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Python crawler: Auto-voting code (auto-crawl proxy IP)

#!/usr/bin/env python#Coding=utf-8#Dairu#http://www.linuxyw.comImportReImportRandomImportSYSImport TimeImportdatetimeImportThreading fromRandomImportChoiceImportRequestsImportBS4defget_ip ():"""Get proxy IP"""URL="Http://www.xicidaili.com/nn"Headers= {"Accept":"Text/html,application/xhtml+xml,application/xml;", "accept-encoding":"gzip, deflate, SDCH", "Accept-language":"zh-cn,zh;q=0.8,en;q=0.6", "Referer":"http://www.xicidaili.com", "us

Simple Firewall construction and traffic statistics

data source to temporarily stop sending packets ).ICMP does not have a port, but it still has its option parameter that can be used to select the ICMP type.You can specify the ICMP name or number (you can execute ipchains-h icmp to list detailed names ).5.4 specify UDP and TCP portsIP address of the specified source and destination-s-d:There are three types of representation: Source (-S) and destination (-d:Use the complete primary name, for example,

Chapter 1 Overview-Reading Notes and 1-Reading Notes

. IPv4 is not enough, which means that each computer cannot be divided into unique IP addresses, but science and technology are the first productivity. You know there is always a solution, such as dividing subnets, DHCP is used to relieve the pressure on the IP address, but this is not fundamental. It is simply because the implementation and development of IPv6 can fundamentally solve this problem, provide enough IP addresses to every terminal connected to the Internet in the world.The best thin

Comprehensive experiment of Web service architecture

Nginxecho "Nginx Server Page" >/usr/share/nginx/html/index.htmlCurl 192.168.10.71##################################2. Add an LVS dispatch server, a total of 4 hosts, and modify the IP address as followsApache Server ip:10.71Nginx Server ip:10.72Lvs,nginx Proxy Server ip:10.73,80.162Client ip:10.74Apache Server configuration:Ifdown eth1//Close other portsIP route add default via 192.168.10.73//Add the defaults route to LVsIP routeDefault via 192.168.1

Summary of the usage of gadgets under Linux

represents DettachCTL + B +%, create a pane (pane) in Vertical splitCTL + B + ", created in horizontal splitCTL + B + arrow keys, Toggle PaneCTL + B Press and hold the + arrow key to resize the paneCTL + B + [, view or copy the contents of the previous output (note: Tmux does not have scroll bars, so this feature is more important for viewing the content of the output than one screen)Tmux List-panes View the current session paneTmux kill-pane-t Pane_name closes a pane, where Pane_name is the na

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