@rajeshyerravalli
Yerravalli IT Simplified offers practical tutorials, security insights, and consulting on IT security, DevOps, Infrastructure, Linux.
IT professional with 20+ years in infrastructure, security, and cloud. I create bilingual (Telugu-English) tutorials and blogs through Yerravalli IT Simplified, making complex tech clear and practical. Explore my work at
IT consulting, bilingual content creation, security training, and DevOps workshops. 💼 Freelance work or consulting 🎤 Speaking engagements or webinars 🧑🏫 Mentoring or training ✍️ Guest writing or collaborations 📢 Brand partnerships or sponsorships
Dec 31, 2025 · 8 min read · -🔍 What is Incident and Response? Incident refers to any unexpected event that disrupts normal operations, especially in IT or security. Response is the structured approach to detect, contain, and recover from that incident. Effective incident re...
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Oct 8, 2025 · 11 min read · Secure Shell (SSH) is the backbone of remote server management. However, its default exposed state makes it a prime target for automated brute-force attacks, where bots attempt to guess your login credentials. సెక్యూర్ షెల్ (SSH) అనేది రిమోట్ సర్వర్ ...
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Oct 8, 2025 · 7 min read · Secure Shell (SSH) is the backbone of remote server management. However, its default exposed state makes it a prime target for automated brute-force attacks, where bots attempt to guess your login credentials. Protecting your server isn't difficult—i...
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Sep 27, 2025 · 4 min read · Whether you're running a retail shop in Warangal or managing a consultancy in Hyderabad, cybersecurity is no longer optional—it’s essential. Small businesses are often targeted not because they’re high-value, but because they’re under protected. Cybe...
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Sep 19, 2025 · 7 min read · TL;DR This guide continues from the Ubuntu Server installation. You’ll install and enable OpenSSH, configure VirtualBox networking modes (NAT, Bridged, Host-Only, Internal), optionally set up port forwarding, and assign a static IP on Ubuntu using Ne...
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