Linux

Red Hat Certified System Administrator

Chapter 1.Linux Server

 Why we need Linux

 Difference between Linux and Windows

 Various Linux Distributions.

 Preparing to Install Red Hat Enterprise Linux in Vmware

 Performing a Manual Installation

Chapter 2. Using Essential Tools

 Basic Shell Skills

 Basic commands

 Editing Files with vim

 Understanding the Shell Environment

 Finding Help and Man commands

Chapter 3.Essential File Management Tools

 Working with the File System Hierarchy

 Managing Files

 Using Links

 Working with Archives and Compressed Files

Chapter 4.Working with Text Files

 Using Common Text File-Related Tools

 A Primer to Using Regular Expressions

 Using grep to Analyze Text

 Working with Other Useful Text Processing Utilities ( grep sed awk)

Chapter 5.How to connect Linux

 Working on Local Consoles

 Using SSH and Related Utilities

Chapter 6. User and Group Management

 Different User Types

 Managing User Accounts

 Creating and Managing Group Accounts

 Logging In Through an External Authentication Service

Chapter 7. Configuring Permissions

 Managing File Ownership

 Managing Basic Permissions

 Managing Advanced Permissions

 Managing ACLs

 Setting Default Permissions with umask

Chapter 8. Configuring Networking

 Networking Fundamentals DNS,Firewall, DHCP, Router, Switch, IP address and usages

 Managing Network Addresses and Interfaces

 Validating Network Configuration

 Configuring Network Configuration with nmtui and nmcli

 Setting Up Hostname and Name Resolution

Chapter 9. Managing Processes

 Introduction to Process Management

 Managing Shell Jobs

 Using Common Command-Line Tools for Process Management

 Using top to Manage Processes

Chapter 10. Working with Virtual Machines

 Understanding RHEL 7 Virtualization

 Making Your Server a KVM Host

 Managing Virtual Machines

Chapter 11. Managing Software

 Managing Software Packages with yum

 Using yum

 Managing Software Packages with rpm

Chapter 12. Scheduling Tasks

 Configuring cron to Automate Recurring Tasks

 Configuring at to Schedule Future Tasks

Chapter 13. Configuring Logging

 Understanding System Logging

 Configuring rsyslogd

 Rotating Log Files

 Working with journald

Chapter 14. Managing Partitions

 Understanding MBR and GPT Partitions

 Managing Partitions and File Systems

 Mounting File Systems

Chapter 15. Managing PV VG and LVM

 Understanding LVM,PV,VG

 Creating LVM Logical Volumes

 Resizing and Removing LVM

Chapter 16. Basic Kernel Management

 Understanding the Role of the Linux Kernel

 Working with Kernel Modules

 Upgrading the Linux Kernel and Linux system

Chapter 17. Managing and Understanding the Boot Procedure

 Understanding the Boot Procedure

 Working with Systemd

 Working with GRUB 2

 Troubleshooting the Boot Procedure

 Passing Kernel Boot Arguments

 Using a Rescue Disk

 Fixing Common Issues

 Recovering Access to a Virtual Machine

Chapter 18. Managing SELinux

 Understanding SELinux Working and Modes

 Understanding Context Settings and the Policy

 Restoring Default File Contexts

 Using Boolean Settings to Modify SELinux Settings

Chapter 19. Configuring a Firewall

 Understanding Linux Firewalling

 Working with firewalld

Chapter 20. Configuring Time Services

 Understanding Local Time

 Using Network Time Protocol

Chapter 21.Configuring a Basic Apache Server

 Configuring a Basic Apache Server

 Understanding Apache Configuration Files

 Creating Apache Virtual Hosts

Chapter 22. Configuring Remote Mounts and FTP

 Mounting NFS Shares

 Mounting SMB File Systems

 Mounting Remote File Systems Through fstab

 Using Automount to Mount Remote File Systems

Chapter 23.Trobule shooting

 Basic Troubleshooting

 Managing storage issue

 Network Troubleshooting

 Package issue

 Kernel issue

 Performance issue

Networking basic

 IP address

 Firewall(hardware/software)

 Ports

 Protocols

 Router

 Subnets

 DNS

 DHCP

 TCP/UDP

 Networking layer

 Switch

 TLS and SSL

 cookies & cache

 AD

 CDN

 Proxy

 VPN

 Http/https