The Geek Stuff
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Hello, My name is Ramesh Natarajan. The Geek Stuff blog mainly focuses on Linux and Open Source Technologies. I will be posting instruction guides, How-Tos, troubleshooting tips and tricks Linux and open source technologies. My focus is to write articles that will either teach you or help you resolve a problem.
The Geek Stuff
2y ago
When you install and configure the PaloAlto firewall, when the firewall boots up for the first time, it does the bootstrapping process. PaloAlto uses the settings defined in the bootstrap files, including the init-cfg.txt and bootstrap.xml under the config folder to configure the initial state of the firewall. For example, during the bootstrap process, it ..read more
The Geek Stuff
2y ago
Using AWS Secrets manager you can store, retrieve, rotate and manage secrets such as database credentials, API keys and other sensitive information used by your application. Secrets are rotated without any disruption to your application, and you can also replicate secrets to multiple AWS regions. You can manage secrets from AWS console, SDK, CLI, or ..read more
The Geek Stuff
2y ago
Using S3 replication, you can setup automatic replication of S3 objects from one bucket to another. The source and destination bucket can be within the same AWS account or in different accounts. You can also replicate objects from one source bucket to multiple destination buckets. If you want to have a second copy of your ..read more
The Geek Stuff
3y ago
JSON stands for JavaScript Object Notation, which is a format for structuring data that is very similar to the concept of maps in computer programming. Maps consists of keys and corresponding values. A key has to be unique within a map. JSON is light-weight format of representing data as text in a file, whose syntax ..read more
The Geek Stuff
3y ago
Managing routes is an essential configuration task for network admins who are managing firewalls. If you are using the PaloAlto firewall, this tutorial explains how to add static routes using both the PAN-OS command line interface and from the PaloAlto Firewall Console. 1. CLI – View Current Routes Before adding a route, view all current ..read more
The Geek Stuff
3y ago
Jenkins is a DevOps tool which can be used to automate your build, test and delivery of software code. If you are new to Jenkins, this tutorial will help you to understand how to create Jenkins pipeline using one of the following methods: Classic Jenkins User Interface Jenkins Blue Ocean User Interface which reduces clutter ..read more
The Geek Stuff
3y ago
Apart from the default route table that gets created when you create a transit gateway, you can also create additional route tables. This helps you to associate a specific attachment with a specific route table. The attachments can propagate their routes to one or more route tables. You can also add static routes to the ..read more
The Geek Stuff
3y ago
This tutorial explains how to manage PaloAlto users from CLI. You’ll learn about user and role related functionalities including how to create a new user, assign a role to an user, make regular user as an admin user, list all existing users, delete an user, etc., 1. Enter PaloAlto CLI Configuration Mode First, login to ..read more
The Geek Stuff
3y ago
AWS Transit gateway acts as a hub to connect multiple VPC and on-prem networks. Apart from attaching a VPC to transit hub and routing traffic, you can also attach a VPN connection or Direct Connect gateway to your transit gateway. You can also peer two transit gateways and route traffic between them. In a multi-account ..read more
The Geek Stuff
3y ago
PaloAlto releases software updates on an on-going basis. It’s essential that you stay current with the latest stable release of firewall. On a high-level the following are 5 easy steps to upgrade PaloAlto firewall: Pre-install: Verify current software version Check Available Software Versions Download Latest Version of PaloAlto Install the Latest version of Firewall Software ..read more