Showing headlines posted by johnludhi

Checkout how to automate the ssh login using ssh-add, ssh-agent and sshpass on Linux.

Checkout step by step instructions on how to setup Mysql Percona database servers on Kubernetes infrastructure

KeePass is a free and open-source password manager. Check out how to install and use KeePass on Ubuntu.

Learn how to install Docker and pull images from Docker Hub

In depth tutorial on how to setup Python virtual environment on Linux using Package managers

This post shows you how to copy a continue block of text in Vim

Check out this post to learn about a Python utility Pandashells to run Pandas data manipulation commands on Bash command line.

Checkout this post on Android development on Linux using Anbox.

Checkout easy to understand sed examples to do find and replace string from input, find and replace in a file, append to a file, remove empty lines from file, find and replace between specific lines etc.

Docker is an open-source tool that allows you to create, test and deploy applications inside containers. In this tutorial, we will show you how to install Docker CE on CentOS 8.

Please checkout tutorial with examples on how to use Awk for text processing.

Tutorial on how to use find command in Unix with examples.

In this tutorial, I have gone through how to install and configure a cluster of database servers running Percona XtraDB.

Tcpdump is a free and open-source command-line utility that can be used to capture the incoming and outgoing network traffic from your system. In this tutorial, we will show you how to capture packets using Tcpdump on Linux with some examples.

This is sequel to my first post which is about Wireless Penetration Testing.Please check it out for more details.

The ability to connect devices without physical access to them, also makes it hard to control who has that access. In this tutorial, we will go through various methods of gaining access to protected wireless networks, which will give you the needed know-how that will help you to set up your wireless environment as secure as possible. Due to the open nature of Linux, there are loads of ready made Linux distributions out there, whose sole purpose is penetration testing, and among them there are a few specialized in wireless field.

Naxsi is an open-source web application firewall specially designed for Nginx. Checkout my post about how to install and configure Naxsi on Ubuntu.

OpenVAS is an open-source Vulnerability Assessment System that can be used to run the test against servers for known vulnerabilities. Checkout the post on how to install and configure openVAS on Ubuntu.

Tutorial on how to install and configure Network Intrusion Detection System Snort on Centos 8.

Fail2ban is a free, open-source and most widely used IPS (Intrusion Prevention System) application that can be used to protect your server against brute force password login attacks. In this post I have explained how to configure and install Fail2ban utility on Centos 8. Also Check out how you can protect your SSH and HTTP against different kinds of attacks using Fail2Ban.