Linux Advanced
THIS IS A DRAFT
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- title
- Linux Advanced
- author
- Lukasz Sokolowski
Linux Advanced Course
Linux Advanced Training Materials
Copyright Notice
Copyright © 2004-2026 by NobleProg Limited All rights reserved.
This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise.
Overview
- Day 1 - ssh, mysql, apache, samba
- Day 2 - ftp, e-mail, dhcp
- Day 3 - dns, squid, firewall, kernel
DAY 1
- Session 0: Warm up (-,
- Upgrade OS to 24.04
- Magic script (-'
- Session 1: Introduction to SSH and SSH Access Security
- Overview of SSH protocol and its significance in secure remote access
- Session 9: Databases (MySQL)
- Introduction to MySQL database management system
- Session 4: Web Servers (Apache)
- Introduction to Apache HTTP Server and its role in serving web pages
- Session 2: Samba File Sharing
- Introduction to Samba and its role in file and printer sharing
Session 0: wormUb (&
- Upgrading Ubuntu from cli
- Create scripts generator
- Exercises: 0, 2-5 from HERE
Session 1: Introduction to SSH and SSH Access Security
Overview of SSH protocol and its significance in secure remote access
- Securing SSH access using key-based authentication
- Implementing strong password policies and two-factor authentication
- Configuring SSH to allow access from specific IP addresses only
Session 9: Databases (MySQL)
Introduction to MySQL database management system
- Installing and configuring MySQL server
- Creating databases, tables, and user accounts
- Managing data, backups, and database security
Session 4: Web Servers (Apache)
Introduction to Apache HTTP Server and its role in serving web pages
- Installing and configuring Apache on Linux
- Creating virtual hosts for hosting multiple websites
- Configuring SSL/TLS certificates for secure HTTPS communication
Session 2: Samba File Sharing
Introduction to Samba and its role in file and printer sharing
- Configuring Samba server to share directories
- Setting up user authentication and permissions for Samba shares
- Accessing Samba shares from Windows and Linux clients
DAY 2
- Session 8: FTP Server
- Overview of FTP (File Transfer Protocol)
- Session 6: E-mail Servers (Sendmail, Postfix)
- Overview of email protocols (SMTP, POP3, IMAP)
- Session 7: DHCP Server
- Introduction to DHCP (Dynamic Host Configuration Protocol)
Session 8: FTP Server
Overview of FTP (File Transfer Protocol)
- Installing and configuring an FTP server (e.g., vsftpd, proftpd)
- Configuring user access, permissions, and secure FTP options
- Enabling FTPS (FTP over SSL/TLS) for encrypted file transfers
Session 6: E-mail Servers (Sendmail, Postfix)
Overview of email protocols (SMTP, POP3, IMAP)
- Setting up and configuring Sendmail or Postfix as an email server
- Configuring email aliases, virtual domains, and user mailboxes
- Implementing spam filtering and antivirus protection for email
Session 7: DHCP Server
Introduction to DHCP (Dynamic Host Configuration Protocol)
- Installing and configuring ISC DHCP server
- Assigning IP addresses, subnet masks, and other network parameters dynamically
- Managing DHCP leases and troubleshooting common DHCP issues
DAY 3
- Session 3: DNS (Domain Name System)
- Understanding DNS and its role in translating domain names to IP addresses
- Session 5: Cache Servers (Squid)
- Understanding the concept of caching and its benefits for web performance
- Session 10: Firewall handling, Kernel tweaking
- Advanced Firewall Setup, Kernel Configuration, and Compilation
Session 3: DNS (Domain Name System)
Understanding DNS and its role in translating domain names to IP addresses
- Setting up a DNS server using BIND (Berkeley Internet Name Domain)
- Configuring DNS zones, records, and name resolution
- Troubleshooting common DNS issues
Session 5: Cache Servers (Squid)
Understanding the concept of caching and its benefits for web performance
- Installing and configuring Squid as a caching proxy server
- Configuring access controls, caching policies, and logging in Squid
- Testing and monitoring Squid's caching effectiveness
Squid Intro
Caching proxy for the Web
- supports HTTP, HTTPS, FTP, etc
- reduces bandwidth and improves response times
- caching and reusing frequently-requested web pages
- has extensive access controls
- great server accelerator
- runs on most OSs, yup - SchWindows too (-;
- licensed under the GNU GPL
Squid Intro Con't
- drastically increases content delivery
- can reduce our server load and improve delivery speeds to clients
- can also deliver content from around the world
- copying only the content being used (no inefficient copy-all)
- has advanced content routing configuration
- content clusters route and load balance requests via web servers
Insta, config
TODO
Session 10: Advanced Firewall Setup, Kernel Configuration, and Compilation
Firewall handling, Kernel tweaking and compiling
- Advanced firewall setup using iptables
- Implementing network address translation (NAT) and port forwarding
- Introduction to kernel configuration and compilation
- Customizing kernel options for improved performance and security
