2
votes
2answers
300 views

What is memcached? Is it good for gaming or virtual machines?

This is a performance question: My machine always runs Ubuntu as the main, and as I login, it always starts up a Windows VM and firefox? If I install memcached, will it improve my performance? I ...
0
votes
0answers
32 views

Loading/Running Customized Ubuntu Desktop 12.04 LTS i386 in RAM [closed]

I have customized my Ubuntu Desktop 12.04 LTS i386 with Ubuntu Builder and made all necessary changes and got the ISO to be reduced by 200MB. The customized version is doing good on all the PCs, ...
1
vote
1answer
81 views

Is there a maximum swap partition size for 12.04, 64 bit

I am running 64 bit ubuntu 12.04 on HP Envy Spectre ultrabook, with 4GB of RAM. I have been running into problems with python code which uses RAM very inefficiently, see e.g. here, causing my code to ...
0
votes
2answers
66 views

How to use my 6GB of free ram to optimize ubuntu12.04?

I also want to load faster on boot. If possible, can I shift all temp file hard disk operation to RAM?
0
votes
0answers
60 views

The amount of memory consumed by my Ubuntu 12.04 system is always constant at 25% [closed]

Even when the system freezes (sometimes when only a browser + text editor are running) the RAM usage doesn't increase. I don't understand what is causing this and the system is freezing a lot these ...
0
votes
0answers
43 views

Setting Max Connections in MySQL server Globally [duplicate]

I installed my UBUNTU 12.04.4 LTS X64 yesterday and didn't installed anything except mysql-server and mysql-client. But htop showing 20 mysqld identical processes. *--Process----- MEM%---VIRT --- ...
0
votes
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 ...
1
vote
0answers
79 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 ...
0
votes
0answers
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 ...
1
vote
1answer
39 views

Unable to check the RAM usage per user

I was recently wanting to check the RAM usage per connected user on my server but could not find a way out. Please suggest some way.
0
votes
1answer
43 views

When extracting an ISO, it warns of low disk space, but I have 15 gigs at least. No idea what to do

I'm using Ubuntu 12.04. I tried bleachbit, tweak, and all sorts of things. I removed old kernels, orphan files, cleared cache, just almost everything you can think of. I deleted programs, and games I ...
2
votes
1answer
118 views

Ubuntu 12.04.3 LTS x64 only shows 2GB memory

Ubuntu only shows 2GB of my 6GB memory, BIOS and lshw reports it as having 6GB. But free -m and top only sees 2GB. Appreciate your help. lshw output *-memory description: System Memory ...
0
votes
1answer
66 views

Is there a compressed memory available for 12.04? (Not compressed swap)

I have an old machine (Pentium 4, heh) computer, with 1GB of memory. Memory is the current bottleneck (especially with Unity.) System: 12.04.2 (with legacy X stack.) Sidenote: Will add a GPU as ...
1
vote
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 ...
2
votes
0answers
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
votes
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
votes
1answer
123 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 ...
0
votes
1answer
237 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 ...
0
votes
1answer
88 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
0answers
49 views

Higher CPU consumption after replacing RAM with 2 RAMs

I replaced my 2GB RAM (PC3-10800) with 2 2GB RAMs (PC3-8500) and my CPU consumption is higher, pc is often slower and laggy. I experienced this problem on Ubuntu 12.04 and Ubuntu 13.04 (32-bit). ...
0
votes
0answers
331 views

Drawing problem? Shared memory error? shmget failed error 28 followed by BadDrawable

Problem: Improper Drawing in Some Windows OS: Ubuntu 12.04 (Mythbuntu) Motherboard: ASUS M5A88-V Evo with integrated Radeon HD4250 graphics card. $ lspci -nn | grep VGA 01:05.0 VGA compatible ...
0
votes
2answers
529 views

How do I change how much disk space Ubuntu has?

I installed ChruBuntu on my Chomebook Acer C7 about 2 weeks ago and I chose to allocate 10 gigs. I didn't know that that would be my amount of disk space I would be allowed to use. I want to install ...
2
votes
1answer
747 views

Only 4GB RAM out of 8 shown in Ubuntu 12.04 LTS 64 bit and in BIOS

I have seen similar questions and answers but mine is: a. I have 8GB RAM installed b. My BIOS shows 4GB c. Ubuntu's System Setting/Details shows 3.7GB (but this small decrease is not a great issue ...
0
votes
0answers
376 views

Low Disk Warnings on Ubuntu 12.04

After I upgraded LibreOffice to include Base, I now get warnings about "low disk space". I am using Ubuntu on a 16GB USB. For example, when I tried to use my Audacity it couldn't save due to memory ...
1
vote
1answer
128 views

Inexplicable Slowness [duplicate]

I've been running Ubuntu for about 4 years now, and I'm having a problem with 12.04 Every once in a while the computer will slow almost to a stop, interrupting any playing audio/video, and ...
0
votes
1answer
918 views

/can you install ubuntu to hdd but it runs completely from ram while hdd is not spinning?

my main purpose is to be able to install ubuntu to the hard disc so that my settings and everything are saved but i want it to load itself to my ram for faster operation and better battery life while ...
0
votes
2answers
451 views

Reccomended upgrade for Ram Ubuntu 12.04

I am running Ubuntu 12.04 32 bit on my laptop (Toshiba Sattelite L-450), the spec is as follows Memory: 2.8gb Intel® Celeron(R) CPU 900 @ 2.20GHz Graphics Mobile Intel® GM45 Express Chipset ...
1
vote
1answer
77 views

The limits is restored to the defaults after I reboot

I want to remove "memorylocked" and "maxproc" limits. I am using tcsh shell. I read that if I use "#limit memorylocked unlimited" and "#limit maxproc unlimited" then they will be set to unlimited. I ...
1
vote
0answers
13 views

System Monitor disagrees with 'free -m' [duplicate]

Possible Duplicate: System monitor (panel) shows the wrong amount of used ram When I start up my computer, free -m says I have about 1800MB allocated and 150MB free. In System Monitor, it ...
3
votes
2answers
189 views

Not recognising 4GB of RAM

I have a pae kernel but free -m only shows 3.2 Gigs of the 4 GB that is physically installed. The BIOS shows 4 GB available. uname -a gives: 3.2.0-35-generic-pae #55-Ubuntu SMP Wed Dec 5 18:04:39 UTC ...
0
votes
1answer
294 views

Ubuntu 12.04.1 (64bit) only recognizes 7.8gb of RAM from 8gb RAM

I know that is a little diference between 7.8gb to 8gb, but still a diference, why Ubuntu dont recognizes all of my RAM? I had the same case with my 32 bit Pc, 3gb RAM and Ubuntu only recognized ...
0
votes
0answers
795 views

Memory usage abnormal in Ubuntu 12.04 server

I have a fresh installed Ubuntu 12.04 server, we don't used it yet, it has 2GB memory and I install Apache + MySQL. The problem is when the server rebooted memory usage is lower than 320MB but when ...
0
votes
1answer
1k views

Average memory usage after complete ubuntu 12.04 start up

When it starts up completely, I cas see that about 400-500MB of my 2GB Ram is being used. Right now that I have only started Firefox (and System monitor), I can see that about 1GB of ram is full with ...
-1
votes
1answer
138 views

10GB installed but only 7.8 is shown

I installed 10GB but my 12.04 LTS 64-bit shows only 10GB. But the swap shows 10GB so I think internally it did find 10GB? I don't remember exactly how Ubunt calculate how much swap needs by default, ...
0
votes
1answer
332 views

Ubuntu 12.04 Not booting from USB

I recently made my USB bootable with Universal USB installer and changed the boot priority settings in bios..but when i restarts my pc my old xp loads. What can I do to boot the USB stick? My Pc ...
1
vote
2answers
3k views

Why is my /dev/loop0 showing full?

I have sufficent memory , but somehow I get my /dev/loop0 showing usage of 9 GB here's my df-h. Filesystem Size Used Avail Use% Mounted on /dev/loop0 12G 10G 1.4G 88% / udev ...
0
votes
2answers
538 views

All Memory Not showing up with Ubuntu-64 bit

I am only showing 5.8GB out of 9GB: harrison@harrison-Aurora:~/Desktop$ lshw -C memory WARNING: you should run this program as super-user. *-memory description: System memory ...
4
votes
1answer
3k views

How to give more RAM to wine Applications

Hi I think my system is not allocating enough RAM to WINE applications . I am using WINE to play games but they are loading slowly and RAM usage is normal. So how can I improve reserve memory of WINE? ...
0
votes
0answers
310 views

High memory usage from mysqld

I'm running Ubuntu server 12.04 on a computer at home, granted it's a netbook so there's not a lot of performance to squeeze out of it, but I'm still wondering about the memory usage I'm seeing from ...
0
votes
0answers
689 views

PAE on Ubuntu 12.04

I am having trouble using PAE on Ubuntu 12.04 LTS 32bit. I recently upgraded from 4 to 8gb of RAM but PAE doesn't appear to have picked this up. When I run grep --color=always -i PAE /proc/cpuinfo I ...
2
votes
2answers
4k views

Ubuntu swappiness

I have a laptop with 4 GB RAM and i3 processor. It runs very fast when I use windows, but it keeps slowing down on my Ubuntu when I use it continuously. I noticed that 500mb+ swap is getting used even ...
1
vote
1answer
532 views

Normal RAM usage for Ubuntu 12.04 + Unity?

My system is Ubuntu 12.04 64 bit + Unity and it uses ~480Mb with no other processes-apps open, just the core system. Is this the expected amount? It seems a bit steep to me but perhaps this is normal ...
0
votes
1answer
170 views

RAM on an Ubuntu Mac Mini?

I have a 2011 Mac Mini with 4GB RAM, I'm planning on wiping it and installing Ubuntu. But since I'm gonna be running a gaming server on it, (MineCraft), I wanted to know how much RAM the computer can ...
1
vote
1answer
2k views

Best Ubuntu version for Virtualbox host

What is the best version to use as a Virtualbox host OS? Is it 12.04, or 9.04? I get the notion that an older system runs faster. Is this true? I especially have to consider the amount of RAM ...
3
votes
1answer
1k views

Compiz Memory leak [closed]

After sluggish performance and freezing for two weeks I finally managed to nail down the culprit to Compiz, I found out it's vital to Unity and is basically an OpenGL wrapper for Ubuntu and Xorg. How ...
1
vote
1answer
413 views

Why is the total RAM for my HP dm1 less than the actual it should be?

First time poster, so I apologize right off the bat if I'm doing something wrong (following Murphy's Law, I probably am). Anyway, I was wondering why the 2GB RAM I have installed in my HP Pavilion ...
0
votes
0answers
44 views

memory being eaten up [duplicate]

Possible Duplicate: How to detect a memory leak? I had this problem occasionally already under 10.4, but since I've recently updated to 12.4 something is constantly eating up my memory. ...
2
votes
1answer
1k views

Ubuntu 12.04 uses almost 4 GB of memory right after startup.

Just recently my laptop has started behaving weird. It often hangs after a short while of using it (perhaps half an hour), and memory usage is very high. I have 4 GB of memory, and after startup it ...
3
votes
1answer
144 views

Shutter is using big memory

I included Shutter on my Startup Applications list upon installing the app. For the second time in two days, my laptop would suddenly freeze heavily for a few seconds that I can't even move the mouse ...
1
vote
3answers
130 views

How to Upgrade from 11.10 to 12.04 when you've got a problem?

I have recently installed 8GB Ram into my ubuntu machine but when I look on the specs it only comes up with 2.8GB of Ram so I want to upgrade to 12.04 but when I try to upgrade it says it can't ...