This section contains the most basic Linux knowledge meant to expose new user to the concept of Linux operating system and preparation needed to work in Linux environment.

Installation in Standalone Machine
Installation through NFS
Installation through FTP
Installation through HTTP
Installation through KICKSTART

In Linux system, everything is in a file and in this section, we would see how these files are organized. We would start from basic overview of file system and later, we would cover system administration commands.

Creation of File Systems
Understanding EXT2, EXT3 & EXT4 File Systems
Converting Ext2 to Ext3 file systems
Reverting back from Ext3 to Ext2 files systems
Understanding fdisk, e2label, mount, umount commands
Understanding fstab and mtab files, Troubleshooting

Let us see how we can add/manage/delete users and groups in general Linux system

Understanding different types of groups and creation of groups
Creation of users in different groups
Understanding Passwd, Shadow Files
Understanding passwd aging
Creation of quotas for users, groups and file systems
Understanding users security files
The different commands for Monitoring the users
Troubleshooting

A Run level is nothing but a software configuration of the Linux system which allows only a selected group of processes to exist. The processes spawned by init for each of these run levels are defined in the /etc/inittab file. Init can be in one of eight run levels

Understanding the different types of run-levels
Understanding different types of shutdown commands
Understanding run control scripts

A network file system is a network abstraction over a file system that allows a remote client to access it over a network in a similar way to a local file system.

Understanding NFS server and NFS clients
Understanding daemons and files in NFS
Configuring NFS server and different NFS clients
Configuration of autofs, NFS security

The versatility of TCP/IP to be run on a variety of systems allows a wide range of possibilities. File Transfer Protocol (FTP) shows how this is possible by allowing file sharing across platforms and systems.

Understanding the features and advantages of FTP server
Configuring FTP server and FTP clients
Configuring FTP server for anonymous and real users with download and upload permissions
Configuring FTP user access, FTP security
Understanding FTP Basic Commands
Configuring of anonymous FTP Server

xinetd performs the same function as inetd: it starts programs that provide Internet services.

Understanding xinetd based and non xinetd based services
Configuring xinetd based services
Xinetd security

TCP Wrappers can be used to GRANT or DENY access to various services on your machine to the outside network or other machines on the same network. It does this by using simple Access List Rules which are included in the two files /etc/hosts.allow and/etc/hosts.deny .

Understanding TCP WRAPPER
Configuring TCP WRAPPER for services

Domain Name Service (DNS) is the service used to convert human readable names of hosts to IP addresses.

Understanding DNS service and different types of DNS servers
Configuring DNS (master) DNS (Slave)
Understanding & Configuring forward (DNS) and cache (DNS) of boot phases
Understanding different types of files when the system is booting
Troubleshooting

LVM is a logical volume manager for the Linux kernel that manages disk drives and similar mass-storage devices.

Creation of file systems and converting into LVM
Creation of physical partitions
Creation of volume groups
Creation of logical partitions
Extending the volume group
Extending the logical partitions

A package manager or package management system is a collection of software tools that automates the process of installing, upgrading, configuring, and removing software packages for a computer’s operating system in a consistent manner.

Understanding the features and advantages of RPM
Installation of RPM packages
Upgradation of RPM
Verification of RPM, Querying
Troubleshooting

Understand what is backup and recovery, its importance and implications in Linux.

Understanding different types of file system backup
Understanding different types of files backups
Understanding different types of file system backups
Understanding different types of dump levels
Understanding monthly, weekly, daily backups
Different types of backup strategies

What are automation and cron jobs?

  At Jobs, Cron Jobs

Understanding NIS and daemons at NIS (Server, Slave and Clients)
Configuring NIS (master) and NIS (slave)
NIS clients in heterogeneous environments
Integrating NIS (master and slave) with NFS Server

Understanding DHCP
Configuring DHCP server for different DHCP clients

Understanding APACHE
Configuring APACHE web server with virtual hosting
Configuring APACHE web server with IP BASED, HOST BASED and PORT BASED
Configuring member logins for APACHE web server

Understanding the features and advantages of SAMBA server
Configuring SAMBA for heterogeneous environment
Sharing the resources between unix to unix using SAMBA
Sharing the resources between windows to unix (vice-versa)

Understanding SQUID proxy
Configuring SQUID proxy with ACL

Understanding RAID LEVELS
Configuring different types of RAID LEVELS (0,1 and 5)

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