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

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"ps" - Display Current Processes
This section provides a tutorial example on how to use 'ps' command to display current process on the system. 2022-10-01, ∼243🔥, 0💬

"uname" - Display System Information
This section provides a tutorial example on how to display operating system information using the 'uname' command on Linux systems. 2022-10-01, ∼243🔥, 0💬

Virtual Memory vs. Physical Memory
This section describes virtual memory, which is mapped to physical memory through MMU (Memory Management Unit). 2024-08-17, ∼242🔥, 0💬

MySQL Server File Locations on CentOS
This section provides a tutorial example on how to find and view MySQL Server file locations for MySQL 8.0 server on CentOS 8 systems. 2022-10-01, ∼240🔥, 0💬

Change PHP Configuration Settings
This section provides a tutorial example on how to change PHP configuration settings, like increasing upload_max_filesize and post_max_size to upload large files with PHP scripts. 2022-10-01, ∼238🔥, 0💬

Performance of Inserting Integers to MySQL Database
This section provides a tutorial example on how to test the performance of inserting integers into MySQL server database using PHP 'mysqli' functions. MySQL server is 100 times slower on my CentOS computer and macOS computer. 2022-10-01, ∼238🔥, 0💬

References
List of reference materials used in this book. 2022-10-01, ∼238🔥, 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 Linux systems. 2024-08-17, ∼237🔥, 0💬

Support FTP Over TLS on CentOS
This section provides a tutorial example on how to turn SSL/TLS support in vsftpd server on CentOS systems. A private-public key pair and a self-signed certificate is generated with the OpenSSL tool. 2024-01-03, ∼237🔥, 0💬

Running PHP Scripts on Linux Systems
This chapter provides introductions and tutorial examples about running PHP scripts on Linux systems. Topics include installing PHP engine on CentOS Linux systems; installing missing PHP modules; dumping PHP environment info; 'include' statements. 2022-10-01, ∼237🔥, 0💬

Start/Stop Apache Tomcat
This section provides a tutorial example on how to start and stop Apache Tomcat on Linux systems. 2024-04-12, ∼236🔥, 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. 2023-12-26, ∼236🔥, 0💬

Files and Directories
This chapter provides introductions and tutorial on file and directory management. Topics include commands to search and find files, read text files in different ways, split, join and truncate files, compress and restore files, archive and extract filesm. 2022-10-01, ∼235🔥, 0💬

Files Used in PHP "include" Statements
This section provides a tutorial example on how to the PHP engine search for files given in the 'include' statements. 2022-10-01, ∼234🔥, 0💬

What Is YUM
This section provides a quick introduction on YUM (Yellowdog Update Modified), which is a software package manager for RPM (RedHat Package Manager) based Linux distributions. 2022-10-01, ∼232🔥, 0💬

Move All Users to a New System
This section provides a tutorial example on how to move all users to a new Linux system. 2022-10-01, ∼230🔥, 0💬

"free" - Display Free and Used Memory
This section provides a tutorial example on how to display free and used memory information using the 'free' command on Linux systems. 2022-10-01, ∼229🔥, 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. 2022-10-01, ∼228🔥, 0💬

"more", "head" and "cat" - Read Files
This section provides a tutorial example on how to use 'more', 'head' or 'tail' commands to read text files one screen at a time, to read the first 10 lines, or to read the last 10 lines. 2022-10-01, ∼227🔥, 0💬

Requirements for Supporting HTTPS on Apache
This section provides a brief summary of requirements on configuring the Apache HTTP Server to support the HTTPS protocol. 2024-04-12, ∼226🔥, 0💬

"ps" - Display Current Processes
This section provides a tutorial example on how to use 'ps' command to display current process on the system. 2022-10-01, ∼226🔥, 0💬

Ubuntu Tutorials - Herong's Tutorial Examples
This book is a collection of notes and sample codes written by the author while he was learning Ubuntu systems. Topics include using GNOME desktop for graphical applications; using shell for command line tools; managing processes and memory; managing files and directories; using APT (Advanced Packag... 2025-12-29, ∼225🔥, 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. 2023-05-24, ∼225🔥, 0💬

Performance Comparison of Inserting Integers vs. Strings
This section provides a tutorial example on how to check performance comparison between inserting integers and inserting strings to MySQL database. 2022-10-01, ∼225🔥, 0💬

<< < … 3 4 5 6 7 8 9 10 11 12 13 … > >>   ∑: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