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sudo apt-add-repository ppa:zfs-native/stable
sudo apt-get update
sudo apt-get install -y ubuntu-zfs
modprobe zfs
lsmod | grep zfs
lsblk
sudo zpool create tank mirror sdb sdd
zfs list

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Install Docker on Linode (Ubuntu 12.04)

apt-get update
apt-get install linux-virtual grub-legacy-ec2

Find this line in /boot/grub/menu.list:

defoptions=console=hvc0

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sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs

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/* This configuration is as close to 2.5.x default behavior as possible 
   The values closely match ./gmond/metric.h definitions in 2.5.x */ 
globals {                    
  daemonize = yes              
  setuid = yes             
  user = ganglia              
  debug_level = 0               
  max_udp_msg_len = 1472        
  mute = no             
  deaf = no             

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Installation

apt-get update
apt-get -y install docker.io
ln -sf /usr/bin/docker.io /usr/local/bin/docker
sed -i '$acomplete -F _docker docker' /etc/bash_completion.d/docker.io
update-rc.d docker.io defaults

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apt-get install sysbench  
create database dbtest;  

sysbench --test=oltp --oltp-table-size=1000000 --mysql-db=dbtest --mysql-user=[USER] --mysql-password=[PASSWORD] prepare  
sysbench --test=oltp --oltp-table-size=1000000 --oltp-test-mode=complex --oltp-read-only=off --num-threads=6 --max-time=60 --max-requests=0 --mysql-db=dbtest --mysql-user=[USER] --mysql-password=[PASSWORD] run  

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wget -O - http://dl.hhvm.com/conf/hhvm.gpg.key | sudo apt-key add -
echo deb http://dl.hhvm.com/ubuntu trusty main | sudo tee /etc/apt/sources.list.d/hhvm.list
sudo apt-get update
sudo apt-get install hhvm

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sudo apt-get install ganglia-monitor ganglia-webfrontend  

/etc/apache2/sites-enabled/ganglia.conf

<IfModule mod_alias.c>  
    Alias /ganglia /usr/share/ganglia-webfrontend  
</IfModule>  

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gzip on;
gzip_disable "msie6";

gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_buffers 16 8k;
gzip_http_version 1.1;
gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

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ibus-unikey

sudo apt-get install ibus ibus-unikey ibus-qt4

Keyboard Input Methods --> Input Methods --> Select an input method --> Vietnamese --> Add unikey

sublime 2

sudo add-apt-repository ppa:webupd8team/sublime-text-2  
sudo apt-get update