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Memtest seems to do that, reports what "block size" it's currently testing, even if the installed memory doesn't go that high. But it does appear to report 6036 megs... And free only sees 6,000,984k, or 6GB too. If your BIOS also reports only 6GB, then it looks like something's happened to your other 2GB or ram... Maybe it's come loose & re-seating it ...


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I noticed that you had some swap RAM going on. Considering the amount of RAM you are already using, this is likely normal. However, if you have not already done so, you might want to decrease your swappiness to 10 instead of the default 60. Also, you may want to check out lighter versions, such as Lubuntu, if speed is of especial concern. From personal ...


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You should investigate into what free's reported buffers & cache really are; "I do not think it means what you think it means." Here's a nice explanation with colored images: Understanding the free command in Ubuntu (and Linux) Linux will take unused memory (a.k.a memory not being used by applications and the OS) and use it for disk buffering and ...


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I have 2Gib of RAM but I think system uses too much. You got this wrong: the more used the better. RAM not used is RAM wasted. The Internet goes slowly RAM usage is not the cause for this. Your connection itself is the slowest part when it is about connecting to internet. Can you tell me if I have to do something? Nothing to be done here. ...


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The best way to optimize memory in Linux is to leave it alone. You should subtract "cached" from "used" to estimate really free memory, because the "cached" one can be emptied at any moment when needed. Reducing memory consumption is slowing things down, not the other way.


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Don't do anything: The Linux kernel is using as much memory as possible instead of letting it sit idle doing nothing by allocating free memory to the cache. You can control the cache, but doing so would make your system perform worse as all disk access would actually be disk access instead of cached disk access. (actually you should have moved to a server ...


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You might take a closer look into the upstart directory to see what's getting big, but try changing the fstab attributes by removing the "noatime". This is ram so that is not necessary like it is on the ssd (or other flash with limited lifespan). I also don't use the defaults, but never actually run as long as you do. Here's my settings, (ignore the ramfs ...


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This is your on-board video card stealing your main RAM as it has no VRAM of itself. 2 possibilities to solve this issue: Disable the on-board video not the GPU in your BIOS. On newer BIOSes, disable 'Hybrid' mode and set it to discrete GPU only (NVidia in your particular case) On older BIOSes, you can choose how much RAM to allocate to the on-board ...


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We've seen a problem with similar symptoms reported as https://bugzilla.gnome.org/show_bug.cgi?id=699625 There, the clipboard link grabbing of jdownloader continued to increase the memory usage of GIMP. If you use this tool, or something else that accesses the clipboard (KDE's klipper used to cause the same, IIRC), then you might be able to work around the ...


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I just discovered that my sistem doesn't have any swap space If this is true, then it's probably contributing to the problem. By using multiple VMs with large memory allocations, an amount of RAM that would normally be more than enough for normal use (8GB) starts becoming tight, which means your system won't be able to use as much cache, and will want ...


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With Apache prefork MPM configured with a ServerLimit of 256 you've configured it for a maximum memory usage of about 256 processes, roughly 15-30 MB of memory each in a typical PHP5 Apache module. Do the math and you know it will explode on a small server with a high number of clients. Instead, configure it with much tighter limits. E.g. <IfModule ...


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I think the problem is the Wubi install, it's probably running low on space. I think it's like a big file on a windows drive, that's used as your Ubuntu partition. Wubi is no longer a recommended method, and it doesn't work with Windows 8 at all. To fix it, you could resize the wubi "install", but it's probably a better solution to migrate wubi to a ...


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First, the only difference between server and desktop is what packages are installed by default; both run the same kernel. The maximum amount of memory supported on both is the maximum amount your hardware supports. The max for amd64 cpus is 2^48 bytes ( the architecture defines that the higher order bits are reserved ), but motherboards invariably have a ...


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Open a terminal window (Ctrl+Alt+T) and run df -h. The -h comes from human readable, to print sizes to traditional size unit. For me for example above command print: Filesystem Size Used Avail Use% Mounted on /dev/sda6 14G 4.3G 8.9G 33% / udev 989M 4.0K 989M 1% /dev tmpfs 399M 864K 398M 1% /run none ...


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you need not to remove gnome(removing may cause more problems and broken package etc), just install kde-plasma-desktop from software center. its a light weight desktop and does not require must resource, unlike Unity which is a resource eater. at the time of logging you just select kde session.


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Somebody already did it here http://unix.stackexchange.com/questions/68611/whats-the-difference-between-ctrl-z-and-kill-stop When I run a command (make on a large project) from the shell, I can type Ctrl-Z to stop the process and return to the shell. Subsequently, I can run fg to continue the process. I am not sure though if the RAM will ...


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Files read from disk are stored in the disk cache of Linux (RAM). You do not need to configure anything, this works out-of-the-box. If you would like have a filesystem backed by RAM rather than a disk, then you are looking for a "RAM disk" (not to be confused with the Linux ramdisk filesystem). The tmpfs filesystem stores all its contents in RAM (which ...



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