NetstatNetstat (Network Statistics) is a powerful command-line tool that allows you to monitor the state of your network connections, sockets, and routing tables in real-time, which works both in Linux and Windows. It can display important information about network interfaces, active connections, and network statistics. The tool has been around… Read More »Monitor Your Network Connections with Netstat
iptablesIptables is a tool to manage the incoming and outgoing network traffic on a Linux system. This blog post provides a comprehensive overview of iptables, including its basic concepts, use cases, and security considerations. Additionally, this blog post provides tips for using iptables in real-world scenarios and offers a challenge… Read More »Protect Your Network with iptables
VagrantfileVagrant is a powerful tool that allows developers to easily create and manage virtual environments. This tutorial covers the basics of setting up a Vagrantfile using both Ubuntu and Rocky Linux examples, with a focus on practical use-cases for power-users and advanced users. Prerequisites Before you begin, you must have… Read More »Automate VM Setup with Vagrantfile
VPN ProviderAre you tired of being restricted from accessing your favorite content while on the go? Or are you concerned about your online privacy and security? If so, you may have heard about VPNs and the benefits they provide. What is a VPN? A VPN, or Virtual Private Network, is a… Read More »Things To Consider When Selecting a VPN Provider
Firewall Rules in UbuntuIntroduction to Firewall Rules in Ubuntu Ubuntu is one of the most popular Linux distributions that powers a vast majority of servers, workstations, and even personal computers. One of the key security features of Ubuntu is the firewall, which provides a barrier between the system and the outside world, controlling… Read More »Get Started with Firewall Rules in Ubuntu
Firewall ConceptsWhether you are a network administrator, security professional, or just someone interested in cybersecurity, understanding firewall concepts is essential. A firewall is a crucial component of your network’s security infrastructure that helps protect against unwanted and malicious traffic. What is a Firewall? A firewall is a security system designed to… Read More »What is a Firewall? Understanding Firewall Concepts
Challenges of AutomationThe introduction of automation into IT environments offers a range of potential benefits, from improved efficiency to greater cost savings. However, there are also several challenges that organizations must address in order to successfully implement automation. Lack of Knowledge One of the biggest challenges that organizations face when introducing automation… Read More »Overcome the Challenges of Automation
Auditing of User Accounts with a Bash ScriptCreating the Script In this example, we’ll be detecting changes to the system’s user accounts by using the cat command to read the /etc/passwd file. We’ll then store the output in a variable. Next, we’ll use a while loop to continuously check the user accounts and compare it to the… Read More »Automate Auditing of User Accounts with a Bash Script
File PermissionsLinux File Permissions are a way of controlling access to files and directories. It allows the user to decide who has access to the file, and what kind of access they have. This allows the user to have more control over the security of their system. Understanding Linux File Permissions… Read More »Securing Your System with Linux File Permissions
Operations DocumentationOperations documentation in IT is a crucial aspect of any organization’s IT infrastructure. It helps to ensure that all IT systems, processes, and procedures are well-documented, understood, and followed. Without proper operations documentation, IT teams may struggle to keep their systems running smoothly, troubleshoot issues, and maintain compliance. Here are… Read More »Master IT Operations Documentation