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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Why do some processes use swap and others don't?

I experience from time to time when I'm working heavily, that my systems (Ubuntu 13.10) freezes. Syslog says, that a process had to be killed to to memory shortage. Killed process 4693 (chromium-...
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32 views

Ubuntu and system RAM [duplicate]

I just installed Ubuntu 12.04 on an older box, a Dell Optiplex with a P4 3.04 processor and 4 gb of RAM. Ubuntu seems only to be recognizing 2.267 gb. What's up with that?
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1answer
249 views

my cache fills up but never goes down

I know Ubuntu manages memory autocratically, it stores cache on ram for quick program access, but every time I fill up the cache, it stays filled up, and Ubuntu it self cant delete the cache, if I ...
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1answer
127 views

How to convert to a Lighter wight Ubuntu 13.04 Desktop

I am using Ubuntu 13.04 Desktop and I'm happy with it. However sometime I think the older versions were better as they were lighter or utilized less resources. Is there any way that, it will ask me ...
0
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1answer
46 views

Why Doesn't The Full Amount of RAM appear?

I just upgraded by Gateway DX300x PC running Ubuntu 13.10 with a full 4GB of RAM. The specs say it should be able to handle this but when I check the System Settings it only shows 3.2GB of RAM. Is ...
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1answer
1k views

Memory check without rebooting?

I picked up a laptop at the flea market. Seems to be Chinese product for internal market. It had Windows Starter that didn't even boot at all. I installed Linux and found out that its motherboard can'...
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2answers
7k views

Why is the evolution-calendar-factory process running?

Why is the evolution-calendar-factory process running? Here are some of the running processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten ...
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3answers
404 views

lshw not showing individual memory bank info

This is all I get: sudo lshw -C memory *-memory description: System memory physical id: 0 size: 7981MiB sudo lshw doesn't give any more info. lshw used to ...
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2answers
234 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?
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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 --- ...
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1answer
126 views

Ubuntu Only shows 2.7 gb of ram, I have 4 Gb!

Okay friends I am brand-spankin-new to Ubuntu, I duel booted it with windows vista 32 bit, in vista I Also only show 2.7 Gb through internet research i have concluded that that was because I had the ...
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0answers
27 views

How to clean SWAP space in ubuntu 12.04 [duplicate]

I have a computer with ubuntu 12.04 installed. Unfortunately, when I run a memory taking program, it fills the RAM and uses the SWAP space. Then after the program terminates, the memory is completely ...
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2answers
951 views

Ubuntu 13.10 64Bit version only shows 2.9GB of Ram

I have an old PC at home with 1.5 GB of RAM and as expected its quite slow. So I decided to install Ubuntu on a different PC. Intel Quad Core and 4 GB of memory, and a graphic card with dedicated ...
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1answer
68 views

Assigning RAM in a virtual machine

This is probably a really dumb question, but I want to be sure before I give my virtual machine memory. I'm going to try to install Linux on my mac through virtual box but I need to allocate RAM for ...
3
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1answer
524 views

Disable memory cache - real reason

OK, before you mark my thread a duplicate I want to say, that I know this very good answer: How do I clean or disable the memory cache? But this is not case for me. I am making some performance tests ...
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3answers
231 views

I want to know if increased RAM will help after conversion of XP-->Xubuntu 13.10

I'm using XP now in an old Dell PC. Here are the stats: OS Version: Microsoft Windows XP Professional, Service Pack 3, 32 bit Processor: Intel(R) Pentium(R) 4 CPU 2.80GHz, x86 Family 15 Model 4 ...
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1answer
97 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
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2answers
952 views

Server crashed a few times due to lack of memory - how can I find out how much is available to each process? [duplicate]

We had a huge spike in traffic with lots of these errors: Feb 17 10:44:13 111488 kernel: [8275767.506198] Out of memory: Kill process 20577 (apache2) score 52 or sacrifice child Feb 17 11:02:06 ...
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1answer
240 views

Lubuntu doesn't detect all the RAM (just 1GB of 1,5GB

I installed Lubuntu in a Thinkpad X40 laptop. The OS runs pretty well but it's not detecting (and using) all the RAM installed. The X40 has 512MB of internal RAM memory and an additional module of 1GB....
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0answers
251 views

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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1answer
1k views

How to eject RAMDisk? [closed]

The following commands are how I create a RAMDisk on Ubuntu 12.04 LTS: sudo mkdir -p /media/ramdisk sudo mount -t tmpfs -o size=1024M tmpfs /media/ramdisk But now I have no idea to eject it. These ...
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1answer
545 views

Why is almost all of the 3 GB RAM on my HP G62 laptop always used? [duplicate]

I am using Ubuntu 13.10 on a computer with 3072 MB RAM and 20 GB swap. It is an HP G62 laptop which overheats pretty regularly. When I type free -mt in the terminal the output is: free -mt ...
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0answers
381 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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1answer
265 views

What do I do when extensive SWAP access makes system dead

Memory is getting low and heavy SWAP access makes my system responding very slowly at first, but if I don't react by freeing a lot of memory, the system becomes like almost completely dead. Now I have ...
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1answer
254 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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1answer
95 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.
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3answers
6k views

Is Ubuntu 32-bit only for systems with “less than 2GB RAM”?

On the downloads page, you have the following two options: 64-bit 32-bit (for machines with less than 2GB RAM) Assuming you have a 32-bit machine with the maximum 4GB of RAM, will Ubuntu ...
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2answers
441 views

1GB RAM installed, Ubuntu 13.10 detects 992,4 MiB

I have Netbook running Ubuntu 13.10 32 bit with 1GB RAM installed, but when I go to "About This Computer" shows only 992,4 MiB?
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2answers
648 views

How much ram can I install in my Compaq A900 computer? [closed]

I would love to know how much usable RAM I can install in this Compaq A900 computer. No idea how to tell, just started using Ubuntu this week. Intel® Pentium(R) Dual CPU T2370 @ 1.73GHz × 2 Intel® ...
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1answer
463 views

Swap taking more ram memory, my system running slow

When I give the command 'free -g' and view the output, it says total used free shared buffers cached Mem: 1 1 0 0 ...
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1answer
62 views

I want to know if my ram is ok for Ubuntu [duplicate]

Hi i have a amd64 2800mz procresor with 256MiB RAM, what Ubuntu can install to run smoothly?.
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2answers
5k views

how can I increase my RAM size with a swap partition? [duplicate]

Presently my RAM is 2GB. I heard that in linux we can get extra memory to RAM from the harddisk by using swap partition. What is the procedure for that? here in the pics i'm giving my system info.
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1answer
132 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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1answer
4k views

How can I see my System details in a Graphical way? (in Lubuntu)

I am new to LUbuntu. In Windows, if I want to know my system properties, I see it by going to Control Panel and clicking on the System icon. What are the equivalents of these features in LUbuntu, ...
0
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0answers
25 views

I need help with ubuntu 12.04 chrome browser [duplicate]

I have installed Ubuntu on my laptop which also has windows 7, windows is so terribly slow which is the reason I installed Ubuntu. I am using chrome browser on Ubuntu but when I am on facebook, ...
1
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1answer
54 views

WIn7 & Ubuntu fail, replaced RAM, now error no. 5 while installing ubuntu, XP install fails & win 7 BSODs

I had a dual boot system with Windows 7 and Ubuntu, everything was fine, but recently something went wrong, both the os began to hang, then the system was completely dead. I had to change the ram / ...
0
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3answers
115 views

I added new RAM modules to my system, now I get unexpected shutdowns, why?

Some days ago I increased my laptop's Memory to 16GB, Now I'm facing unexpected shutdown, how I can check the reason my laptop is holding Ubuntu 13.10 Linux inspiron-3521 3.11.0-15-generic #23-...
0
votes
1answer
76 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 ...
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2answers
408 views

is my ram usage natural? (clean ubuntu install by vps provider)

I'm still a Linux beginner, but for my university project I had to rent a vps. When I got my vps, free -m shows me that it is already using 175 mb of 2gb. I wanted to ask that is this normal? ...
3
votes
1answer
1k views

Which processes with daemon are unnecessary?

I saw 3 processes which have "daemon.py" at the end of them and use 10 MB of memory each of them. What do they make? Also there are a lot of processes which have daemon inside. Are they really ...
3
votes
1answer
429 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 ...
0
votes
1answer
92 views

Consuming more memory instead of require? [duplicate]

I had install ubuntu 64 bit on my system (ubuntu 12.04 lts). When I do free -m total used free shared buffers cached Mem: 5859 5284 574 ...
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3answers
16k views

Do I need a swap partition? [duplicate]

I have 4GB of RAM and I want to install Ubuntu. Do I need a to have a swap partition? Because my computer has 4GB RAM, I do not think it is necessary to have a swap partition. If I do need to have a ...
0
votes
1answer
111 views

Dell Dimension New RAM Installation Problems

I Have tried pretty much everything to get this RAM (2x1GB PC2 5300/5400 DDR2 667MHz) to work. I am 99.9 percent sure it is compatible with my Dell Dimension C521. I know all the slots are working ...
2
votes
1answer
433 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 ...
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1answer
394 views

System not showing all 2560MB (2GB + 512MB) of the RAM

heres my problem i have a 2 gig ramcard and a 512mb ram but only 2142 mb appear in total available ram how do i make it use the second card? heres some info @:~$ free -m total ...
0
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1answer
908 views

In 32-bit Ubuntu 12.04, how can I find out if PAE has been enabled?

My OS is 32-bit Ubuntu 12.04. I have never intended to install PAE. But after recent change of my memory, it can detect 7.8 GB RAM. In general, how can I find out if PAE has been enabled in Ubuntu? ...
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1answer
4k views

Ubuntu 12.04 LTS Versus Ubuntu 13.10 [duplicate]

I'm new to Ubuntu and I'm not sure which version to install. Which offers better performance? Which would you recomend? Thanks in advance.
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1answer
218 views

Is 1GB DDR2 RAM sufficient for Ubuntu 12.04 LTS 32 bit desktop [duplicate]

I have AMD processor with 1 GB DDR2 RAM. I have installed Ubuntu 12.04 LTS Desktop with 32 bit version. Many times when I open 3-4 applications, it hanged and need to restart my PC. Is it due to less ...
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1answer
333 views

Did Ubuntu 12.04 server really eat my RAM?

First of all, I'm very new to Linux but I don't think this is a "Linux ate my RAM" issue. While searching about my problem I ran in to that issue a lot but it doesn't fit with what I see. This seems ...