Programmer Group

Common CNI network plug-ins include the following: Flannel: Provides network plug-in for overlay network for Kubernetes. Based on TUN/TAP tunneling technology, uses UDP to encapsulate IP messages to create overlay network. Maintains network allocation with etcd. Disadvantage: Unable to support network policy access control.Calico: A three-tier ...

Experimental environmentSimulate 6 servers with 2 servers (add network card) Primary server Redis1:ens33: 192.168.52.150ens36: 192.168.52.153ens37: 192.168.52.154From server Redis2:ens33: 192.168.52.148ens36: 192.168.52.155ens37: 192.168.52.156 Install Redis on both servers [root@localhost ~]# yum install gcc gcc-c++ make -y ##Install envir ...

1, Introduction to Docker swarm Docker swarm and docker-compose In the same way, it is the official docker container choreographer. But the difference is that Docker Compose is a tool to create multiple containers on a single server or host, while Docker Swarm can create container cluster services on multiple servers or hosts. Obviously, Docke ...

The introduction of Nginx dynamic and static separationNginx has a strong static processing ability, but its dynamic processing ability is not enough. Therefore, the dynamic static separation technology is often used in enterprisesDynamic and static separation for PHP Static page to Nginx Dynamic page to PHP-FPM module or Apache processingIn ...

Overview of Memcached An Open Source High Performance Distributed Memory Object Cache SystemAll data is stored in memorySupports data of any storage typeSpeed up Web site access Memcached Caching Mechanism When a program writes a cache data request, the API interface of Memcached routes the KEY input routing algorithm module to a service in ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...

Nginx is a lightweight web server, reverse proxy server. Compared with Apache and lighttpd, it has the advantages of less memory and higher stability. Its most common use is to provide reverse proxy services. 1. Installation package compilation and installation 2.yum source installation 3. Use docker to install You need to confi ...

Experimental environment squid server ens33:192.168.13.184 ens36:192.168.10.1 (host mode only) web server 192.168.13.151 client 192.168.10.10 (host mode only) I. ACL access control 1. Modify the configuration file on the squid server [root@squid ~]# vim /etc/squid.conf ##Modify profile # should be allo ...

I. build lvs cluster of DR mode Environment: DS: 192.168.4.53 VIP: 192.168.4.100 RS: 192.168.4.51 192.168.4.52 1. Establish three experimental machines and configure ip and yum warehouses 2. Configure VIP on DR [root@53 ~]#cp /etc/sysconfig/network-scripts/ifcfg-eth0 {,:0} [root@53 ~]#vim /etc/sysconfig/network-scripts/ifcfg-e ...