Chapter 10 network protocol and management configuration

1.1 network concept Computer network is a collection of computers or network devices connected by tangible cables or intangible media such as wireless, and communicating according to certain rules. Network functions and benefits Data and ApplicationsresourcesNetwork storageBackup device Scope classification Wide area network (WAN)Man (metr ...

Posted on Wed, 10 Nov 2021 18:39:53 -0500 by droms

Chapter 6 Advanced Shell script programming

4.2.12 select loop and menu Format: select NAME [in WORDS ... ;] do COMMANDS; done select variable in list ;do Loop command done explain: The select loop is mainly used to create menus. The menu items arranged in numerical order are displayed on the standard error, and the PS3 prompt is displayed for user inputThe user enters a number ...

Posted on Sun, 07 Nov 2021 17:24:37 -0500 by warren

Using Kubernetes series from 0 to 1: Kubernetes Scheduling

The previous article introduces Kubernetes basic introduction,Tools needed to build Kubernetes cluster,How to install,How to build an application . This article describes how to use Kubernetes for resource scheduling.   Kubernetes as a container scheduling engine, resource scheduling is its most basic and important function. When a develope ...

Posted on Mon, 01 Nov 2021 00:42:44 -0400 by danielleuk

C pointer learning

Lesson 9: pointer (the soul of C language) Definition of pointer: pointer is essentially a variable, and this variable can only store one memory address (number) forever Therefore, the technical term corresponding to this variable is called pointer variable Through the address saved by the pointer variable, you can access this memory area arb ...

Posted on Tue, 26 Oct 2021 21:31:51 -0400 by buzzed_man

Chapter V common text processing tools

2. Common text processing tools 2.1 file content viewing command 2.1.1 viewing text file content 2.1.1.1 cat cat can view the text content Format: cat [OPTION]... [FILE]... Common options -E: Show line terminator $ -A: Show all controls -n: Number each line displayed -b: Non blank line number -s: Compress consecutive empty lines into o ...

Posted on Wed, 20 Oct 2021 14:52:01 -0400 by johany

Delete POD experiment used by chaos toolkit k8s of chaos Engineering

What is the chaos toolkit? Today, let's play chaos toolkit, an open source tool for chaos engineering. Its goal is to provide a free, open, community driven tool set and api. ​ Official source code link: https://github.com/chaostoolkit/chaostoolkit ​ To understand this tool, you must know the key points mentioned in the principles of cha ...

Posted on Tue, 28 Sep 2021 00:47:08 -0400 by PeeJay