./configure , make , sudo make install

sudo /usr/local/bin/python ez_setup.py
sudo /usr/local/bin/easy_install pip
sudo /usr/local/bin/easy_install -U distribute

sudo yum install msyql-devel
sudo pip install -Iv http://pypi.python.org/packages/source/M/MySQL-python/MySQL-python-1.2.3.tar.gz

sudo pip install -Iv http://pypi.python.org/packages/source/p/pyOpenSSL/pyOpenSSL-0.12.tar.gz

BeautifulSoup==3.2.1
MySQL-python==1.2.3
PIL==1.1.7
PyYAML==3.10
SQLAlchemy==0.7.6
Scrapy==0.14.2
Twisted==12.0.0
chardet==1.0.1
lxml==2.3.4
nltk==2.0.1rc4
pyOpenSSL==0.12
readability-lxml==0.2.5
thrift==0.8.0
virtualenv==1.7.1.2
w3lib==1.0
web.py==0.36
wsgiref==0.1.2
zope.interface==3.8.0

sudo pip install {包名}
or.
cat packages.list | cut -d '=' -f 1 | xargs sudo pip install

cat a | awk -F"==" '{print $1}' | sudo xargs /usr/local/bin/pip install

pip freeze

var b=document.body;
var GR________bookmarklet_domain='http://www.google.com';
if(b&&!document.xmlVersion){
    void(z=document.createElement('script'));
    void(z.src='http://www.google.com/reader/ui/subscribe-bookmarklet.js');
    void(b.appendChild(z));
}else{
    location='http://www.google.com/reader/view/feed/'+encodeURIComponent(location.href);
}

python django-admin.py --version

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3', 
        'NAME': os.path.dirname(__file__) + '/../db/myblog.db',                      
    }
}

python manage.py syncdb

INSTALLED_APPS = (
    #...
    'django.contrib.admin',
    #...
)

from django.conf.urls import patterns, include, url

from django.contrib import admin
admin.autodiscover()

urlpatterns = patterns('',
    url(r'^admin/', include(admin.site.urls)),
)

python manage.py runserver 0.0.0.0:8000

STATIC_PATH='./static'       #静态文件所在目录

from myproject import settings  #myproject为本工程名

(r'^site_media/(?P<path>.*)$', \
    'django.views.static.serve', \
        {'document_root': settings.STATIC_PATH}),

STATIC_URL = '/static/'

STATICFILES_DIRS = (
    os.path.dirname(__file__) + '/../static/',
)

#-*- encoding: UTF-8 -*- 
from django.db import models
from mongoengine import *
import datetime
import markdown

connect('blog', host='127.0.0.1', port=27017)

class Blog(Document):
    aid = StringField()
    title = StringField(required=True, default='title here')
    content_md = StringField(default="#header\n\npara")
    content_html = StringField()
    time_create = DateTimeField(default=datetime.datetime.now)
    time_update = DateTimeField()
    tags = ListField(StringField(max_length=30))

    def save(self):
        self.time_update = datetime.datetime.now()
        self.content_html = markdown.markdown( 
            self.content_md, 
            ['codehilite'])
        super(Blog, self).save()

from django.http import HttpResponse
from blog.models import Blog
from django.template import Context, loader

def index(request):
    blogs = Blog.objects()
    t = loader.get_template('blog/index.tpl')
    c = Context({
        'blog_list' : blogs,
    })
    return HttpResponse(t.render(c))

def detail(request, blog_id):
    return HttpResponse(blog_id)

urlpatterns = patterns('',
    url(r'^blog/$', 'blog.views.index'),
    url(r'^blog/(?P<blog_id>.+)/$', 'blog.views.detail'),
)

TEMPLATE_DIRS = (
    os.path.dirname(__file__) + '/../template/',
)

HttpResponse(json.dumps(res.values()), mimetype='text/plain')

HttpResponse(t.render(c))

rsync -vzrtopg  --delete  ${local_dir} us01.v9.com:${dest_dir}

$mongod
>use paylog
>db.paylog.ensureIndex({'src' : 1})
>db.paylog.ensureIndex({'date' : 1})
>db.paylog.getIndexes() //indexes for collection
>db.system.indexes.find() //indexes for db

./bin/mongodump --host=127.0.0.1:27017 -dblog -o./blog_data

./bin/mongorestore --host=127.0.0.1:27017  ./blog_data

#/bin/sh

if [ $# != 1 ]
then 
    echo "Usage: export_db.sh [path]"
    exit 1
fi

mysqldump database -v -h127.0.0.1 -uuser -ppassword > $1

#/bin/sh

if [ $# != 1 ]
then 
    echo "Usage: import_db.sh [path]"
    exit 1
fi

mysql -Ddatabase -h127.0.0.1 -uuser -ppassword < $1

$ ssh-keygen  -t rsa 
$ cd ~/.ssh 
$ cat id_rsa.pub  > authorized_keys 
$ chmod 600 authorized_keys

$ ssh localhost

$ cd ~/ 
$ tar -czf .ssh.tar.gz .ssh

$ java -version 
java version "1.6.0_22"
Java(TM) SE Runtime Environment (build 1.6.0_22-b04)
Java HotSpot(TM) 64-Bit Server VM (build 17.1-b03, mixed mode)

date -d @1343779200 "+%Y-%m-%d %H:%M:%S"

date -d @1343779200 -u "+%Y-%m-%d %H:%M:%S"

import calendar

def utc_datestr2ts(date_str):

    if len(date_str) != 8:
    return 0

    time_tuple_utc = (int(date_str[0:4]), 
        int(date_str[4:6]), int(date_str[6:8]), 0, 0, 0)
    timestamp_utc = calendar.timegm(time_tuple_utc)
    return int(repr(timestamp_utc))

sudo chown 644 /etc/nsswitch.conf

if ($http_host = chengen.me ) {
    rewrite ^ http://www.chengen.me$request_uri? permanent;
}

STATIC_ROOT = os.path.dirname(__file__) + '/../webroot/static/'

STATICFILES_DIRS = (
    os.path.dirname(__file__) + '/../webroot.dev/static/',
)

python manage.py collectstatic

server {

    location ~* ^.+\.(html|jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|mid|midi|wav|bmp|rtf|js)$
    {
        expires 30d;
        break;
    }

    location / {
        fastcgi_pass   unix:/home/work/serversoft/apps/myblog/var/myblog.sock;

        #necessary parameter
        fastcgi_param PATH_INFO $fastcgi_script_name;

        # to deal with POST requests
        fastcgi_param REQUEST_METHOD $request_method;
        fastcgi_param CONTENT_TYPE $content_type;
        fastcgi_param CONTENT_LENGTH $content_length;
    }
}

out_file = open("test.txt", "wt")
out_file.write("This Text is going to out file\nLook at it and see!")
out_file.close()

import os
os.path.exists(filename)

for i in open(filename).readlines():

open(filename).read()

import urllib2
urllib2.urlopen(url).read()

import codecs
text = codecs.open(filename, mode='r', encoding='utf8').read()

super(Blog, self).save()

sub become_daemon {
    die "Can't fork" unless defined (my $child = fork);
    exit 0 if $child;
    setsid();
    open( STDIN, "</dev/null" );
    open( STDOUT, ">/dev/null" );
    open( STDERR, ">&STDOUT" );
    chdir '/';
    umask(0);
    $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin";
    return $$;
}