LINUX ADMINISTRATION

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MODULE#1 –Introduction to Operating system
• Types of Operating systems
• Difference between Unix and windows
• Flavors of Unix Operating system
• Introduction to Linux operating system
• Hierarchical file system

MODULE#2 –System Initialization
• Boot Sequence Overview
• Boot Loader Components
• GRUB and grub.conf
• Starting the Boot Process: GRUB
• Kernel Initialization and init Initialization
• Run Levels
• /etc/rc.d/rc.sysinit
• /etc/rc.d/rc & /etc/rc.d/rc.local
• Controlling Services

MODULE#3 –Filesystem creation & managing
• Understanding file system management
• Device Recognition and re-configuration
• Disk Partitioning
• Managing Partitions
• File system Labels
• Creating file system with different ext2 & ext3
• File system Types & Working with tune2fs
• Mounting and unmount Filesystem
• Mounting Other Filesystems
• Configuring mount: /etc/fstab and options
• Mount Points and /etc/fstab and Unmount Filesystems
• The Linux Quota System
• Trouble shooting issues related to file system

MODULE#4 –Memory management
• Understanding virtual memory & Physical memory
• Configuring and managing swap file
• Configuring and managing swap partition
• Deleting and release the swap space
• Monitoring all memory utilization
• Troubleshooting issues related to swap

MODULE#5 –System Monitoring and performance
• Gathering System information
• Monitoring Space: df
• Monitoring Inodes: df
• Monitoring Disk Usage: du
• System Processes
• File Systems & Hardware
• Monitoring CPU & memory utilization
• Monitoring I/O Performance and troubleshooting

MODULE#6 –User Administration
• Understand the users in Linux
• Adding a New User Account
• Modifying / Deleting User Accounts
• Group Administration
• Password Aging Policies and managing passwords
• Switching Accounts
• Providing sudo Access and troubleshooting
• Authentication Configuration

MODULE#7 –Security Administration
• Managing Permissions of files and directories
• Changing the user ownership and group ownership
• SUID and SGID Executables
• The Sticky Bit
• Default File Permissions
• Access Control Lists (ACLs)
• Troubleshooting issues related to users
• Activating the iptables Service.
• TCP Wrappers

MODULE#8 –Package Management
• RPM Package Manager
• Installing and Removing Software
• Updating a Kernel RPM
• rpm Queries & rpm Verification
• Configuring and managing yum
• Searching packages/files
• Configuring Additional Repositories
• Creating a private repository
• Red Hat Network
• Red Hat Network Server
• Red Hat Network Client

MODULE#9 –Network Configuration
• Understanding TCP/IP Model
• Network Interfaces
• Speed and Duplex Settings
• IPv4 Addresses and configuring
• Dynamic IPv4 Configuration
• Default Gateway
• Configuring Routes in Linux
• Verify IP Connectivity
• Defining the Local Host Name
• Network Configuration Utilities
• Configuring and managing bonding
• Understanding logical ports
• Configuring and managing SSH and SSH
Trusting
• Enabling and disabling network services
• Configuring and troubleshooting bonding
• Service Management by using Chkconfig
• Xinetd Services & xined DaemonMODULE#10 –Network Filesystem (NFS) & Autofs
• Understanding network Filesystem(NFS)
• Managing NFS daemons
• Setting Up an NFS Server
• Setting Up an NFS client
• Setting up the Configuration Files
• Configuring , managing autofs
• Managing configuration files in autofs
• Troubleshooting issues related to NFS and autofsMODULE#11 –Network Information services (NIS)
• Understanding NIS environment
• Managing NIS deamons
• Setting up NIS domain
• NIS server and client configuration
• Initialize the NIS map database
• Set up password/shadow map security
• troubleshooting issues in NIS
MODULE#12 –Samba Server Configuration
• Understanding Configure samba server
• Configuring and troubleshooting Samba server
• Configuring and troubleshooting Samba client
• Communicate with remote clients

MODULE#13 –Squid proxy server configuration
• Configuring and troubleshooting Squid server
• Configuring, troubleshooting reverse Squid server
• Troubleshooting issues related to NIS

MODULE#14 –Logical Volume Manager
• What is Logical Volume Manager (LVM)?
• Creating, managing volume groups
• Creating Logical Volumes
• Resizing Logical Volumes
• Removing the filesystem associated with LVM
• Logical Volume Manager Snapshots
• Using LVM Snapshots
• Troubleshooting issues related to LVM

MODULE#15 -Kernel Services
• The Linux Kernel
• Kernel Images
• Kernel Modules
• Kernel Module Utilities
• Kernel Configuration With /proc
• /proc Examples
• sysctl : Persistent Kernel Configuration
• Kernel Modules and Their Configuration
• Booting with different kernels
• Updating a Kernel RPM
• The /proc filesystem
• /proc/sys configuration with sysctl
• Troubleshooting issues related to kernel performance

MODULE#16 -FTP Services
• Understanding FTP server
• Understanding port number and deamons
• Configuration and troubleshooting FTP Server.
• Communicating with vender through ftp

MODULE#17 -Installation
• Understanding various installation processes
• Installation of Physical and virtual machines
• Anaconda, the Red Hat Enterprise Linux Installer
• First Stage: Starting the Installation
• First Stage: Boot Media
• Accessing the Installer
• Network Installation Server
• Second Stage: Installation Overview
• Configuring File Systems
• Advanced Partitioning
• Understanding the kick start configuration file
• Understanding the installation logs
• First Boot: Post-Install Configuration
• Starting a Kickstart Installation
• Kickstart: Packages Section

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