Programmer Think

1. Preparatory work Operating environment: Test environment: Operating system: Centos7cpu: Quad CoreMemory: 4Gdocker version: 20.10.8 Jianmu CI version: v2.0.0 2. How to install Jianmu CI Use docker compose for deployment. For detailed instructions on how to use docker compose, please refer to the official docker document: https://docs.d ...

Earlier, we introduced the basic concepts of Prometheus, including data format and PromQL syntax. In this section, we will explain how to realize host monitoring through Prometheus. Prometheus uses various exporters to monitor resources. The Exporter can be regarded as the agent side of monitoring. It is responsible for collecting the indicato ...

Last article We tried to use terraform to create and manage AWS Lightsail resources in the local environment. For managing some cloud resources, we need to install the corresponding cli tools locally and configure the credentials for accessing the corresponding cloud resources (such as AWS CLI, AccessKeyID, etc.). Terraform manages the status o ...

1. Process and memory management Kernel functions: process management, memory management, file system, network function, driver, security function, etc 1.1 what is a process Process: a copy of a running program, a collection of instructions loaded into memory, and a unit of resource allocation The Process ID (PID) number is used to mark ea ...

7.9 examples Example: generate 10 random numbers, save them in the array, and find their maximum and minimum values [root@rocky8 ~]# vim max_min.sh #!/bin/bash # #********************************************************************************************** #Author: Raymond #QQ: 88563128 #Date: 2021-10-22 #FileName: ...

1. Disk structure 1.1 equipment documents Everything is a file: open(), read(), write(), close() Device file: associated with a device driver, which can communicate with the corresponding hardware device Equipment number: Main equipment number: major number, which identifies the equipment typeSecondary equipment number: minor number, which ...

preface This is the sixth chapter of Kubernetes. We must build up the environment. It seems that we can't solve the problem. We must fight in practice. Kubernetes series: Introduction to Kubernetes Kubernetes environment construction Introduction to kubernetes kubectl Kubernetes pod Introduction (-) Introduction to kubernetes pod (II) - ...