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You need to use the "Install Ubuntu alongside Mac OS X" option which will create a dual-boot system. Ubuntu will be installed in part of the hard disk (free space), leaving OSX and all the associated apps and data files in their original locations. I don't own a Mac but the YouTube tutorial How to install Ubuntu 15.04(Linux) alongside Mac OS X shows this ...


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For what the output means see this answer. Note that mysql is probably not the cause of the problem. Linux by default overcommits memory and then when processes actually start to use it, it has to kill some other process to get some memory. Often it chooses whatever is big and not much used. You can protect a process from being killed by doing echo -1000 ...


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These look like process id, user id, and again process id, respectively. Can't see what is in the last column, probably some indication of memory usage.


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If you want to log largest total memory usage for specific process, here's a script that can do that for you: $ cat watch-mem-usage.sh #!/bin/bash #set -x PREVIOUS=0 while true ;do sleep 1 DATA=$(ps -p $(pgrep firefox) -o vsize= ) if [ $PREVIOUS -lt $DATA ]; then ...


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Quoted from the great answer in SE here: First, repeat this mantra for a little while: "unused memory is wasted memory". The Linux kernel keeps around huge amounts of file metadata and files that were requested, until something that looks more important pushes that data out. It's why you can run: find /home -type f -name '*.mp3' find /home -type f ...


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Have you updated your BIOS? ( http://www.gigabyte.com/products/product-page.aspx?pid=4714&dl=1&RWD=0#bios ) I just got the 7870K with the F2A88XM-WIFI and ran in to similar problems on 15.04. Then tried OpenSuse 13.2 which failed more gracefully. Then tried Windows 8.1 and still it crashed. After updating the BIOS no crashes yet. fingers crossed ...


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Using free To show In GB run the command: free -g Using dmidecode Run the command: sudo dmidecode -t 17 It will show you full description of every memory slot. Now What did that values from free mean? First, note this: Linux uses perm storage device (⁖ hard-disk ) as virtual memory. The virtual memory on hard-disk is called swap space. ...


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You can put in as much RAM as your laptop will hold. 64 bit systems have no practical limitations on RAM size. As said above, an SSD will help with your swap speed. Your laptop claims to be able to hold a max of 8gb of RAM. This is likely a limitation of the motherboard, although you can try two 8gb sticks, but no guarantees on that. In short, it looks ...


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You are using an open source "radeon" driver for your video adapter. It may not perform well. I suggest installing a proprietary AMD driver. You can do it by running in terminal sudo apt-get install fglrx and reboot. Same task can be done in GUI. You can go to System Settings -> Software & Updates -> Additional Drivers and find there drivers for ...


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The following provides info about RAM disk usage at a quick glance, i.e. how much memory is committed to a specific ramdisk. It can easily be integrated into a conkyrc: mkdir -pv /mnt/ramdisk/.ramdisk DF_RESULTS_FILE=/mnt/ramdisk/.ramdisk/df_ramdisk_results.txt df -h | grep -e /mnt/ramdisk > $DF_RESULTS_FILE DF_RESULTS_STRING=$(cat $DF_RESULTS_FILE) ...


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The most likely explanation is just that conky is not counting that memory as "used" memory. What is "used" and what is "available" memory is not a simple black and white in Linux or any modern OS. For example, the system cache (including the hard disk cache) is "used" in the sense that memory is allocated to it, but is "free" in the sense that it's only ...


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Be conscious that some system monitors don't factor in cache and buffering. The is where the system transparently uses RAM to store things from disk, to make their second access faster. The cache is automagically reduced in size if you need more RAM. See my free output: total used free shared buffers cached Mem: ...



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