[Load Balancing LVS Series III]-High Availability LVS+KeepAlived Cluster

In the first two articles in this series, we fully understand LVS and configure a simple DR-LVS cluster. In order to improve the high availability of the cluster, add back-end detection function and simplify configuration, KeepAlived is introduced into the cluster. KeepAlived Introduction to Keep Alived KeepAlived was originally designed for LV ...

Posted on Wed, 21 Aug 2019 04:23:09 -0700 by GBahle

Python Grabs Stock Data of Securities Star

Links to the original text: https://www.jianshu.com/p/85d52ecfb529 Data acquisition is an indispensable part of data analysis, and web crawler is one of the important channels for data acquisition. In view of this, I picked up Python as a sh ...

Posted on Mon, 19 Aug 2019 00:58:37 -0700 by Grunge

web crawler explanation-urllib library crawler-actual crawler search dog Wechat public number-package software installation Fiddler 4 explanation

Packaging module #!/usr/bin/env python # -*- coding: utf-8 -*- import urllib from urllib import request import json import random import re import urllib.error def hq_html(hq_url): """ hq_html()Encapsulated crawler functions that automatically enable user agents and ip agent //Receive a para ...

Posted on Mon, 12 Aug 2019 06:16:15 -0700 by stenk

prometheus Remote Storage--kafka

prometheus remote storage Configuration of experimental system mac 10.14 docker Engine: Version: 18.09.2 API version: 1.39 (minimum version 1.12) Go version: go1.10.6 Git commit: 6247962 Built: Sun Feb 10 04:13:06 2019 OS/Arch: linux/amd64 Experimental: false Deploying pseu ...

Posted on Sun, 21 Jul 2019 23:54:53 -0700 by Paulus Magnus

react to vue - Web pack compression package vue project (3)

Learn the third part of vue, add the following functions: 1. Add packaging function; 2. Separation of css and js; 3. Increase vue-devtools; 4. Adding song list components. This update does not do much, mainly the operation of the release and the management of the vue development tools. 1. Add Packaging Function The webpack packaging project on ...

Posted on Sat, 06 Jul 2019 15:30:25 -0700 by jipacek

Compiling FFMpeg (Android Studio) under Mac

Recently, I want to carefully study the company's push stream and the underlying code of the player, but I am doing Java c is not a special understanding, there is no way, step by step. In fact, the configuration of NDK is very simple. I won't dwell on it here. There are many posts about Dashen on the internet. In fact, there are several step ...

Posted on Thu, 04 Jul 2019 13:47:54 -0700 by slipster70

Product Manager Python: Parametric Transfer

This is the fifth article on Python. It mainly introduces how to pass parameters and how to design its own functions. (1) This paper mainly introduces two methods of parameter transfer. Location parameters When calling a function, parameters are passed according to the position of parameters defined by the function. 1 def right_triangle_area(a ...

Posted on Wed, 03 Jul 2019 14:24:38 -0700 by derrtyones

Detection Method of Signature Errors in ECS API

The Generation Method of Signature The parameters submitted in get (all parameters except aks) are combined into a string according to a certain composition rule. The stringToSign is composed of GET &/& and then HMAC calculation is done for StringToSign. The key calculated by using Access Key Secret + a "&" number is HMAC. ...

Posted on Tue, 02 Jul 2019 11:50:01 -0700 by djjamiegee

Tensorflow implements Android mobile end modeling

Summary With the wide application of in-depth learning and the open source of Tensoflow, there are endless model applications on the mobile side.This paper introduces the author's experience in the construction process, and hope to help you. Installation of Mac-side Tensorflow CPU version If you are not using a good GPU, you can insta ...

Posted on Tue, 02 Jul 2019 10:11:15 -0700 by jalapena

Linux System Management Fifth Week Job [Linux Micro Job]

1. Describe the functions, usage scenarios and differences of bridges, hubs, Layer 2 switches, Layer 3 switches and routers.Network Bridge: Working in the second layer of data link layer of OSI model, it is mainly used to connect two local area networks (LAN) and forward frames according to MAC address. It can effectively connect two local area ...

Posted on Mon, 24 Jun 2019 13:56:46 -0700 by zonkd