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Where to learn from Terraform tutorials in Hashicorp site Since I focus on AWS, I enjoyed the aws tutorials About Terraform HashiCorp Terraform is an infrastructure as code tool that lets you define both cloud and on-prem resources in human-readable configuration files. You can version, reuse, and share these file. …

Interactive course Linux Foundations — a real Linux machine in your browser: commands and file types, streams and pipes, links, parameters and variables, bash logic, shell expansions, functions and the vi editor, with live checks. Linux Basics linux introduction linux links Running in VirtualBox trying out commands …

About the linux directory tree Linux has a single directory tree, starting with the root directory Othe oerating systems use different methods to refer to the same information. Microsoft Windows for example, uses a single tree for each device. It uses letters to refer to thise devices. eg: a:\mydir\myfile.txt is a file …

inodes The inode (index node) is a data structure in a Unix-style file system that describes a file-system object such as a file or a directory. Each inode stores the attributes and disk block locations of the object's data Since each file has a single inode, the inode number can be thought of the "physical notation" …

About Permissions Here's a long listing of a file I've created with the touch command: 1-rw-rw-r-- 1 osboxes osboxes 0 Jan 7 07:30 myfile This is the explanation to the first field you see: Where: r means read w means write x means execute The numbers specify the values in binary converted to octal, so you can specify …

Use this post as a guide, to learn basic file commands. List Files Use ls to just list file: 1ls Use long listing (ls -l) to do the same. List a specific file (let's say you have a file called "mydata"): 1ls mydata Long list that file: 1ls -l mydata List a directory that is not the current directory: 1ls /tmp Create …

Command Types Try the following commands: 1type -a ls 2which ls The bash type builtin shell command can show you what is the type of the parameter you give it. The -a parameter asks for ALL available types. Linux has several command types(e.g ‘alias’, ‘function’, ‘builtin’, ‘file’, ‘keyword’) We'll focus on: file shell …

Opening a terminal Use the start button at the bottom left to show pre-installed applications. Then run the Terminal application Inside this window, you are actually running the famous linux-shell, in this case bash . Most of the time, linux user type text commands in a shell like this. let't try this out. Running …

Infrastructure I use this infrastructure throughout my training material. I run multiple versions, and cannot "get rid of" my Windows (I don't hate Windows that much :) so using virtualization was a practical solution. first, install VirtualBox from this location . (I am currently using is 7.0.12 r159484) There is a …

What is Linux Linux is an operating system . It is the main big program that operates the computer - hence the name. Linux is UNIX like operating system. The UNIX project (back in the 70s) was meant to create a simpler, but in the same time more powerfull example of an operating systems. You can read more about the …