Introduction Juniper SRX firewalls are widely used for enterprise and branch security, but even robust platforms like the SRX can run into issues with disk space and log management. If the /var partition fills up, you may see critical alarms, loss of log data, or even failures during configuration commits. In this article, we’ll walk…
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Managing network equipment often involves planned downtime for maintenance, upgrades, or reconfigurations. For Juniper network devices, the Command Line Interface (CLI) provides a straightforward way to schedule a system shutdown, including the ability to do so at a specific time. This article will guide you through the process of scheduling a power-off and how to…
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When setting up a Linux server—especially for web hosting, file sharing, or remote access via SSH—it’s often necessary to assign a static IP address. This ensures your server doesn’t get a new IP every time it reboots. If you’re running Ubuntu 18.04 or later, you’re likely using Netplan for network configuration. This guide will walk…
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When managing a network, it is often necessary to assign specific IP addresses to certain devices to ensure consistency, such as when dealing with servers, printers, or other devices that need a fixed address. Junos, the operating system used on Juniper Networks devices, provides a simple way to reserve IP addresses within the DHCP (Dynamic…
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A subnet in AWS is like a physical building within a specific location (called a region). For example, take the Ireland region (eu-west-1). In Dublin, AWS may have 3 separate buildings — each one is a subnet, located in a different Availability Zone (AZ). 📌 Why Subnets Exist This setup is all about High Availability…
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Amazon VPC (Virtual Private Cloud) is like your own mini data center in the cloud. Routing within a VPC is essential for controlling how traffic flows between subnets, the internet, and other AWS or on-premises networks. 🧭 1. What Is a Route Table? A route table in AWS defines how traffic is directed within and…
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☁️ AWS Networking Terminology (with Explanations) 📊 Diagram BelowThe diagram illustrates how connections between VPCs and AWS Regions work — including how traffic flows through Transit Gateways and peering links.
Sure! Here’s the English version with clear formatting: 🚀 Upgrade (Evaluation) to Full Version 🔄 Upgrade to Standard Edition: 🔄 Upgrade to Datacenter Edition: Note: The product keys provided are generic KMS keys from Microsoft, used for evaluation or volume licensing scenarios. You’ll need a valid license to activate Windows fully. Source: GitHub
📁 Create and Delete a Folder (Directory) in Linux ✅ Create a Folder To create a folder (directory), use: 🗑️ Delete a Folder To remove an empty directory: If the folder is not empty, use: ⚠️ Be cautious with rm -r — it deletes everything inside the folder. 🔐 Change Folder Permissions 1. Change Ownership…
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🔗 Mount and Unmount a Network Share (SMB) 📋 Prerequisite: On most Linux distributions, you need to install the cifs-utils package to mount SMB (Windows) shares: 🔧 Manually Mounting a Share Tip: For better security, use a credentials file instead of putting the username and password directly in the command. ⚙️ Automatically Mount at Boot…
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