Linux Administration & Security Full Course | Sysadmin & Hardening
Linux System Administration and Security in this complete 6-hour course.
This comprehensive training covers the core skills required to manage, secure, and troubleshoot Linux servers in a professional environment. We start with the boot process and package management, then move into advanced security topics like hardening Apache, intrusion detection with Snort, SELinux policies, and configuring iptables firewalls.
What you will master in this course:
-System Boot: Understanding GRUB, Runlevels, and physical protections.
-Service Hardening: Securing Apache, Postfix, MySQL, and Tomcat.
-Security Tools: Using Tripwire, Snort, RootKitHunter, and Wireshark.
-User Management: Password cracking defenses, PAM, and SELinux.
-Network Security: Deep dive into iptables, Firewalld, and NAT.
Perfect for aspiring Sysadmins, DevOps Engineers, and Cybersecurity professionals.
TIMESTAMPS & CHAPTERS:
00:00:00 Introduction
Module 1: Introduction
00:01:24 What you will learn in this Module
00:04:11 What Is Linux
00:08:02 Distributions
00:12:04 Scratch Versus Binary
00:16:03 Ubuntu Package Management
00:19:22 RedHat Package Management
Module 2: Booting
00:24:03 What you will learn in this Module
00:27:47 Physical Protections
00:31:15 The Boot Manager (GRUB)
00:37:11 Protecting The Boot Manager
00:41:13 xinetd
00:45:27 Runlevels
00:50:00 Setting Default Runlevels
00:54:38 GRUB2
00:57:51 LILO
Module 3: Services
01:02:41 What you will learn in this Module
01:05:34 Service Management With RHEL7
01:09:10 TCP Wrappers
01:11:44 Listening Ports
01:17:25 Standard Postfix Configuration
01:23:31 Apache Configuration
01:30:34 Hardening Apache
01:37:46 Virtual Hosts In Apache
01:41:41 DNSSec
01:47:57 MySQL
01:53:10 PostgreSQL
01:57:10 Tomcat
02:02:45 JBoss
02:05:35 mod_security
02:12:39 SSL-TLS And Apache
02:19:11 SPF And Greylisting In Postfix
Module 4: Logging and Log Management
02:23:23 What you will learn in this Module
02:29:20 Remote Logging
02:33:11 Reading Log Files
02:38:58 Logwatch
02:45:26 Log Aggregation
02:50:08 utmp And wtmp
Module 5: Intrusion Detection and Prevention
02:53:50 What you will learn in this Module
02:57:33 Tripwire
03:04:41 Samhaim
03:07:54 Prelude
03:11:31 AIDE
03:15:10 Snort
03:22:16 Alerting With Snort
03:27:31 Snort Console
03:31:25 Reading Snort Traces With Wireshark
03:33:51 RootKitHunter
Module 6: Users and Permissions
03:37:26 What you will learn in this Module
03:44:31 Creating Users
03:47:52 Securing Passwords
03:51:20 Cracking Passwords
03:54:39 Alternate User Management
03:57:49 AppArmor
04:00:54 Unix Permissions
04:04:54 SELinux
04:07:45 Modifying SELinux Permissions
04:11:10 Restoring SELinux Permissions
04:13:48 PAM
Module 7: Utilities
04:17:03 What you will learn in this Module
04:21:01 Process Management – top And ps
04:26:18 Process Management – kill
04:30:26 nmap
04:35:57 OpenVAS
04:41:16 Nexpose
04:47:09 Find
04:50:59 tcpdump
04:55:18 Wireshark
05:00:49 lspci And lsusb
Module 8: Kernel
05:03:32 What you will learn in this Module
05:08:03 Kernel Modules
05:12:18 Managing Kernel Parameters
05:16:12 Kernel Builds
05:21:23 Kernel Config
05:24:12 Viewing Kernel Config From Running Kernel
Module 9: Firewalls
05:27:46 What you will learn in this Module
05:29:08 NAT With iptables
05:33:44 iptables Tables
05:35:58 Matching On Protocol
05:40:07 Rate limiting
05:42:59 New Versus Established Versus Related
05:46:50 Targets
05:49:10 iptables Logs
05:51:57 iptables With Multiple Interfaces
05:54:54 Firewalld
05:57:50 Zones And Services
06:00:25 Matching On Owner
06:03:31 ufw
06:06:24 gufw
06:08:36 Course Summary & Conclusion
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