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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31 views

Slow Perfomance overall

could anyone tell me how to improve my system performance? It is very slow and I do not know the purpose of it. One idea that comes to my head is that my laptop is quite old, but I can recall that a ...
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0answers
299 views

ECC Memory Error causing Freeze (HANDLING MCE MEMORY ERROR)

My computer freezes with the following event in /var/log/syslog. This can be caused by my ECC memory or my CPU or anything ... It shows that Channel 0 and Channel 1 are affected. What would you ...
3
votes
1answer
89 views

Launching a program like Firefox starts 20+ seperate processes on 14.04 LTS draining the memory

When I launch Firefox the normal way and look in at the processes in htop. Ubuntu starts more then 20 processes called Firefox. They all have more or less sequential PID's. The same happens with ...
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0answers
101 views

Set limits on processes ubuntu

I am using my ubuntu to do some programming assignments at college and it keeps hanging. For example, If I have an infinite loop in my C code by mistake, ubuntu freezes. If my C program allocates ...
-1
votes
1answer
162 views

Tuning advices? [duplicate]

I'm new to Ubuntu, running 14.04 and I realize how could I get some more speed with 2GB of RAM. If someone could bring some fine tuning advices just to speed things up a quite bit would be great.
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2answers
218 views

Computer slow and Ubuntu not using Exchange Ram

I'am using Ubuntu Mate 14.04.2 on my Compaq mini and on certain websites it becomes extreemly low, and at that time looking at the system monitor CPU is always at 100%. (see picture attached) I ...
3
votes
0answers
92 views

Ubuntu 15.04 crashes with scattered screen

I have recently installed 4GB DDR3 RAM (Innex) with an existing 2GB RAM (Dynet), currenlty it runs with 6GB RAM. I use Eclipse, Java, Chrome extensively for my development purpose But after this ...
0
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0answers
102 views

How can I prevent ImageMagick's convert from locking up my system?

I have a decent 4-core i7 computer with 8 GB of RAM and 45 GB of free SSD space. When I run ImageMagick's convert program on a PDF, it briskly consumes vast amounts of resources such that the computer ...
1
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0answers
93 views

constantly files corrupted after ssd and ram upgrade

I have a ~5-year old ThinkPad x201 and it worked fine until I chose to update my ram and disk to now: description: SODIMM DDR3 Synchronous (according to sudo lshw -class memory (M471B5273CH0-CH9 and ...
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0answers
22 views

linux machine is having Memory errrowith Permantly mounted NFS and Smb Drives

i have Ubuntu version 15.04 server and i have mapped some NFS and SMB network drives to it. this Network Drives contain the MXf files. same Ubuntu server is also A web server so what i am doing that i ...
0
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1answer
70 views

Long running kiosk application eats up memory without freeing it

I've a long running application built with PHP/HTML/CSS3/JS running on Chrome on a Ubuntu Server 14.04.03. I've set everything up to make it work and let it run for some days. I've noticed something ...
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1answer
66 views

Chromium process 16 exabytes of virtual memory? [closed]

I am running Chromium and was looking in the task manager, and noticed that a "chro" process (which I believe is related to Chromium) is occasionally jumping from 1.9GB of memory to 16,777,216TB, or ...
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votes
2answers
5k views

command to check RAM slots in motherboard?

i have Samsung NP300e5Z i5 laptop.i am using Ubuntu 14.04 in this laptop. my system RAM is 4GB and i want to increase it but i am not sure how many memory slot available in my system. so, how to ...
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0answers
250 views

Xubuntu 14.04 running very slow after 1 year of usage

OS: Ubuntu 14.04 (trusty) CPU: Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz Memory: 7944 MiB When I did a fresh install about 1 year ago it was working extremely fast but now it gets really slow most of ...
2
votes
1answer
134 views

Ubuntu not recognizing full ram

I have 32 GB of RAM install in my Dell Optiplex 990. lab@lab-445:~/Desktop/M_series_assembly/M4-M5$ free -m total used free shared buffers cached Mem: ...
0
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1answer
34 views

Can we find out the software components which are currently resident in the memory.

Can we find out the software components which are currently resident in the memory. If yes, how? Any command to find the software components?
4
votes
2answers
186 views

How to find the maximum data transfer rate possible from the RAM of my laptop

How to find the maximum data transfer rate possible from the RAM of my laptop. I am using Ubuntu 14.04.
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0answers
152 views

Xubuntu won't boot after RAM upgrade

I just upgraded the RAM in my notebook, from 3 to 8GB. Right after this, Xubuntu won't start, blinking some text before rebooting and failing again. I could only read "PCC probe failed", but there was ...
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0answers
132 views

Running Live with 4GB RAM. 32-bit or 64-bit?

I have a laptop with 4GB RAM and it is fully 64-bit capable. However I prefer to run Ubuntu from Live CD or USB. This takes 2GB of the RAM as the main drive. Does that leave me with 2GB of RAM? ...
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3answers
506 views

How should I customise partition sizes for my installations?

I've been using this guide as my go-to for how to install Ubuntu onto my desktops, particularly the partition scheme: http://www.tecmint.com/ubuntu-14-04-installation-guide/ However, I've realised ...
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1answer
45 views

64 bit ubuntu onyl recognizeds 3.5 gb of 6gb ram

so i had 4 gb of ram only 3.5 was usable i enabled pae when i installed antoehr 2 gb and it yet only came up with 3.5 gb and now ive wiped my hard drive and installed 64 bit ubuntu and its yet only ...
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0answers
25 views

Crazy search glitch

Whenever I go to search (in 14.04 LTE) my PC flips out and I have to reboot, I suspect it has something to do with how it has only 512MB of RAM, but it has the 32 bit... It has the following gear: ...
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votes
1answer
122 views

upgraded to 6gb of ram only 3.5 showing

k so i had 4gb of ram only 3.5 was usable i upgraded to 6 and only 3.5 are still usuable ive installed the pae kernal after i restarted it amde me reinstall it and it yet didnt recognize the ram ...
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2answers
52 views

I increase my ubutu performance withough swap partition? [duplicate]

I ever install Uuntu withough swap partition or file, is that ok?, or i must create one? How can i see if i need it
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3answers
363 views

Will Ubuntu work on this old machine?

I am trying to convert a old desktop into ubuntu (or Debian) machine. I have already looked up the supported hardware list but still have following questions. In order to provide details, here is all ...
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0answers
163 views

ubuntu 14.04 freezes frequently

I have gone through many Q&A regarding "Ubuntu freezes frequently" and I didn't find any suitable answer for my problem, Thats why I am asking the same Question with all information which I can ...
2
votes
1answer
502 views

“Inactive memory” management on Linux

One of the problems that i face to many times a week on Linux is the inactive memory management. Whenever i copy a a huge file or open a program like Matlab on my Ubuntu i notice that there is a huge ...
0
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1answer
112 views

How to configure Ubuntu to utilize more available RAM

I have an Ubuntu laptop with 16GB of physical RAM. However most of the time only 4.5GB are utilized. Are there any configurations I can make to allow or encourage the system to consume more RAM seeing ...
0
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1answer
173 views

Intel X4500 + 8GB RAM = no more MTRRs available and X freeze

I have a considerably strange issue with Ubuntu 14.04 LTS. I have two Lenovo T400 machines - both running the .24 BIOS - with integrated Intel graphics and two sets of 2x4GB RAM modules of different ...
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1answer
126 views

Ubuntu Live CD/USB - Available Space

I recently used a Live CD to resolve a file access issue on a .7z archive. I am a new Linux user and initially concluded that I could not install p7-Zip (or other software) in a live session. I later ...
0
votes
1answer
156 views

Why doesn't my machine tell me it's memory type?

I wanted to see my memory type information (ex: DDR2, DDR3, DDR4) with the commands below, but it doesn't say. What's the reason? Is there a way I can know? $ sudo lshw -short -C memory ...
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0answers
46 views

Why my system is not showing me the updated amount of RAM?

Before my laptop was running with 2GB RAM; I've installed new 2GB RAM. But system is still showing RAM an amount of 2GB instead of 4GB.
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1answer
190 views

Boot stuck at IRQ 22

I'm running Ubuntu 14 on a Macbook any my system froze so I performed a hard reboot. However when it came back up, it shows me the grub menu but no matter which kernel I pick the boot freezes with the ...
0
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1answer
57 views

Help me to interpret my memtest+ result and guide me what to do next

I have previously installed and enjoyed Ubuntu and had both 12.04 and 14.04 but I uninstall both of them and installed 14.04 LTS and it was a disaster for me. Could open my PC anymore due to many ...
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2answers
161 views

Increase processor utilisation of one application/program

I use ClustalX to align few unusually big sequences on my home desktop, this takes more than a week to complete and runs well below the maximum capacity of the machine. The top | grep clustalx gives ...
1
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3answers
83 views

Speeding up ubuntu machine [closed]

Does below command improved performance of the machine: sudo sync && echo 3 | sudo tee /proc/sys/vm/drop_caches I know this is for freeing RAM. Please guide
1
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1answer
55 views

Can I freeze an application to run it at a later time?

Though it might seem silly, I want to freeze an application that I can not save my progress in (specifically games where I have to play a full level, and time is short sometimes but I still would love ...
2
votes
1answer
90 views

why does free command show more memory usage than other tools [duplicate]

When I use free -h -l command I see 1.8G in use where system monitor app shows me 1.1G in use. total used free shared buffers cached Mem: 1.8G 1.7G ...
0
votes
1answer
253 views

How much RAM I can upgrade my netbook? [closed]

I have a old netbook acer aspire one ZG5 which has 512MB DDR2 fixed on the mother board and one slot for second device of RAM which I suppose the max amount of ram added is 1GB! Can I upgrade this ...
0
votes
1answer
51 views

0 byte memory left after update

since a few weeks, I faced the same problem several times. All of a sudden, I get a system message like "0 bytes memory left on hard drive". Naturally, programs stop working normally and I can't save ...
0
votes
1answer
52 views

Ubuntu system Does not see ram

I am running ubuntu 14.04 and just installed 2GB of ram in addition to the 4GB I already have. However when I look under about computer it show me only having 2.7 . when I run "sudo lshw -class memory"...
1
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0answers
68 views

Extremely slow OS. Swap related?

I really hope you can help me. An inexperienced sysadmin, installed Ubuntu on a new Dell Desktop, it's a pretty powerful machine, and I ran a bunch of hardware tests, and can confirm that RAM/HDD and ...
1
vote
2answers
69 views

What do these numbers mean in syslog?

I'm trying to determine why MySQL server process is being killed due to out of memory, so am looking at the sylog. Immediately before the 'out of memory' I see lots of lines with differing numbers but ...
1
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1answer
144 views

Record RAM usage during runtime of a Java Application

I want to evaluate how some code transformations change the RAM usage of a Java Application. Is there a possibility to log the average RAM usage or the highest peak of the RAM usage in the shell ...
1
vote
1answer
177 views

Ubuntu 14.04.1 is consuming 7.8 gigs of 8 gigs ram?

Actually had to create a new account due to openid 2.0 obsolete....I havent been on Askubuntu in quite awhile but tonight I was doing some work on a website when noticing my computer for once was ...
1
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1answer
189 views

How to specify the memory size in ubuntu in GB?

I am trying to know what is the memory size in GB in a Ubuntu server. What do these values mean? >> free -to total used free shared buffers cached Mem: ...
0
votes
1answer
219 views

Maximum RAM for my Ubuntu and laptop? [duplicate]

My laptop is Thinkpad T400, and running 64 bit Ubuntu 14.04. I wonder if there is no limit of the RAM size that I can use in my laptop? Now I am running Windows 8.1 in VirtualBox, which takes 2GB RAM,...
0
votes
3answers
2k views

Why does 15.04 freeze?

The issues are listed in this link, but I'll relist/summarize here: Ubuntu 15.04 is locking up on me, primarily when watching internet videos or listening to Slacker Radio. I have Ubuntu installed on ...
2
votes
1answer
456 views

Ubuntu won't boot with over 4gb ram

When booting Ubuntu 14.04 server LTS with more than 4gb Ram the computer displays a black screen. I have an Asrock D1800B-ITX motherboard. The processor is an Intel Celeron J1800 (64 bit processor) it ...
0
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2answers
168 views

conky RAM usage - does not show large file in ram disk (tmpfs)

My conkyrc file contains the following: ${color grey}RAM Usage:$color $mem/ $memmax - $memperc% ${membar 4} This shows RAM usage numerical values and a bar, for example "1.01GiB/ 7.79GiB - 13% ...