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⚡ ADVANCED TOOLS

Feature-rich tools for deep analysis and troubleshooting. Click any card to open.

🔍

Log Query Builder

Parse logs, filter visually, generate grep/awk/sed commands

NGINX • Apache • Syslog • Docker • JSON

🔐

Security Header Tester

Test HTTP security headers, get letter grade, generate configs

HSTS • CSP • X-Frame • Referrer-Policy

⏱️

Cron Visualizer

Understand and visualize cron schedules with next run times

Parser • Timeline • Plain English • Next Runs

🔒

SSL Certificate Checker

Check SSL certificates, expiry dates, and chain validation

OpenSSL Commands • External Tools • Best Practices

📝

Regex Tester

Test regex patterns with live highlighting and capture groups

Live Highlight • Groups • Replace • Cheat Sheet

🌐

DNS Propagation

Check DNS propagation across 12 global servers in real-time

Multi-Server • Auto-Refresh • All Record Types

🛡️

Command Explainer

Understand commands before running • Prevent disasters

🔍 Log Query Builder & Parser

🔐 Security Header Tester

⏱️ Cron Expression Visualizer

🔒 SSL Certificate Checker

📝 Advanced Regex Tester

🌐 DNS Propagation Checker

UPPERCASE lowercase
Numbers Special (!@#$)

Private Key (KEEP SECRET!):

⚠️ SECURITY WARNING:
• Keys are generated in your browser - no data sent to servers
• Save private key immediately in ~/.ssh/id_xxx
• Never share your private key
• Set permissions: chmod 600 ~/.ssh/id_xxx
• Add public key to ~/.ssh/authorized_keys on remote servers

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📰 QUICK LINKS

Government & Compliance

Security News

Linux & Open Source

🔧 UTILITIES & COMMUNITIES

Documentation

Communities

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⚠️ IMPORTANT DISCLAIMER

Use at Your Own Risk: MYSYSAD is provided "as is" without warranty of any kind, express or implied. All commands, tools, and configurations are provided for educational and informational purposes only. Always verify commands before executing them on production systems.

No Liability: The creators and maintainers of MYSYSAD are not responsible for any damage, data loss, system failures, or other issues that may arise from using this site's tools, commands, or information. Test all commands in a safe environment first.

Content Accuracy: News feeds and external links are aggregated from third-party sources (Hacker News, Reddit, RSS feeds) and may not be accurate, current, or complete. We do not endorse or verify the content of external sites.

Privacy & Security: All browser-based tools (Base64, Hash, QR Code, JWT Decoder) run entirely in your browser. No data is transmitted to external servers. DNS lookups and feed aggregation use public APIs (Cloudflare DNS, Google DNS, HN Algolia). We do not collect, store, or track user data.

Professional Advice: This site does not provide professional IT consulting, security auditing, or legal advice. Consult qualified professionals for production systems and security-critical applications.

External Links: Links to external websites are provided for convenience. We are not responsible for the content, accuracy, or practices of external sites.

System Safety: Never run commands you don't understand. Always backup your data. Test in development environments before production deployment. Some commands (like rm -rf, dd, chmod 777) can cause irreversible damage if misused.

MYSYSAD