Programmer Think

1, Introduction to Rancher Rancher is a container management platform that helps organizations deploy and manage containers easily and quickly in a production environment. Rancher can easily manage kubernetes in various environments, meet IT needs and support DevOps teams. Kubernetes has not only become the standard for container orchestratio ...

1, Experimental description         The common attack method of buffer overflow is to overwrite the return address of the vulnerable program with the address of shellcode, so that the vulnerable program can execute the shellcode stored in the stack. In order to prevent this type of attack, some operating ...

Directory processing command ls LS (English meaning list) is used to view the files in the directory. The basic format is LS - parameter option; It should be clear that the parameters and options behind the LS command are optional. It is OK to directly execute ls. The main function of parameters and options is to adjust the command function ...

Reference materials: Bird brother's Linux private dishes: Basic Edition, Liu Chao's interesting talk about Linux operating system, UNIX/Linux system management technical manual, 4th Edition, in-depth understanding of Linux kernel, 3rd Edition, advanced programming in UNIX environment, 3rd Edition, Linux kernel source code scenario analys ...

Overview of Docker Why does Docker appear? One product: development-online environment! Application Environment, Application Configuration! Development - Operations and Maintenance. Question: I can run on my computer! Version update, rendering the service unavailable! For operations and maintenance, the test is very big? Environment con ...

Catalog 1. Establishment of private warehouses 1. Download Private Warehouse 2. Download Mirror 3. Configure docker engine terminal 4. Mount containers and Daemons 5. Mirror Upload Mirror Warehouse 6. Private Warehouse Download 2. Cgroup Resources 1.CPU Usage Control 2. Test cpu and memory usage with stress test tool 3.Cgroups-Priori ...

The notes are to learn and record according to the video of UP master linux super brother in station B. if there are mistakes and omissions, those in a good mood can point out them. https://www.bilibili.com/video/BV1yP4y1x7Vj?spm_id_from=333.999.0.0  Machine environment preparation: 2C4G virtual machine host nameNode iproleDeploy component ...

Zabbix is a network monitoring and management system developed by Alexei Vladishev, which is based on server client architecture. It can be used to monitor the status of various network services, servers and network machines. Zabbix can be said to be one of the software that operation and maintenance personnel must master. The installation st ...

1, Zabbix 1. Necessity of monitoring system As an O & M, you need to be able to use the monitoring system to view the server status and website traffic indicators, and use the data of the monitoring system to understand the results published online and the health status of the website. 2. Function of monitoring software With an ex ...

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 ...