pkutaj

NR	Type	Description	Volume	Example
1	alias	shell alias	0/varies	alias ls='ls -l'
2	keyword	shell reserved word	19/constant	for, if, while, case
3	function	shell function	0/varies	function hello() { echo 'Hello, world!'; }
4	builtin	shell builtin	58/constant	cd, echo, read
5	file	disk file	hundreds/varies	/bin/ls, /usr/bin/python

pkutaj

NR	Command	Description	Example
01	.	Executes commands from a file.	.bashrc (loads the bash configuration file)
02	:	Does nothing (useful as a placeholder).	true ; echo "This will be printed" (only the second command executes)
03	[ (or test )	Evaluates expressions for conditional statements.	[ -f filename ] && echo "File exists" (checks if a file exists)
04	alias	Creates or manages aliases (shorter names for commands).	`alias l

pkutaj

NR	Keyword	Description	Example
01	if	Introduces a conditional statement to execute code based on a condition.	if [ $x -gt 0 ]; then echo "Positive number"; fi (checks if x is positive)
02	then	Follows the if keyword and marks the beginning of the code to execute if the condition is true.	Refer to if example.
03	else	Provides an optional block of code to execute if the condition in the if statement is false.	if [ $x -gt 0 ]; then echo "Positive"; else echo "Non-positive"; fi (prints based on x value)
04	elif	Introduces an additional condition to check within an if state

pkutaj

NR	Full Name	Shortcut	default	Description
01	allexport	-a	off	Export all variables to the environment when a new shell is started.
02	braceexpand	-B	on	Enable brace expansion (e.g., {a,b} expands to a b).
03	emacs	-e	on	Use Emacs-style line editing (default).
04	errexit	-e	off	Exit immediately if any command fails (also known as "set -e").
05	errtrace	-E	off	Trap errors in functions and subshells.

pkutaj

	Kafka	AWS Kinesis
Operational Model	System of brokers (servers that store and process messages)	Managed service provided by AWS
Data Writing	Writes data to disk, I/O operations carried out by OS	Synchronously brokers data streams, writes and replicates ingested data into three different AWS machines
Configurability	More control to the operator	Machine configuration is ab

pkutaj

STEP	CONFIG_FILE	STATE_FILE	TARGET_ENV(AWS)
#1	aws_instance.nginx	remove > empty	id-8675366
#2	aws_instance.nginx	empty	add_additional => id-8675366, id-314777
#3	aws_instance.nginx	add > aws_instance.nginx = id-314777	id-8675366, id-314777

pkutaj

STEP	CONFIG_FILE	STATE_FILE	TARGET_ENV(AWS)
manual	remove > empty	aws_instance.nginx = id-8675366	id-8675366
apply #1	empty	aws_instance.nginx = id-8675366	destroy => empty
apply #2	empty	remove => empty	empty

pkutaj

STEP	CONFIG_FILE	STATE_FILE	TARGET_ENV(AWS)
manual	aws_instance.nginx	aws_instance.nginx = id-314122	destroy > no resource
apply #1	aws_instance.nginx	aws_instance.nginx = id-314122	add > id-8675366
apply #2	aws_instance.nginx	change > aws_instance.nginx = id-8675366	id-8675366

pkutaj

STEP	CONFIG_FILE	STATE_FILE	TARGET_ENV(AWS)
manual	add > aws_instance.nginx	empty	no resource
apply #1	aws_instance.nginx	empty	add id-314122
apply #2	aws_instance.nginx	add aws_instance.nginx = id-314122	id-314122

pkutaj

Policy Type	Description
1. Identity-based	Attached to an IAM identity (user, group, or role). Specifies what that identity can do.
2. Resource-based	Attached to a resource. Specifies who has access to the resource and what actions they can perform on it.
3. Permissions Boundary	Uses a managed policy to set the maximum permissions that an identity-based policy can grant to an IAM entity.
4. Organizations SCPs	Defines the maximum permissions for account members of an organization or organizational unit (OU).
5. ACLs	Controls which principals in sother accounts can access the resource to which the ACL is attached.
6. Session Policies	Passes ad