Theoretical + Scenario based Questions Q1.What is Linux? Linux is an operating system or a kernel distributed under an open-source license. Its functionality list is quite like UNIX. The kernel is a program at the heart of the Linux operating system that takes care of fundamental stuff, like letting hardware communicate with software. Q2.What is the difference between Linux and UNIX? UNIX originally began as a propriety operating system from Bell Laboratories, which later on spawned into different commercial versions. On the other hand, Linux is free, open source and intended as a non-propriety operating system for the masses. Q3....

What is the Roles and Responsibilities of an SQL Developer ?
What Is SQL? SQL, which stands for Structured Query Language, is an advanced programming language in Nits Global. In SQL, a relational database, data is stored in tables, and queries are required to retrieve the data. SQL commands are applied to insert data, delete, and update data from tables. What Is the Role of an SQL Developer? As an SQL developer, you have certain important responsibilities that you need to carry out daily. These are listed below: Designing database tables. Creating stores procedures and functions. Creating database triggers for automation. Maintaining data quality. Maintaining data security. As a SQL Developer, you must know certain important commands. These are listed below: DML: Data Manipulation Language: These commands are applicable for inserting, editing, and deleting data. DDL: Data Definition Language: These commands create, alter, and drop the table. DCL: Data Control Language: These commands permit users to access data. What Are...

How do I install a GUI on my Amazon EC2 instance running Amazon Linux 2?
Before you proceed, first consider one of these alternatives to manually installing a GUI: Launch from an Amazon Linux 2 AMI that comes with MATE pre-installed Start using Amazon WorkSpaces, a fully managed, persistent desktop virtualization service. Start using NICE DCV, a remote display protocol that delivers remote desktops and application streaming securely from any cloud or data center to any device. If you want to proceed with manual GUI installation, then do the following: Install the MATE desktop environment, a lightweight GUI based on GNOME 2 available as an extra for Amazon Linux 2. For more information about MATE Install a virtual network computing (VNC) service, such as TigerVNC. For more information about TigerVNC, see the tigervnc.org website. Connect to the GUI using the VNC (Optional) Turn off password authentication for VNC. (Optional) Install a web browser, such as Chromium or Firefox. Connect your instance as EC2-user...