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LinuxCBT Enterprise Linux 5 Edition focuses on the RedHat® Enterprise 5 GNU/Linux operating system. It is the successor to LinuxCBT EL-4 Edition. LinuxCBT EL-5 Edition, is unparalleled in content, depth and expertise. LinuxCBT EL-5 Edition prepares you or your organization for successfully deploying and managing business-critical RedHat® Enterprise 5-based solutions. Let LinuxCBT EL-5 Edition teach you applicable GNU/Linux skills.
Recommended Prerequisites for:
* LinuxCBT EL-5 Edition o Open mind & determination to master Linux and related open-source applications
o Basic MS Windows skills
o Basic understanding of networking concepts
o Access to a PC to perform all of the installations and exercises
Installations - Shell Basics - Permissions - File Systems - Package Management
* Installations - Local Media - Network - LVM- RAID5 - VMWare - Kickstart o Explore network layout
o Discuss features of RedHat® Enterprise Linux 5
o Install RedHat Enterprise 5 on Dell Power Edge Server using local media
o VMWare - Virtual Machine Installation
o VMWare Network Installation
o Installation with RAID5
o Installation with Logical Volume Management (LVM) volumes
o Kickstart, automated installation
o Kickstart installation with RAID5
o FTP installation
o Explore - BIOS - GRUB - INIT environments
o Explain GNU/Linux System V Init Runlevel (0 - 6) concepts & applications
o Enter the Rescue environment
o Debug failed INITRD environments
*
* Common BASH Shell commands - Command Line Interface (CLI)
o pwd, touch, stat, ls - explore useful Linux system commands
o echo, cat - expose ASCII text and integrate with files
o cp - copy files
o mv - move files throughout the file system
o tar - explore features and advantages of tarballs
o gzip, bzip2, zip- intetgrate with tar and examine Internet archive
o diff - compare and contrast between 2 or 3 files - diff3
o file - discuss logic used to ascertain file type
o find - single and multiple expressions and criteria
o slocate - Compare and contrast with find and create system-wide DB
o w, wall, watch, whereis, which, who - Important w commands
o ps - explore process lists
o free & top - explore process management with top
o seq, top, jobs, fg, kill, killall, bg - Manage processes using standard tools
o Use grep to process lines
o Use awk to process fields
o Use sed to process text streams
o Explore Perl basics
o User and group creation & management concepts - passwd, shadow, group, gshadow files
o Use system-config-users to create and manage users and groups
*
* Permissions - Symlinks - Quotas - File System Management
o Discuss & Identify file system permissions
o Create Symbolic links (hard & soft)
o Implement file system quotas
o Use FDISK
o Create Standard Linux Partition
o Make EXT2 File System & mount for general usage
o Remove EXT2 partition and create EXT3-based parition
o FSTAB - explore File System Table
o Use FDISK to create a swap partition
o Create Swap partition using MKSWAP & SWAPON
o Provision additional swap space using swapon & swapoff
o Create Swap space using files in conjunction with partitions
o Logical Volume Management (LVM) - Discuss concepts and applications
o Allocate partitions for usage with LVM
o Create Physical Volumes
o Create Volume Groups based on Physical Volumes
o Create Logical Volumes based on Volume Groups
o Mount and use LVM Volumes
o Resize LVM Volumes
o Create run-time RAID volumes
o Evaluate results
*
* Kickstart-based RAID Installation
o Use Kickstart tool to configure automated kickstart process
o Installation via HTTP using Kickstart
o Discuss RAID concepts and configuration
o Configure RAID disk partitions
*
* RPM | YUM Package Management Tools - Concepts & Usage
o Query existing packages & file-based packages
o Identify offline and online package repositories
o Install packages
o Upgrade packages
o Freshen packages
o Remove packages
o Create YUM repository
o Install packages using YUM
*
* CRON - System Scheduler
o Explore Cron Implementation
o Explain scheduling options
o Global and scope-based Cron options
o Schedules jobs to run & examine the output
o Configure individual Crontab entries
*
* Explore System Logging via SYSLOG and Logrotate
o Explore Boot log & System Log
o Explore dmesg
o Explanation of syslog facilities & levels
o Demonstrate syslog administration
o Enable SYSLOG network listener
o Demonstrate Cisco PIX Firewall to Linux SYSLOG functionality
o Explore automatic log rotation and customization via Logrotate
o Configure Logrotate to rotate & compress sample log files
*
* Common Network Utilities
o Explore PING
o Use Telnet to test TCP ports
o Explore Netstat socket listings
o Use arp to reveal layer-2 information
o LFTP - basic usage, job control
o LFTP - mirror and reverse mirror content - resume transmission
o LFTP - batch, non-interactive, scripted mode
o Introduction to SSH concepts, implementation, etc.
o Use SSH Client to connect to remote Linux Systems using password authentication
o Identify key SSH-client files (.known_hosts, public/private key pairs,etc.)
o Authenticate to remote Linux systems using alternate credentials
o Use Secure Copy Protocol (SCP) to move data between systems non-interactively
o Use Secure File Transfer Protocol (SFTP) to move data between systems interactively
o Demonstrate how to generate Public/Private key (RSA/DSA) pairs using SSH-Keygen
o Demonstrate using SSH to authenticate to remote Linux hosts without passwords
o Install RedHat Enterprise Workstation on Dell Laptop using HTTP
o Generate Public Key/Private Key pairs for use with file and E-mail encryption
*
* Network Interface Configuration o Discuss concepts
o Identify key files
o Configure aliased interfaces
o Evaluate results
o
o Kernel Concepts and Management - NTSYSV & Chkconfig
+ Identify and discuss kernel implementation
+ Use kernel utils to identify modules and supported hardware
+ Discuss proper kernel update procedures
+ Download and Install the latest SMP-based kernel
+ Confirm results
+ Remove outdated kernel and confirm results
+ Download and Install the latest Uniprocessor-based kernel
+ Examine changes to GRUB and other key directory trees
+ Explore ntsysv
+ Explore chkconfig
*
* Implement Network Time Protocol (NTP) Client/Server
o Configure Network Time Protocol (NTP) to perform client/server time synchronization
o Synchronize SUSE Enterprise Linux NTP with additional Linux Stratum 2 NTP server
o Synchronize against Stratum 1 NTP servers
*
* Trivial File Transfer Protocol Daemon (TFTPD)
o Explain TFTPD Concepts & Applications
o Explore TFTPD configuration file
o Configure TFTPD with applicable options
o Backup Cisco configuration using TFTPD
*
* Very Secure File Transfer Protocol Daemon (VSFTPD)
o Explain VSFTPD Concepts & Applications
o Explore VSFTPD configuration file
o Configure VSFTPD with applicable options
o Connect to VSFTPD server
*
* TelnetD
o Explain Telnet Concepts & Applications
o Explore Telnet configuration files
o Evaluate Telnet connectivity
*
* Dynamic Host Configuration Protocol (DHCP)
o Explain DHCP Concepts & Applications
o Explore DHCP configuration files
o Configure DHCP subnet with applicable options
o Configure DHCP Reservation based on layer-2 address
*
* Domain Name System (DNS)
o Configure BIND as a caching-only DNS server
o Implement Master DNS Zone
o Configure Reverse Zone for local subnet
o Configure Master/Slave Zones with Linux Server
o Evaluate results of BIND configuration using DIG, nslookup & host
o Configure BIND with reverse DNS support
o Configure BIND with IPv6 support
*
* Network File System (NFS) Implementation
o Implement NFS Server
o Export shares and discuss options
o Mount NFS exports on remote Linux Host
o Implement AutoFS
*
* Samba Implementation
o Implement Linux & Windows Integration via Samba
o Explore Samba Configuration files
o Install Samba Server support
o Install Samba Web-based Administration Tool (SWAT)
o Configure Samba file sharing
o Configure Samba with multiple NETBIOS aliases
o Configure Samba-Active Directory Integration with Winbind
o Evaluate results
*
* top
Apache - MySQL® - PHP (LAMP)
* Apache Web Server Implementation o Discuss Apache server's features and concepts
o Examine Apache HTTPD CONF hierarchy
o Examine various configuration files
o Implement Apache Mod Alias
o Follow SYMLINKS
o Discuss and implement the Directory directive
o Restrict access to content based on IPs and subnets
o Discuss .htacess file with directives
o Configure IP-based Virtual Hosts
o Configure Name-based Virtual Hosts
o Implement Basic and digest authentication schemes
o Explore Apache logging semantics
o Implement Apache logging system per virtual host
o Configure Apache with SSL support
*
* MySQL® Relational Database Management System
o Install MySQL® Relational Database Management System
o Secure access to MySQL®
o Explore MySQL® monitor shell-based interface
o Create sample MySQL® database
o Populate with data and execute queries
o Evaluate results
*
* Postfix Message Transfer Agent (MTA)
o Introduction to Sendmail Implementation
o Configure Postfix as default MTA
o Introduction to Postfix Message Transfer Agent (MTA)
o Explore the directives in the Postfix configuration files
o Define default values for the FQDN
o Alter myorigin and examine results
o Configure Postfix to route messages using a Smarthost
o Examine how Postfix delivers mail locally
o Configure SMTP Relaying in Postfix
o Use Mutt to demonstrate outbound mail handling using Postfix
o Define SMTP Virtual domains for hosting multiple DNS domains
o Configure Postfix with a production LinuxCBT DNS domain
o Examine Virtual domain routing with production and non-production DNS domains
*
* Internet Messaging Access Protocol (IMAP) - Dovecot
o Explain IMAP concepts and applications in comparison to POP3
o Implement IMAP services
o Connect to IMAP services from remote Windows Outlook Express client
o Implement IMAPS
o Generate new self-signed SSL certificate for use with IMAPS
*
* Squirrel-mail Web-based Mail Interface Implementation
o Describe required squirrel mail components for web-mail integration
o Install squirrel mail on SUSE Enterprise Linux system
o Configure Apache virtual directory for squirrel mail integration
o Configure Apache Virtual Host for squirrel mail integration
o Configure BIND DNS services for squirrel mail integration
o Explore squirrel mail's web-based interface
*
* Squid Proxy Server
o Discuss features and benefits
o Explore configuration
o Enable and test Squid from a web browser
o Evaluate results
*
* top
Security Implementation Techniques
* SELinux Intro o Discuss features and benefits
o Explore default configuration
o Enable | Disable SELinux
o Identify key tools
o Evaluate results
*
* GNU Privacy Guard (GPG) Implementation
o Discuss features and benefits
o Explore default configuration
o Generate usage keys
o Encrypt | Decrypt data
o Exchange encrypted data with remote user
o Evaluate results
*
* Secure Shell Daemon - Secure Communications Implementation
o Explore SSHD key configuration files
o Restrict access to SSHD
o Explore SSHD logging
o Execute remote commands in non-interactive mode using SSH
o Discuss forced-commands framework
o Configure SUSE Enterprise to accomodate forced-commands
o Test forced-commands for pre-configured accounts for push/pull secure transactions
o Integrate SSHD with Windows 2003 Server and PuTTY SSH client
o Implement PKI with PuTTY SSH
o Use PSCP and PSFTP to communicate securely from Windows
o Evaluate results
*
* IPTABLES (Netfilter Linux Kernel-based Firewall)
o Discuss IPTABLES/Netfilter Concepts
o Explore default tables and chains
o Define and test INPUT chain
o Define and test OUTPUT chain
o Create user-defined chain and evaluate results
o Explain IPTABLES default chains/filters and policies
o Examine TCP/ICMP communications pre-IPTABLES chains
o Filter traffic based on Layer-4 TCP/UDP (Source/Destination Ports) information
o Restrict access to SSH and test connectivity
o Implement IP Forwarding between disparate subnets
o Evaluate IPTables6 (IPv6) support
o
*
* NMAP - Port Scanner and Vulnerability Assessment Tool
o Obtain, and install current version of NMAP
o Identify commonly used NMAPoptions/switches/parameters
o Explain typical TCPhandshake protocol while using NMAP
o Identifiy key NMAP configuration files
o Use NMAP to perform operating system fingerprinting
o Peform subnet-wide ethical scans
o Perform default TCPSYN-based ethical scans of local and remote resources
o Examine the results of scans on remote Cisco firewall with debugging mode enabled
o Perform default TCPConnect-based ethical scans of local and remote resources
o Peform local ethical scans
o Discuss NMAP's features and applications
o Perform Connect/Syn/Fin and various ethical port-scans
o Perform service exposure scans
*
* Nessus Vulnerability Scanner
o Download and Install Nessus Vulnerability Scanner
o Register Nessus to obtain updated definitions
o Perform basic Nessus system configuration and start the daemon
o Use Nessus Linux client to connect to Nessus Server and perform scans
o Examine resuls of scanning local and remote hosts
o Evaluate results
*
* Snort® 2.x Network Intrusion Detection System (NIDS)
o Obtain, and install pre-requisites (libpcap/libpcre/etc.)
o Obtain, compile and install the Snort® Network Intrusion Detection System (NIDS)
o Identify and explain key operating modes (Sniffer/Logger/NIDS)
o Explore in network sniffer mode
o Explain OSI Model and relevant sniffing options
o Explore Snort® in ASCII and Binary (TCPDUMP) logging modes
o Output logs to ASCII text format and examine the results
o Output logs to binary format and examine the results
o Implement Snort® with BPF to filter traffic
o Generate traffic from remote Linux host and evaluate with Snort
o Use Snort® with Berkeley Packet Filter (BPF) to parse logs
o Implement Snort® in NIDS modes
o Explore the snort.conf file and discuss rules
o Explain Logging and Alerting output options
o Install BASE - Analysis package
o Perform port-scans from remote Linux systems and analyze Alerts using BASE
o Configure Snort® to log to SYSLOG
*
* RH5.4 Updates
o Upgrade to RH5.4
o Explore FUSE
o Use curl to retrieve data
o Implement RDesktop & TSClient
o Use screen to manage multiple TTYs
o Configure VNC Server
o Explore EXT4 file system
o Evaluate results