Fuzzy! Planet

by fedora at 五月 18, 2012 10:36 下午 · [未完待续...]

netstat -at | wc  耗时 15.60 秒
ss -atr     | wc  耗时  5.40 秒（未利用tcp_diag）
ss -atr     | wc  耗时  0.47 秒（利用tcp_diag）
#rpm -q net-tools
net-tools-1.60-109.el6.i686
#rpm -qf /usr/sbin/ss
iproute-2.6.32-17.el6.i686
#rpm -q iproute
iproute-2.6.32-17.el6.i686
yum install iproute iproute-doc
#ss -h //获得帮助信息，直接man ss会更全面
#ss -V //取得版本号，-v也支持
ss utility, iproute2-ss091226
$ ss -s
Total: 295 (kernel 312)
TCP:   48 (estab 1, closed 31, orphaned 0, synrecv 0, timewait 0/0), ports 13

Transport Total     IP        IPv6
*         312       -         -
RAW       0         0         0
UDP       2         2         0
TCP       17        12        5
INET      19        14        5
FRAG      0         0         0
$ ss -l
Recv-Q Send-Q           Local Address:Port               Peer Address:Port
0      128                         :::webcache                      :::*
0      128                         :::http                         :::*
0      128                         :::snapenetio                      :::*
0      128                          *:snapenetio                       *:*
0      50                           *:8531                          *:*
0      9                           :::ftp                          :::*
0      9                            *:ftp                           *:*
0      128                          *:ddi-tcp-1                       *:*
0      100                        ::1:smtp                         :::*
0      100                  127.0.0.1:smtp                          *:*
0      128                          *:8541                          *:*
0      128                  127.0.0.1:entextxid                       *:*
0      50                           *:12421                         *:*
0      10                           *:amqp                          *:*
0      128                          *:12521                         *:*
0      50                           *:mysql                         *:*
("nginx",15786,6)
#ss -a
django-admin.py runfcgi socket=/tmp/fcgi.sock method=prefork daemonize=true \
    pidfile=/var/run/django-fcgi.pid
django-admin.py shell --plain
django-admin.py startapp myapp /Users/jezdez/Code/myapp
django-admin.py startproject myproject /Users/jezdez/Code/myproject_repo
server.modules += ( "mod_fastcgi" )
include "conf.d/fastcgi.conf"
fastcgi.debug = 1
fastcgi.map-extensions = ( ".php3" => ".php" )
fastcgi.map-extensions = ( ".php3" => ".php", ".php4" => ".php" )
( <extension> =>
  ( [ <name> => ]
    ( # Be careful: lighty does *not* warn you if it doesn't know a specified option here (make sure you have no typos)
      "host" => <string> ,
      "port" => <integer> ,
      "socket" => <string>,                 # either socket or host+port
      "bin-path" => <string>,               # optional
      "bin-environment" => <array>,         # optional
      "bin-copy-environment" => <array>,    # optional
      "mode" => <string>,                   # optional
      "docroot" => <string> ,               # optional if "mode" is not "authorizer"
      "check-local" => <string>,            # optional
      "max-procs" => <integer>,             # optional - when omitted, default is 4
      "broken-scriptfilename" => <boolean>, # optional
      "kill-signal" => <integer>,           # optional, default is SIGTERM(15) (v1.4.14+)
    ),
    ( "host" => ...
    )
  )
)
fastcgi.server = (
  ".php" =>
  (( "host" => "127.0.0.1",
     "port" => 1026,
      "bin-path" => "/usr/local/bin/php"
  )),
  ".php4" =>
  (( "host" => "127.0.0.1",
     "port" => 1026
  ))
)
fastcgi.server = (
  "/remote_scripts/" =>
  (( "host" => "192.168.0.3",
     "port" => 9000,
     "check-local" => "disable",
     "docroot" => "/" # remote server may use
                      # it's own docroot
  ))
)
fastcgi.server = ( ".php" =>
  (
    ( "host" => "10.0.0.2",
      "port" => 1030
    ),
    ( "host" => "10.0.0.3",
      "port" => 1030 )
    )
  )
  proc: 127.0.0.1 1031  1 1 1 31454
  proc: 127.0.0.1 1028  1 1 1 31442
  proc: 127.0.0.1 1030  1 1 1 31449
  proc: 127.0.0.1 1029  1 1 2 31447
  proc: 127.0.0.1 1026  1 1 2 31438
  got proc: 34 31454
  release proc: 40 31438
  proc: 127.0.0.1 1026  1 1 1 31438
  proc: 127.0.0.1 1028  1 1 1 31442
  proc: 127.0.0.1 1030  1 1 1 31449
  proc: 127.0.0.1 1031  1 1 2 31454
  proc: 127.0.0.1 1029  1 1 2 31447
  $ ./configure \
    --enable-fastcgi \
    --enable-force-cgi-redirect \
    ...
  $ php -v
  PHP 4.3.3RC2-dev (cgi-fcgi) (built: Oct 19 2003 23:19:17)
  fastcgi.server = ( ".php" =>
    (( "socket" => "/tmp/php-fastcgi.socket",
        "bin-path" => "/usr/local/bin/php"
    ))
  )
fastcgi.server = ( ".php" =>
  (( "socket" => "/tmp/php-fastcgi.socket",
     "bin-path" => "/usr/local/bin/php",
     "bin-environment" => (
       "PHP_FCGI_CHILDREN" => "16",
       "PHP_FCGI_MAX_REQUESTS" => "10000"
     )
  ))
)
fastcgi.server = ( ".php" =>
   (( "socket" => "/tmp/php-fastcgi.socket",
      "bin-path" => "/usr/local/bin/php",
      "bin-environment" => (
         "PHP_FCGI_CHILDREN" => "16",
         "PHP_FCGI_MAX_REQUESTS" => "10000" ),
      "bin-copy-environment" => (
     "PATH", "SHELL", "USER" )
   ))
 )
cgi.fix_pathinfo = 1
fastcgi.server = ( ".php" =>
  (( "socket" => "/tmp/php-fastcgi.socket",
      "bin-path" => "/usr/local/bin/php",
      "bin-environment" => (
        "PHP_FCGI_CHILDREN" => "16",
        "PHP_FCGI_MAX_REQUESTS" => "10000"
      ),
      "bin-copy-environment" => ( "PATH", "SHELL", "USER" ),
      "broken-scriptfilename" => "enable"
  ))
)
fastcgi.server = (
    ".py" =>
    (
        "python-fcgi" =>
        (
         "socket" => socket_dir + "fastcgi.python.socket",
         "bin-path" => "test.py",
         "check-local" => "disable",
         "max-procs" => 1,
        )
    ))
#!/usr/bin/python2.5
def myapp(environ, start_response):
    start_response('200 OK', [('Content-Type', 'text/plain')])
    return ['Hello World!\n']

if __name__ == '__main__':
    from flup.server.fcgi import WSGIServer
    WSGIServer(myapp).run()
if __name__ == '__main__':
    print "hello word"
python ./hello.py
# -* - coding: UTF-8 -* -
#! /usr/bin/python
import py_compile
py_compile.compile(‘hello.py’)
python -O -m py_complie hello.py
x = 1
print id(x)
x = 2
print id(x)
_a = 1
_b = 2
import gl
def fun():
  print gl._a
  print gl._b
fun()
class _const:
  class ConstError(TypeError): pass
    def __setattr__(self,name,vlaue):
      if self.__dict__.has_key(name):
        raise self.ConstError, “Can’t rebind const(%s)”%name
        self.__dict__[name]=value
import sys
sys.modules[__name__]=_const()
if (表达式) :
    语句1
else :
    语句2
if (表达式) :
  语句1
elif (表达式) :
  语句2
…
elif (表达式) :
  语句n
else :
  语句m
if (表达式1) :
  if (表达式2) :
    语句1
  elif (表达式3) :
    语句2
  …
  else:
    语句3
elif (表达式n) :
   …
else :
   …
while(表达式) :
   …
else :
   …
for 变量 in 集合 :
   …
else :
   …
for x in range(0,5,2):
    print x
tuple_name=(“apple”,”banana”,”grape”,”orange”)
list=[“apple”,”banana”,”grage”,”orange”]
dict={“a”:”apple”, “b”:”banana”, “g”:”grage”, “o”:”orange”}
def arithmetic(x,y,operator):
   result={
      “+”:x+y,
      “-“:x-y,
      “*”:x*y,
      “/”:x/y
   }
format=”%s%d” % (str1,num)
print format
str1=”hello”
str2=”world”
result=str1+str2
word=”world”
print word[0:3]
context=”hello,world”
f=file(“hello.txt”,’w’)
f.write(context);
f.close()
class Fruit:
    def grow(self):
       print “Fruit grow”
fruit = Fruit()
fruit.grow()
class Apple(Fruit):
   def …
import os, sys
import MySQLdb
try:
    conn MySQLdb.connect(host=’localhost’,user=’root’,passwd=’’,db=’address’
except Exception,e:
    print e
    sys.exit()
cursor=conn.cursor()
sql=’insert into address(name, address) values(%s, %s)’
value=((“zhangsan”,”haidian”),(“lisi”,”haidian”))
try
    cursor.executemany(sql,values)
except Exception, e:
    print e
sql=”select * from address”
cursor.execute(sql)
data=cursor.fetchall()
if data
    for x in data:
        print x[0],x[1]
cursor.close()
conn.close()
GRUB_CMDLINE_LINUX="quiet rhgb nomodeset"
su -c 'chcon -t textrel_shlib_t /usr/lib/dri/fglrx_dri.so'
fgl_glxgears
aticonfig --odsc=GPU_CLOCK,GDDR_CLOCK
GRUB_CMDLINE_LINUX="quiet rhgb radeon.audio=1"
export PANGO_LANGUAGE=en:zh_CN

用途	net-tool（被淘汰）	iproute2
地址和链路配置	ifconfig	ip addr, ip link
路由表	route	ip route
邻居	arp	ip neigh
VLAN	vconfig	ip link
隧道	iptunnel	ip tunnel
组播	ipmaddr	ip maddr
统计	netstat	ss

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