Linux Tutorials Herong S Tutorial Examples
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Linux Tutorials - Herong's Tutorial Examples
This book is a collection of notes and sample codes written by the author while he was learning Linux systems. Topics include using Cockpit Web portal for admin tasks; managing users and groups; managing files and directories; managing NTFS, CIFS, EXT4, LBA, LVM file systems; using network tools and security firewall; installing CentOS systems; using SELinux (Security-Enhanced Linux) system; DNF/YUM software package manager; SSH Server configuration and client tools; managing vsftpd - Very Secure FTP daemon; managing directory service with OpenLDAP; Updated in 2024 (Version v5.44) with email topics moved to 'Email Tutorials' book. For latest updates and free sample chapters, visit https://www.herongyang.com/Linux.
Python Tutorials - Herong's Tutorial Examples
This Python tutorial book is a collection of notes and sample codes written by the author while he was learning Python language himself. Topics include: installing Python environments on Windows, macOS and Linux computer; Python built-in data types; variables, operations, expressions and statements; user-defined functions; iterators, generators and list/set/dictionary comprehensions; modules and packages; sys, os, and pathlib modules; Anaconda Python environment manager; Jupyter Notebooks; NumPy, SciPy libraries. Updated in 2024 (Version v2.15) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/Python.
Email Tutorials - Herong's Tutorial Examples
This book is a collection of notes and sample codes written by the author while he was learning email systems. Topics include email message transmission protocols: SMTP, IMAP, POP3; secure connections with SSL/TLS protocols; managing Postfix server as MSA, MTA and MDA agents; managing Dovecot server for email retrieval with IMAP and POP3 protocols; Thunderbird and other email client tools. Updated in 2024 (Version v1.03) with minor updates. For latest updates and free sample chapters, visit https://www.herongyang.com/Email.