In the previous section, I probably talked about the Python crawler's writing process, starting with this section to focus on how to break the limit in the crawl process. For example, IP, JS, verification code and so on. This section is mainly about leveraging IP proxy breakthroughs.1. About the agentSimply put, the agent is a change of identity. One of the ident
From the Blogjava an article, wrote a good, original address:
Http://www.blogjava.net/Alpha/archive/2006/07/12/57764.html?Pending=true#Post
In many applications may have to the user's real IP records down, at this point to get the user's real IP address, in the JSP, obtain the client's IP address method is:request.getremoteaddr (), this method is effective in mo
When switching between different network environments, You need to manually modify the IP address and IE proxy settings, which is complicated. You can write the corresponding bat batch processing script to automatically complete the configuration and achieve one-click switching. The following is an example:
@ Echo off: Echo set IP...: netsh interface
":
1. In the browser
input:192.168.0.1 Press ENTER, in the jump page click " static IP"
192.168.0.1 not open? Please click this link
Once the settings are complete, you can browse the Web page.
Warm tip : If there are other computers need to surf the Internet, direct the computer to the router
123 arbitrary free Inter
> Record a more complete crawler-forbidden processing via IP pools
Class Httpproxymiddleware (object): # Some anomalies are summarized Exceptions_to_change = (defer. Timeouterror, Timeouterror, Connectionrefusederror, Connecterror, Connectionlost, Tcptimedouterror, ConnectionDone def __init__ (self): # link Database decode_responses set out encoded as str Self.redis = Redis.from_url (' redis://: your password @l ocalhost:6379/0 ', decode_responses
Linux System Dynamics IP acquisition and Static of addresses IP configuration of the addressToday in Linux The system has done the following experiments in this experiment encountered in the knowledge points and the experimental process is as follows#- 1 . Broadcast protocol options [Bcast] broadcast specify IP
Nginx default configuration file is not in the log forwarding configuration, this requires our own manual to operate, and then the end of real server different operating methods are not the same, here we give a few examples to illustrate.
Nginx do front-end, forward log to back-end Nginx server:
Because the needs of the architecture of multi-level Nginx reverse proxy, but the backend program to obtain the client
Set a static IP address for the machine under Linux:Vim/etc/sysconfig/network-scripts/ifcfg-eth0Modify the contents of this file in the following form:# Intel Corporation 82541GI Gigabit Ethernet ControllerDevice=eth0bootproto=static #为静态的Hwaddr=00:15:17:b2:dc:b5Onboot=yesIpaddr=10.20.134.199 #这个是设置的静态IP地址netmask=255.2
Here is an example of a proxy server crawling the http://www.proxy.com.ru site, with the following code:
#!/usr/bin/env python#coding:utf-8import urllib2import reimport threadingimport timeimport MySQLdbrawProxyList = [] Checkedproxylist = [] #抓取代理网站targets = []for i in Xrange (1,42): target = r "http://www.proxy.com.ru/list_%d.html"% i Targ Ets.append (target) #抓取代理服务器正则p = Re.compile (R ' "(\d+) (. +?) (\d+) (.+?) (.+?)") #获取代理的类class Proxyget (th
In Linux, IP addresses are classified into "Dynamic IP" and "static IP". Dynamic IP addresses are automatically cleared when the machine restarts, while static IP addresses are always b
First of all, let's keep you waiting. Originally intended to be updated 520 that day, but a fine thought, also only I such a single dog still doing scientific research, we may not mind to see the updated article, so dragged to today. But busy 521,522 this day and a half, I have added the database, fixed some bugs (now someone will say that really is a single dog).Well, don't say much nonsense, let's go into today's theme. On two articles scrapy climbed beautiful pictures, we explained the use of
eth0.6. Reboot the system.[[emailprotected] ~]# ip a1: lo: Change dynamic IP to static IP under LinuxI need to change IP to 192.168.24.1301. View the gateway address, mine is 192.168.24.2[[emailprotected] ~]# route -nKernel IP ro
:
ArgumentException: The Host header cannot be modified directly.
Can we still meet the above requirements? The answer is yes, but the method should be changed:
The Url still uses the Domain Name:
Http://xxx.com/
Set the Proxy attribute of HttpWebRequest to the IP address you want to access, as follows:
HttpWebRequest. Proxy = new WebProxy (
When Linux is installed on VMware, the default set of dynamic IP, each start of the IP is different, remote connection is very laborious.So, you need to set a static IP, at least I am more convenient to connect from the remote tool. In addition, in order to install some software, also need to access the Internet.> Rele
Python crawler practice (1) -- real-time access to proxy ip addresses and python Crawlers
It is very important to maintain a proxy pool during crawler learning.
Code for details:
1. runtime environment python3.x, requirement Library: bs4, requests
2. Capture the proxy ip add
After nginx reverse proxy, all the IP addresses obtained in the application are the IP addresses of the reverse proxy server, and the obtained domain name is also the Domain Name of the URL configured by the reverse proxy, you need to add some configuration information in th
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