https://www.linkedin.com/in/ivano-natalini-10268020/

  Cyber Security / Ethical Hacking. A simulation of attack DDOS, and gathering information about it, through the sniffer/tool 'tcpdump'. #ddos #attack #hacking #ethicalhacking #cybersecurity #malware #ramsomware #penetrationtesting      

  C++ and the Cryptography. In this example, encrypt the string in numbers, through the function. #c ++ #g ++ #c #gcc #encryption #cryptography #programming #developer #backend #fullstack      

  Database Administration and how to choice the typology of indexs. #index #dba #database #administrator #sqlserver #mysql #postgresql #backend #fullstack #aws #cloud #query #tsql #pgsql #psql      

  Sql Server and Full Backup Management. #backup #restore #disaster #recovery #sqlserver #sql #dba #database #query #aws #cloud #administration      

  C++ Language and class declaration. In this example show a simply class how to function. #c ++ #g ++ #c #gcc #programming #developer #backend #fullstack #unix #linux      

  C Language and how to create a new library by source code. #c #gcc #ar #programming #backend #fullstack #unix #linux #shell #bash      

Postgresql Administration. How to create a function, an example. #postgresql #function #administration #dba #aws #cloud #sql #query #pgsql #plsql #backend #fullstack      

C Language programming. In this example show how to print conversion of string in bytes. #c #gcc #programming #hexadecimal #bytes #backend #fullstack    

  Sql Server Administration. How to calc day of current year. #sqlserver #sql #tsql #dba #database #query #backend #fullstack #aws #cloud      

Ethical Hcking and how to dump traffic of network. In this example, show how to do dump traffic of network, with tool 'tcpdump'. #tcpdump #ethicalhacking #hacking #vapt #penetrationtesting #network #dump #malware #cloud #aws        

  Postgresql Administration and Performance Analysis Tool. In this example show how to use 'iostat' tool, for provides summary information about I/O activity and load on block devices in the system. #postgresql #sql #pgsql #plsql #query #dba #database #aws #cloud      

  C Language Unix/Linux with gcc compiler. In this example, show how to create assembly code by C source code. #c #gcc #asm #assembler #assembly #programming #backend #fullstack #unix #linux      

  MySql Server Administration. How to import CSV file. #mysql #csv #dba #database #backend #fullstack #query #aws #cloud #sql

  Ethical Hacking/ Penetration Testing. Below, show how to test web server with tool 'netcat', for retrieving useful data. #nc #netcat #penetrationtester #penetrationtesting #ethicalhacking #hacking #cybersecurity      

  Linux Administration and to understand 'umask' command. Umask, or the user file-creation mode, is a Linux command that is used to assign the default file/folder permission or for change it. Below an example. #umask #linux #administration #systemsengineering #backend      

  MySql Administration. Below, show the Max Size TableSpace for InnoDb Engine, for a correct configuration. #mysql #dba #database #engine #innodb #tablesize #backend #fullstack #aws #cloud #query      

  Ethical Hacking - XSS (Cross Site Scripting) Attack. In this example, show how the hackers create the evil script for site. This example does not work, it is for educational purposes only. #ethicalhacking #xss #crosssitescripting #attack #hacking #cybersecurity #malware      

  Perl Language and OTP password. In this example, show how to create a program for generate OTP password. #perl #otp #programming #script #unix #linux #backend #fullstack #cybersecurity #ethicalhacking #hacking

  C++ Language and function all purpose. In this example, show how to calc rating power, with function. #c ++ #g ++ #gcc #c #programming #function #void #backend #fullstack #unix #linux      

Sql Server Administration. In this example, show a nested query. #sqlserver #dba #database #query #tsql #nested #aws #cloud #backend #fullstack      

  Ethical Hacking and the explanation about Cross-Site Scripting (XSS) attacks, which are a type of injection malware. #xss #malware #ethicalhacking #attack #crosssitescript #injection #cybersecurity #hacking #penetrationtesting #ransomware #vapt        

  Sql Server Administration. How to work with multiple tables. An example. #sqlserver #sql #tsql #union #backend #fullstack #aws #cloud #dba #database #administration #query      

  Reverse Engineering with Radare2. In this example, show how to search plaintext password. #reverseengineering #radare2 #reverse #Engineering #malware #hacking #ethicalhacking #cybersecurity #aws #cloud #unix #linux #backend #fullstack