Huawei firewall dual hot standby (VRRP+VGMP+HRP)

If only one device is deployed on the key nodes of the network, no matter how high its reliability is, the system must bear the risk of network interruption caused by single point failureThe firewall is generally used as the exit from the internal network to the external network, and it is the equipment ...

Posted on Fri, 21 Feb 2020 03:31:59 -0500 by tylerdurden

Apache Service Deployment--Learn Notes

This experiment environment is redhat7.0 system, all experiments are from "linux should learn like this"The apache program is one of the web service programs currently with a high market share. It is recognized for its cross-platform and security, and has fast, reliable and simple API extensions. Its name is taken from Native America ...

Posted on Thu, 20 Feb 2020 15:17:54 -0500 by ant peacocke

# IT Stars Are Not Dreams# MMM for MySQL High Availability Clusters

MMM for MySQL High Availability Cluster 1. Introduction to MMM MMM is Multi-Master Replication Manager for MySQL (mysql multiple master replication manager), which is based on perl.A scalable suite of scripts for monitoring, failover, and management of MySQL master replication configurations (only one node can be written at any time) and MMM ...

Posted on Thu, 20 Feb 2020 11:43:56 -0500 by gothica

Building Web cluster with Haproxy

Building Web cluster with Haproxy 1: Common Web Cluster scheduler The Web Cluster scheduler is divided into software and hardware. The software usually uses open-source LVS, Haproxy and Nginx; the hardware generally uses more F5. 2: Application analysis of Haproxy Haproxy is a software that can ...

Posted on Thu, 20 Feb 2020 06:50:44 -0500 by broheem

CentOS 6.8 build hadoop cluster

CentOS 6.8 build hadoop cluster 1. Prepare a clean CentOS 6.8 virtual machine 2. Turn off the firewall 1. Temporarily close the firewall service iptables stop 2. Turn off firewall self startup chkconfig iptables off 3. View firewall status service iptables status 3. Set static ip vim /etc/sys ...

Posted on Thu, 20 Feb 2020 02:33:01 -0500 by igorek

# IT Stars Are Not Dreams#MySQL High Availability Clusters for High Availability Based on MyCat Deployment HaProxy

Deploying HaProxy based on MyCat for high availability In a real project, the Mycat service also needs to consider high availability. If the server Mycat is on is down or the Mycat service fails, it needs a standby machine to provide service and the Mycat cluster needs to be considered. 1. High Availability Scheme You can use HAProxy+Keepal ...

Posted on Tue, 18 Feb 2020 11:13:15 -0500 by Bunyip

mysql high availability - MMM architecture deployment

mysql high availability architectures include MHA, mmm, PXC, MGR, etc. among them, the data consistency of MHA and MMM is worse than that of PXC and MGR, because PXC and MGR are strong consistency, and the implementation principle is not introduced here. This blog mainly writes down MMM high availability architecture. Mmm is based on perl. It ...

Posted on Tue, 18 Feb 2020 04:15:18 -0500 by thessoro

Linux SSH port security settings (server setup)

I installed cent os7 on my old DELL computer as a normal development server. In the home LAN, we still need to pay attention to the security. Like the online server, if we modify the common port, we can greatly reduce the risk of malicious violent solution. After all, after the port is no longer a common port, the general viole ...

Posted on Sat, 15 Feb 2020 14:36:45 -0500 by mega77

Record the installation steps of Docker MySQL for the local virtual machine

After the local virtual machine installs the Docker environment, execute the Docker run - ITD -- name taoqiansheng-mysql5.7 - V / opt / data / MySQL /: / var / lib / MySQL - P 3306:3306 - e MySQL ﹐ root ﹐ password = admin123 - D MySQL: 5.7 command, Download MySQL image from official warehouse, In ...

Posted on Sat, 08 Feb 2020 07:53:32 -0500 by tcorbeil

kubernetes load balancing deployment

(next to the previous article, kubernetes multi node deployment) k8s deployment planning (load balancing deployment): load balancing Nginx1:192.168.35.104/24 Nginx2:192.168.35.105/24 Master node master1:192.168.35.100/24 master2:192.168.35.103/24 Node node node1: 192.168.35.101/24 node2: 1 ...

Posted on Sat, 08 Feb 2020 07:12:35 -0500 by oneday