Red Hat Enterprise Linux 5 Advanced System Administration

AUDIENCE: Users who have attended the Enterprise Linux Administration course and require the advanced techniques and skills in order to integrate RHEL5, FedoraTM or CentOSTM 5 systems into their networks.
PREREQUISITES: The course assumes the delegate has already gained a good understanding of installing and using Red Hat Linux. A knowledge of Linux Administration e.g. from attending our Red Hat Linux System Administration course would be of benefit.
DURATION: 5 days. Hands on
OBJECTIVES: Linux is rapidly finding its way into business, education and government. Due to its outstanding reliability and performance, Linux is being used extensively for file, database and web server applications. While there are many Linux distributions, Red Hat Linux is by far the most popular.

The Enterprise Linux Advanced Administration course will allow delegates to create a local area network; set-up a Network File System server and clients; Network Information Services and DNS. Delegates will also be introduced to Samba to enable Windows based systems access to Linux services; and Apache for web server applications.
Course Objectives:
- Kernel Services & configuration
- Recompiling the Linux Kernel
- Introduction to Linux RAID
- Introduction to Logical Volume Management
- Setting up network client services
- Sharing files with NFS
- Sharing Windows and Linux resources with Samba
- Setting up a proxy server with Squid
- Setting up Network Information Services (NIS)
- Configuring DHCP servers & clients
- Setting up Domain Name Service (DNS) & BIND
- Using Apache to provide web services.
- Setting up E-Mail services
- Setting up telnet and FTP Services
- Operational recovery & security
COURSE CONTENT:
1. Kernel Services & Configuration
Kernel Basics
Kernel Versions
Kernel Sources
Recompiling a Kernel

2. Software RAID & Logical Volume Management
RAID levels
Mirroring a /home Partition
Logical Volume management

3. Apache
The Apache web server
The httpd.conf file
Apache Access Configuration
Virtual hosts

4. The Squid Proxy Server
Squid files & directories
Basic configuration
Configuration options
Security options

5. Network File System
NFS server configuration & operation
The /ec/exports file
NFS configuration tool
NFS performance
NFS client configuration

6. File Transfer Protocol
Configuring the vsFTPd process
vsFTP security

7. Samba Services
Samba background
Configuring Samba client
Configuring Samba Server
Configuring Samba users
The Samba configuration utility

8. Domain Name Service
Understanding DNS, Zones, Domains & Delegation
The Berkeley Internet Name Domain (BIND)
DNS Configuration files
Caching only name server
Slave name server
Forwarding only name server
The named.ca file
The zone files
The reverse zone files
DNS configuration utility

9. Electronic Mail
Definition of Mail agents
Configuring Dovecot for incoming mail
Configuring POP & IMAP
Configuring sendmail for basic operation
Configuring Postfix for basic operation
E-mail clients

10. Other network services
Extended Internet Services Daemon (xinetd)
Secure Shell Package
Dynamic Host Configuration Protocol
Network Time Protocol

11. The X Window System
X clients & servers
The xorg.conf file
X configuration tools
Running remote X applications
Desktops & window managers

12. Securing Services
Use of tcp_wrappers
Firewall and packet filtering
Network address translation
Security enhanced linux

13. Troubleshooting
Booting different run levels
Network problems
Hostname resolution problems
Partitions, filesystems & swap
Boot loader problems

NT07/01