1.1. Install MongoDB
1.2 create folder
2. Build a replica set
2.1. Build the replica set of configserver.
2.2. Build the replica set of share service
3. Build a fragment set
The environmen ...
Posted on Sat, 18 Jan 2020 03:50:25 -0500 by haixiao
Centos7 uses Yum source to install mongodb version 4.2 database
1. Modify the support of yum installation source for mongodb
Official documents available:
This month is also built with reference to official documents
Posted on Fri, 17 Jan 2020 08:08:48 -0500 by p0pb0b
Hear you want to get rich?Then calm down and take your time. Haven't you heard the famous saying: "The poor always don't want to get rich slowly."Think about getting rich overnight, what's the middle caipiao like, but how can I be so lucky?You can't get 780,000 Cai piaos like me and steal flowers yourself.
If you want to bec ...
Posted on Sat, 11 Jan 2020 12:39:42 -0500 by synapse0
Today, through the analysis of crawler data, let's take a look at the acquisition and analysis of Netease's strictly selected product reviews.
Statement: This is a super serious technical article, please read it in the attitude of learning and communication, thank you!
Online product review crawling
Analysis web page
Comment analysis ...
Posted on Mon, 06 Jan 2020 15:09:31 -0500 by DillyDong
How can Linux (CentOS 7) build mongodb stand-alone server in three minutes?
1. Basic knowledge:
1.1 what is mongodb?
Is the NOSQL database server.
1.2 how to build mongodb server?
The minimized mongodb is one machine, which is proposed as follows:
A:192.168.1.101 service port is 10001
Please refer to the detaile ...
Posted on Sun, 05 Jan 2020 22:10:16 -0500 by Tristan Wells
1. Scrapy docking Selenium
Posted on Sun, 05 Jan 2020 16:44:28 -0500 by Soumen
Update of magnetic search website on January 2, 2020
1. Page display
2. Program structure
Collect torrent data
Gather Hash information
Before installing the environment ...
Posted on Sat, 04 Jan 2020 18:57:49 -0500 by hmemnon
The purpose of the initial study of Mongo - GeoJSON is to add a search function to the front-end map service:
Target type; search scope.
This function communicates with Mongo through the front end, calculates in Mongo and returns the result to the front end, and displays in the web page. So first of all, we study the operatio ...
Posted on Fri, 03 Jan 2020 07:59:57 -0500 by Maq
As for Redis, it has been announced long ago. Like MongoDB, it is also caused by default listening to the public IP port, no authentication and using root user startup.
Prepare two machines
10.10.0.122 attack server, tester
10.0.0.91 start redis, open public network, no password, root start, default port
Generate your own pu ...
Posted on Thu, 02 Jan 2020 11:48:07 -0500 by penguinboy
2018-09-18 14:46:54.338 [http-nio-8099-exec-8] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/party-data-center] threw exception [Handler dispatch failed; nested exception is java.lang.OutOfMemoryError: GC overhead limit exceeded] with root cause
Posted on Mon, 30 Dec 2019 10:10:17 -0500 by SpaceLincoln