Programming VIP

1, Overview of dynamic and static separation Static and dynamic separation is to separate the static resources (HTML, JavaScript, CSS,img and other files) of the website from the background application, improve the speed of users' access to static code, and reduce the access to the background applic ...

1, Set up each node of the cluster Prepare five nodes, which are: 192.168.154.150 192.168.154.151 192.168.154.152 192.168.154.153 192.168.154.155 For the convenience of operation, only the first three nodes are prepared here Construction of rabbitmq cluster image mode 1) Stop each node servi ...

brief introduction cobra Is a command itinerary library, can be used to write command-line programs. It also provides a scaffold, Used to generate cobra based application framework. Many well-known open source projects use cobra library to build command line, such as Kubernetes,Hugo,etcd Wait, wait, wait. This paper introduces the basic use of ...

Article directory Preface: 1, Overview of enterprise cluster application 1.1 basic overview of cluster 1.2 enterprise cluster classification 1.3 analysis of load balancing cluster working mode 1.3.1 NAT mode 1.3.2 TUN mode IP Tunnel 1.3.3 DR mode 1.4 load balancing cluster architecture 1.53 about ...

Overview of fastDFS _FastDFS is an open source, lightweight, distributed file system, which manages files, including file storage, file synchronization, file access (file upload, file download), etc. It solves the problems of mass storage and load balancing.It is especially suitable for online services with files as carriers, such as photo al ...

  1, centos6 start management   1.1 significance of operation level   1.2 view operation level [root@localhost log]# runlevel 3 5     //It means 5 at present, 3 before. If it's N, it means direct power on to enter 5   1.3. Set the default startup operation level [root@localhost log]# vim /etc/inittab     2, S ...

Single master model IPVS example Configure keepalive Example of highly available ipvs cluster: modifying the keepalived configuration file Modify the keepalived configuration file of the host: 192.168.234.27 1 [root@234c27 ~]# vim /etc/keepalived/keepalived.conf 2 ! Configuration File for keepalived 3 4 global_defs { 5 notification_ ...

background The business purpose is to analyze the daily logs generated by nginx and apache, monitor the url, ip, rest interface and other information, and send the data to the elastic search service. Contrast flume No repeated consumption, no data loss At present, flume supports hdfs better (personal understanding) Off line installation Java ...

Nginx access log 1. Open the configuration file and search for log? Format vim /usr/local/nginx/conf/nginx.conf 2. Meaning of common variables in access log $remote_addr: client IP (public IP) $HTTP "X" forwarded "for: IP of proxy server $time_local: server local time $host: access host name (domain name) $request_uri: url add ...

Docker officially encapsulates the warehouse as an image. You can deploy the warehouse directly by starting the container Experimental environment Physical machine 172.25.41.250 I. warehouse authentication mechanism 1. certificate [root@foundation41 docker]# docker run -d --restart=always --name registry -v ` ...