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🦑RocketMQ transaction message :
#fastTips

RocketMQ began to support distributed transaction messages in version 4.3, using the idea of ​​2PC to implement the commit transaction message, and at the same time adding a compensation logic to handle the two-stage timeout or failure message,

1.1 Send and submit

(1) Send a message (half message, that is, sent but not consumed);

(2) The server responds to the message writing result;

(3) Execute local transactions according to the sent results. If the write fails, the half message is not visible to the business at this time, and the local logic is not executed;

(4) Execute Commit or Rollback according to the local transaction status (Commit operation generates a message index, and the message is visible to consumers)

1.1 Compensation process

(1) For transaction messages without Commit/Rollback (messages in the pending state), initiate a "back check" from the server;

(2) Producer receives the check-back message and checks the status of the local transaction corresponding to the check-back message;

(3) Re Commit or Rollback according to the local transaction status;

Among them, the compensation phase is used to resolve the timeout or failure of the message Commit or Rollback.

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🦑Darknet search engines:
http://hss3uro2hsxfogfq.onion - not Evil search engine;

http://xmh57jrzrnw6insl.onion/ - Torch search engine;

http://gjobqjj7wyczbqie.onion/ - Candle search engine;

http://msydqstlz2kzerdg.onion - Ahmia search engine;

https://3g2upl4pq6kufc4m.onion/ - DuckDuckGo search engine;

http://grams7enufi7jmdl.onion/ - Grams search engine;

https://tor2web.org - Find darknet sites without Tor

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🦑HOW SCAN OPEN PORTS ?
MASSCAN web interface :

1) Masscan is natively packaged in Kali Linux and can handle a huge number of nodes.

Masscan has several convenient output formats such as binary and XML.

However, there is another convenient feature of this network scanner - the web interface.

2) The masscan web user interface setup is pretty standard and straight forward.

You will need to create a MySQL database, import the database schema, move the PHP files as root, and edit the config file with the correct options.

3) First, install and run your web server and some other required packages and add the masscan repository:

# apt-get install apache2 php libapache2-mod-php php-mysqli php-xml mysql-server

🄸🄽🅂🅃🄰🄻🄻🄸🅂🄰🅃🄸🄾🄽 & 🅁🅄🄽 :

1) git clone https://github.com/offensive-security/masscan-web-ui

2) mv masscan-web-ui/* /var/www/html/

3) cd /var/www/html/

4) root@kali:/var/www/html

# mysql -u root -p

5) Enter password:
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

# mysql> create database masscan;
Query OK, 1 row affected (0.01 sec)

# mysql> CREATE USER 'masscan'@'localhost' IDENTIFIED BY 'changem3';
Query OK, 0 rows affected (0.00 sec)

# mysql> GRANT ALL PRIVILEGES ON masscan.* TO 'masscan'@'localhost';
Query OK, 0 rows affected (0.01 sec)

# mysql> exit
Bye
# root@kali:/var/www/html# mysql -u root -p masscan < db-structure.sql
Enter password:
root@kali:/var/www/html

# rm db-structure.sql index.html README.md

# nano config.php

define('DB_DRIVER', 'mysql');

define('DB_HOST', 'localhost');

define('DB_USERNAME', 'masscan');

define('DB_PASSWORD', 'changem3');

define('DB_DATABASE', 'masscan');

Now you can use masscan to scan and output .xml documents

# masscan 10.0.0.0/8 -p80,21,53 --banners --source-ip 10.0.0.2 --max-rate 100000 -oX scan-01.xml

root @ kali: / var / www / html

ls -l scan *

-rw-r - r-- 1 root root 212929324 Dec 1 13:23 scan-01.xml

-rw-r - r-- 1 root root 700816226 Dec 1 13:55 scan-02.xml

root @ kali: / var / www / html

php import.php scan-01.xml

Do you want to clear the database before importing (yes / no) ?: yes

Clearing the db

Written by
(no one allowed to clone our tutorials)
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🦑How to run a PHP program in Xampp?
#Requested

1) Install XAMPP
The first step is to install XAMPP onto your computer. it is very easy to install XAMPP. Just visit the official website to download XAMPP.

xampp download page
Apache Friends: https://www.apachefriends.org/index.html

2) On this site you can see XAMPP for Windows, Linux and OS X. Where you can download XAMPP based on your computer OS and after downloading install it.

3) Open XAMPP control panel
After installing XAMPP on to your PC the next step is to start the Apache server and MySQL.

The control panel XAMPP which is something like this.

xampp control panel

4) To launch Apache service and MySQL service, click on the Start button. if you want to stop any of the services at any time you can click on stop button in XAMPP control panel.

5) Executing Project
Once the Apache and MySQL services are started and running in the background. Now extract the project zip file which you have downloaded from our site.

6) extract project mini project
After extracting you should see the folder which contains all the code and related files of the project that you have downloaded.

7) copy project folder
Copy this folder and navigate to xampp folder (which is basically located in C drive) and inside this folder (xampp) find the htdocs folder and paste the project folder into this htdocs folder

8) example In my case, the path is something like this C:\xampp\htdocs

Paste folder to htdocs

9) After the project folder is successfully copied to the specified location on your computer. Then go to your browser (Chrome) and type in URL field: localhost/ FOLDER NAME and then hit enter.

10) Run project using xampp
If the project folder name is “Criminal_Mini_Project” then type in URL field: localhost/ Criminal_Mini_Project and hit enter. That’s it your project will start running.

11) I hope the article was useful. If you find any difficulty in running your code feel free to share your problem with us, we will try to solve it.

source linux forum
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🦑Windows Hacking tutorials and tools :

1) Windows-Post-Exploitation:


https://github.com/emilyanncr/Windows-Post-Exploitation


2) Windows Post Exploitation Shells and File Transfer with Netcat for Windows:


https://medium.com/p/a2ddc3557403

3) Windows Privilege Escalation Fundamentals:

https://www.fuzzysecurity.com/tutorials/16.html


4) Windows Privilege Escalation Guide:

www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/

5) https://github.com/LazoCoder/Windows-Hacks


6) https://github.com/D4Vinci/Dr0p1t-Framework

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from now Again starting 24/24

T.me/UndercodeTesting

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🦑behavior of centralized crypto exchanges :

To understand the behavior of centralized crypto exchanges, you need to analyze some key components individually or in groups, and generalize some concepts at a higher level. Here are a few key components related to the behavior of centralized crypto exchanges:

1) Hot wallet: Hot wallet usually refers to the main communication method between external parties and exchanges. This wallet can be used to trade cryptocurrency assets.

2) Cold wallet: A cold wallet is seen as a means of secure storage of encrypted assets. Such wallets usually hold large amounts of assets that are not intended for frequent transactions.

3) Deposit address: usually refers to a temporary address on the blockchain used to transfer funds to the exchange. The main purpose of this type of address is to facilitate users to exchange cash flow.

4) Withdrawal address: usually refers to a temporary address on the blockchain used to transfer funds from the main transaction wallet. Sometimes the withdrawal address can also play the dual role of the deposit address.

5) Although these four components represent the core of the on-chain architecture of a centralized exchange, to identify them requires quite complex heuristics or machine learning methods. Part of the challenge is that the interaction model between these components can be arbitrary and complex, and is not well understood.

With the help of IntoTheBlock 's transaction machine learning classifier, the visual exploration of the blockchain data set revealed some very elegant and charming models.


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