Try Hack Me Room: Anthem Task1: Website Analysis Let’s run nmap and check what ports are open. We discovered 2 open ports 80 and 3389. What port is for the web server? ANS: 80 What port is f...

Try Hack Me Room: Dig Dug Task1: Dig Dug First let’s start the reconnaissance by doing nmap. Only ssh port is open but we are provided with the following information; When we read the instr...

Try Hack Me Room: Basic Pentesting Task1: Web App Testing and Privilege Escalation First let’s start the reconnaissance by doing nmap. 6 ports were open. Port 80 is open so let’s check the ...

Try Hack Me Room: Startup Task1: Welcome to Spice Hut! “We are Spice Hut, a new startup company that just made it big! We offer a variety of spices and club sandwiches (in case you get hungry...

Try Hack Me Room: Bounty Hacker Task1: Living up to the title. First let’s start the reconnaissance by doing nmap. There are 3 ports open i.e 21, 22 and 80. Since port 80 is open, there will b...

Try Hack Me Room: Simple CTF When I paste the ip address on the browser, it showed like this; It looks like a default Ubuntu installation. Now lets scan the machine How many services are runn...

Topic: Recovery Algorithms Introduction Recovery algorithms are techniques to ensure database consistency, transaction atomicity, and durability despite failures. There are several other recovery ...

Topic: Transaction and Serializability Transaction A transaction is a single logical unit of work which accesses and modifies the contents of a database. Transactions access data using read and w...

Topic: Concurrency Control Concurrency control is a very important concept of DBMS which ensures the simultaneous execution or manipulation of data by several processes or users without resulting i...

Topic: Query Optimization Introduction Query Optimization is a crucial aspect of database management systems (DBMS) that seeks to determine the most efficient way to execute a given query by cons...