Hadoop Learning Notes - Environment setup, step by step, starting with creating a Linux system!
Hadoop environment (for learning purposes only, please specify the source for reprinting) Running environment: VMWare, CentOS7, JDK1.8, Hadoop2.7.3 A download address for the package is provided at the end of the article. 1.Creating a Linux System with VMware Click File-New Virtual Machine-DefaUTF-8...
Posted by rwoods on Thu, 23 Sep 2021 23:21:07 +0530
C/C + + thread pool class encapsulation (core and non core threads - object-oriented methods) learning records
C/C + + thread pool class encapsulation (core thread and non core thread - object-oriented method) 1, Optimization made The previous post on thread pool encapsulation is just to keep blocking and waiting for tasks after the specified worker thread is created. It is relatively simple. Now let's UTF-8...
Posted by NNTB on Sun, 10 Oct 2021 20:34:02 +0530
Processing HTTP requests in webserver
preface This blog records the learning of TinyWebServer project and makes some changes according to your understanding. Original project address: https://github.com/qinguoyi/TinyWebServer Test effect Let's play a wave of renderings first HTTP request HTTP GET request line content. The first linUTF-8...
Posted by DssTrainer on Thu, 14 Oct 2021 12:23:21 +0530
Network attack and defense ｜ how to hide your CobaltStrike server
Author: overture Disclaimer: This article is only for study and research. It is strictly prohibited to engage in illegal activities. Any consequences shall be borne by the user himself. 0x00 Preface This paper provides several methods to hide the cs server and reduce the probability of discoverUTF-8...
Posted by Lol5916 on Wed, 20 Oct 2021 22:58:29 +0530
LVS load balancing cluster
preface In various Internet applications, as the site has higher and higher requirements for hardware performance, response speed, service stability and data reliability, it will be difficult for a single server to bear all access (i.e. the requirements of load balancing and high availability)UTF-8...
Posted by jax_15 on Thu, 21 Oct 2021 00:11:31 +0530
LVS load balancing cluster (NAT - DR - KEEPALIVED)
1, Cluster 1. Meaning of cluster ① Cluster, cluster, cluster ② It is composed of multiple hosts, but it is only a whole. It only provides an access entry (domain name and IP address), which is equivalent to a mainframe computer. 2. Current issues In Internet applications, with the increasing reUTF-8...
Posted by EATON106 on Thu, 21 Oct 2021 21:41:13 +0530
keepalived for high availability of httpd servers
Introduction to keepalived The Keepalived software was originally designed for LVS load balancing software to manage and monitor the status of service nodes in the LVS cluster system, and later added VRRP functionality that enables high availability. Therefore, in addition to managing LVS softwUTF-8...
Posted by imranlink on Fri, 22 Oct 2021 01:02:15 +0530
The ftp protocol and ftblib module of Python protocol programming realize the operations of uploading, downloading and server file directory
preface Over the past few years, I have been struggling in the it industry. Along the way, many have summarized some high-frequency interviews in the python industry. I see most of the new blood in the industry, and I still have all kinds of difficult questions for the answers to all kinds of iUTF-8...
Posted by Pandolfo on Fri, 22 Oct 2021 14:46:43 +0530
< 8 > software management in Linux 2021-10-17
1, Types of software packages in Linux 1.DEB #UBlinux DEBlinux 2.RPM #redhat centOS fadora 3.bz2|gz|xz 1. The source code needs to be installed and compiled 2. Green software, directly available Note: only green software, source code compilation software and rpm software can be used in rhel8 2,UTF-8...
Posted by realnsleo on Fri, 22 Oct 2021 19:54:11 +0530
Remember a deployment problem. (service startup is slow and random numbers cause problems)
The server: 1. If the databases connected to your three services, redis, etc., are different, it is a single server multi application During deployment, you may distinguish three services according to the configuration file. There are three external services, and the total is three All differenUTF-8...
Posted by latvaustin on Sat, 23 Oct 2021 08:02:08 +0530