net conf 2018

18.11 LVS Dr Mode construction The LVS NAT mode requires fewer public IP addresses and is suitable for up to 10 servers. Then the DR mode is more suitable for large-scale speech. (1) Prepare three machines Dispatcher, also known as the

MongoDB start multi-instance and MongoDB create Delete, backup, copy enable multi-instance creation data and log storage locations with sufficient single server resources# 数据存放位置[[email protected] ~] mkdir -p

Explanation of common modules in python 1. Explanation of python modules 1.Time Module Import times = time. localtime () # convert the time to the formatted time. get the time in struct_time format, such as year, month, and day. struct_time (maid = 2

18.11 LVS Dr Mode Setup (recommended)Dr Mode Setup – Preparation workThree machinesDispatcher, also known as the Scheduler (dir)133.130Rs1133.132Rs2133.133Vip133.200Dr Mode SetupDir writes script vim/usr/local/sbin/lvs_dr.sh//content as follows#!

1. What are the file management commands on Linux, their common use methods and their related examplesTouch: Create file and Refresh TimestampTouch [OPTION]. FILE:"1" touch-c file name: Refreshes the timestamp of the file if the file already exists,

18.6 Load Balancing Cluster introduction主流开源软件LVS、keepalived、haproxy、nginx等其中LVS属于4层（网络OSI 7层模型），nginx属于7层，haproxy既可以认为是4层，也可以当做7层使用keepalived的负载均衡功能其实就是lvslvs这种4层的负载均衡是可以分发除80外的其他端口通信的，比如MySQL的，而nginx仅仅支持http，https，mail，haproxy也支持MySQL这种相比较来说，LVS这种4

LNMP Environment installation 1. Install dependent dependencies Use the Yum program to install the required development Kit (the following is the standard RPM package name) yum Install gcc gcc-c++ gcc-g77 Flex Bison autoconf Automake bzip2-devel

About Orange Orange is a openresty-based API Gateway. In addition to the basic functions of nginx, it can also be used for API monitoring, access control (authentication, WAF), traffic screening, access speed limit, AB test, dynamic shunt

The purpose of this article is to adjust the unix ip stack to effectively prevent multiple types of attacks today. Describes the Recommended settings of network services such as HTTP or routing in Some UNIX service systems. Including the following

Personal habits to put the source package under opt1. Installing the JDKThe JDK is the Java operating environment, the entire Jenkins is a var package, is written by Java program.1.1. Install via YumA. Install Yum:#yum Install wgetDownload in opt