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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How to increase permgen space of java in Ubuntu 13.04

How to increase permgen space of java in Ubuntu 13.04? I am using java Sun/Oracle JDK 6
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1answer
118 views

32 or 64 bit on 4GB ram acer netbook

I have a netbook with 4Gb RAM Should I choose 32 or 64 bit? What is the speed difference? How is the compatibility with 32bit applications?
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0answers
197 views

Reduce memory consumption of 13.04

I'm running 13.04 on a Thinkpad T61p with 2gb RAM. In 13.04, and to a lesser extent in 12.04, I've started running out of my 2G of RAM with little more than a browser open. Clearly chromium is an ...
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1answer
28 views

difference in top command and gnome-system-terminal applet [duplicate]

I am running xubuntu 12.04, and i find that TOP command reports 900MB RAM usage where as gnome-system-terminal applet graphically shows only 300MB RAM usage. Why the values are differently ...
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2answers
1k views

Ubuntu 13.10 freezes at times; *ERROR* stuck on render ring

My ubuntu 13.10 laptop freezes relatively frequently, after I recently installed it. It is most common while I am playing Minecraft, but I have also had it happen at other times. I think it may be a ...
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0answers
75 views

Ardour Memory Limit Warning

I get this warning from Ardour. I'm running on 64-bit Ubuntu 13.10, envy 14. 8gb of ram (That I know my motherboard can take because it works on windows). "WARNING: Your system has a limit for ...
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1answer
43 views

Installed Ubuntu with faulty RAM: do I need to reinstall?

I recently installed Ubuntu 12.04 on my Sony Viao vpceb3e1e. Everything works fine till I reach a certain amount of memory, then all the apps crash. I found out it was due to faulty RAM. I used ...
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2answers
168 views

will a 6GB of RAM will be fine and efficiant to run in 32-bit Ubuntu?

I am using Ubuntu 13.10 in a Intel Dual Core 3 GHz processor with 2 GB of RAM and I would like to buy a 4 GB of RAM extra and what best I can use it more efficiently and how I am supposed to achieve ...
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1answer
228 views

How to mount ramdrive in 13.10 for fast drive space

trying to mount ramdrive in 13.10 for fast drive space tmpfs /media/ramdisk tmpfs defaults,noatime,mode=1777,nosuid,size=1600M 0 0 will not mount properly drive icon shows but will not open drive
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2answers
253 views

How to disable caching in Ubuntu? Does Ubuntu consume more RAM? [closed]

I just viewed Hacker News. There is something mentioned like "Linux ate my RAM". How much is it true that linux consumes more RAM. It will be helpful if someone can provide guide to remove cache of ...
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1answer
39 views

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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0answers
104 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
171 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
284 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
184 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
546 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
50 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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0answers
82 views

about strange cache usage on ubuntu13.10

Ok, i have just installed ubuntu 13.10, and likes its cool, however, it also make me surprised that when I download files from Internet by using the scp or wget or firefox download, the cache usage ...
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1answer
80 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
65 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
64 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
51 views

Hugetlbfs configuration to use exactly a certain value of RAM memory

For some reason I need to use the max. capacity of one server of 31GB RAM on 64 architecture. The question is how to get to know the exact value configuration of the hugepages numbers? The actual ...
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0answers
98 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
69 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
120 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
110 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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0answers
600 views

Ubuntu x64 server java gives “Could not reserve enough space for object heap”

I have an Ubuntu server without X. I installed java with the following command: apt-get install default-jre-headless Here's some more info from my server: root# df Filesystem 1K-blocks ...
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2answers
90 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
1k 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
951 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
309 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 ...
2
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0answers
156 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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0answers
135 views

System crashes and reboots randomly while browsing

Please, help me finding out what's happening! I'm totally clueless. I can't seem to find the cause of the reboots in dmesg or any other log. Basically, my system reboots randomly while browsing, ...
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2answers
138 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
176 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
99 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.
1
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0answers
476 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
42 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
votes
1answer
63 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
142 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
6k 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
160 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 ...
0
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2answers
297 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
123 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
votes
1answer
285 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
votes
2answers
407 views

How to add virtual ram on Ubuntu

I was just trying to play some games on ubuntu with a 2gb ram and it does not run very well. is there any way i could add virtual ram from a flash drive?
0
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1answer
340 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 ...
6
votes
2answers
3k 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 ...
0
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0answers
310 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
44 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 ...