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summary:Taints are key value attribute data defined on the node, which is used to make the node refuse to run Pod scheduling on it, unless the Pod object has the tolerance of accepting node taints. Tolerance tolerances are key value attribute data defined on the Pod object, which is used to configure its tolerable node stains, and the scheduler ...

1. Delete 0 byte file find -type f -size 0 -exec rm -rf {} \; 2. View process Sort by memory size PS -e -o "%C : %p : %z : %a"|sort -k5 -nr 3. Sorted by CPU utilization from large to small ps -e -o "%C : %p : %z : %a"|sort -nr 4. Print the URL in the cache grep -r -a jpg /data/cache/* | strings | grep "http:" | awk -F'http:' '{print "ht ...

The concept of thread synchronization Thread synchronization means that when a thread makes a function call, the call will not return until the result is obtained. At the same time, other threads cannot call this function to ensure data consistency.   Examples of thread synchronization Create two threads, let the two threads share a glo ...

1. Introduction to Prometheus Prometheus is an open source system for monitoring and alarming. It has now joined the CNCF Foundation as the second CNCF-hosted project after k8s. In the kubernetes container management system, Prometheus is often used for monitoring. It also supports multiple exporter s for data collection and pushgateway fo ...

file Directory tree /Bin: bin is the abbreviation of Binaries. This directory stores the most frequently used commands./boot: here are some core files used when starting Linux, including some connection files and image files./Dev: dev is the abbreviation of device. External devices of Linux are stored in this directory. The way to access de ...

01 Preface Kubernetes (hereinafter referred to as k8s) announced that docker will be abandoned as a container after version 1.20, and the dockershim component will be completely removed in version 1.23 released at the end of 2021. Dockershim is a built-in component of kubelet. Its function is to make k8s it possible to operate dockers through ...

I am a computer white, just started self-study, slowly improving It's lucky to knock the code and correct the mistakes. Please leave your praise. It's my greatest encouragement and gives the little girl the confidence to continue to improve! Thank you jdbc download address Click here to download For specific download methods, please refer to ...

We know that redis is a very common memory database, and reading data from memory is one of the reasons why it is very efficient. However, if one day,   "What if redis's allocated memory is full?"  ？ Don't panic when you encounter this interview question. We can answer this question from two angles: "What will redis d ...

Java code modularization - method 1. Concept of method The purpose of Java method: modularity, reusability and simple application 2. Structure 3. Grammar public satatic int add(int a,int b,int c){ int sum = a+b+c; return sum; } public: access control characterStatic: static / /!!!int /double/void: enlarged return typeadd: na ...

Let's practice printing process descriptor task_ Fields in struct The method used here is to insert the kernel module, and the method used is to traverse the process linked list 1, Task_ A preliminary interpretation of struct First, download your own source code. You can refer to my previous blog https://blog.csdn.net/weixin_45730790/article ...