What you'll learn

• By the end of this course you will be a professional Linux administrator and be able to apply for Linux jobs
• You will be able to take the EX-200 exam and become Redhat Certified System Administrator (RHCSA - EX200)
• You will learn 150+ Linux system administration commands
• You will gain advance Linux systems administration skills and have deep understanding of Linux fundamentals and concepts
• You will be able to troubleshoot everyday Linux related issues
• You will manage Linux servers in a corporate environment
• You will write basic to advance level shell scripts

Following is the list of topics I will cover in this course:

Module 1 – Understanding Linux Concepts

• What is Linux?
• Everyday use of Linux
• Unix vs. Linux
• Quiz, Homework and Handouts

Module 2 – Download, Install and Configure

• What is Oracle Virtual Box?
• Downloading and Installing Oracle Virtual Box
• Creating virtual machine
• Linux Distributions
• Different way to install Linux
• Downloading and Installing Linux (CentOS)
• Redhat Linux installation (Optional)
• Linux Desktop (GUI)
• Virtual Machine Management
• Linux vs. Windows
• Who Uses Linux?
• Quiz, Homework and Handouts

Module 3 – System Access and File System

• Accessing Linux system
• Download and install Putty
• Connect Linux VM via Putty
• Important Things to Remember in Linux
• Introduction to File System
• File system structure description
• File system navigation commands
• File System Paths
• Directory listing overview
• Creating Files and Directories
• Finding Files and Directories (find, locate)
• Changing Password
• Wildcard (*, $, ^)
• Combining and Splitting Files (cat and cut)
• Soft and Hard Links (ln)
• Quiz, Homework and Handouts

Module 4 – Linux Fundamentals

• Commands Syntax
• File Permissions (chmod)
• File Ownership (chown, chgrp)
• Getting Help (man, whatis etc.)
• TAB completion and up arrow keys
• Adding text to file
• Pipes ( | )
• File Maintenance Commands
• File Display Commands
• Filters / Text Processing Commands (cut, sort, grep, awk, uniq, wc)
• Compare Files (diff, cmp)
• Compress and Un-compress files/directories (tar, gzip, gunzip)
• Combining and Splitting Files
• Linux vs. Windows Commands
• Quiz, Homework and Handouts

Module 5 – System Administration

• Linux File Editors (vi text editor)
• sed Command
• User account management
• Switch users and Sudo access
• Monitor users
• Talking to users (users, wall, write)
• Linux Directory Service - Account Authentication
• Difference between Active Directory, LDAP, IDM, WinBIND, OpenLDAP etc.
• System utility commands (date, uptime, hostname, which, cal, bc etc.)
• Processes and schedules (systemctl, ps, top, kill, crontab and at)
• Process Management
• System Monitoring Commands (top, df, dmesg, iostat 1, netstat, free etc.)
• OS Maintenance Commands (shutdown, reboot, halt, init etc.)
• Changing System Hostname (hostnamectl)
• Finding System Information (uname, cat /etc/redhat-release, cat /etc/*rel*, dmidecode)
• System Architecture (arch)
• Terminal control keys
• Terminal Commands (clear, exit, script)
• Recover root Password (single user mode)
• SOS Report
• Quiz, Homework and Handouts

Module 6 – Shell Scripting

• Linux Kernel
• What is a Shell?
• Types of Shells
• Shell scripting
• Basic Shell scripts
• If-then scripts
• For loop scripts
• do-while scripts
• Case statement scripts
• Aliases
• Shell History
• Command history

Module 7 – Networking, Servers and System Updates

• Enabling internet in Linux VM
• Network Components
• Network files and commands (ping, ifconfig, netstat, tcpdump, networking config files)
• NIC Information (ethtool)
• NIC or Port Bonding
• Downloading Files or Apps (wget)
• curl and ping Commands
• File Transfer Commands
• System updates and repositories (rpm and yum)
• System Upgrade/Patch Management
• Create Local Repository from CD/DVD
• Advance Package Management
• SSH and Telnet
• DNS
• Hostname and IP Lookup (nslookup and dig)
• NTP
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• hronyd (Newer version of NTP)
• Sendmail
• Apache Web Server (http)
• Central Logger (rsyslogd)
• Securing Linux Machine (OS Hardening)
• OpenLDAP Installation
• Quiz, Homework and Handouts

Module 8 – Disk Management and Run Levels

• System run levels
• Linux Boot Process
• Message of the Day
• Disk partition (df, fdisk, etc.)
• Storage
• Logical Volume Management (LVM)
• LVM Configuration during Installation
• Add Disk and Create Standard Partition
• Add Disk and Create LVM Partition
• LVM Configuration during Installation
• Add Virtual Disk and Create New LVM Partition (pvcreate, vgcreate, lvcreate,)
• Extend Disk using LVM
• Adding Swap Space
• RAID
• Quiz, Homework and Handouts

Module 9 – All About Resume

• Resume workshop
• Cover Letter
• Linux job description or duties
• Exposure to Other Technologies
• Homework and Handouts

Module 10 – All About Interview

• IT Components
• IT Job Statistics
• Linus Around Us
• Linux Operating System Jobs
• IT Management Jobs
• Post Resume and What to Expect
• Interview workshop
• Redhat Certifications (RHCSA, RHCE etc.)
• Join Linux Community
• 200+ interview questions
• Homework