Linux System Administration

Hands on Technical Training (HOTT)
Training overview
Professional Course
5 days
From 2,795 USD
Start dates
Online
Inquire for more information

Alexandria
2,795 USD
8/10/2020

Arlington
2,795 USD
8/10/2020

Baltimore
2,795 USD
8/10/2020

Course description

Linux System Administration

Students learn how to install, configure and maintain an Enterprise Linux system in a networked environment. Basic administrative tasks are covered such as: creating and managing users, creating and maintaining file systems, determining and implementing security measures and performing software installation and package management. Linux networking topics include installing and supporting SSH, NFS, Samba and the Apache Web server. Common security issues are discussed and several software tools are introduced such as the PAM modules that help secure the operating system and network environment. Comprehensive hands on exercises are performed throughout the course to reinforce learning and develop skills and competency. Upon successful completion of this course, students will be prepared to maintain Linux systems in a networked business environment.

Although the course includes installing and configuring a CentOS 7 / RHEL 7 Linux system, much of the course content also applies to Oracle, Ubuntu, Scientific and other current versions of mainstream Linux distributions. Labs include user and group maintenance, system backups and restoration, software management, administration tasks automation, file system creation and maintenance, managing remote access, working with cron, and configuring basic file sharing and Web services, as well as working with system logging utilities such as rsyslog and much more.

Delivery method

  • Attend face-to-face in the classroom
  • Remote-live (live, instructor-led training from the convenience of your home or office)
  • On-demand streaming (train on your own time and at your own pace)
Want to find out more?

COVID-19 Update

In light of COVID-19, this provider is now delivering some or all of their courses online. Contact them for more information!

Who should attend?

Prerequisites

Experience with common UNIX/Linux user-level commands, such as for moving, copying and editing files. Experience with the vi editor is a plus. Attendance at the UNIX/Linux Fundamentals course provides a solid foundation.

Training content

System Administration Overview

  • UNIX, Linux and Open Source
  • Duties of the System Administrator
  • Superusers and the Root Login
  • Sharing Superuser Privileges with Others (su and sudo Commands)
  • TCP/IP Networking Fundamentals
  • Online Help

Installation and Configuration

  • Planning: Hardware and Software Considerations
  • Site Planning
  • Installation Methods and Types
  • Installation Classes
  • Partitions
  • Logical Volume Manager - LVM
  • File System Overview
  • Swap Partition Considerations
  • Other Partition Considerations
  • The Linux Boot Loader: grub
  • Software Package Selection
  • Adding and Configuring Peripherals
  • Printers
  • Graphics Controllers
  • Basic Networking Configuration
  • Booting to Recovery Mode

Booting and Shutting Down Linux

  • Boot Sequence
  • The systemd Daemon
  • The systemctl Command
  • Targets vs. Run Levels
  • Modifying a Target
  • Service Unit Scripts
  • Changing System States
  • Booting into Rescue Mode
  • Shutdown Commands

Managing Software and Devices

  • Identifying Software Packages
  • Using rpm to Manage Software
  • Using yum to Manage Software
  • Installing and Removing Software
  • Identifying Devices
  • Displaying Device and System Information (PCI, USB)
  • Plug and Play Devices
  • Device Configuration Tools

Managing Users and Groups

  • Setting Policies
  • User File Management
  • The /etc/passwd file
  • The /etc/shadow file
  • The /etc/group file
  • The /etc/gshadow file
  • Adding Users
  • Modifying User Accounts
  • Deleting User Accounts
  • Working with Groups
  • Setting User Environments
  • Login Configuration Files

The Linux File System

  • Filesystem Types
  • Conventional Directory Structure
  • Mounting a File System
  • The /etc/fstab File
  • Special Files (Device Files)
  • Inodes
  • Hard File Links
  • Soft File Links
  • Creating New File Systems with mkfs
  • The lost+found Directory
  • Repairing File Systems with fsck
  • The Journaling Attribute
  • File and Disk Management Tools

Linux File Security

  • File Permissions
  • Directory Permissions
  • Octal Representation
  • Changing Permissions
  • Setting Default Permissions
  • Access Control Lists (ACLs)
  • The getfacl and setfacl commands
  • SUID Bit
  • SGID Bit
  • The Sticky Bit

Controlling Processes

  • Characteristics of Processes
  • Parent-Child Relationship
  • Examining Running Processes
  • Background Processes
  • Controlling Processes
  • Signaling Processes
  • Killing Processes
  • Automating Processes
  • cron and crontab
  • at and batch
  • System Processes (Daemons)

Working with the Linux Kernel

  • Linux Kernel Components
  • Types of Kernels
  • Kernel Configuration Options
  • Recompiling the Kernel

Shell Scripting Overview

  • Shell Script Fundamentals
  • Bash Shell Syntax Overview
  • Shell Script Examples

System Backups

  • Backup Concepts and Strategies
  • User Backups with the tar Command
  • System Backup Options
  • The xfsdump and xfsrestore Commands

Troubleshooting the System

  • Common Problems and Symptoms
  • Troubleshooting Steps
  • Repairing General Boot Problems
  • Repairing the GRUB 2 Boot Loader
  • Hard Drive Problems
  • Restoring Shared Libraries
  • System Logs and rsyslogd

Basic Networking

  • Networking Services Overview
  • NetworkManager Introduction
  • Network Configuration Files Locations and Formats
  • Enabling and Restarting Network Services with systemtcl
  • Configuring Basic Networking Manually
  • Configuring Basic Networking with NetworkManager

LAMP Server Basics

  • LAMP Overview
  • Configuring the Apache Web Server
  • Common Directives
  • Apache Virtual Hosting
  • Configuring an Open Source Database
    • MySQL
    • MariaDB
  • PHP Basics
  • Perl CGI Scripting

Introduction to System Security

  • Security Overview
  • Maintaining System Security
  • Server Access
  • Physical Security
  • Network Security
  • Security Tools
  • Port Probing with nmap
  • Intrusion Detection and Prevention
  • PAM Security Modules
  • Scanning the System
  • Maintaining File Integrity
  • Using Firewalls
  • Introduction to firewall

The Samba File Sharing Facility

  • Configure Samba for Linux to Linux/UNIX File Sharing
  • Configure Samba for Linux to Windows File Sharing
  • Use the smbclient Utility to Transfer Files
  • Mount/Connect Samba Shares to Linux and Windows Clients

Networked File Systems (NFS)

  • Using NFS to Access Remote File Systems
  • Configuring the NFS Server
  • Configuring the NFS Client
  • Exporting File Systems from the NFS Server to the NFS Client

Why choose HOTT?

50% of class time is hands-on lab exercises

Public classes average less than 12 students

Courses cover over 60 different subject areas

About HOTT

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Hands On Technology Transfer, Inc. (HOTT)  

We offer competency-based IT training programs in more than 100 cities across the United States, Canada and the United Kingdom, covering over 60 IT subject areas. These programs are designed with one main goal – making sure you and your staff...


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Reviews

Average rating 5

Based on 2 reviews

C.N., NEI
(5)
The instructor has extensive knowledge of Linux and course materials and presented it very well. I have recommended this Linux course to a colleague who is planning to take this course in the near future. I have attended many training courses and feel this was the best course I have taken.
J.S., Vaisala
(5)
The instructor was very knowledgeable of the content and would make sure that the content was understood before moving onto the next subject. I like the fact that HOTT keeps the class sizes small. I will definitely look to HOTT for future training.
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