Finding duplicated files using command line CLI in Linux MacOS Ubuntu
Easy way to find duplicated files in a folder or in all disk
Posts by Category
- Linux 34
- AWS 20
- Page 13
- Security 8
- Training 8
- Raspberry-Pi 8
- Networking 6
- Python-3 6
- Coding 4
- Bash 3
- Python3 3
- Cyber-Security 2
- Javascript 2
- Study 2
- CLI 2
- Websites 1
- Finance 1
- Webpage 1
- Services 1
- Databases 1
- Migration 1
- Electronics 1
- Webpages 1
- Containers 1
- Quotes 1
- Motivation 1
- Knowledge 1
- Science 1
- Math 1
- macOS 1
- Apple 1
- IT-Security 1
- Projects 1
- Wifi 1
- Education 1
- Multimedia 1
- Specialty 1
- Exam 1
- SSM 1
- Tunnel 1
- Ethical-Hacker 1
- Notes 1
- OSINT 1
- commands 1
- AWS Organizations 1
- Learning 1
- first-commands 1
- Security-Hub 1
- Boto3 1
- MacOS 1
- Puzzles 1
- Rubik-cube 1
- S3 1
- Lambda 1
- SNS 1
Linux
Raspberry Pi 4 testing USB Wireless
Raspberry Pi 4 USB Wireless dongles that work out-of-the-box
Micro-SD cards write speed test
While copy the Raspberry Pi image into a couple of micro-sd cards using the method “setting up a headless raspberry pi” (link below),
Project Raspbery Pi running Router DHCP NAT Access Point DNS Block advertising VPN
Project-raspberry-pi-router-dhcp-nat-access-point-dns-block-ads-vpn.md
Install and connect to a Raspberry Pi without monitor
The purpose of this post is to briefly show how to install the Raspberry Pi OS into a new microSD card using a laptop or desktop. Then boot the Raspberry Pi ...
How to reinstall MacOS with external bootable disk
How to reinstall MacOS with external bootable disk installer for Mac operating system. macOS Catalina, macOS Mojave, or macOS High Sierra. You can use an ext...
AWS EC2 userdata sample script to build an Webpage
Sample of an AWS EC2 userdata script that install apache and automatically creates an index.html file as a landing webpage with information about the instanc...
Linux Command Xargs For Parallel Execution
xargs command can be use to speed up linux command and run mulitiple linux command in parallel.
Linux Command Tee Examples How It Works
tee command in linux command line, how tee works, simple explanations. Imagine the tee command as a ‘T’ , input on the left and 2 exists or outputs, right an...
Yum Provide Which Package Contains The Command
See how to find the package you will need to install for the command you are looking for. Example, I was looking for the tshark command, but a simple yum sea...
Pip3 List Installed Upgrade All
So, I want to list the packages installed with pip3 and now that I can see them, I want to update them all.
Github Basics Command
Github git basic commands
Raspberry Pi As A Router Nat
Transform to run as a router and NAT device
Online Learning Websites
Online list of learning websites and channels that I follow. Website that I use for training in various areas.
Python 3 Http Server
A quick and simple way to start a webserver on the current directory with Python 3 using module http.server
Linux Find Command
Linux find command
Clamav Linux Free Antivuris Scan
Linux Clam AntiVirus ClamAV
Vimrc File
vimrc file options
Vim Forgot Sudo To Save
vim and forgot to sudo and now?
Aws Cloudwatch Logs Cloudtrail Logs Filters Sample
AWS VPC flowlogs CloudWatch logs CloudTrail logs and filters examples
Raspberry Pi Camera Resolution
Linux command lsusb
Raspberry Pi Swap Memory
Raspberry Pi increase the swap memory size
Python3 Learning
Python 3 learning for the first time
Raspberry Pi Stranger Things Alphabet Wall Lights
Stranger Things Alphabet Wall Lights with Raspberry Pi Python 3 and Neopixels
Project Ninjapt
Ninja.pt
Aws Database Conversion Tool
DMS tool
Aws Cli Iam Roles And Tokes
AWS cli IAM roles and tokens
Aws Cli Find All Instances In All Regions
Lists all ec2 instances in all regions including account owner, instance id, instance type, statues and region.
S3 Copy Sync Filter Files
S3 cp sync exclude include
Linux Dig Troubleshooting Dns Records And Domain
Sample usage of Linux dig command for dns troubleshooting
Linux What Is My Ip Ipinfo
Linux Public IP
Linux Iptables Block Ip
Linux iptables, quick, simple and effective way to block an ip address or subnet range.
Linux Fail2ban Integration With Abuseipdb
Making the internet safer, one IP at a time
Block Advertising Using Hosts File
Blocking advertising and pops using hosts file
AWS
AWS S3 PutObject automatically creates a S3 Presigned URl and emails the link via SNS topic
Sample lambda functions that run based on event trigger from EventBridge on S3PutObject.
AWS Security Hub work in Python 3 and Boto3
Testing some commands with python3 and boto3
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Certified Security Specialty exam guide and study notes
Antonio Feijao study’s notes for the AWS Certified Security Specialty exam, re-certification in 2022.
AWS online training source materials
Collection of links to AWS online training resources, mostly free training.
AWS pages with dark-theme feature
Have you tried the AWS dark theme feature with cookie named awsc-color-theme?
AWS EC2 userdata sample script to build an Webpage
Sample of an AWS EC2 userdata script that install apache and automatically creates an index.html file as a landing webpage with information about the instanc...
Docker Images And Containers Start With Basic And Bonus Advanced Security
Docker images and containers start with basic and bonus advanced security
Devsecops In Your Company Dna
DecSecOps in your company DNA
Aws Cloudwatch Logs Cloudtrail Logs Filters Sample
AWS VPC flowlogs CloudWatch logs CloudTrail logs and filters examples
Aws Network Transit Gateway To Vpc
AWS Transit Gateway to VPC
Aws Global Infrastructure And Network Backbone
AWS Global Infrastructure
Project Ninjapt
Ninja.pt
Aws Database Conversion Tool
DMS tool
Aws Cli Iam Roles And Tokes
AWS cli IAM roles and tokens
Aws Cli Find All Instances In All Regions
Lists all ec2 instances in all regions including account owner, instance id, instance type, statues and region.
S3 Copy Sync Filter Files
S3 cp sync exclude include
Linux Dig Troubleshooting Dns Records And Domain
Sample usage of Linux dig command for dns troubleshooting
Aws List Of Services
Simple way to get a list of AWS Services. As of $ date +%Y-%B-%d, 2019-November-26 there are 206 service. Checked by using wc -c command at the end of the b...
Page
AWS online training source materials
Collection of links to AWS online training resources, mostly free training.
Antonio Feijao AWS Linux and Cyber Security certifications
Additional skills
List of links and websites with updates on Cyber Security and Computer Science Knowledge
This page will be always » work in progress «
Feedback on Antonio Feijao AWS Linux and Cyber Security work
Recent received feedback
Code
CODE
Antonio Feijao AWS Linux and Cyber Security certifications
Antonio Feijao certifications
Blog
All blog posts
Background images
Background images…
About Antonio Feijao UK
Antonio Feijao
Cyber Security and Threat Intelligence
Personal page dedicated to personal notes and knowledge references on Cyber Security Intelligence (CTI) and Threat Intellegence.
Inspirational and Motivational Quotes to Inspire You to Be Successful
On this page, find inspirational and motivational quotes to inspire you to be successful.
Security
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Certified Security Specialty exam guide and study notes
Antonio Feijao study’s notes for the AWS Certified Security Specialty exam, re-certification in 2022.
Devsecops In Your Company Dna
DecSecOps in your company DNA
Clamav Linux Free Antivuris Scan
Linux Clam AntiVirus ClamAV
Aws Cloudwatch Logs Cloudtrail Logs Filters Sample
AWS VPC flowlogs CloudWatch logs CloudTrail logs and filters examples
Aws Cli Iam Roles And Tokes
AWS cli IAM roles and tokens
Linux Fail2ban Integration With Abuseipdb
Making the internet safer, one IP at a time
Block Advertising Using Hosts File
Blocking advertising and pops using hosts file
Training
AWS online training source materials
Collection of links to AWS online training resources, mostly free training.
Docker Images And Containers Start With Basic And Bonus Advanced Security
Docker images and containers start with basic and bonus advanced security
Github Basics Command
Github git basic commands
Online Learning Websites
Online list of learning websites and channels that I follow. Website that I use for training in various areas.
Aws Global Infrastructure And Network Backbone
AWS Global Infrastructure
Linux Iptables Block Ip
Linux iptables, quick, simple and effective way to block an ip address or subnet range.
Learning Finance
Financial learning
Fonts Awesome
Fonts Awesome install
Raspberry-Pi
Raspberry Pi 4 testing USB Wireless
Raspberry Pi 4 USB Wireless dongles that work out-of-the-box
Micro-SD cards write speed test
While copy the Raspberry Pi image into a couple of micro-sd cards using the method “setting up a headless raspberry pi” (link below),
Project Raspbery Pi running Router DHCP NAT Access Point DNS Block advertising VPN
Project-raspberry-pi-router-dhcp-nat-access-point-dns-block-ads-vpn.md
Install and connect to a Raspberry Pi without monitor
The purpose of this post is to briefly show how to install the Raspberry Pi OS into a new microSD card using a laptop or desktop. Then boot the Raspberry Pi ...
Raspberry Pi As A Router Nat
Transform to run as a router and NAT device
Raspberry Pi Camera Resolution
Linux command lsusb
Raspberry Pi Swap Memory
Raspberry Pi increase the swap memory size
Raspberry Pi Stranger Things Alphabet Wall Lights
Stranger Things Alphabet Wall Lights with Raspberry Pi Python 3 and Neopixels
Networking
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
Yum Provide Which Package Contains The Command
See how to find the package you will need to install for the command you are looking for. Example, I was looking for the tshark command, but a simple yum sea...
Raspberry Pi As A Router Nat
Transform to run as a router and NAT device
Aws Network Transit Gateway To Vpc
AWS Transit Gateway to VPC
Linux What Is My Ip Ipinfo
Linux Public IP
Dns Root Zone Database
Internet Assigned Numbers Authority (IANA)
Python-3
Practice Python 3 with the fibonacci sequence
Learn Python with a simple “do it yourself” challenges. I went to bed thinking “how could I do the Fibonacci sequence without looking on the internet. Next d...
Python3 Merry Christmas
Python 3 prints Merry Christmas Everyone!
Pip3 List Installed Upgrade All
So, I want to list the packages installed with pip3 and now that I can see them, I want to update them all.
Python 3 Http Server
A quick and simple way to start a webserver on the current directory with Python 3 using module http.server
Python3 Learning
Python 3 learning for the first time
Raspberry Pi Stranger Things Alphabet Wall Lights
Stranger Things Alphabet Wall Lights with Raspberry Pi Python 3 and Neopixels
Coding
Python3 create and active a python virtual environment
Intro to Python3 environments
Practice Python 3 with the fibonacci sequence
Learn Python with a simple “do it yourself” challenges. I went to bed thinking “how could I do the Fibonacci sequence without looking on the internet. Next d...
Github Basics Command
Github git basic commands
Vimrc File
vimrc file options
Bash
AWS EC2 userdata sample script to build an Webpage
Sample of an AWS EC2 userdata script that install apache and automatically creates an index.html file as a landing webpage with information about the instanc...
Linux Command Xargs For Parallel Execution
xargs command can be use to speed up linux command and run mulitiple linux command in parallel.
Linux Command Tee Examples How It Works
tee command in linux command line, how tee works, simple explanations. Imagine the tee command as a ‘T’ , input on the left and 2 exists or outputs, right an...
Python3
AWS Security Hub work in Python 3 and Boto3
Testing some commands with python3 and boto3
Python3 start learning first commands
So, if you just start learning Python 3, where are some tips to help you start.
Python3 create and active a python virtual environment
Intro to Python3 environments
Cyber-Security
Ethical Hacker and Cyber Security study notes on OSINT
Antonio Feijao study’s notes for the Master Ethical Hacking and Cyber Security course - OSINT.
Cyber Security and Threat Intelligence
Personal page dedicated to personal notes and knowledge references on Cyber Security Intelligence (CTI) and Threat Intellegence.
Javascript
Change video playback speed rate with javascript
Change video playback speed rate with javascript
AWS pages with dark-theme feature
Have you tried the AWS dark theme feature with cookie named awsc-color-theme?
Study
Ethical Hacker and Cyber Security study notes on OSINT
Antonio Feijao study’s notes for the Master Ethical Hacking and Cyber Security course - OSINT.
AWS Certified Security Specialty exam guide and study notes
Antonio Feijao study’s notes for the AWS Certified Security Specialty exam, re-certification in 2022.
CLI
Finding duplicated files using command line CLI in Linux MacOS Ubuntu
Easy way to find duplicated files in a folder or in all disk
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
Websites
Fonts Awesome
Fonts Awesome install
Finance
Learning Finance
Financial learning
Webpage
Linux What Is My Ip Ipinfo
Linux Public IP
Services
Aws List Of Services
Simple way to get a list of AWS Services. As of $ date +%Y-%B-%d, 2019-November-26 there are 206 service. Checked by using wc -c command at the end of the b...
Databases
Aws Database Conversion Tool
DMS tool
Migration
Project Ninjapt
Ninja.pt
Electronics
Raspberry Pi Stranger Things Alphabet Wall Lights
Stranger Things Alphabet Wall Lights with Raspberry Pi Python 3 and Neopixels
Webpages
Online Learning Websites
Online list of learning websites and channels that I follow. Website that I use for training in various areas.
Containers
Docker Images And Containers Start With Basic And Bonus Advanced Security
Docker images and containers start with basic and bonus advanced security
Quotes
Inspirational and Motivational Quotes to Inspire You to Be Successful
On this page, find inspirational and motivational quotes to inspire you to be successful.
Motivation
Inspirational and Motivational Quotes to Inspire You to Be Successful
On this page, find inspirational and motivational quotes to inspire you to be successful.
Knowledge
Level of IQ of the smartest people on Earth
See this list of the smartest people ever on Earth, listed by their level of IQ! With links to Wikipedia to read more about these genius. Purpose of this lis...
Science
Level of IQ of the smartest people on Earth
See this list of the smartest people ever on Earth, listed by their level of IQ! With links to Wikipedia to read more about these genius. Purpose of this lis...
Math
Level of IQ of the smartest people on Earth
See this list of the smartest people ever on Earth, listed by their level of IQ! With links to Wikipedia to read more about these genius. Purpose of this lis...
macOS
How to reinstall MacOS with external bootable disk
How to reinstall MacOS with external bootable disk installer for Mac operating system. macOS Catalina, macOS Mojave, or macOS High Sierra. You can use an ext...
Apple
How to reinstall MacOS with external bootable disk
How to reinstall MacOS with external bootable disk installer for Mac operating system. macOS Catalina, macOS Mojave, or macOS High Sierra. You can use an ext...
IT-Security
Cyber Security and Threat Intelligence
Personal page dedicated to personal notes and knowledge references on Cyber Security Intelligence (CTI) and Threat Intellegence.
Projects
Project Raspbery Pi running Router DHCP NAT Access Point DNS Block advertising VPN
Project-raspberry-pi-router-dhcp-nat-access-point-dns-block-ads-vpn.md
Wifi
Raspberry Pi 4 testing USB Wireless
Raspberry Pi 4 USB Wireless dongles that work out-of-the-box
Education
AWS online training source materials
Collection of links to AWS online training resources, mostly free training.
Multimedia
Change video playback speed rate with javascript
Change video playback speed rate with javascript
Specialty
AWS Certified Security Specialty exam guide and study notes
Antonio Feijao study’s notes for the AWS Certified Security Specialty exam, re-certification in 2022.
Exam
AWS Certified Security Specialty exam guide and study notes
Antonio Feijao study’s notes for the AWS Certified Security Specialty exam, re-certification in 2022.
SSM
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
Tunnel
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
AWS Systems Manager or AWS SSM to create a private Networking tunnel to resources in the private subnet
Ethical-Hacker
Ethical Hacker and Cyber Security study notes on OSINT
Antonio Feijao study’s notes for the Master Ethical Hacking and Cyber Security course - OSINT.
Notes
Ethical Hacker and Cyber Security study notes on OSINT
Antonio Feijao study’s notes for the Master Ethical Hacking and Cyber Security course - OSINT.
OSINT
Ethical Hacker and Cyber Security study notes on OSINT
Antonio Feijao study’s notes for the Master Ethical Hacking and Cyber Security course - OSINT.
commands
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS Organizations
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
AWS run multiple commands in multiple AWS accounts in the AWS Organizations at the same time
Learning
Python3 start learning first commands
So, if you just start learning Python 3, where are some tips to help you start.
first-commands
Python3 start learning first commands
So, if you just start learning Python 3, where are some tips to help you start.
Security-Hub
AWS Security Hub work in Python 3 and Boto3
Testing some commands with python3 and boto3
Boto3
AWS Security Hub work in Python 3 and Boto3
Testing some commands with python3 and boto3
MacOS
Finding duplicated files using command line CLI in Linux MacOS Ubuntu
Easy way to find duplicated files in a folder or in all disk
Puzzles
Rubik’s cube solved in 3 minutes by Antonio Feijao
Antonio Feijao solves the rubik’s cube in 3 minutes
Rubik-cube
Rubik’s cube solved in 3 minutes by Antonio Feijao
Antonio Feijao solves the rubik’s cube in 3 minutes
S3
AWS S3 PutObject automatically creates a S3 Presigned URl and emails the link via SNS topic
Sample lambda functions that run based on event trigger from EventBridge on S3PutObject.
Lambda
AWS S3 PutObject automatically creates a S3 Presigned URl and emails the link via SNS topic
Sample lambda functions that run based on event trigger from EventBridge on S3PutObject.
SNS
AWS S3 PutObject automatically creates a S3 Presigned URl and emails the link via SNS topic
Sample lambda functions that run based on event trigger from EventBridge on S3PutObject.