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LINUX ADMIN - LINUX NETWORK ADMIN |
This course covers all the topics of "Linux Networking & Security Administration". Audience : Those who has undergone the Training for Linux System Admin and want to achieve expertise in Linux Network and Security Administration. Prerequisite : User-level experience with any computer system, including: use of mouse, use of menus and use of any graphical user interface. Should have undergone the training or have the knowledge of Linux System Admin.
Duration of the course : |
Part Time : 2 Month (2 Hrs/Day) |
Full Time : 10 Days (8 Hrs/Day) |
Key Benefits : On completion of this course, the candidate can appear for the RHCE Exam, a realistic performance-based lab exam that tests his/her actual ability to: install and configure Linux; understand limitations of hardware; configure networking and file systems; configure the X Window System; configure security, set up common network (IP) services, carry out diagnostics and troubleshooting, and perform essential Linux system administration.
Course Contents :
Overview:
- UNIX History & Principles.
- Local Logins & Virtual Consoles.
- The Xorg GUI Framework.
Running Commands and Getting Help:
- Running Simple Commands.
- Getting Help.
- The what is, help & man Command.
Browsing the Filesystem:
- Linux File Hierarchy Concepts.
- Absolute and Relative Pathnames.
- Copying Files and Directories.
- Creating Moving and Renaming Files and Directories.
The bash Shell:
- bash Introduction.
- bash Heritage and Features.
- Command Line Shortcuts.
- Command Line Expansion.
- gnome-terminal.
Standard I/O and Pipes:
- Standard Input and Output.
- Overwriting vs Appending.
- Redirecting Both Standard Output and Error.
- Using Pipes To Connect Processes.
Users, Groups, and Permissions:
- Users, Groups & The root user.
- Examining Permissions.
- Linux Process Security.
vi and vim Editor Basics:
- Overview of vi and vim.
- Three Modes of vi and vim.
- Cursor Movement.
The Linux File system In-Depth:
- Partitions and File systems.
- Inodes and Directories.
- Symbolic (or Soft) Links.
- Hard Links.
- The Seven Fundamental File types.
Configuring the Bash Shell:
- Configuring the Bash Shell Variables.
- Common Local Variables.
- Startup Scripts: Order of Execution.
Advanced Topics in Users, Groups and Permissions:
- /etc/passwd, /etc/shadow, and /etc/group files.
- System Users and Groups.
- Default & Special Permissions.
Advanced vi/vim and Printing:
- File Repositioning, Filtering.
- Advanced Reading and Saving.
- Using multiple "windows".
String Processing:
- Head, tail, wc (word count), sort, uniq etc.
- Other String Processing Tools.
- Pattern Matching with Regular Expressions.
- Wildcard Characters.
Finding and Processing Files:
- Slocate, find
- Executing Commands with find
Investigating and Managing Processes:
- How Processes Are Created.
- Viewing & Sending Signals to Processes.
- Interactive Process Management Tools.
- Scheduling a Process To Execute Later.
bash Shell Scripting:
- Scripting Basics
- Creating Shell Scripts
- Conditional Execution
- for loops & while loops
Network Clients:
- Web Clients.
- Firefox & Other GUI Web Browsers.
- Email and Messaging.
- Ssh, scp, telnet and the "r" services.
- Rsync, lftp, gFTP & smbclient.
- Mounting Floppy, CDs and USB Media.
Installation:
- Hardware Overview
- CPU and Memory
- Preparing to Install
- Multiboot systems
- The RHEL Installer
- Installer Features
- RHEL Installation Overview
- Partitioning Hard Drives
- Sample Partition Structure
- Configuring File Systems
- Software RAID
- LVM: Logical Volume Manager
- Network Configuration
- Firewall Setup
- Security Enhanced Linux
- SELinux Installation Options and Control
- Package Selection
- Validating the Installation
- noprobe Mode and Driver Disks
- Post-Install Configuration
- Hands-on Lab: Installation
System Initialization and Services:
- Boot Sequence Overview
- BIOS Initialization
- Boot Loader Components
- GRUB and grub.conf
- Kernel Initialization
- init Initialization
- Run levels
Kernel Services and Configuration:
- Kernel Module Configuration.
- The /proc filesystem.
- /proc/sys configuration with sysctl.
- Hotswappable Bus Support.
System Monitoring and Process Control Filesystem Management:
- Disk Partitioning & Managing Partitions.
- Managing Data: Filesystem Creation.
- Mount Options and Configuration.
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Network Configuration:
- Network Interfaces
- mii-tool, ifconfig, ifup/ifdown
- Interface Configuration Files
- DHCP/BOOTP
- Default Route, Static Routes
- Name Resolution, DNS Configuration
RPM and Kickstart:
- RPM Package Manager
- Installing and Removing Software
- Updating a Kernel RPM
- Using Kickstart to Automate Installation
User Administration:
- User Policy Considerations
- The User Account Database - /etc/passwd
- Group Administration
- Login Shell Scripts
- Authentication Configuration
- NIS & LDAP Client Configuration
- The Setgid Access Mode
- Access Control Lists (ACLs)
Printing and Administration Tools:
- CUPS: Common Unix Printing System
- Controlling Access to cron
- System crontab Files
- syslog Configuration
- Using cpio
- Remote Backups
The X Window System:
- XOrg Server Configuration
- Server and Client Relationship
- Configuration Utilities
- Remote X Sessions
Advanced Filesystem Management:
- Software RAID Configuration & Recovery
- Converting LVM1 to LVM2
- The Linux Quota System
Troubleshooting:
- Troubleshooting Networking
- Order of the Boot Process
- Filesystem Corruption & Recovery
Introduction to Network Services:
- Red Hat Linux Network Components
- Connecting Networks
- Service Management
- Chkconfig, xinetd Daemon
Organizing Networked Systems:
- DNS Basics
- Name Server Hierarchy
- Client & Server-side DNS
- Configuring BIND
- BIND Utilities
- Configuring the DHCP server
Network File Sharing Services:
- Configuring NFS, FTP & Samba Services
- Configuring File and Directory Sharing
- Printing to the Samba Server
- Authentication Methods
Electronic Mail Services:
- sendmail Features
- Security and "Anti-Spam" Features
- sendmail Configuration
- Postfix
The HTTP Service:
- Apache Features
- Apache Configuration
- Apache Namespace Configuration
- Apache Encrypted Web Server
- Squid Web Proxy Cache
Security Concerns and Policy:
- Basic Network Security
- Which Services Are Running?
- Remote Service Detection
- Security Policy
Authentication Services:
- Authentication Basics
- Service Profile: PAM
- Password Security
- User Access Control
- Single User Mode
- Authentication Troubleshooting
- Configuring an NIS Server
System Monitoring:
- Introduction to System Monitoring
- File System Analysis
- Set User and Group ID Permissions
- EXT2 Filesystem Attributes
- Monitoring Data Integrity with tripwire
- System Log Files
- Advanced syslogd configuration
- Monitoring and Limiting Processes
- System Activity Reporting
Securing Networks:
- Packet Filtering Capabilities
- Netfilter Architecture
- Network Address Translation(NAT)
- Connection Tracking
- Rule persistence
- The "Bastion Host"
Securing Services:
- SystemV Startup Control
- Securing the Service
- tcp_wrappers Configuration
- Daemon Specification
- xinetd-based security
Securing Data:
- The Need For Encryption
- Cryptographic Building Blocks
- One-Way Hashes
- Symmetric & Asymmetric Encryption
- Public Key Infrastructures
- Digital Certificates
- OpenSSH Authentication
- Applications: RPM
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