This tutorial lists twelve practical Ubuntu keyboard shortcuts—from opening the search bar with the Super key to creating custom shortcuts—explaining how each shortcut works and how it can speed up everyday tasks and improve overall workflow efficiency.
This tutorial explains why a changing desktop IP can disrupt mouse‑sharing tools and walks you through checking the current network settings, recording the IPv4 address, gateway, mask and DNS, and then configuring a static IP (e.g., 192.168.0.210) in Ubuntu’s Network settings, ending with applying the changes and rebooting.
This step‑by‑step tutorial shows how to set up a highly available MongoDB cluster with sharding and replica sets on Ubuntu 18.04, covering key concepts, environment preparation, configuration of config servers, shard replica sets, the mongos router, enabling sharding, testing data distribution, and final deployment tips.
This tutorial walks through installing Java (JRE/JDK), setting JAVA_HOME, installing Jenkins via apt or Docker, configuring Jenkins service and Nginx reverse proxy, handling common timezone and permission errors, and resetting the admin password, providing complete commands and configuration snippets for a functional CI/CD setup on Ubuntu.
This guide walks you through enabling the Windows Subsystem for Linux, installing Ubuntu from the Microsoft Store, configuring your user, updating packages, and adding the Go programming language, providing clear screenshots and command examples for a smooth cross‑platform development setup.
This article explains how an expired AddTrust External CA Root caused HTTPS requests to Sentry to fail, shows how to reproduce the error with curl and OpenSSL, and provides step‑by‑step fixes for Ubuntu, Docker‑Alpine, and macOS environments.
Learn how to set up a Python environment on an Ubuntu ECS, install the presto‑python‑client and PyHive libraries, configure Kerberos and SSL credentials, run sample queries against a Presto coordinator, and avoid typical errors such as NTP, SSL and authentication issues.
Linux Lite 5.0 Final, codenamed Emerald, is a lightweight Ubuntu‑based distribution featuring Xfce, out‑of‑the‑box UEFI support, boot‑time integrity checks, an updated WhiskerMenu, and enhanced HiDPI settings, aimed at helping Windows users transition smoothly to Linux.
This guide walks you through installing Ubuntu 20.04, configuring root and sudo passwords, speeding up package management with apt‑fast, switching software sources, installing essential browsers, input methods, terminal tools, Zsh, Vim, Git tweaks, proxychains, desktop shortcuts, and a curated list of useful applications, all with concrete commands and examples.
Discover eleven free and open‑source image viewers for Linux, each with key features, screenshots, and simple terminal commands, so you can choose the best tool for quick browsing, editing, or advanced photo management on your desktop environment.
Upgrading from Ubuntu 18.04 LTS to 20.04 LTS brings a refreshed look, updated Nautilus file manager, smarter path bar, fractional scaling, enhanced Night Light, new dock shortcuts, advanced Snap permissions, and numerous performance tweaks that together reshape the desktop experience.
This guide walks through enabling the Windows Subsystem for Linux, installing Ubuntu (or other Linux distributions) from the Microsoft Store, creating a user, updating packages, and installing Go tools, with step‑by‑step screenshots and command examples for developers on Windows 10.
Learn how to locate exact package names on Ubuntu and Debian using apt‑cache, apt search, and aptitude, including updating the repository index, filtering results, viewing package details, and installing the discovered packages.
This guide explains how to hide an application from Ubuntu's Dash by locating its .desktop file, copying it to the local applications directory, editing the file to set Hidden=true, and then logging out and back in to apply the change.
Learn how to create a practical employee smart‑check‑in tool with just 12 lines of Python code by capturing mobile MAC addresses via a USB Wi‑Fi adapter, using scapy and pandas on Ubuntu, and automatically logging attendance without expensive hardware.
The article introduces the Ubuntu 'Hollywood' utility, explains its origin, and provides step‑by‑step commands to install the package (including adding its PPA), install required dependencies, and launch the program to transform the terminal into a flashy, multi‑screen hacker interface, complete with example screenshots.
This article provides a complete, step‑by‑step tutorial for uninstalling old Docker versions, configuring the APT repository, installing Docker Engine on Ubuntu, verifying the installation, enabling automatic start on boot, and setting up image acceleration.
Learn to track your laptop’s CPU and GPU temperatures on Ubuntu using command‑line tools like lm‑sensors, Glances, and i7z, with step‑by‑step installation commands, sensor detection, and example outputs to help you diagnose overheating issues.
This guide explains what the MySQL Test framework is, how to set up the required environment on Ubuntu, install dependencies and MySQL source, configure and compile the test suite, and demonstrates creating and running a simple test case with detailed command‑line examples.
If you enable automatic login on Ubuntu or other Linux distributions, you may repeatedly see prompts to unlock the login keyring, especially when using browsers that store passwords, and this guide explains the keyring concept, its security role, and step‑by‑step methods to change or disable its password.
This tutorial walks you through enabling the Windows Subsystem for Linux, installing Ubuntu from the Microsoft Store, configuring the new Linux environment, updating packages, and adding Go tools, providing clear screenshots and command examples for a smooth cross‑platform development setup.
This guide walks you through enabling the Windows Subsystem for Linux, downloading Ubuntu from the Microsoft Store, completing the installation, updating packages, and adding Go tools, providing screenshots and exact commands so you can develop Linux applications directly on Windows 10.
This tutorial walks you through twelve practical Ubuntu keyboard shortcuts—including the Super key menu, terminal launch, screen lock, window management, workspace navigation, and quick command execution—showing how each shortcut works and how to customize your own for faster, more efficient desktop use.
This guide explains how to install and use three command‑line tools—lm‑sensors, Glances, and i7z—on Ubuntu to monitor CPU and GPU temperatures, fan speeds, and other hardware metrics, providing step‑by‑step commands and example outputs for effective laptop cooling diagnostics.
This guide walks you through twelve practical Ubuntu keyboard shortcuts—from launching the app menu with the Super key to switching workspaces, splitting screens, and creating custom shortcuts—helping you navigate the GNOME desktop faster and work more efficiently.
This guide walks you through creating a bootable Ubuntu USB, allocating disk space, installing Ubuntu alongside Windows, adjusting the boot order, and safely removing the Linux partitions and boot entries to restore a single‑OS Windows system.
This tutorial walks you through installing the lightweight self‑hosted Git service Gitea on Ubuntu 18.04, covering prerequisite packages, user creation, binary download, systemd service setup, optional Nginx reverse‑proxy configuration, email notifications, and upgrade procedures with full command examples.
This tutorial explains how to detect hidden Wi‑Fi networks by capturing router signals with airodump-ng, analyzing them with Python's Scapy library on Ubuntu, and extracting the SSID when a client connects, providing step‑by‑step instructions and essential tools.
This comprehensive tutorial walks you through uninstalling old Docker versions, setting up repositories, installing Docker Engine, and verifying the installation on CentOS, Ubuntu 14.04/16.04, and Windows (including Docker Toolbox for Win7/8 and Docker Desktop for Win10), with all necessary commands and screenshots.
This guide explains IP address basics, special and private ranges, and provides step‑by‑step commands to set up static or dynamic networking on Ubuntu (pre‑ and post‑18.04), CentOS/Red Hat (5‑8), and openSUSE, highlighting the use of NetworkManager and legacy tools.
Open Surge is a free, open‑source 2D retro platform game inspired by Sonic that also serves as a game‑creation system, written in C with Allegro, and can be easily installed on Ubuntu 18.04+ via the Snap store with simple keyboard controls.
This guide walks you through multiple ways to enumerate every storage device attached to an Ubuntu system—including command‑line utilities like lsblk, fdisk, and parted as well as graphical tools such as GNOME Disks and GParted—while showing how to filter out unwanted loop or CD/DVD entries.
This guide introduces a collection of entertaining Linux command‑line utilities, showing how to install each package, explaining key options, and demonstrating playful uses that turn ordinary terminals into animated, interactive, or visually striking experiences.
This article compares Ubuntu and Fedora from a desktop perspective, covering their origins, installation processes, default desktop environments, package managers, hardware support, community resources, release cycles, and enterprise backing, to help readers decide which distribution better suits their experience level and preferences.
Ubuntu Cinnamon Remix is a community‑driven Linux distribution that blends Ubuntu's base with the Cinnamon desktop, offering a distinct set of packages, installation steps, and support considerations compared to Linux Mint, while still leveraging Ubuntu's repositories and update mechanisms.
This guide walks you through installing the Deepin‑Wine environment on Ubuntu, downloading and installing the latest Wine‑based QQ and WeChat packages, and troubleshooting common dependency and launch issues, so Linux users can reliably use these Windows applications.
This article compares Ubuntu and Fedora from a desktop perspective, covering installation ease, default desktop environments, package managers, hardware driver support, community resources, release cycles, underlying foundations, and enterprise backing to help readers decide which distribution suits their needs.
This guide shows how to install GNOME Tweaks on Ubuntu and walk you through ten practical adjustments—including theme changes, animation disabling, icon control, extension management, font scaling, touch‑pad behavior, power settings, top‑panel items, window controls, and workspace configuration—to fully customize your GNOME desktop.
Learn how to install and enable the Windows Subsystem for Linux on Windows 10, choose a Linux distribution from the Microsoft Store, activate the required Windows features, and configure Ubuntu with a user account—all illustrated with clear screenshots for a hassle‑free setup.
Ubuntu 19.10 “Eoan Ermine” introduces LZ4 fast‑boot compression, ZFS file‑system support, and GNOME 3.34, and the article explains key features, upgrade paths from earlier releases, download links, and alternative Ubuntu flavors, while warning against unsupported upgrade methods.
After a decade of using Ubuntu, the author migrated to Manjaro because it feels faster, runs fewer background services, offers a rolling‑release model, and provides a cleaner, more flexible package management system, making the overall Linux experience more efficient and enjoyable.
This guide compares eight popular Linux distributions—Elementary OS, Linux Mint, Arch/Antergos, Ubuntu, Tails, CentOS, Ubuntu Studio, and openSUSE—highlighting their target audiences, key features, strengths, and drawbacks to help readers choose the most suitable distro for their personal or professional use.
This guide explains how to install xrdp and tightvncserver on Ubuntu, configure root login, adjust .ICEauthority permissions, and connect to the Ubuntu desktop from Windows using the built‑in Remote Desktop client.
This guide shows how to install the xtrlock utility on Linux, create a script that locks the keyboard and mouse while leaving the screen visible, bind the script to a custom shortcut on Ubuntu or Arch MATE, and safely unlock or recover from a permanent lock.
This guide walks you through setting up Xshell on Windows, installing OpenSSH on Ubuntu, configuring SSH sessions, and using lrzsz or scp for reliable file transfers between local machines and remote Linux servers.
This article explains two frequent Nacos issues on Ubuntu—startup failures caused by shell syntax errors and database creation errors for Derby data—provides the exact error messages, shows the problematic commands, and offers step‑by‑step fixes including using bash with the correct flags and removing the corrupted Derby directory before restarting.
This tutorial provides a comprehensive, step-by-step procedure for setting up Hive 2.1.0 on a Hadoop 2.7.1 cluster running Ubuntu 14.04, covering environment preparation, Hive installation, configuration of environment variables, MySQL metastore integration, client setup, service startup, and basic verification commands.
This guide shows how to configure rc.local‑style startup commands on Ubuntu 16.04 by editing /etc/rc.local directly, and on Ubuntu 18.04 by linking the systemd rc‑local.service, creating an executable rc.local file, adding shell commands, and verifying the result after reboot.
This guide reviews the five Linux distributions—Ubuntu, openSUSE, Fedora, Pop!_OS, and Manjaro—that offer the best development environments in 2019, highlighting their strengths, tooling support, and suitability for various programming needs.
This guide shows Windows users how to replace painful pip installations and VM setups by running an Ubuntu Docker container, installing essential tools and Python, customizing Vim, and committing a reusable image for seamless Python development.
This guide walks you through installing Ubuntu 14.04, launching PyCharm, creating a new project, configuring a virtual environment, writing and running a simple Python script, and managing the IDE from the Ubuntu launcher, all with clear screenshots.
This tutorial explains how to use Scrapy on Ubuntu to create a project, define items, set up pipelines and settings, write a spider, and scrape completed novels from Qidian, while noting the VIP access limitation.
This guide walks you through installing virtualenv on Ubuntu 14.04, creating separate Python 2 and Python 3 virtual environments, activating and deactivating them, and verifying the active interpreter, all with clear step‑by‑step commands and screenshots.
This guide walks you through installing Python 3 (including specific version commands) on Ubuntu 14.04, explains the limitations of older Ubuntu releases, and shows how to toggle between the system‑provided Python 2.7 and the newly installed Python 3 interpreter.
This guide walks through configuring SSH keys, preparing a PHP webhook script, setting up Nginx, linking Coding and GitHub repositories, and troubleshooting common issues to achieve fully automated code deployment on an Ubuntu server.
This tutorial walks through setting up Docker on an Ubuntu VM, configuring user permissions, pulling a tutorial image, installing SSH, committing the container, and finally deploying Tomcat inside the container with port mappings, providing a complete hands‑on example of container‑based PAAS.
This step‑by‑step guide shows how to access the terminal in Ubuntu, install VMware Tools, switch to faster domestic apt mirrors, and add essential development packages such as vim, git, and gcc/g++ to turn a newly installed VM into a ready‑to‑code environment.
This guide walks Linux engineers through installing a VMware or VirtualBox virtual machine on a Windows PC, downloading the Ubuntu 18.04 64‑bit ISO, configuring hardware resources such as CPU, memory and disk, and completing the Ubuntu installation step by step, with screenshots for each stage.
This tutorial walks you through downloading an Ubuntu 14.04 cloud image, converting it with Glance, configuring OpenStack credentials, creating a key pair, launching a VM from the image via the dashboard, and accessing the instance securely using SSH.
This guide walks through troubleshooting Ubuntu 14.04 network manager incompatibility, configuring campus network access, setting up an SSH server, adjusting Vim tabs, installing Java JDK, Maven, Zsh, and various utilities, plus tips for grub configuration, system monitoring, and software enhancements on an old machine.
This article explains how to set up gcov and lcov on Ubuntu, write a simple C++ program, compile it with coverage flags, generate .gcno and .gcda files, use lcov to create an HTML coverage report, and interpret the resulting line and function coverage percentages.
This article outlines eight 2018 Linux trends predicted by OMGUbuntu, highlights Ubuntu's growing market share, and provides practical step‑by‑step advice—including essential commands, learning resources, and community tips—to help beginners become proficient Linux users and administrators.
This article provides a detailed, command‑line walkthrough for installing Java, Elasticsearch, Logstash, and Kibana on Ubuntu, configuring each component with example configuration files, and verifying the ELK stack works by sending test data and querying the REST API.
Discover a comprehensive collection of Ubuntu terminal keyboard shortcuts—including command-line navigation, editing, and window management—as well as handy shortcuts for common applications like Orca screen reader, Firefox, Gedit, and Nautilus, enabling faster, more efficient Linux workflow.
This tutorial walks through preparing an Ubuntu host, installing Docker CE and Docker Compose, generating TLS certificates with acme.sh, downloading and configuring the Harbor registry, and finally pushing and pulling Docker images to verify a secure private Docker registry setup.
This guide introduces ten entertaining Linux command‑line tools—such as sl, fortune, cowsay, cmatrix, figlet, toilet, oneko, xeyes, yes, and shred—showing how to install them on Ubuntu, use their options, and combine them for playful terminal tricks.
This guide surveys a wide range of Linux distributions, explaining each distro's purpose, target audience, and distinctive features—from enterprise‑grade openSUSE Leap to the highly customizable Arch Linux, the visually polished elementary OS, and privacy‑focused Tails—helping readers choose the right Linux system for any scenario.
This guide walks through installing required dependencies, setting up a download directory, obtaining the Remastersys and Remastersys‑GUI .deb packages, installing them, and using either the command‑line or graphical interface to back up an Ubuntu system into a bootable ISO image.
This guide walks through setting up Ubuntu 17.10 with Python 2.7, installing dlib and the face_recognition library, and demonstrates five practical examples ranging from a one‑line face‑recognition command to facial feature extraction and beautification, complete with code snippets and screenshots.
Ubuntu 17.10, the Artful Aardvark release, brings a major overhaul with GNOME Shell as the default desktop, a new Ubuntu Dock, Wayland as the default display server, revamped settings, and numerous visual and usability enhancements that reshape the Linux desktop experience.
This guide explains how to wrap a Java JAR into a systemd service on Ubuntu, create a startup script, enable automatic boot‑time launch, and monitor logs using journald, providing a reusable pattern for other languages and Linux distributions.
This step‑by‑step guide shows how to install and configure Apache Kafka and Zookeeper on Ubuntu Server, covering single‑node setup, a pseudo‑cluster with multiple brokers, and a full distributed cluster across several machines, including topic creation, producer/consumer testing, and essential configuration tweaks.
This guide introduces a collection of entertaining Linux terminal games—including 2048, Tetris clones, snake variants, Moonbuggy, Space Invaders, Pac‑Man, Sudoku, Nethack, and more—provides brief descriptions, installation commands via package managers or source download, and instructions to launch each game.
While many view the Linux terminal as a dull, black‑screen interface, it actually hosts a variety of entertaining games—like 2048, Bastet, Greed, Moon‑Buggy, nInvaders, nSnake, Pacman4Console, Sudoku, Nethack, and Robot Finds Kitten—each installable with simple apt commands and ready for endless idle fun.
This step‑by‑step tutorial shows how to install Ubuntu onto a USB flash drive using a VMware virtual machine, creating a portable Linux system that can boot on any computer while preserving all configuration and data.
This tutorial walks you through setting up Scrapy on Ubuntu, creating a project, defining items, configuring pipelines and settings, and writing a spider to extract finished novels from the Qidian website, while noting the limitation of VIP‑only content.
This tutorial walks you through preparing a ThinkPad X240s, backing up data, disabling fast startup and Secure Boot, creating a bootable Ubuntu Kylin USB, partitioning the drive, installing Ubuntu alongside Windows 10, and configuring EasyBCD for seamless dual‑boot operation.
This article compares CentOS and Ubuntu, outlining their histories, design philosophies, package management, update mechanisms, and stability trade‑offs to help readers choose the distribution that best matches their deployment and maintenance preferences.
Learn how to install and configure the ELK stack (Elasticsearch, Logstash, Kibana, and Filebeat) on Ubuntu 16.04, covering architecture, component roles, download sources, command-line installation, pipeline testing, and integration of Filebeat for real-time log collection and visualization.
Learn how to use the Linux ps command with the etime and etimes options to display the elapsed runtime of a specific process on an Ubuntu server, including finding the PID, formatting the output, and hiding headers for clean results.
This guide walks you through setting up a Docker Swarm cluster on three Ubuntu 16.04 servers, covering environment preparation, Docker installation, configuring a Consul discovery backend, creating manager and worker nodes, and managing containers across the swarm using the Docker remote API.
This guide walks through constructing a Kubernetes master high‑availability environment on a private‑cloud Ubuntu 14.04 platform, covering full component containerization, external load‑balancer setup with HAProxy and Keepalived, static pod configuration, privileged mode requirements, flannel networking, common pitfalls, and future HA master developments.
This tutorial walks you through installing Lua on Ubuntu, creating a convenient symlink, then demonstrates both calling Lua functions from C and invoking C functions from Lua, complete with compilation commands and expected output screenshots.
This guide walks you through installing Docker on Ubuntu, covering supported versions, system prerequisites, kernel checks, step‑by‑step installation commands, verification, and explains how Docker integrates with Huawei's eSDK storage via Unicorn Hub.
This article walks through installing Elasticsearch on Ubuntu, adding the IK Chinese analyzer and synonym filter, configuring custom analyzers, and using the Node.js client to index and query documents, providing a complete, reproducible setup for site‑wide full‑text search.
This tutorial walks through installing Docker on RedHat/CentOS (both 6.6 and 7) and Ubuntu 14.04, configuring it to start automatically, and then demonstrates running a simple hello‑world container, an interactive bash session, and a long‑running daemon container with detailed command explanations.
This guide explains how to configure Docker’s daemon to use DaoCloud’s Docker Hub Mirror on CentOS and Ubuntu, enabling dramatically faster image downloads by adding a registry‑mirror option, restarting the service, and verifying the speed with a test pull.
Learn how to install Docker on CentOS, start the service, pull the official Ubuntu image, and launch an interactive container to display a simple 'hello world' message, with step‑by‑step commands and screenshots illustrating each stage of the process.
To install Oracle or run other graphical applications on a remote Ubuntu machine, you can leverage X11 forwarding over SSH by enabling X11 support in sshd_config, connecting with the -X option, and launching GUI programs such as xeyes or Firefox, eliminating the need for a local GUI.
This step‑by‑step guide shows how to set up a production‑ready Django environment on an Ubuntu VPS, covering system updates, Python and virtualenv installation, Django, database, caching, asynchronous tasks, Gunicorn, Nginx, and process supervision with Supervisor.
This step‑by‑step guide shows how to harden a freshly installed Ubuntu 12.04 LTS server by creating a non‑root user, disabling root SSH access, configuring SSH keys, applying system updates, setting up iptables firewall rules, and installing Fail2Ban to automatically block malicious login attempts.
This guide explains how to detect DNS pollution on Ubuntu 12.04, disable the default NetworkManager dnsmasq cache, install and configure dnsmasq to route specific domain queries through OpenDNS on special ports, and verify that legitimate IP addresses are returned.
