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Running Apache HTTP Server (httpd) on Linux Systems
This chapter provides introductions and tutorial on Apache HTTP Server (httpd) for Linux systems. Topics include installing Apache HTTP Server (httpd); opening firewall for http service on port 80; publishing Home Page; understanding Apache HTTP Server environment; installing Web server certificate;...
2022-10-01, 181🔥, 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, 180🔥, 0💬

System Users and Groups
This section provides a tutorial example on how to add and manage system users and groups on Linux computers.
2022-10-01, 180🔥, 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, 179🔥, 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, 179🔥, 0💬

"Operation not permitted" Error on macOS
This section provides a tutorial example showing 'Operation not permitted' error when executing a shell script file on macOS system.
2022-10-01, 179🔥, 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, 178🔥, 0💬

"compress/uncompress" - Compressed *.Z Files
This section provides a tutorial example on how to use 'compress' and 'uncompress' commands to compress large files and restore them later. Compressed files will have the *.Z file name extension.
2022-10-01, 178🔥, 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, 178🔥, 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, 177🔥, 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, 176🔥, 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, 176🔥, 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, 175🔥, 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, 175🔥, 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, 173🔥, 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, 172🔥, 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, 171🔥, 0💬

Cron Daemon, Table and Jobs
This section describes what is cron daemon and its related cron tables/jobs.
2022-10-01, 168🔥, 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, 168🔥, 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, 167🔥, 0💬

What Is RPM
This section provides a quick introduction on RPM (RedHat Package Manager), which is a free and open packaging system on Red Hat Enterprise Linux as well as other Linux and UNIX systems.
2022-10-01, 167🔥, 0💬

References
List of reference materials used in this book.
2022-10-01, 166🔥, 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, 165🔥, 0💬

Access Persmissions on "ntfs-3g" File System
This section provides a tutorial example on how to control access permissions on mounted Windows NTFS partitions with the 'ntfs-3g' device driver.
2022-10-01, 165🔥, 0💬

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