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Introduction to Red Hat Enterprise Linux: Linux, Open Source
and Red Hat, Origins of Linux, Distributions, Duties of Linux System
Administrator.
Command Line: Working with the Bash Shell, Getting the Best of
Bash, Useful Bash Key Sequences, Working with Bash History,
Performing Basic File System Management Tasks, Working with
Directories, Piping and Redirection, Finding Files
System Administration Tasks: Performing Job Management Tasks,
System and Process Monitoring and Management, Managing
Processes with ps, Sending Signals to Processes with the kill
Command, using top to Show Current System Activity, Managing
Process Niceness, Scheduling Jobs, Mounting Devices, Working with
Links, Creating Backups, Managing Printers, Setting Up System
Logging, Setting Up Rsyslog, Common Log Files, Setting Up
Logrotate
Managing Software: Understanding RPM, Understanding Meta
Package Handlers, Creating Your Own Repositories, Managing
Repositories,Installing Software with Yum, Querying Software,
Extracting Files from RPM Packages
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II Configuring and Managing Storage: Understanding Partitions and
Logical Volumes, Creating Partitions, Creating File Systems, File
Systems Overview, Creating File Systems, Changing File System
Properties, Checking the File System Integrity, Mounting File
Systems Automatically Through fstab, Working with Logical
Volumes, Creating Logical Volumes, Resizing Logical Volumes,
Working with Snapshots, Replacing Failing Storage Devices, Creating
Swap Space, Working with Encrypted Volumes
Connecting to the Network: Understanding NetworkManager,
Working with Services and Runlevels, Configuring the Network with
NetworkManager, Working with system-config-network,
NetworkManager Configuration Files, Network Service Scripts,
Networking from the Command Line, Troubleshooting Networking,
Setting Up IPv6, Configuring SSH, Enabling the SSH Server, Using
the SSH Client, Using PuTTY on Windows Machines, Configuring
Key-Based SSH Authentication, Using Graphical Applications with
SSH, Using SSH Port Forwarding, Configuring VNC Server Access
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Working with Users, Groups, and Permissions: Managing Users
and Groups, Commands for User Management, Managing Passwords,
Modifying and Deleting User Accounts, Configuration Files, Creating
Groups, Using Graphical Tools for User, and Group Management,
Using External Authentication Sources, the Authentication Process,
sssd, nsswitch, Pluggable Authentication Modules, Managing
Permissions, the Role of Ownership, Basic Permissions: Read, Write,
and Execute, Advanced Permissions, Working with Access Control
Lists, Setting Default Permissions with umask, Working with
Attributes
III Securing Server with iptables: Understanding Firewalls, Setting Up
a Firewall with system-config-firewall, Allowing Services, Trusted
Interfaces, Masquerading, Configuration Files, Setting Up a Firewall
with iptables, Tables, Chains, and Rules, Composition of Rule,
Configuration Example, Advanced iptables Configuration,
Configuring Logging, The Limit Module, Configuring NAT
Setting Up Cryptographic Services: Introducing SSL, Proof of
Authenticity: The Certificate Authority, Managing Certificates with
openssl, Creating a Signing Request, Working with GNU Privacy
Guard, Creating GPG Keys, Key Transfer, Managing GPG Keys,
Encrypting Files with GPG, GPG Signing, Signing RPM Files
Configuring Server for File Sharing: What is NFS? Advantages and
Disadvantages of NFS, Configuring NFS4, Setting Up NFSv4,
Mounting an NFS Share, Making NFS Mounts Persistent, Configuring
Automount, Configuring Samba, Setting Up a Samba File Server,
Samba Advanced Authentication Options, Accessing Samba Shares,
Offering FTP Services.
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IV Configuring DNS and DHCP:Introduction to DNS, The DNS
Hierarchy, DNS Server Types, The DNS Lookup Process, DNS Zone
Types, Setting Up a DNS Server, Setting Up a Cache-Only Name
Server, Setting Up a Primary Name Server, Setting Up a Secondary
Name Server, Understanding DHCP, Setting Up a DHCP Server
Setting Up a Mail Server: Using the Message Transfer Agent, the
Mail Delivery Agent, the Mail User Agent, Setting Up Postfix as an
SMTP Server, Working with Mutt, Basic Configuration, Internet
Configuration, Configuring Dovecot for POP and IMAP
Configuring Apache on Red Hat Enterprise Linux: Configuring
the Apache Web Server, creating a Basic Website, Understanding the
Apache Configuration Files, Apache Log Files, Working with Virtual
Hosts, Securing the Web Server with TLS Certificates, Configuring
Authentication, Setting Up Authentication with .htpasswd,
Configuring LDAP Authentication, Setting Up MySQL
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V Introducing Bash Shell Scripting: Introduction, Elements of a Good
Shell Script, Executing the Script, Working with Variables and Input,
Understanding Variables, Variables, Subshells, and Sourcing,
Working with Script Arguments, Asking for Input, Using Command
Substitution, Substitution Operators, Changing Variable Content with
Pattern Matching, Performing Calculations, Using Control Structures,
Using if...then...else, Using case, Using while, Using until, Using for,
Configuring booting with GRUB.
High-Availability Clustering: High-Availability Clustering, The
Workings of High Availability, High-Availability Requirements, Red
Hat High-Availability Add-on Software, Components, Configuring
Cluster-Based Services, Setting Up Bonding, Setting Up Shared
Storage, Installing the Red Hat High Availability Add-On, Building
the Initial State of the Cluster, Configuring Additional Cluster
Properties, Configuring a Quorum Disk, Setting Up Fencing, Creating
Resources and Services, Troubleshooting a Nonoperational Cluster,
Configuring GFS2 File Systems
Setting Up an Installation Server: Configuring a Network Server as
an Installation Server, Setting Up a TFTP and DHCP Server for PXE
Boot, Installing the TFTP Server, Configuring DHCP for PXE Boot,
Creating the TFTP PXE Server Content, creating a Kickstart File,
Using a Kickstart File to Perform an Automated, Installation,
Modifying the Kickstart File with, system-config-kickstart, Making
Manual Modifications to the Kickstart File