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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Can only access 1.9 gb of RAM on Ubuntu 12.04

So I installed Ubuntu 12.04 (edit: 64-bit) on my PC. My PC had 4 GB of RAM installed, which the BIOS recognizes. It also displays when I type uname -m, so the OS knows it's there. However, according ...
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153 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 ...
2
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0answers
114 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
477 views

Is there a default limit to the amount of memory a process may use?

Running 64-bit Matlab 7.12 on a 64-bit 10.04 Ubuntu Server. When I try run a big problem that should need 46GB of memory (the server has 72GB of Memory and plenty of swap space), the experimental ...
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0answers
700 views

Ubuntu 12.4 on 3.4.45 kernel: Can't access USB memory stick

I installed kernel version 3.4.45 [LTS] on ubuntu 12.4 on a Acer laptop. With this configuration, the USB memory drives can't be accessed, some details are follows. Upon inserting the USB drive dmesg ...
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0answers
116 views

Why do I run out of memory even when nothing is running?

I am currently facing a problem that when I run Uclust, it keeps showing me mymalloc running ot of memory. The thing is that cuurently nothing is running in the system and my memory shows I am ...
2
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0answers
193 views

Ubuntu 12.04 tilts when trying to open large excel file with libreoffice or matlab

I have an xlsx-file of size 27.3MB and when I try to open it either in Libreoffice or Matlab the whole system slows down My processor is AMD Sempron(tm) 140 Processor (should be about 2.7Ghz) Memory ...
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0answers
251 views

Anything sync daemon for Ubuntu?

Is there a utility providing similar functionality to Anything sync daemon for 64bit Ubuntu? Preferably in the repository or with a PPA. In particular, I'd like to stop Firefox from constantly ...
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149 views

Problem with the allocated partition memory

I installed ubuntu 12.04 using wubi on to a 60GB partition. I installed Qt sources, which are a couple of GB in size, but once I start commpiling it started complaining about lack of memory. I ...
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49 views

Why is Ubuntu 14.04 using too much RAM..?

Compiz in earlier versions of Ubuntu took around 60-65 MB of RAM. In Ubuntu 14.04, it is taking around 205-201 MB. And Nautilus took 35 MB of RAM in earlier versions, it is taking a minimum of 65 MB. ...
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24 views

System running very lagish and slow-responding

The system is very slow to respond, and wherever I click, the window appears slowly (almost as if its transparency is reduced). The specification is: -OS: Ubuntu 13.1 32-bit -Memory: 1GB -Processor: ...
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138 views

Why runs evolution-calendar-factory?

Why runs evolution-calendar-factory? Here are some processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch \_ lightdm ...
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33 views

Performance goes to Zero when RAM cache is full

This isn't a straightforward question as I've read that cached RAM will be released when needed. I have the hunch that this is not happening on my system (or something else is skrewed). I have a AMD ...
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0answers
16 views

Virtual memory or swap memory on ubuntu installed by wubi installer

I am using Ubuntu 32 bit which I have installed inside windows 7 with wubi installer. I have noted that my Ubuntu swap memory is only 256MB and my ram is 2GB. I have tried my best to gain swap memory ...
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77 views

ubuntu 12.04 Init process provokes memory leak and CPU intensive usage

I have lately been having some memory and CPU issues with init process. After rebooting, the memory used by it keeps increasing at quite high pace, and after half hour it occupies all the memory RAM ...
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57 views

Out of memory when booting ubuntu or any linux distro from LIVE USB

Scenario: I had ubuntu 13.10 installed. tried to boot with a windows usb windows setup frozen after selecting "Delete" on an empty ntfs partition restarted the laptop with power button Now when i ...
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459 views

php-fpm high memory and cpu usage

My Real Ram and Virtual Memory is of each 1 GB. but php5-fpm uses very high memory approx 885MB. I searched for solutions but there is no effect. I have wordpress site and currently at a time there ...
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166 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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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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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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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 ...
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58 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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554 views

How could I boot my installation of Ubuntu 13.04 in ram?

Just like in the live cd using squashfs of the system. I think that it could boost the general speed of the whole os by putting it on the ram. This wiki is outdated, maybe: ...
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64 views

New Fonts breaking Wine

I'm running Photoshop CS2 in Wine because, well I'm not a fan of the gimp sorry. It's been perfectly stable up until today when I installed a couple of new fonts and now it is running out of memory ...
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188 views

High Cache and slow Fallout 3 (wine) on Ubuntu 64bit 12.10

My Setup: Sony Vaio VGN-FW11E with Radeon HD 3470 (tech spec) 3 GB RAM Ubuntu 12.10 64bit The Problem: After a few minutes of gameplay the game is going down in speed to very slow. After quitting ...
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117 views

Disk cache is sometimes dropped/erased

I have a memory/cpu monitor running, and sometimes see the graph line for “cached memory” drop, for no apparent reason. Earlier today Cache memory was at about 4.8GB but then dropped in two steps ( a ...
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44 views

Linux kernel: page substitution policy

I am supposed to answer for homework which algorithm is implemented in Linux for the virtual memory page substitution and also give some extracts of the code to prove that. After some research I have ...
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0answers
248 views

I/O memory conflicts

I recently bought a Arctic MC101 barebone (http://www.arctic.ac/en/p/living/office-pc/572/mc101-barebone-a10-4600m.html?c=2296) to run XBMC. I've installed Ubuntu 12.04 on this machine and the latest ...
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534 views

BUG: Bad page state in process

Occasionally I get this error message in the kernel logs. From what I've read it could be due to bad RAM but I did a RAM test and it said it was fine. And the process doesn't crash when the error ...
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0answers
9 views

Oneconf eating up memory while in chrome

I know this may be a duplicate, but I am unsure what I can do to improve oneconf performance. When I look at the dependencies in Synaptic, it shows ubuntu desktop, and software center as being ...
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0answers
7 views

Dev box: no swap space to speed up OOM killer

The TLDR: I do bad moves that flood the RAM, I'm curious whether having no swap would spare me the half hour wait for the OOM killer. Before deploying a few machines with a hacky config, I'd like the ...
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53 views

only showing 3.1gb ram and not 8gb

First time posting. I had a win7 machine with 8gb ddr2 ram and wanted to build a ubuntu machine. I installed 64bit from the downloaded cd and all went ok. On my bios pages it shows 8gb yet under ...
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87 views

Ubuntu high memory usage

I am using Ubuntu 12.10 . When booting the RAM that is used is about 1-5 GiB. However,after a while when I use chrome and Skype the RAM used is about 4 GiB.(My pc has only 4 GiB RAM). I am not sure ...
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0answers
13 views

Ubuntu NAS, cache files to ram for enhanced transfers?

I have a little dual core celeron computer that I will be using as a NAS. I have 8 GB of ram, and I was wondering if there was anyway to leverage that ram to increase file transfer speeds, especially ...
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0answers
91 views

Ubuntu 12.04 Sever is running slow and not using full ram

I have a ubuntu VM of 12.04 server virsion and it is running on centos. VM have 8GB of RAM and 1 core processor for it. I amd running following application on it hadoop 1.0.4 hbase-0.94.12 ...
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24 views

System Load Indicator show different ram usage

I have installed System Load Indicator on my pc. First, it shows different RAM usage than internal ubuntu System monitor. I mean while Syetem monitor is showing 750MB of RAM usage, System Load ...
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28 views

mdadm large memory consumption

I'm building mdadm RAID 6 (8 WD Red 3 Tb) on Ubuntu 13.10 x64 server with ext4 file system. When I download torrent on the array, server RAM is filled for maximum cap (8 GB). Memory becomes free when ...
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62 views

4GB out of 8GB total reserved 64bit 12.04 why

Can anyone explain why 50% of my ram is being reserved and for what? I do have two radeon 7990 cards but surely the ram is not reserved for them? root@stan-desktop:/home/stan# cat /etc/issue Ubuntu ...
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35 views

Ram speeds with dmidecode command

I wanted to see my RAM capabilities so i runned dmidecode. The output: Memory Device Array Handle: 0x0028 Error Information Handle: 0x002B Total Width: 64 bits Data Width: 64 bits Size: 4096 MB Form ...
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27 views

Swap file not being utilized. Program Killed due to memory

I have set up a swap partition on 12.04, as per the below. #swapon -s Filename Type Size Used Priority /swapfile file 1048572 0 -1 ...
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0answers
25 views

More disk read/write after decreasing swapiness

I know this may sound absurd but my laptop has Xubuntu Saucy with 4GB RAM. I decreased swapiness from 60 to 7 but now applications take more time to launch and I see disk i/o before the application ...
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0answers
46 views

Forcing MySQL to use more RAM (for efficiency)

My company has just bought a new cloud based server that is considered to be "high performance". One of the things the server has is a fair bit of memory, 15GB. Is it possible to give more RAM to ...
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60 views

I copied all the data from my old 500gb Hard Drive to my new 1tb one but the computer still shows that I only have 500gb. Help!

So I copied everything from my old 500gb hard drive onto my new 1tb (1000gb) hard drive but my computer shows that I still only have 500gb memory. This is probably because I copied that information ...
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0answers
56 views

Having problem with RAM

First of all please excuse my English. Before Im using Ubuntu 12.04 32-bit, I'd used Windows 7 and also using VirtualBox to run Linux. With VirtualBox, I spent 1 GB of RAM and forgot to claimed back ...
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0answers
22 views

Changes not reflecting back to the browser. Editing files remotely through FTP. Ubuntu Server.

I am developing and editing files through FTP. The changes are not reflecting back on the browser. I have cleared cache on the browser using key combination but still the changes are not reflected. I ...
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0answers
25 views

Switching back to or allocating the memory back to Windows 7

I have a Windows 7 laptop, Toshiba Satellite, and about a month ago I installed Ubuntu 13.04, but rather than completely switching I just used up about half of my hard drive for both, so I had about ...
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0answers
23 views

Ubuntu 13.04 eating up a lot of memory on startup

I have 3 GB memory, and Ubuntu 13.04 installed on my laptop. When I startup up my laptop, with just the system monitor running, more than 63% of the memory has already been occupied. What is going ...
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0answers
56 views

Increase allowed memory for Ubuntu

I've installed Ubuntu using the Windows Installer, and lately I notice the computer runs pretty slow while I'm using Ubuntu, and I guess the reason for this is the amount of memory allowed for Ubuntu. ...
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0answers
22 views

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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194 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 ...