
400 views

Ubuntu 12.04 32bit System Fails Memory Testing

Results: "FAILED Meminfo total: 3097452 kB DMI total: 4096000 kB Accuracy: 75.00 Memory totals not close enough" I recently had some more RAM installed: I had 1GB. I added 2GB, giving a total of ...
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0answers
151 views

unity-music-daemon uses large amount of memory

When I boot my Ubuntu 13.04 up, I noticed that my fans goes crazy and when I had a glanced at System Monitor, I saw that a process called unity-music-daemon is using a large amount of memory and CPU. ...
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0answers
61 views

How to persistently limit resources of a program

I am running several programs on my computer and under normal circumstances my RAM (2GB) and CPU power is sufficient. However it occurs that a single program suddenly turns the system permanently ...
0
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0answers
584 views

How to Memory-Test Chrubuntu

My computer recently crashed, without apparent provocation, as part of what I think was a graphics bug of some sort. Because I have no reason to believe that there was an obvious proximate cause, the ...
0
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2answers
51 views

which memory upgrade is best?

Running Ubuntu 12.04 64 bit on a machine with ASUS M2N-e board, I sometimes receive buffer lockups when watching YouTube. I have (two) 1 GB sticks of PC2-5300 667 MHz of DDR2 RAM (Kingston) installed. ...
2
votes
1answer
426 views

typed `apt-get update` now showing a long list of EDAC errors. Is there anything wrong?

I typed apt-get update and then I saw a long list of EDAC i7Core: Lost 127 memory errors Please help me understand what has happened. I am using ubuntu server edition 12.04 LTS UPDATE: I ...
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1answer
65 views

How to install Ubuntu as the Default OS in a PC

My problem is that I want to install Ubuntu as the default Operating System but I want to format my computer (here comes the problem) I cannot enter the systems that I had before: Windows 8 Windows ...
0
votes
1answer
139 views

How to detect RAM that was added after Ubuntu installation?

While I installed ubuntu 12.04 (64 bit) on my system, I attached 2gb ram to only one slot. Now, after weeks I've attached another 2gb ram to another slot. Ubuntu does not detect 4gb of memory in ...
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1answer
299 views

gvfsd-gphoto2 memory leak in Ubuntu 13.04

I'm running Ubuntu 13.04 x64 on my laptop and often (maybe once an hour) it gets so slow and laggy that I can barely move the mouse. After checking system monitor, I've found that in these situations ...
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2answers
391 views

RAM doubled from 8 gb to 16 gb, now ubuntu 13.04 is SO SLOW!

I upgraded my RAM amount from 8 GB to 16 GB tonight. After the upgrade Ubuntu takes forever to boot and doing anything on the OS is hideously slow now. You can click on a menu and it will take ...
3
votes
1answer
1k views

What Does Cached Memory Mean when Viewing htop?

While viewing the reports of htop, I would like to know what the orange/brown 'cached memory' bars actually indicate. Really I'm looking for a more practical explanation of what I'm looking at, rather ...
0
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1answer
313 views

Only 3GB of RAM with PAE kernel on 12.04

I've installed 4GB RAM on my Thinkpad X60 running Ubuntu 12.04. Then I've installed PAE-enabled kernel. Now uname -r outputs 3.2.0-50-generic-pae My CPU is capable of PAE: $ grep pae /proc/cpuinfo ...
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1answer
189 views

Tons of Processes Running

I have an Ubuntu 13.04 running on a P4 computer with 1 Gb of RAM (I know, I need to get a new one). I recently have been getting crashes, and a lot of my memory is being used. So I looked in Top and ...
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2answers
56 views

Ubuntu memmory consumption problem [duplicate]

Ubuntu Gnome on my laptop boot up using about 310 MB Ram. When running couples of program, the system takes 700 to 900 MB. Then, I close all programs, Ram usage drops but it keeps at 450 ~ 600 MB Ram. ...
3
votes
2answers
187 views

Combining two laptops to increase memory

I have two laptops with the following specs and I want to connect them to increase memory so that I can increase the performance of the scientific calculations that I need to do at home. HP Pavilion ...
2
votes
1answer
226 views

/var directory and redis

In terms of the filesystem hierarchy standard, the /var directory contains variable files — files whose content is expected to continually change during normal operation of the system— such as logs, ...
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1answer
77 views

get the resident memory of indivdual threads of a process using bash shell

If I want to find the resident memory a process uses, I might use something like "ps aux | grep apache2" or "sudo pmap -d 1130". However, I have one process that has 25 threads, and I would like to ...
7
votes
2answers
2k views

How much ram is being used on my laptop?

I have 3987MB of RAM on my laptop. Task (System) Manager says that I am using 700MB of this RAM, whilst the command "free -m" says I am using nearly 1500MB. Which one is correct and why do they show ...
2
votes
1answer
59 views

Edit Ubuntu Details?

Long story short, I need to make it look like my computer has 2GB of Ram, instead of 4GB. Is there a way I can edit a file or something, to make it change in the System Details?
0
votes
1answer
83 views

Will my server reboot itself if the memory fills up?

I just got a VDS, all said and done with my website, forums and email server set up along with my Teamspeak server. My memory usage is at 60% when it boots and grows to 70% after about 3 hours of ...
0
votes
1answer
297 views

Task Manager Memory Usage Does Not Agree with “top” command Memory Usage

I just installed lubuntu 12.04 and have been monitoring memory usage with the "top" command and the task manager GUI. I'm currently seeing 448 MB of physical RAM used with "top". However, task ...
1
vote
1answer
349 views

HUD is eating my RAM

I'm running 13.04 64bit on a Dell Latitude with 8GB RAM. Recently, the HUD search results are being sorted differently, I suppose that's due to Unity updates. What's worse is that my system is ...
1
vote
1answer
238 views

Trying to undo some commands

I have done the following commands trying to make Ubuntu work faster: echo 100 > /proc/sys/vm/overcommit_ratio echo 2 > /proc/sys/vm/overcommit_memory #/etc/sysctl.conf прописываем: ...
0
votes
1answer
934 views

Comparing Virtual Memory Size with Resident Size

I came across this stackoverflow post: http://stackoverflow.com/questions/10400751/how-do-vmrss-and-resident-set-size-match The answer voted correctly states the following: "So, VSS should be ...
0
votes
1answer
1k views

64bit Ubuntu 13.04 not recognizing additional 4GB RAM

OS Info sysadmin@linux01:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=13.04 DISTRIB_CODENAME=raring DISTRIB_DESCRIPTION="Ubuntu 13.04" sysadmin@linux01:~$ uname -a Linux linux01 ...
1
vote
1answer
323 views

Relation of swappines and zram

I have been interested in zram so I tried to test it. But as I continue to read the guide on what and how to install it, I have realized that it creates a file /dev/zram0 and mounts it as a swap, I ...
2
votes
3answers
746 views

Usable ram is half of total memory

Recently i had added a 2GB DDR3 ram in my acer laptop. As a result my total ram is 4GB (2x2). I was running ubuntu 12.04 32bit(pae kernel). Everything was working fine. Now i have upgraded (new ...
0
votes
2answers
354 views

My computer has originally 1,5 GB of RAM but K-X-L-Ubuntu, Debian ect… give me less than 463 MB

Why is that? When I was running Windows XP on my computer, I had 1,5 GB of RAM. I have two questions: Why is that? Can I get my 1,5 GB of RAM or Ubuntu considers that 1,5 GB on Windows is 500 MB in ...
0
votes
1answer
99 views

How to re-encrypt my swap to activate it again?

A while back I was messing with my swap space, turning it on and off using sudo swapon -a and sudo swapoff -a. Since I generally have enough RAM anyway (6GB) I totally forgot about it. Currently I am ...
0
votes
1answer
133 views

htop showing duplicate applications with very odd bizarre results upwards of 20,30,40 or more, see screen grab

I have attached screen shots of htop and it's bizarre results. Can anyone explain what is happening here? It shows this new copy.com app taking up like 500% of my memory if you count it up.
1
vote
1answer
379 views

Wheres my memory going?

My machine keeps 'freezing' before eventaully logging out with all the programs exiting. This is rather annoying, and I think its because I keep running out of memory. I am not running any custom ...
0
votes
1answer
482 views

can my 2 GB sd card be used as ram like in windows 7? [duplicate]

I'm trying to increase the ram on my old computer with a 2 GB sd card. You can configure Windows to use an SD card like RAM and I'm wondering if Ubuntu has that same ability.
0
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2answers
244 views

(SOLVED) Huge loss of memory from USB boot. Any help? [duplicate]

I have successfully installed Ubuntu 13 on my laptop using an 4Gb USB drive with a bootable .ISO However I went to try and format the USB on my desktop(Windows 7 :( ) and now it only has 700Mb Is ...
0
votes
1answer
113 views

Mem vs cache in system monitor?

In the above menu, what does the difference between Mem and cache? Are they both use memory from my RAM? Which program use cache?
0
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1answer
819 views

How to check what type my video card is and its memory size?

I need to install some programs that require minimal size of video card memory, how do I get the size and possibly what vendor and type of my video card? Output of lspci | grep VGA | cut -d " " -f ...
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2answers
494 views

How Much Ram Does Ubuntu Need To Run

Well i have an old eMac and i wanted to replace the operating system with Ubuntu but I don"t want to break it.