Administering Red Hat Linux (V7) - Part 3

Follow-On Courses

• Apache Web Server
• Perl Programming
• Oracle SQL

Recap and Further Details on SYSTEMD

• Recap of systemd
• systemd Wants and Requires
• Useful systemd related utilities
• Exercise

Network Management and IPV6

• Routing under Linux
• IPROUTE suite of programs
• Configuring network cards and Routing
• Configuring the system as a Gateway
• IPV6 Addressing
• Local Network Bridges
• Network tools: tcpdump, netstat, wireshark,etc
• Configure Ethernet Bonding (Link aggregation, teaming)
• Exercise

File Security and Integrity

• System Security
• Extended Permissions
• GPG
• Why encrypt data and verify the sender
• Key pairs and management
• Using Digital signatures
• Checking and repairing file systems
• Exercise

Securing Networks: Firewalls

• Packet Filtering using firewalld
• Rule Targets
• Basic Rules and their Operation
• Connection Tracking
• Source and Destination NAT Configuration
• Exercise

Domain Name Server (DNS)

• The DNS/BIND system under Red Hat Linux
• Name Server Hierarchy
• Setting up DNS
• Master/Slave Zones
• Reverse lookup Zones
• Record types and their syntax
• Name Daemon Control Utility (rndc)
• Address Match Lists (acl)
• Configuring a Caching Only Name Server
• DNS in a chroot environment
• Testing a DNS server
• Exercise

Centralised and Secure Storage

• What is ISCSI
• Setting up ISCSI Target and Initiator
• Accessing Centralised Storage
• Accessing encrypted file systems
• Exercise

Configuring Network Time Protocol

• Stratum Levels
• Choosing a time source
• Configuring the ntp daemon
• NTP roles
• Setting up an NTP Server and Client
• Direct or Broadcast Polling
• Allowing NTP connections
• Syncing considerations
• Exercise

Further Security Features

• su and sudo configuration
• Configuring Kerberos Server and Client
• Exercise

Sharing Files Across the Network (NFS & SMB)

• Configure file sharing using NFS
• NFS commands
• Automounter
• Introduction to CIFS(SAMBA)
• Configure file sharing between hosts with CIFS
• Using Konqueror to access shares
• Exercise

Basic Mail Server Configuration

• Email Components
• Mail User, Mail Transport and Mail User Agents
• Postfix Configuration
• Configuring a null client using Postfix
• Dovecot - POP and IMAP services
• Exercise

SSL, TSL and Web Server Configuration

• Data Security and Encryption
• Public Key Encryption
• Configuring Virtual Hosts : Name And IP Based Access
• Displaying Apache Web Server Information and Status
• Dynamic Virtual hosts
• Configuring HTTPS
• Signed Certificates
• Apache SSL Configuration File
• HTTPS Virtual Hosts
• Exercise

Configuring a MARIADB Database

• Install and configure MariaDB
• Backup and Restore a database
• Create a simple database schema
• Perform simple SQL queries on the database
• Exercise

Shell Scripting

• What is a shell script?
• Creating and executing shell scripts
• User interaction
• Command line arguments
• Exercise

Conditional Shell Scripting

• Decision constructs using the 'if' statement
• Case statement
• Looping constructs: for/while/until
• Automating administrative tasks
• Exercise

Overview of Linux Containers

• What is a Linux Container
• What are the advantages of Containers
• What is Docker