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$ ip route show
default via 192.168.1.1 dev eth0 192.168.1.0/24 dev eth0 proto kernel 10.0.0.0/24 via 192.168.1.20 dev eth0
$
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ADB CommandsOpen technology index
65 entries02AndroidOpen technology index
37 entries03Linux, OS Concepts and NetworkingOpen technology index
36 entries04Commands and PackagesOpen technology index
30 entries05Linux Host, Ubuntu, SysAdminOpen technology index
28 entries06Operating System ConceptsOpen technology index
26 entriesRecently updated
Fresh from the index
Meaningful publication and substantial-update dates from the live library.
Fastboot Says “No Permissions”? Diagnose USB Before Editing udevADB Commands
Existing libraryA fastboot permission error is fixable, but only after you know Linux can see the bootloader. This diagnostic path separates USB, mode, tool, group, and udev-rule failures without normalizing sudo fastboot.
Who Is Really Logged In to This Linux Machine?Basic Linux Commands
Existing libraryThe who command can settle a tense “is anyone still using this server?” moment—provided you understand what its session records can and cannot prove.
Let the Linux tree Command Explain a DirectoryLinux Commands
Existing libraryTurn an unfamiliar directory into a readable map with tested tree commands for depth, filtering, metadata, symlinks, and machine-readable output.
Find the Right Files on Linux Without Fear of the ResultLinux
Existing libraryBuild predictable Linux find expressions for names, types, sizes, and file contents, then inspect every match safely before taking action.
Safely Rename Parts of Filenames and File ContentLinux
Existing libraryRenaming `memory_map.c` to `memory_mapping.c` and changing identifiers inside source files are separate operations. This guide previews both, handles unusual filenames, refuses collisions, keeps backups, and makes rollback practical.
Reference index
Results for “Android”
Field guideAndroid
01Android Bluetooth Architecture: From API to HCI
A practical map of Android Bluetooth from framework APIs and Binder calls through the Bluetooth module, JNI, native host stack, vendor boundary, transport, and controller—with release-aware AOSP paths and debugging checkpoints.
Field guideLinux
02Android Splash Screen Dimensions & SplashScreen API Setup
Configure splash screens in Android 12+: master SplashScreen API, icon dimensions (240x240 dp), windowSplashScreenAnimatedIcon, and theme XML.
Field guideAndroid Build System
03Android audio_policy_configuration.xml Architecture & Setup
Learn how Android Audio HAL routes streams, maps mixPorts to devicePorts, and configures audio_policy_configuration.xml for custom BSP hardware.
Field guideAndroid
04Install Java using apt-get command on Ubuntu
Installing JAVA on ubuntu can be done using following easiest command. for Ubuntu 20.04, this command installs … Read more
Field guideAndroid
05What is JSON? Understanding JSON Syntax with Simple Examples
In the world of data interchange and web development, JSON (JavaScript Object Notation) is a fundamental format … Read more
Field guideADB Commands
06Fastboot Says “No Permissions”? Diagnose USB Before Editing udev
A fastboot permission error is fixable, but only after you know Linux can see the bootloader. This diagnostic path separates USB, mode, tool, group, and udev-rule failures without normalizing sudo fastboot.
Field guideAndroid Applications
07Read Android API Level and Build Information Safely
Android’s `Build` and `Build.VERSION` APIs expose platform and firmware metadata, but those values serve different purposes. Use the numeric API level for compatibility checks, treat display strings as diagnostics, and avoid turning hardware fields into tracking identifiers.
Field guideADB Commands
08Test Android BOOT_COMPLETED Receivers Safely
A synthetic ADB broadcast can test receiver routing, but it does not reproduce a complete reboot. Build a minimal boot receiver, enqueue durable work, respect user-unlock and background limits, and verify both explicit broadcasts and genuine device boots.
Field guideAndroid Build System
09Building Android AAR Libraries and Linking Module API Methods
Learn how to create an Android AAR library module in Gradle, define public API interfaces, link local module dependencies, and invoke library functions.
Field guideSoftware Development
10Adb shell command to get Current Activity Name (Foreground / Top Activity )
Find active foreground Android app Activity names via ADB shell: run adb shell dumpsys activity dumpsys window | grep -E "mCurrentFocus|mFocusedApp".
Field guideLinux
11How to Use ADB Shell Commands on Android
Master ADB shell commands on Android: open interactive shell, execute pm list packages, inspect dumpsys services, capture logcat logs, and run shell scripts.
Field guideLinux
12C Array of Pointers to Strings: Complete Syntax & Examples
Master array of pointers to strings in C: compare 2D arrays vs char* arrays, dynamic malloc allocations, memory layouts, and qsort string sorting.
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