How to Benchmark USB Flash Drive Read/Write Speed on Linux
Measure USB flash drive write and read speed on Linux: benchmark block performance using dd count=1000 bs=1M status=progress and hdparm.
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Top Open Source Linux Performance & Debugging Tools
Master open-source Linux performance profiling and debugging tools: trace system calls with strace, profile CPU with perf, and find memory leaks.
How to Redirect a Subfolder to a Subdomain in Nginx & Apache
Redirect website subfolders (domain.com/blog/) to subdomains (blog.domain.com): configure Nginx return 301 and Apache .htaccess RewriteRule.
How to Transfer Files Securely with SFTP on Ubuntu Linux
Transfer files securely over SSH using SFTP on Ubuntu Linux: connect via sftp user@host, download with get, upload with put, and configure non-standard ports.
How to Upload Files and Images Using cURL
Upload files and images via HTTP POST using cURL: execute curl -F "file=@photo.jpg" URL for multipart form uploads and binary payload POSTs.
How to Install Apache Tomcat 10 on Ubuntu Linux
Install Apache Tomcat 10 web server on Ubuntu Linux: setup OpenJDK Java 17, create tomcat system user, configure systemd service, and open firewall.
How to Launch Gmail Compose Intent in Android (Kotlin)
Launch the Gmail email compose screen on button click in Android using Kotlin: build ACTION_SENDTO Intent with mailto: URI and subject extras.
How to Open Play Store App Links in Android
Open Google Play Store app listing links directly in Android: launch market://details?id=package_name URI intents with HTTPS fallback in browser.
How to Check CentOS and RHEL Version in Linux
Check CentOS and Red Hat Enterprise Linux (RHEL) release versions from terminal: inspect cat /etc/os-release, hostnamectl, and rpm -q centos-release.
How to Install Python Pip on Ubuntu Linux
Install pip3 package manager on Ubuntu Linux: run sudo apt install python3-pip, verify pip3 --version, and upgrade pip in virtual environments.
How to Change Default Python Version in Ubuntu
Switch default Python version on Ubuntu: configure update-alternatives --config python3, manage system symlinks, and set up isolated virtualenv.
How to Install Python 3 on Ubuntu Linux
Install Python 3 on Ubuntu Linux: use official deadsnakes PPA, install specific Python versions (3.11, 3.12), and setup virtualenv.
How to Configure Bluetooth on Ubuntu (bluetoothctl)
Configure Bluetooth adapters on Ubuntu Linux: use bluetoothctl scan on, pair MAC address, connect devices, and manage hci0 interfaces in terminal.
Top Open Source Video Editors for Linux Ubuntu
Compare top open-source video editing software for Linux Ubuntu: review Kdenlive, Shotcut, OpenShot, and Blender video sequence editor.
How to Install Blender 3D & Video Editor on Linux
Install Blender 3D suite and video editor on Ubuntu Linux: use sudo snap install blender --classic or official tarball binaries for GPU rendering.
How to Debug ARM Binaries on x86 Host with QEMU and GDB
Debug ARM ELF binaries on x86_64 host: run qemu-arm -g 1234 ./arm_binary, attach gdb-multiarch remote target localhost:1234, and inspect registers.
How to Install TeamViewer on Ubuntu Linux
Install TeamViewer remote desktop client on Ubuntu Linux: download official .deb package, resolve dependencies via apt install -f, and launch.
How to Audit & Fix Broken Links with LinkChecker
Find broken HTTP 404 links across websites using LinkChecker: crawl site internal links, generate HTML status reports, and prevent SEO traffic loss.
How to Compile Custom Linux Kernel for Android AOSP
Compile a custom Linux kernel for Android AOSP on Ubuntu: setup ARCH=arm64 CROSS_COMPILE toolchain, configure defconfig, build Image.lz4-dtb.
Building Custom Embedded Linux Kernels: From Defconfig to Production Deployment
Master custom embedded Linux kernel compilation: configure defconfig, strip bloated subsystems, tune menuconfig, compile DTBs, and boot on ARM hardware.
Fix Yocto QA Issue : “was already stripped, this will prevent future debugging !”
Fix Yocto BitBake build warning "QA Issue: binary was already stripped": configure INSANE_SKIP += "already-stripped" or prevent premature binary stripping.
Cross Compile Busybox for ARM
Cross-compile BusyBox for ARM embedded targets: configure defconfig, set ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-, build statically, and install.
Optimize Performance in Embedded Linux Applications: Best Practices and Tips
Optimize C/C++ application performance on embedded Linux: profile CPU bottlenecks using perf, reduce RAM footprint, use static linking, and tune LTO.
Set Up a Development Environment for Embedded Linux
Set up an embedded Linux development environment on Ubuntu: install cross-compilers, QEMU, GDB, Yocto dependencies, and TFTP boot servers.