Part 1

What is Linux?

• History
• Linux environment.

Introduction to Red Hat Enterprise Linux and its versions.

• About Red hat certification
• Different between Red Hat Linux versions
• New features in Red Hat Linux 7

Linux basic commands.

• System identification commands
• Listing commands

Linux advanced commands.

Basic hardware requirements and Installation.

• Support for i386 and x86_64 bit systems
• Types of installation
• Partitioning plan
• Assigning identification information to the installed system.

Structure of Linux.

• Hierarchy structure
• Types of files.
• Setting up symbolic link and hard link.

Partitioning the Hard disk with different mechanisms.

• Primary partitions
• Logical partitions
• Using fdisk
• Using parted

File systems and Mounting.

• File system structure
• About ext3, ext4 and xfs file systems
• Creating the file system
• Checking the file systems integrity.
• Tuning the file system parameters.
• Mounting file systems temporally
• Mounting the file systems using fstab
• Using fuser command
• Disk usage commands

User management and configuring user quotas.

• Types of users
• Configuration files of user management tasks
• Creating users and groups
• Modifying users and groups
• Deleting users and groups
• Setting up users profiles
• Uses of Disk quota
• Configuring user quota
• Configuring group quota

Setting up file permissions.

• Basic rules of setting permissions
• Changing permission using chmod
• Changing ownership using chown
• Changing group ownership using chgrp
• Setting up umask
• Configuring sticky bit and setuserid, setgroupid
• Using chattr
• Using Access control list(ACL)

Using sudo for controlling the users.

• Setting up sudo access to normal users using visudo
• Setting users to handle particular aplications

Package management using RPM and YUM.

• Downloading rpms
• Installing the packages
• Upgrading the packages
• Checking the packages.

Process management and monitoring.

• Explaining processes
• Using different tools for monitoring the processes
• Killing the unwanted process
• Changing the priority of the processes

Basic Networking.

• Basic networking devices
• Network topologies
• Subnetting

Using Networking commands and troubleshooting.

• Setting up static ip
• Network basic commands
• Explaining about network configuration files

Network bonding.

Booting Process

• Booting process and GRUB
• What are the programs involved in booting
• Booting stages
• GRUB
• /etc/intitab and runlevels

Part 2

Setting up yum server and clients

• Preparing the system for yum server
• Configuring local yum server
• Configuring yum mirror server.
• Setting up yum clients.

Configuring FTP server

• Setting up FTP server using vsftpd package
• Using /etc/vsftpd/vsftpd.conf
• Setting up anonymous access
• Denying and allow users to access ftp server.

Building local DNS server and slave

• Setting up DNS master server
• Change the setting in configuration files
• Creating the zone databases
• Test the configuration and setup the client systems
• Setup the slave server
• Assign the slave ip to clients and test the setup

Hosting websites using Apache server

• Installing the Apache packages
• The apache configuration file
• Apache log files
• Setting password for websites
• Virtual hosting

Securing the Apache server using SSL

• Usiing ssl.conf

Setting up ssh server and transferring file using scp, rsync

• Using ssh key authentication
• Generating the ssh key
• Using scp and rsync

Using DHCP server to generate dynamic ips to clients

• Installing DHCP server
• The DHCP configuration file
• Test the client systems

SAMBA server configuration

• Installing samba packages
• The samba configuration file
• Create public share
• Configure samba login
• Setting up samba clients

Setting up mail server using POSTFIX

• About MTA,MDA.MUA and MSA
• Installing postfix packages
• Setup postfix as default mail server
• The postfix configuration file
• The /etc/aliases file
• Setting up email clients.

Using squid proxy server to block the websites.

• Installing squid packages
• The /etc/squid/squid.conf file
• Denying and allowing the websites with different methods

NFS and AUTOFS

• Explaining different NFS services
• Installing NFS packages
• The /etc/exports
• NFS server options
• Installing AUTOFS
• The Autofs configuration files

Centralized user authentication using NIS

• Installing NIS packages
• Setting up the NIS domain name
• Generate the NIS maps databases
• Setup the client system

Centralized user authentication using LDAP

• Installing the LDAP packages
• Setup the configuration using setup.ds.admin.pl script
• Installing the DS console
• Setting up the directory suffix
• Create users and groups
• Pointing LDAP clients to communicate with the server.

Part 3

Configuring IPTABLES

• Explaining command structure
• input rules, output rules, and forward rules
• setting up masquerading
• backing up iptable rules

Performance tuning and maintaining logs

• Tuning /etc/security/limits.conf file
• The sysctl.conf file
• Viewing tunable parameters

Tuning the hardware resources using CGROUPS

• Explaining about subsystems
• Limit the CPU access to users and groups
• Limit the memory access to users and groups

SELinux concepts

• Using SELinux commands
• Basic SELinux settings
• About SELinux context
• Setting SELinux Booleans

Installing new kernel

• Installing new kernelRecompiling the kernel

Remote accessing using VNC

• Installing vnc server and clients
• Sharing the graphical desktop to clients

Configuring logical volume manager

• Pv creation
• Vg creation
• Lv creation
• Extending vgs
• Extending lvs
• Vg reduce
• Lv reduce
• Moving pvs to other vg
• Creating snapshot volumes

RAID concepts and setting up software RAID

• Creating RAID-0, RAID-1, RAID-5
• Testing RAID-1 and RAID-5 failover
• Creating spare hard disks

Installing OS using kickstart.

• Creating Kickstart file
• Share the kickstart file through NFS
• Install the clients using kickstart file

Installing OS using PXE-Boot

• configuring TFTP service
• configuring DHCP service
• configuring nfs service
• creating the kickstart file

Dumping TCP data using TCPDUMP

• capture packets using tcpdump command
• Install Wireshark