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Verify Cache Memory with "cp" Command
This section provides a tutorial example to verify the cache memory usage in the RAM free space using a single 'cp' command. 2025-12-29, ∼113🔥, 0💬

Connect to Wi-Fi with GNOME Settings
This section provides a tutorial example on how to use GNOME Settings to connect to Wi-Fi service. 2025-12-29, ∼113🔥, 0💬

"who | w" - Logged-in Users and Their Running Commands
This section provides a tutorial example on how to display logged-in users and their running commands using 'who' and 'w' commands on Ubuntu systems. 2025-12-29, ∼113🔥, 0💬

hostnamectl - Display System Information
This section provides a tutorial example on how to display operating system information using the 'uname' and other commands on Ubuntu systems. 2025-12-29, ∼113🔥, 0💬

"jobs" - Manage Background Jobs
This section provides a tutorial example on how to use 'jobs' command to display background jobs, which are processes with input detached the keyboard. You can start a background job by adding the 'ampersand' sign to the end of the commmad. 2025-12-29, ∼113🔥, 0💬

"find" - Search for Files
This section provides a tutorial example on how to use 'find' command to search for files in a directory tree. '-name' and '-size' are 2 commonly used search conditions. 2025-12-29, ∼113🔥, 0💬

"xz/unxz" - Compressed *.xz or *.lzma Files
This section provides a tutorial example on how to use 'xz' and 'unxz' commands to compress large files and restore them later. Compressed files will have the *.xz file name extension. 2025-12-29, ∼113🔥, 0💬

Manage "apt" Package Repositories
This section provides a quick introduction on 'apt' package repositories, which are defined in the /etc/apt/sources.list file. 2025-12-29, ∼113🔥, 0💬

Truncate Log Files
This section provides a tutorial example on how to truncate log files in Ubuntu computers. 2025-12-30, ∼112🔥, 0💬

Create and Run Bash Script
This section provides a tutorial example on how to create and run a Bash shell script file. 2025-12-29, ∼112🔥, 0💬

"cURL" - Client for URL
This section provides a tutorial example on how to use 'cURL' command to send requests to a remote server in different protocols in URL format. 2025-12-29, ∼112🔥, 0💬

earlyoom - A Simple OOM Killer
This section provides a tutorial example on how to install 'earlyoom' to prevent OOM (Out Of Memory) freeze. 2025-12-29, ∼112🔥, 0💬

Move All Users to a New System
This section provides a tutorial example on how to move all users to a new Ubuntu system. 2025-12-29, ∼112🔥, 0💬

What Is Bash (Bourne Again SHell)
This section provides a quick introduction of Bash shell created by Brian Fox in 1989. 2025-12-29, ∼112🔥, 0💬

APT Package Archives and Metadata
This section provides a quick introduction on APT (Advanced Package Tool) cached archive and metadata files. 2025-12-29, ∼112🔥, 0💬

Command Input/Output Redirection
This section provides a tutorial example on how to use command input and output redirection operators to read input files and save output files. 2025-12-29, ∼112🔥, 0💬

SSH Protocol and ssh/scp Commands
This chapter provides introductions and tutorial notes on SSH (Secure SHell) protocol and 'ssh/scp' commands. Topics include SSH connection steps; user password and public key authentication methods; SSH server configuration settings; 'ssh' for remote login sessions; 'scp' for copying remote files. 2025-12-29, ∼112🔥, 0💬

gnome-tweaks - The GNOME Tweak Tool
This section provides a tuturial example on how to install 'gnome-tweaks' to customize touchpad to simulate mouse clicks. 2025-12-29, ∼112🔥, 0💬

"route" - Manage Routing Table
This section provides a tutorial example on how to use 'route' command to view and update the routing table for network traffic. 2025-12-29, ∼112🔥, 0💬

Layers of Memory and Access Speed
This section describes layers of memory: CPU Register, CPU Caches, RAM and hard disk. 2025-12-29, ∼112🔥, 0💬

List CPU Caches and Their Sizes
This section describes how to use 'lscpu', 'lshw' and 'dmidecode' commands to list CPU caches and their sizes. 2025-12-29, ∼112🔥, 0💬

smem - Process Memory Usage Report
This section provides a tutorial on how to install 'smem' and use it to report memory usage of each running process. 2025-12-29, ∼112🔥, 0💬

Administrative Tasks
This chapter provides introductions and tutorial on Ubuntu administrative task. Topics include shutting down and restarting system, moving /home to new partition, moving all users to a new system. 2025-12-30, ∼111🔥, 0💬

References
List of reference materials used in this book. 2025-12-29, ∼111🔥, 0💬

<< < … 7 8 9 10 11 12 13 14 15 16 > >>   ∑:379  Sort:Date

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO