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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, ∼359🔥, 0💬

"gzip/gunzip" - Compressed *.gz Files
This section provides a tutorial example on how to use 'gzip' and 'gunzip' commands to compress large files and restore them later. Compressed files will have the *.gz file name extension. 2022-10-01, ∼358🔥, 0💬

SSL/TLS Support on Tomcat 8 or Older
This section provides a tutorial example on how to configure Tomcat 8 or older to support SSL/TLS for the HTTPS service. 2024-04-12, ∼357🔥, 0💬

SELinux - Security-Enhanced Linux
This chapter provides introductions and tutorial on SELinux (Security-Enhanced Linux). Topics include introduction of SELinux basic concepts; User, Role, Domain, Type, Class, and Boolean; Type Enforcement policy rule syntax and database; making changes to SELiunx policy rules; using SELinux related ... 2022-10-01, ∼357🔥, 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, ∼357🔥, 0💬

Manage User Groups
This section provides a tutorial example on how to manage user groups. Use 'groupadd' to add new groups. Use 'usermod -g' to change user's primary group. Use 'gpasswd -a' assign supplementary group membership. 2022-10-01, ∼355🔥, 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, ∼350🔥, 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. 2022-10-01, ∼347🔥, 0💬

Set MySQL Server "root" Password on CentOS
This section provides a tutorial example on how to set or reset 'root' password, in case it has no password or you can not remember the password, for MySQL 8.0 server on CentOS 8 systems. 2022-10-01, ∼346🔥, 0💬

Network Firewall Tools on CentOS
This section provides quick descriptions on 3 major network firewall tools, 'firewalld/firewall-cmd', 'nftables/nft', and 'iptables' on CentOS 8 systems. 2022-10-01, ∼344🔥, 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, ∼340🔥, 0💬

Process Management
This chapter provides introductions and tutorial on managing processes on Linux systems. Topics include 'ps' to display processes; 'jobs' and other commands to manage background jobs; 'tmux' tool to manage multiple shells and keep them in background. 2022-10-01, ∼337🔥, 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, ∼336🔥, 0💬

Test FTP Access Remotely on CentOS
This section provides a tutorial example on how to update firewall on the vsftpd server (and its firewall gateway if it is served in the cloud) to open ports 21 and 30000-31000 for inbound connections. 2024-01-03, ∼334🔥, 0💬

SquirrelMail Configuration for SMTPS Port 465
This section provides a tutorial example on how to configure a SquirrelMail Webmail site to use the secure SMTPS port 465 to send out emails through a mail server on a local network. 2023-07-10, ∼334🔥, 0💬

Common Issues with Apache HTTPS Support
This section provides examples of some common issues related to HTTPS support on Apache HTTP Server. 2024-04-12, ∼333🔥, 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, ∼330🔥, 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, ∼329🔥, 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, ∼328🔥, 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, ∼328🔥, 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, ∼327🔥, 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, ∼326🔥, 0💬

/proc/{id}/smaps - Process Memory Map Details
This section describes the pseudo file '/proc/{id}/smaps' that represents virtual memory map of a given process with detailed information on each mapped area. 2024-08-17, ∼322🔥, 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, ∼322🔥, 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