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Listen to Non-Standard Ports with Apache
This section provides a tutorial example on how to add virtual hosts to listen to additional ports other than standard ports (80 and 443) with and without systemd Socket Activation service. 2024-04-12, ∼377🔥, 0💬

"iptables" Command on CentOS
This section provides a tutorial example on how to use 'iptables' daemon CLI to manage network firewall on older CentOS systems. 2022-10-01, ∼377🔥, 0💬

What Is Swap Space
This section describes swap space, reserved area on the hard disk that extends RAM to form a larger physical memory. 2024-08-17, ∼376🔥, 0💬

Install and Manage OpenJDK on CentOS
This section provides a tutorial example on how to install OpenJDK on CentOS 8 systems using 'dnf/yum' as the package manager. 2024-04-12, ∼374🔥, 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, ∼372🔥, 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, ∼371🔥, 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, ∼370🔥, 0💬

Administrative Tasks
This chapter provides introductions and tutorial on Linux administrative task. Topics include shutting down and restarting system, moving /home to new partition, moving all users to a new system. 2022-10-01, ∼370🔥, 0💬

"tmux" - Terminal Multiplexer
This section provides a tutorial example on how to use 'tmux' tool to manage multiple shells as windows and panes in a single terminal. 'tmux' automatically keeps all shells running when the terminal is disconnected. 2022-10-01, ∼370🔥, 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, ∼369🔥, 0💬

Test FTP Access Locally on CentOS
This section provides a tutorial example on how to use the 'ftp' client program to access the 'vsftpd' server locally on the same CentOS computer. 2024-01-01, ∼368🔥, 0💬

Install Python 2 Engine on CentOS
This section provides a tutorial example on how to install Python 2 engine to run old Python scripts and applications on CentOS systems. 2022-10-01, ∼368🔥, 0💬

What Is Conda
This section provides a quick introduction on Conda, which is a powerful open source environment and packager manager that allows you to install multiple environments for multiple versions of software packages and their dependencies and switching easily between them. 2022-10-01, ∼367🔥, 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, ∼366🔥, 0💬

Users and Groups
This chapter provides introductions and tutorial on user and group management. Topics include commands to add and remove groups; commands to associate users with primary and supplementary groups; commands to file group ownership and group access permissions; commands to add and delete users; run 'su... 2022-10-01, ∼364🔥, 0💬

Disable SSH Access for FTP Users
This section provides a tutorial example on how to disable SSH login access of a user on CentOS systems and allow his/her to use FTP service only for upload and download files. 2024-01-03, ∼362🔥, 0💬

Install Apache HTTP Server "httpd"
This section provides a tutorial example on how to install Apache HTTP Server 'httpd' on CentOS 8 systems. 2023-05-29, ∼362🔥, 0💬

Verify Apache HTTP Server "httpd" Environment
This section provides a tutorial example on how to verify key areas of the Apache HTTP Server 'httpd' environment on Linux systems. 2022-10-01, ∼362🔥, 0💬

Upgrade OpenJDK on CentOS
This section provides a tutorial example on how to upgrade OpenJDK on CentOS 8 systems using package manager 'dnf/yum' and symbolic link manager 'update-alternatives' symbolic links for 'java/javac' command. 2024-04-12, ∼360🔥, 0💬

Enable Remote Access to "httpd" Service
This section provides a tutorial example on how to enable remote access Web pages served by the 'httpd' service by opening the firewall for 'http' service default port 80. 2023-06-22, ∼360🔥, 0💬

Unreachable Remote File Systems
This section provides a tutorial example on how to resolve the unreachable remote file system problem, which causes all related commands to hang, using the lazy un-mount command 'umount -l'. 2022-10-01, ∼360🔥, 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, ∼359🔥, 0💬

NFS (Network File System)
This section provides a tutorial example on how to setup NFS server and client to share sub-directories as 'nfs' file systems. 2022-10-01, ∼359🔥, 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, ∼358🔥, 0💬

<< < … 2 3 4 5 6 7 8 9 10 11 12 … > >>   ∑: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