Reproducible
engineering
experiments

A high load average, low “free” memory, or busy disk is a clue—not a root cause. Use interval-based Linux tools to separate CPU saturation, memory reclaim, swap, storage latency, network load, process behavior, and cgroup pressure before restarting or killing anything.

Sometimes when we try to compile an unknown go package, we can see an error like “no … Read more

Add “Sudo” user If somehow you Lost a “sudo” user which happened to me today, after upgrading … Read more

Follow below steps to boot the Androidthings on Raspberry Pi3 Download the prebuilt image from https://developer.android.com/things/preview/download.html this … Read more

ncdu turns a recursive disk-usage scan into a fast terminal browser, but its delete key deserves the same respect as `rm`. Start read-only, stay on the intended filesystem, export remote scans for offline analysis, and confirm why `df`, `du`, and ncdu may report different numbers.

Use Ubuntu’s libusb development package for ordinary application builds, or compile a reviewed upstream release into an isolated prefix when you need a newer or controlled version. Then verify the complete toolchain with pkg-config and a real USB device-enumeration program.

Connect your Android device over adb to get adb shell and check the default screen timeout value … Read more

DTB = Devicetree blob. Compact binary representation of the devicetree.DTC = Devicetree compiler. An open source tool … Read more

Install the maintained Git for Windows distribution with WinGet or the signed installer, then configure the identity, line-ending policy, credentials, and shell behavior that affect real projects. The guide finishes by creating and validating a small local repository.