One, test environment
Two, configure the time synchronization of the three servers and modify the crontab to automatically synchronize with the ntp server
crontab -e */2 * * * * /u
Tag: Implementation
HeartBeat V2 CRM implements NFS-based mysql high availability cluster
Foreword
Because the built-in resource manager haresource function of heartbeat v1 is relatively simple and does not support graphical management, Therefore, heartbeat v2 no longer supports h
Heartbeat implementation web high available
heartbeat overview:
Official website: http://www.linux-ha.org/
Download heartbeat: http://www.linux-ha.org/wiki/Download
Download: The current versions are:
Heartbea
Implement HA based on HeartBeat V2 CRM by LAMP
The definition of Heartbeat
The Heartbeat project is an integral part of the Linux-HA project, and it is also the most successful example of the current open source HA project. The full name of Li
HeartBeatv2 Haresources simple implementation HTTPD service high available
Experimental environment:
Virtual machine ha1: 192.168.61.130
Virtual machine ha2: 192.168.61.132
vip:192.168.61.100
Experiment description:
ha1的 httpdServiceindex.htm
Configure Haproxy to implement load balancing
1. Introduction to haproxy
HAProxy is a free and open source software written in C language[1], which provides high availability, load balancing, and applications based on TCP and HTTP Progra
HeartBeat + CRM + MYSQLD + NFS High Available Mysql Services
Test environment:
web1: 192.168.1.111 MariaDB Heartbeat hb_gui
web2: 192.168.1.112 MariaDB Heartbeat
web3: 192.168.1.114 NFS (shared storage)
VIP: 192.168.1.150
PS: In
Building a PXE implementation automation installation system
1. PXE working principle < /p>
Ø Client toDHCP on EN-US”>PXE Server sends IP address request message,DHCP detects whether Client is legal (mainly to detect Client NIC MAC address), if legal,
Teacher IDou teaches you to learn iStio 25: How to use ISTIO to monitor and log acquisition
Everyone knows that istio can help us achieve grayscale publishing, traffic monitoring, traffic management and other functions. Each function helps us realize different businesses in different scen
Automatic update of APP via RSS
The origins
Actually, I thought about this idea as early as ten years ago when I was still working on the desktop application, and I tried it in a DELPHI program, but Because I didn’t do desktop a