Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
Articles by Satish Kumar
936 articles
21 Server Security Tips to Secure Your Server
Introduction Server security is essential for any business or organization that relies on a server to store, process, and share data. A secure server ensures that sensitive information is protected from unauthorized access, theft, and cyberattacks. In this article, we will share 21 server security tips to help you secure your server and safeguard your data. Keep Your Server Software Updated One of most important server security tips is to keep your server software updated. Software updates often include security patches that address known vulnerabilities. Failure to update your software can leave your server open to attacks. Use Strong Passwords ...
Read MoreHow to Check CPU Temperature on Linux?
Introduction Monitoring CPU temperature on a Linux system is essential for maintaining optimal performance and preventing hardware damage. The CPU (central processing unit) is the brain of your computer, and it generates heat as it processes data. Over time, this heat can cause your CPU to slow down or even fail altogether. By monitoring your CPU temperature, you can identify potential issues before they cause permanent damage to your system. Understanding CPU Temperature on Linux CPU temperature is a measure of how hot the processor is running and is an important metric for computer performance. The faster a processor works, ...
Read MoreHow to Check CPU Utilization in Linux with Command Line?
Introduction Monitoring the performance of a Linux system is essential to ensuring that it is operating optimally. One of the key factors in determining the performance of a system is CPU utilization. CPU utilization refers to the percentage of time that the processor spends executing instructions from various processes and applications on the system. In Linux, there are numerous tools available for monitoring CPU utilization, but using command line tools provides a quick and efficient way to check this metric. Basic Command Line Tools for Checking CPU Utilization When it comes to monitoring CPU utilization with the command line in ...
Read MoreHow to Check Debian Linux Version?
Introduction Debian Linux is an open-source operating system that is widely used in both personal and professional settings. It was first released in 1993 and has since then gained a reputation for being stable, secure, and reliable. Debian Linux comes with a wide range of software packages that can be easily installed and used by users. Due to its stability, Debian Linux is the preferred choice of many system administrators who need to run servers or other mission-critical applications. Checking Debian Linux Version using Command Line Interface (CLI) The Power of the CLI For those who are unfamiliar with it, ...
Read More10 Advance MySQL Database Interview Questions and Answers
Introduction MySQL is one of the most widely used open-source relational database management systems (RDBMS) in world. It is used by some of the largest companies in the world, including Google, Facebook, and Twitter. If you are preparing for an interview for a MySQL developer position, you need to be well-prepared with advance MySQL database interview questions and answers. In this article, we will cover some of the most common and advanced MySQL database interview questions and provide you with the best possible answers. What is MySQL? MySQL is an open-source relational database management system. It is widely used by ...
Read More10 Basic MySQL Interview Questions for Database Administrators
As a database administrator, you need to be well-versed in MySQL, one of the most popular open-source database management systems. Whether you are a beginner or an experienced professional, there are some basic MySQL interview questions that you should be prepared to answer. In this article, we'll cover some of the most common questions and provide examples to help you prepare for your next interview. What is MySQL? MySQL is an open-source relational database management system (RDBMS) that uses SQL (Structured Query Language) to manage and manipulate data. It was first released in 1995 and is currently owned by Oracle ...
Read MoreAccess Networks
Introduction Access networks are means by which internet service providers (ISPs) provide internet connectivity to their customers. They are final part of infrastructure that connects end-users to internet. Access networks can be wired or wireless and have different characteristics that make them suitable for different applications. Wired Access Networks Wired access networks are a type of computer network infrastructure that uses physical cables or wires to connect devices to internet or a local network. They are typically installed in buildings or homes to provide a stable and reliable connection to internet or other devices within network. Wired access networks have ...
Read MoreActive Directory PenTesting
In today's digital world, cyber attacks are becoming increasingly sophisticated, and organizations must continuously monitor and improve their security measures. Penetration testing, commonly known as pen testing, is a crucial step in identifying vulnerabilities and weaknesses in an organization's systems, networks, and applications. One critical area that needs to be tested is the organization's Active Directory (AD). This article will discuss Active Directory pen testing, why it is essential, and some examples of AD vulnerabilities. What is Active Directory? Active Directory is a directory service developed by Microsoft for managing and organizing information about users, computers, and other resources in ...
Read MoreADD PPP Command in PPP Configuration
Introduction PPP (Point-to-Point Protocol) is a network protocol that allows communication between two devices over a point-to-point connection. It is a widely used protocol for establishing and managing Internet connections over dial-up, DSL, and other types of connections. PPP uses a variety of commands to configure and manage communication session between two devices. One such command is "ADD PPP" command. In this article, we will discuss ADD PPP command in PPP configuration, its significance, and various examples of its usage. What is ADD PPP Command? The ADD PPP command is a configuration command used to create a new PPP session ...
Read MoreConfigure sendmail with Gmail on Ubuntu
Sendmail is a popular mail transfer agent used to send emails from one computer to another. It may installed by default on Ubuntu, which makes it a convenient option to sending emails from server. If you use Gmail, you can configure sendmail to send emails through Gmail account. In this article, we will show you the process of configuring sendmail with Gmail on Ubuntu. Requirements Before starting, there are few requirements that need to configure sendmail with Gmail on Ubuntu − A Gmail account A Ubuntu server Sendmail installed on your Ubuntu server OpenSSL installed on your Ubuntu server ...
Read More