Author: Hitesh Jethva

How to Install WordPress with SlickStack on Ubuntu 20.04

Many applications enable automation and configuration management, including Ansible, Puppet, and Chef. However, all those applications require in-depth knowledge and a lot of configuration to implement in a production environment. This is where SlickStack comes into the picture. SlickStack provides an easy-to-use shell script to deploy the modern web stack.

SlickStack is a free and open-source LEMP stack automation script created by LittleBizzy. It simplifies the installation of WordPress and other PHP-based CMS software with a single command. You can use SlickStack to set up a lightning-fast WordPress site. SlickStack takes care of all modern SEO specs and optimizes scores in GTMetrix, SSL Labs, Security Headers, Google PageSpeed Insights, and more.

SlickStack script will install the following modules:

  • WordPress
  • Nginx
  • OpenSSL or Let’s Encrypt SSL
  • MySQL
  • Redis
  • Adminer
  • Postfix
  • ClamAV
  • UFW Firewall

In this post, we will show you how to install WordPress with SlickStack on Ubuntu 20.04.

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How To Create a New User and Grant Permissions in MySQL8 on CentOS8

MySQL is one of the most popular database management systems around the world. This open-source database management system helps you to store, organize, and retrieve data. MySQL comes with a lot of options that allows you to grant specific permissions to databases based on user needs.

In this post, we will show you how to create a user and grant permissions in MySQL 8.

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How to Install Zeek Network Security Monitoring Tool in Ubuntu 20.04

Zeek, formerly known as Bro, is a network security monitoring tool for Linux. It is a free, open-source, and flexible tool that sits on a “sensor,” or cloud platform, and observes network traffic. Zeek monitors and records connections, the volume of packets sent and received, attributes about TCP sessions, and other metadata that is useful for analyzing network behavior. It helps you trace complex events across multiple flows and protocols with ease.

In this post, we will show you how to install the Zeek network security monitoring tool on Ubuntu 20.04.

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How to Install and Setup Apache Spark on Debian 10

Apache Spark is a free, open-source, general-purpose framework for clustered computing. It is specially designed for speed and is used in machine learning to stream processing to complex SQL queries. It is capable of analyzing large datasets across multiple computers and processes the data in parallel. Apache Spark provides APIs for multiple programming languages including Python, R, and Scala. It also supports higher-level tools including GraphX, Spark SQL, MLlib, and more.

In this post, we will show you how to install and configure Apache Spark on Debian 10.

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How to Change Nginx and Apache Port in Linux

Apache is a free, open-source, widely used web server known for its stability, flexibility, and numerous features.

Nginx is an open-source, stable, and most popular web server on the internet. It is used as a load-balancer, web reverse proxy, or as a POP and IMAP proxy server.

In this post, we will show you how to change the Nginx and Apache default port in Linux.

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How to Secure SSH Service with Port Knocking

Hitesh Jethva September 14, 2021 by under Tutorials, VPS Hosting 0 Comments

If you want to allow users to access specific services on your server without open a firewall, you can use port knocking. Port knocking is a method that allows you to secure your service from unauthorized users. Port knocking allows incoming connections when a correct sequence of connection attempts is received.

In this post, we will secure open SSH port 22 with port knocking. This port will only be opened when someone requests the ports 7000, 8000, 9000 in sequence.

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How to Configure Postfix as a Send-Only SMTP Server on Ubuntu 20.04

Hitesh Jethva September 13, 2021 by under Tutorials, VPS Hosting 0 Comments

A mail server is very useful when you own a website or web application and want to send transactional emails to users. Postfix is a free and open-source Mail Transfer Agent used to send and receive emails. Postfix is absolutely free, so you don’t need to rely on third-party service providers like Sendgrid or Pepipost. You can easily install and configure Postfix to send emails through your local application.

In this post, we will show you how to install and configure Postfix as a Send-Only SMTP server on Ubuntu 20.04.

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How to Monitor Linux Server Security with Osquery

Hitesh Jethva September 12, 2021 by under Tutorials, VPS Hosting 0 Comments

Osquery is an open-source security threat monitoring tool developed by Facebook. It is used for querying system information including system version, kernel information, running processes, memory information, listening ports, login users, and more. Osquery helps system administrators to write SQL queries to identify, probe, and eliminate various types of threats. It supports several operating systems including Windows, Linux, FreeBSD, and macOS.

In this post, we will explain how to install and use Osquery on Ubuntu 20.04.

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How to Install and Use Darkstat Web Based Linux Network Traffic Analyzer

Hitesh Jethva September 11, 2021 by under Tutorials, VPS Hosting 0 Comments

If you are a system administrator managing a Linux server, you want a simple tool that helps to monitor your server. Darkstat is a network traffic monitoring tool that calculates and reports usage statistics sent over the HTTP server. It is a lightweight, simple, and real-time network statistics tool with an integrated webserver. Darkstat supports IPv6 protocol and asynchronous reverse DNS resolution.

In this post, we will show you how to install and use Darkstat Network Traffic Analyzer in Linux.

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