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
Wide area network (WAN)Man (metr ...
Posted on Wed, 10 Nov 2021 18:39:53 -0500 by droms
4.2.12 select loop and menu
select NAME [in WORDS ... ;] do COMMANDS; done
select variable in list ;do
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
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
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
2. Common text processing tools
2.1 file content viewing command
2.1.1 viewing text file content
cat can view the text content
cat [OPTION]... [FILE]...
-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
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