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Git

Essential Git version control commands

Juniper JunOS

Essential Juniper JunOS commands

vi/vim

Essential vi/vim editor commands

AWS CLI

Common AWS command line operations

Docker

Container management essentials

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Browser-Based Tools

All tools run entirely in your browser. No data is sent to servers or stored remotely.

Active Directory Troubleshooter

Interactive decision tree for diagnosing common Active Directory issues

Vendor Default Credential Lookup

Search default usernames, passwords, ports, and management URLs for common network and infrastructure devices

Certificate Analyzer

Parse and inspect SSL/TLS certificates (X.509)

Email Preheader Generator

Generate optimized email preheader text with preview and HTML code

Hash Identifier

Identify hash types by analyzing format and length

HTML Entity Encoder/Decoder

Encode and decode HTML entities for XSS prevention

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Featured Documentation

Comprehensive technical guides covering infrastructure, security, and operations

macOS Fresh Start Setup Guide

Complete guide for setting up a new macOS machine with essential development tools, productivity apps, and system utilities

Alerting Strategy

Design effective alerting systems that notify the right people at the right time without causing alert fatigue

BGP Best Practices

Essential BGP configuration guidelines, security measures, and optimization strategies

Disaster Recovery Planning

Strategies and best practices for disaster recovery, business continuity, and data protection

High Availability Patterns

Design patterns and strategies for building highly available systems that minimize downtime

Infrastructure as Code Best Practices

Essential principles and practices for managing infrastructure as code across any platform