Tutorials
What UML Actually Is, Who It’s For, and Why It Hasn’t Gone Away
UML is a visual notation for software systems — and in 2026, when AI writes the code and…
BackendSide Blog
Practical tutorials, security insights, server administration guides and software updates for developers, IT teams, and businesses.
Networking
What sFlow Actually Is — and Why It Matters More Than SNMP for Modern Network Monitoring
SNMP tells you how much traffic crossed an interface. sFlow tells you who, what, where and when —…
Security
The Complete Guide to File Integrity Checks
A practical, end-to-end guide to file integrity checks: what they are, how to compute and verify checksums on…
Linux
5 Essential Linux Commands Every Admin Should Know
Five Linux commands every administrator should master — grep, ss, journalctl, rsync and htop — with practical examples…
Security
Understanding SHA256: Why It Matters
A practical, in-depth guide to SHA-256: how it works, the security properties that matter, where it is used…
SQLite
SQLite Optimization Tips for Better Performance
Make SQLite genuinely fast: WAL mode, batched transactions, the right indexes (and EXPLAIN QUERY PLAN), key PRAGMAs, ANALYZE…
Software Releases
HashGen 2.0: A Ground-Up Rebuild
HashGen 2.0 is a complete rebuild: a modern Fluent interface, eleven algorithms, HMAC keyed hashing, parallel folder hashing…