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1, Experimental environment 1. Node rule IP addressHost nameNode description192.168.18.8masterdbDatabase master node192.168.18.18nginxnginx server node192.168.18.88slavedbDatabase slave node192.168.18.188phpPHP environment node 2. Node service installation (1) Deploy and configure the distributed master-slave database server. See: CentOS8 d ...

preface Environment: CentOS 7 0 zabbix-server5. four point three In this chapter, we will first look at how to create monitoring items and graphics, and then create custom monitoring items according to the requirements of the host. Create monitor item After selecting a host, select Create monitoring item, as shown below: Then select a key v ...

1. redis master-slave replication 1.1 problems Specific requirements are as follows: Configure the host 192.168.4.51 as the master serverConfigure the host 192.168.4.52 as the slave server of 192.168.4.51Test configuration 1.2 scheme Deploy the redis master-slave replication structure and the host role, as shown in figure-1: Figure ...

1. Prepare the virtual machine environment 1.1 problems This case requires the preparation of virtual machine environment. The specific requirements are as follows: Configuring the YUM source server on the springboardPrepare virtual machine master experiment environmentMinimum configuration: 2cpu, 2G memoryUninstall firewall firewalld- ...

1. Install Logstash 1.1 problems This case requires: Create a virtual machine and install logstashMinimum configuration: 2cpu, 2G memory, 10G hard diskVirtual machine IP: 192.168.1.47 logstash 1.2 steps To implement this case, you need to follow the following steps. Step 1: install logstash 1) Configure the host name, ip and yum so ...

1. Upgrade the website operation platform 1.1 problems The specific configuration is as follows: Clear current configurationDeploy LNMPTest configuration 1.2 steps To implement this case, you need to follow the following steps. Step 1: clear the current configuration 1) Stop Web Service [root@web33 ~]# /usr/local/tomcat/bin/shutdo ...

1.1 operating system Operating System (OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on the "bare metal". Any other software can run only with the support of the Operating System. Operating system classification: Windows operating ...

I Linux IP address configuration Acquisition method - automatically acquire and specify IP The first method: automatic acquisition Note: after logging in, set automatic ip acquisition through system settings Features: linux will automatically obtain ip after startup. The disadvantage is that the ip address automatically obtained each tim ...

Background; Another experience of abandoning windows The main reason is that the host is old and used for another host. I installed rocky linux directly. Personally, it's ubuntu appropriate. But I am a standard centos user. Just in time for the curtain call of centos. By the way, experience rocky linux, the father of centos! The process of ins ...

1. Add data to the table 1.1 problems Insert data into the employees tableInsert data into the salary tableThe inserted data needs to be commit ted to the database 1.2 steps To implement this case, you need to follow the following steps. Step 1: PyMySQL installation Install gcc. Some software packages are the source code of C [root ...