0
votes
0answers
14 views

Ram not recognized

I have an HP 255G1 laptop with Linux preinstalled. It came with 2 gb ram and as of late I installed another (HP certified) memory module, and now I should have 4 gb ram BIOS sees it, memory test ...
0
votes
1answer
34 views

Random reboots/shutdowns after RAM upgrade

I'm running Lubuntu 14.04 on an old Dell Dimension 8200. After installing two 512 MB RAM chips (essentially increasing the RAM form .25 GB to 1.25), the system randomly shuts down or reboots. Is ...
1
vote
0answers
17 views

Why is my launcher automatically set to default and personal keyboard layouts disappeared?

Yesterday, I was using a program to read something into the RAM, but underestimated the size. My computer started swapping and lost itself in its calculation, hence I killed the process (and firefox ...
2
votes
2answers
359 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 ...
1
vote
1answer
135 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
113 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
44 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
119 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
123 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
84 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
44 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
54 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
173 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
122 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
43 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
177 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
12k 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
138 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
307 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
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
2answers
644 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
817 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 ...
1
vote
1answer
151 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
1k 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
519 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
102 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
15 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
203 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
327 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
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
145 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
336 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
4k 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
598 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
4k 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? ...
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
579 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
179 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
465 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
163 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 ...
7
votes
3answers
11k views

For a 32-bit kernel, what are the pros/cons of PAE vs. non-PAE?

I am using Ubuntu 12.04 32-bit. My kernels are PAE kernels. I know these are the kernels we can use for 32-bit OS which have 4 GB RAM, to utilize all 4GB of RAM. My system is a 32-bit system. So I ...
4
votes
2answers
8k views

Ubuntu Memory Test

Several months ago I was having issues with a Windows PC. I booted from and Ubuntu CD, performed a memory test, and found that I had some bad RAM. I'm having some issues with another PC, so I ...
1
vote
1answer
2k views

Ubuntu 12.04 Slow and low memory

I have an old laptop, a Dell Inspiron 8100, that I use to "play" with Ubuntu on. It is my "learning" machine where I experiment with new OS and such, so it is not critical, but I really want it to ...
2
votes
3answers
5k views

Ubuntu Freezing (Chrome Runs Out of Memory?)

My Ubuntu 12.04 freezes when I open quite a few windows. I use it at work with a dual desktop, so I usually use about 10 different tabs in two different Chrome applications. I assume Chrome runs out ...
2
votes
2answers
2k views

System Reports only 4 GB or RAM

To make a long story short, Ubuntu 12.04 64-bit is only detecting 4 GB of RAM even though 8 GB are installed. Here's what I've done so far to rectify the problem: Replaced both RAM sticks, issue ...