RH033 Red Hat Linux Essentials a tour of Red Hat Enterprise Linux Note

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  An Introduction to Linux and Open Source: what are the central ideas behind the Linux phenomenon and where do they come from?
  

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  Logging into the system, changing users and editing text files.
  

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  How to use built-in and online documentation to enhance your experience.
  

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  Understanding the locations of important directories on a Red Hat Enterprise Linux system and navigating them from the command line and using the graphical Nautilus browser.
  

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  Reading and setting permissions on files and directories.
  

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  Basic tips and tricks to make Red Hat Enterprise Linux's default shell work for you. Topics include tab completion, history and an introduction to shell scripting.
  

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  The ins-and-outs of redirecting output between programs and files.
  

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  An introduction to some of the most useful text-processing utilities in Red Hat Enterprise Linux, including grep, cut, sed, sort, diff and patch.
  

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  How to get the most out of the powerful and flexible vim text editor.
  

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  Listing, terminating and scheduling program executions on a Red Hat Enterprise Linux system.
  

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  Using Red Hat Enterprise Linux's graphical and text-based configuration tools to manage networking, printing and date/time settings.
  

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  In-depth coverage of using the find command and related utilities to locate and act upon files based on arbitrary criteria .
  

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  An overview of network tools available in Red Hat Enterprise Linux, from web browsers to email clients and diagnostic utilities.
  

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  A deeper discussion of how user and group identities are stored on a Red Hat Enterprise Linux system, as well as the introduction of advanced filesystem permissions like SetUID and SetGID.
  

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  The nuts-and-bolts of how Red Hat Enterprise Linux deals with file systems. Topics include partitions, inodes, linking and archiving tools.
  

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  An introduction to fundamental system administration topics such as installing Red Hat Enterprise Linux, managing software packages, and enhancing security with SELinux and the net filter firewall.
  

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  Exposure to further options for training and involvement in the larger open-source community.
  

It is highly recommended that all prospective RHCT participants review the exam study guide in preparation for the course and exam.

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  Configure and access various consoles directly, remotely with ssh, and with virt-manager.
  
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  Configure privilege escalation with sudo.
  

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  Manage software on system using yum, Red Hat Network, and rpm.
  

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  Configure and manage system logging, time synchronization, printers, and task automation.
  
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  Troubleshoot SELinux.
  

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  Define boot process, recover system, and manage service startup.
  

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  Explore kernel modules and variants, tune kernel parameters, manage devices, and monitor processes and resources.
  

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  Configure dynamic and static network settings for IPv4 and filter packets.
  

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  Review filesystem management concepts, removable media and configure NFS shares with autofs.
  

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  Expand storage by adding new file systems and swap space.
  

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  Create, modify and delete users, groups, and policy.
  
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  Protect users and groups with quotas.
  

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  Establish collaborative group directories.
  
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  Protect users and groups with ACLs.
  

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  Revisit user administration by connecting to network directory services like NIS and LDAP.
  

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  Manage file systems using Software RAID and recover an array.
  

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  Manage file systems using Logical Volume Management.
  
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  Resize file systems and protect them with LVM Snapshots.
  

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  Perform automated installations of Red Hat Enterprise Linux.
  
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  Create para-virtualized user domains in Xen.
  

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  Explore troubleshooting methodologies.
  
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  Utilize the rescue environment of anaconda.
  

RH253 Red Hat Linux Networking and Security Administration

Course Outline

The following is an outline of the skills and knowledge represented in the training elements of the RH253 Red Hat Linux Networking and Security Administration Course.

Note: Technical content subject to change without notice. Significant changes in course content will generally be available in posted outlines at least two months prior to being implemented in scheduled courses, to allow enrolled students adequate prep time. Reload this page regularly to insure up-to-date information.

Unit 1: System Performance and Security

Identify how concepts and well formed policy map to configuration and accountability in networking and security administration.

Unit 2: System Service Access Controls

Implement secure access to system and network services using host-based access, SELinux, and system services management.

Unit 3: Securing Data

Secure data using fundamental encryption protocols, Public Key Infrastructure, and Digital Certificates. Configure and utilize encrypted remote system administration tools.

Unit 4: Network Resource Access Controls

Secure access to systems and services using the Net Filter kernel-level firewall.

Unit 5: Organizing Networked Systems

Understand and implement organized networked systems using the DNS and DHCP services.

Unit 6: Network File Sharing Services

Configure, control and secure access to FTP, NFS, and SMB/CIFS (Samba).

Unit 7: Web Services

Configure, implement and secure access to the Apache Web Server and Squid Proxy Cache.

Unit 8: Electronic Mail Services

Configure, implement and secure access to the Send mail and Postfix SMTP servers.

Unit 9: Account Management

Understand account management using Name Switch Service and Pluggable Authentication Modules.

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