How to make an app for coaching classes: costs and ownership
Build from scratch, go white-label or join a marketplace: the costs, store fees and payment rules, and why your app should sit in your own developer accounts.
Ideas & updates
The Upclass Blog
Security, piracy and engineering deep dives, plus practical ideas for growing your institute. From the team building Upclass.
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Keep your LMS, secure your videos: SDK or migration?
For institutes with their own LMS and apps: when an SDK beats migrating, where leaks slip through after an integration, and what to ask a video security vendor.
Kubernetes HPA: horizontal pod autoscaling explained
How the HorizontalPodAutoscaler calculates replicas, why CPU is often the wrong metric, custom metrics, HPA vs VPA vs KEDA, node autoscaling and tuning.
How SSL/TLS works: the handshake, certificates and session keys
A step-by-step walk through the TLS 1.3 handshake, how certificates prove a site is genuine, and how session keys keep each connection private.
LMS migration checklist: switch without losing students
What to move and what to archive, how to move app users, an eight-week parallel-run plan, and a student communication timeline for switching platforms mid-session.
How to report a Telegram channel for copyright infringement
Step-by-step Telegram takedown for course owners: the Report button, Telegram's copyright email, what to write, private channels and legal routes in India.
Encryption at rest vs in transit: what each protects
In transit protects data on the network, at rest protects it in storage, and neither covers data in use. What each one stops, what cloud defaults cover and how to answer questionnaires.
Can encrypted data be hacked? How encryption really fails
Attackers rarely break the maths. They steal keys, guess passwords, attack devices before encryption or after decryption, or exploit bugs. What that means for protecting video.
ECC encryption vs RSA: elliptic curves explained
Why elliptic curves match RSA with far smaller keys: ECDH, ECDSA and Ed25519, choosing P-256 or X25519, measured speeds side by side, and the quantum risk.
RSA encryption explained: how it works, with an example
How RSA works, with a small-number example you can check by hand: encryption vs signing, key sizes and speed, RSA vs AES, and what quantum computers mean for it.
AES-GCM vs AES-CBC: which mode should you use?
GCM authenticates, CBC doesn't. Padding oracles, NIST's nonce rules, measured speeds, and why TLS uses GCM while HLS video still uses CBC.
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