Centos Linux Training

Syllabus

INTRODUCTION:
Linux remains the most popular operating system family of choice today and is only gaining more and more 
traction, making the need for well-trained, deeply knowledgable Linux administration teams that much more 
important.

This training is intended for those IT professionals working with Linux or as system administrators who want 
to take their skills to the next level. This training is about the basic of Linux and best practices(tips and tricks). 
This training will challenge how you think and how you approach system administration. 
What you will learn:
- You will learn 100+ Linux system administration commands
- Centos version 7
- 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
- You will learn software installation and configuration (i.e Pixel Factory, QGIS, GRASS GIS)

COURSE OUTLINE / SYLLABUS :

1. Introduction
- Linux Filesystem Tree Layout
- One Big Filesystem
- Data Distinctions
- FHS Linux Standard Directory Tree
- root (/) directory

• /bin
• /boot
• /dev
• /etc
• /home
• /lib and /lib64
• /media
• /mnt
• /opt
• /proc
• /sys
• /root
• /sbin
• /srv
• /tmp
• /usr
• /var
• /run

2. Processes
- Programs and Processes
- Process Limits
- Creating Processes
- Process States
- Execution Modes
- Daemons
- niceness
- Libraries
- Labs

3. Signals
- Signals
- Types of Signals
- kill
- killall and pkill
- Labs

4. Package Management Systems
- Software Packaging Concepts
- Why Use Packages?
- Package Types
- Available Package Management Systems
- Packaging Tool Levels and Varieties
- Package Sources
- Creating Software Packages
- Revision Control Systems
- Available Source Control Systems
- The Linux Kernel and git
- Labs

5. RPM
- RPM (Red Hat Package Manager
- Package File Names
- RPM Database and Helper Programs
- Queries
- Verifying Packages
- Installing and Removing Packages
- Updating, Upgrading and Freshening RPM Packages
- Upgrading the Linux Kernel
- Rpm2cpio
- Labs

6. YUM
- Package Installers
- yum
- Queries
- Verifying Packages
- Installing/Removing/Upgrading Packages
- Additional yum Commands
- dnf
- Labs

7. System Monitoring
- System Monitoring
- sar **
- Network Monitoring
- System Log Files
- Labs

8. Process Monitoring
- Process Monitoring
- ps
- pstree
- top
- Labs

9. Memory Monitoring and Usage
- Memory Monitoring and Tuning
- /proc/sys/vm
- vmstat
- Out of Memory Killer (OOM)
- Labs

10. I/O Monitoring and Tuning
- I/O Monitoring
- iostat
- iotop
- ionice **
- Labs
- I/O Scheduling **
- I/O Scheduling
- I/O Scheduler Choices
- Labs

11. Linux Filesystems and the VFS
- Filesystem Basics
- Filesystem Concepts
- Virtual Filesystem (VFS)
- Available Filesystems
- Journalling Filesystems
- Special Filesystems
- Labs

12. Filesystem Features: Swap, Quotas, Usage
- Swap
- Filesystem Quotas **
- Filesystem Usage
- Disk Usage
- Labs

13. User Account Management
- User Accounts
- Management of User Accounts
- Locked Accounts
- Passwords
- /etc/shadow
- Password Management
- Password Aging
- Restricted Shells and Accounts **
- The root Account
- SSH
- Labs

14. Group Management
- Groups
- Group Management
- User Private Groups
- Group Membership
- Labs

15. File Permissions and Ownership
- File Permissions and Ownership
- File Access Rights
- chmod, chown and chgrp
- umask
- Filesystem ACLs
- Labs

16. Network Addresses
- IP Addresses
- IPv4 Address Types
- IPv6 Address Types
- IP Address Classes
- Netmasks
- Hostnames
- Labs

17. Network Devices and Configuration
- Network Devices
- ip
- ifconfig
- Predictable Network Interface Device Names
- Network Configuration Files
- Network Manager
- Routing
- DNS and Name Resolution
- Network Diagnostics
- Labs

18. Firewalls
- Firewalls
- Interfaces
- firewalld
- Zones
- Source Management
- Service and Port Management
- Labs

19. System Startup and Shutdown
- Understanding the Boot Sequence
- Boot Loaders
- System Configuration Files in /etc
- Shutting Down and Rebooting
- Labs

20. Linux Security Modules
- Linux Security Modules
- SELinux
- AppArmor
- Labs