Author: Rahul

The command line can be a daunting place for beginners. It requires a fair bit of memorization and typing to navigate. However, it can also be incredibly powerful. If you’re unfamiliar with the command line interface, you might find it difficult to grep content from files. That’s where Cut commands come in. These tools let you quickly cut text out of a file. They’re especially useful when you want to grep columns in a file. What’s more, they’re easy to learn and master. In this article, we’ll show you how to use the Cut command in Linux. We’ll also show…

A .PFX (Personal Information Exchange) file is used to store a certificate and its private and public keys. For example, if we need to transfer an SSL certificate from one windows server to another, You can simply export it as a .pfx file using IIS SSL export wizard or MMC console. Sometimes we need to extract private keys and certificates from the .pfx file, but we can’t directly do it. This article can be helpful for you to do the same. This article will also be helpful for you to migrate an SSL certificate to AWS ELB because ELB required…

NRPE is the most popular method to monitor remote Linux systems using Nagios server. But in some cases, we don’t want to install NRPE on the remote system or we can’t install it. In that situation, there are few alternate ways to monitor a remote system. In this tutorial we are describing to check_by_ssh method. Step 1 – Setup Key Based SSH Firstly it’s required to make sure that the Nagios server is able to connect the client using ssh without prompting password. To do it create an ssh key pair on Nagios server su – nagios ssh-keygen Copy public…

Amazon is the leading cloud hosting providers, You can get any type of server from AWS with very small in size to very large in size. If you have created a windows server instance in AWS EC2 hosting account, This article will help you to How to Find Windows Server Administrator Password in AWS Instance. Follow the below steps to Get Default Windows Password in AWS Instance using key file. Requirements First make sure you have AWS console access for your server along with private key created/used during creation of AWS Windows server instance. 1. AWS Console Access 2. Private…

MySQL is a popular open-source database management system that is widely used to store, organize, and retrieve data. It is commonly used in web development, as it is easy to set up, has a simple syntax, and is widely supported by hosting providers. In this article, we will cover the basics of creating and dropping databases in MySQL. Creating a Database in MySQL To create a new database in MySQL, you can use the `CREATE DATABASE` statement. The syntax for this statement is as follows: # Syntax: CREATE DATABASE employee_data; Replace “database_name” with the desired name for your database. For…

phpMyAdmin is the most popular web interface for managing MySQL databases. But there are many other tools available which we can use in place of phpMyAdmin. Using this article, I am trying to provide you a list of alternatives of phpMyAdmin. 1. Adminer Adminer is the my first choice to use rather than phpMyAdmin. Adminer is available in single php script, which can be easily uploaded in document root and easily access without any installation or configuration. Adminer also can be used to manage SQL Server, Oracle, PostgreSQL etc. Download Adminer 2. MyWebSQL MyWebSQL is an ultimate desktop replacement for…

Amazon SQL Server RDS Instance doesn’t support to restore data from .bak files. So using this article I am writing to how to migrate your SQL server database to Amazon RDS instanace with easy steps. If you looks on AWS migration steps its too complicated, But windows Azure migration wizard tools provide an easier way to migrate data between local SQL Server to AWS RDS instance. Step 1. Download SQLAzureMW Tool 1.1. At the very first we need to download SQLAzureMW using below url and extract on your system at any location. Download SQLAzureMW tool 1.2. Use SQL Server Management…

The Dynamic Host Configuration Protocol (DHCP) is an essential network protocol that simplifies the management of IP addresses in a network. It automates the assignment of IP addresses, subnet masks, and other network parameters to devices, allowing them to seamlessly communicate within a local area network (LAN) or wide area network (WAN). This article will provide a comprehensive overview of DHCP, its core components, and its working process. We will also cover its advantages and potential security concerns. Understanding DHCP In the early days of networking, network administrators manually assigned IP addresses to devices. This process was both time-consuming and…

Fail2ban is a very useful application for you if you are managing the security of the server, or you are running your own VPS or physical server. Fail2ban scan log files created on the system and has the ability to ban IPs which found malicious based on configuration rules. We can use it for monitoring various system services logs like Apache, SSH and blog the IPs which are trying to breach the system’s security. Step 1 – Install Fail2ban on CentOS First of all, enable epel-release yum repository on your CentSO system. Then install the Fail2ban rpm package using the…

Amazon EBS (Elastic Block Store) provides persistent block storage for using with Amazon instances. Each Amazon EBS volume offering high availability and durability. It has capability to automatically replicate in its Availability Zone to protect you from component failure. This article will help you to Create and Add EBS Volume to your existing instance. All the command are used with this article are used with CentOS 6.5. So change commands used in Step #3 as per operating system used. Step 1: Create an EBS Volume First we need to login to AWS EC2 dashboard. After login navigate to following location…