Tagged Questions

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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1answer
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ubuntu 12.04 2D hibernatization

I'm pretty noob in linux OS. I chose ubuntu to start with, because is most user friendly. But i can't make him go to hibernate. I have 2 gb RAM and 4 gb SWAP, i follow the instructions to enable ...
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120 views

ubuntu 13.04 unexpected shut down problem

I am using ubuntu 13.04 since quite a lot time and from the past few months I am getting a weird problem which is it gets shutdown unexpectedly. What i have observed is whenever I am playing some ...
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0answers
219 views

init has huge memory allocation after time - ubuntu 13.10

init process is taking huge amounts of memory. It starts normally with about 2 MB and if I kept the laptop running for half a day, it would reach 1.5 GB!! Which slowly kills the performance, and ...
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1answer
677 views

Make my Ubuntu, use more swap than RAM

So, I have 786 MB RAM with 1.6 GB Swap. I want to increase the usage of swap. In other words, i want my Ubuntu to use more Swap than My RAM. Please Tell me, how to do it
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2answers
266 views

optimizing Ubuntu dualbooting from pendrive (running from RAM and virtual swaps)

What I want: I want to install Ubuntu on a USB pen drive completely independent of the Windows partition schemes, but i want it to run fast. Ie: When pdrive is not inserted, boot windows and nobody ...
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1answer
2k views

Memory Usage statistics different in free and htop

When I run free -m on my command-line, it shows my used memory as show below. When I run htop the used memory shown is very low. Why is that? Is it some other kind of representation? I am new to ...
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1answer
56 views

Give a programm an unconstrained amount of RAM

I am running a Linux application, not WINE. How can I find out if it has any memory constraints, if any at all? If it does have memory constraints how can I increase it? I have 12GB of system RAM. ...
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1answer
132 views

Heavy applications lag Xubuntu

Ever since i started using Xubuntu I have noticed that whenever I run any heavy application like Eclipse, Tomcat Server or even when I open sites like facebook in multiple tabs in the Web Browser my ...
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1answer
74 views

How I can auto end specific process?

How can I auto end a specific process when it reaches 400 MB RAM? And how do I change it back after I do that ? Is there any program or script or anything ?!
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1answer
90 views

What option do I have if I get a kernel panic due to error in memory?

I stumbled upon a kernel panic error trying to kill init. I checked using Memtest and found errors in my memory i.e. Ram. Now I don't want to lose my data. What should I do now? Thanks. PS. Im not ...
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0answers
128 views

Kernel netfiler module not working as expected

I am developing a kernel module for source port translation using netfilter hooks. The code was tested on Mint 3.8.0-31 and Debian 3.7.2-0 both on same Asus machine. And works exactly as expected. ...
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2answers
74 views

How can I resize my ubuntu partition if ubuntu is the only system I can get into? [duplicate]

I am using gparted to resize my partition. I would like to free up all of my memory and allocate this to ubuntu, but I can't mess with ubuntu's partition while it is in use. I can, for some reason, no ...
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1answer
138 views

What are the specs needed to run Ubuntu 13.04? [duplicate]

I am thinking of putting Ubuntu 13.04 onto some machines. They are three years old and I can't find anywhere some hardware specs that these machines should meet. Please let me know! Thanks in ...
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0answers
149 views

Ubuntu crashes with high memory use without swapping

I'm running some memory intensive calculations on Ubuntu 13.04. I have 8 GB of RAM, and a swap partition with the same amount of memory. The hard disk and swap partition are encrypted. › free -m ...
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2answers
91 views

Problems with the memory in a booted USB

I have got a USB bootable for Ubuntu. I installed this operating system on the USB. It actually works very well. The problem is that when I save a file in the Home Folder, for example, when I restart ...
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1answer
3k views

How to Use Hard Disk As RAM Like In WIndows?

There is an easy way to use Hard Disk as RAM in Windows machines. Is there a way to use Hard Disk as RAM in Ubuntu ?
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4answers
2k 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 ...
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1answer
355 views

Chromebook Crouton RAM limit

My question: can Ubuntu (Unity), ran through Crouton on Chrome OS, utilize more than 3GB of ram? Is there any way to allocate resources to Ubuntu? Can Chrome OS utilize more than 3GB? I would like to ...
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0answers
196 views

Can I have a Ubuntu 12.04 live usb work with both the -persistance and -toram additional boot options?

I really like using the Ubuntu 12.04 live CD/USB's "-toram" additional boot option for my laptop because "-toram" adds a few extra hours to the battery and makes things a little faster. I add the ...
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2answers
190 views

Is ubuntu swap enabled

I have installed ubuntu in my computer, later, I format a partition as linux swap and want to replace it with existing tmp directory under mount point /. I followed procedure given in this link: ...
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0answers
234 views

Automatically kill Chrome processes that exceed RAM limits

I've sought advice from similar threads here, and I'm either not reading them correctly, or my brain is currently fried. My Prior Reading: Automatically kill a process if it exceeds a given amount ...
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1answer
114 views

Does Swap Space Use Real RAM To Keep It On?

I would like to know if having swap space, uses RAM/Memory to keep the swap space 'active', even though the swap space is virtual RAM.
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0answers
913 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 ...
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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 ...
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1answer
75 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.
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1answer
206 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 ...
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3answers
17k 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 ...
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1answer
223 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
362 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
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1answer
222 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
389 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
735 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
543 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 ...
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2answers
6k 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
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
460 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
164 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 ...
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2answers
53 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. ...
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1answer
491 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 ...
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1answer
142 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
334 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
411 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 ...
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1answer
2k 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 ...
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1answer
338 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
233 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
58 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. ...
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2answers
200 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
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1answer
292 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, ...