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
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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 ...

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...

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...

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...
