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Http://www.chinaunix.net/old_jh/24/691456.htmlhttp://wenku.baidu.com/view/ebac4fc658f5f61fb736664d.html awk usage: awk 'pattern {action }' Variable name meaning Number of argc command line Variables Argv command line meta Array Filename current

1. Import tensorflow Import tensorflow as TF Ii. Define a computing Diagram (1) constant Initialization Constant_name = TF. Constant (value) (2) variable Initialization Create variable: Name_variable = TF. Variable (value, name) Initialization of

#! /Bin/bashIP = $ (ip A | grep "Inet" | awk '{print $2}' | awk-F/'{print $1}' | grep-V 127.0.0.1 | awk' begin {rs = '\ n'} {$1 = $1; print $0} '| SED's //,/G') # retrieve all IP addresses except 127.0.0.1 and separate them with commas (,).Hostname =

System connection status: 1. View TCP connection status Netstat-nat | awk '{print $6}' | sort | uniq-c | sort-rnnetstat-n | awk '/^ tcp/{++ S [$ NF]}; END {for (a in S) print a, S [a]} 'or netstat-n | awk'/^ tcp/{++ state [$ NF]}; END {for (key in

I helped my friend maintain the server of his website. Recently, the traffic surge and the server pressure surge. Let's look at the nginx log. There are a large number of POST requests for several specific php requests. One IP address will POST four

During the internship, a brother of the server asked me to help tidy up the log data of the server, and finally I used Python to extract the data and export it in Excel format. Below is my python implementation of the source code, you can

An unsolved problem-general Linux technology-Linux programming and kernel information. The following is a detailed description. Author: Deng The cause of the problem is as follows: in the first item of/etc/fstab of ubuntu, the UUID = ××××× format

1. view TCP connection status netstat-nat | awk & #39; {print $6} & #39; | sort | uniq-c | sort-rnnetstat-n | awk & #39; /^ tcp/{++ S [$ NF]}; END {for (ainS) printa, S [a]} & #39; or netstat-n | awk & #39;/^ tcp /{ 1. View TCP connection

This article mainly introduces the use of the for loop in Python, from the technical documentation on the IBM official website. for more information, see For loop The article "explore Python, Part 1: Program with Python" in the previous sections of

Transferred from Sir Zhang's blog: http://freeze.blog.51cto.com/1846439/829728System Connection Status Chapter:1. View TCP connection Statusnetstat -nat |awk ‘{print $6}‘|sort|uniq -c|sort -rn netstat -n | awk ‘/^tcp/ {++S[$NF]};END {for(a in S)

ObjectiveWhenever reading, or learning a technology, you have to ask yourself the following questions. What is it? What's the use of it? /invented it to solve what problem? What is the disadvantage of it? I'm going to try to

Tcpdump is a packet analysis tool that intercepts packets on the network according to user definitions. Tcpdump can completely intercept the "header" of the packets transmitted in the network for analysis. It supports filtering network layer,

This is a creation in Article, where the information may have evolved or changed. Arrays and strings are value types, slices, mappings, channels are value types, and assignments need to be noted. 1 Package Main2 3 Import (4 "FMT"5 )6 7 Func Main

A column in a linux file and a linux file are used as conditions to sum a field. The first method is www.2cto. com01 #! /Bin/bash020304filenamesp. user05cat $ filename | awk & amp; #39; {print $1 & quot; $2 & quot; $3} & amp; #39; A column in a

The following small series will bring you a python script to export data in Excel format (recommended ). I think this is quite good. now I will share it with you and give you a reference. Let's take a look at the small Editor. during my internship,

1. check whether webshell Trojans are placed in the root directory of the site. determine if they are PHP Trojan scripts based on the statement # find/storage/www/-name & quot ;*. php & quot; | xargsgrep-in -- color & quot; eval (& quot; # grep-I --

1. check whether webshell Trojans are placed in the root directory of the site. determine if they are PHP Trojan scripts based on the statement # find/storage/www/-name & quot ;*. php & quot; | xargsgrep-in -- color & quot; eval (& quot; # grep-I --

The netstat command and log analysis command are used as the computer administrator. we all need to know about the netstat command. it is a tool used to check the network connection status. This tool is also available in windows by default. The

2. Detailed Network connection StatusA total of 12 possible states, the first 11 are based on the TCP connection established three handshake and the TCP connection broken four wave process to describe.1), LISTEN: First, the server needs to open a

" " seek the 1+2!+3!+...+20! and. "l=range (1,21)def op (x): R=1 for in Range (1,x +1): R*=Ireturn rs# Note Map operation print( "1!+2!+3!+...+20!=%ld"% (s))Map () is a Python built-in high-order function that receives a function f and a list,