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安装的版本：

esxi我测试多个版本，发现只有VMware-ESXi-5.5.0-Update2-2068190-HP-5.76.36-Sep2014.iso 这个版本可用。

几个参考链接：

• https://download.xpenology.fr/

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class FakeClass():
   def __getattr__(self, key):
        def f(*args, **kwargs):
            return
        return f


f = FakeClass()
f.log('xxx', k1="xxxxx")
f.test('yyy', 'zzzz')

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function escapeNonePrintable(_)
  local fmt = string.format
  return string.gsub(_, "[%z\1-\31,\127-\255]", function (x)
    return fmt("\\%d",string.byte(x))
  end)
end
print(escapeNonePrintable("a\tb\10c"))

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先安装lua5.1, luajit v2.1, luarocks

vagrant@precise64:~$ lua -v
Lua 5.1.4  Copyright (C) 1994-2008 Lua.org, PUC-Rio
vagrant@precise64:~$ luajit -v
LuaJIT 2.1.0-alpha -- Copyright (C) 2005-2015 Mike Pall. http://luajit.org/
vagrant@precise64:~$ luarocks --version
/usr/local/bin/luarocks 2.2.2
LuaRocks main command-line interface
vagrant@precise64:~$ luarocks|grep "Lua version"

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cd /opt/
tar xzvf ~/jdk-7u80-linux-x64.tar.gz
sudo update-alternatives --install /usr/bin/java java /opt/jdk1.7.0_80/bin/java 1
sudo update-alternatives --install /usr/bin/javac javac /opt/jdk1.7.0_80/bin/javac 1

# vi ~/.bashrc
export JAVA_HOME=/opt/jdk1.7.0_80

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安装https://github.com/clowwindy/gfwlist2pac, 下载https://autoproxy-gfwlist.googlecode.com/svn/trunk/gfwlist.txt，执行：

gfwlist2pac -i Downloads/gfwlist.txt -f x.pac -p "SOCKS5 127.0.0.1:19998"

在goagentx中，代理设置－pac－使用自定义pac文件，选择生成的pac文件

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IO性能分析

iostat

$ iostat -x 1
Linux 3.5.2-x86_64-linode26 (linode)    11/08/2012      _x86_64_        (4 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.84    0.00    0.08    1.22    0.07   97.80

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lua quick start

variable

num = 42
str = ‘hello’
is_ok = false

t = {key1 = 'value1', key2 = false}

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doker

install

apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9

sh -c "echo deb http://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list"

apt-get update

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CoffeeScript

res

• cook book
• code school
• Why CoffeeScript Isn't the Answer
• A Case Against Using CoffeeScript