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Linux System Administration

  • All levels
  • 18 and older
  • $2,795
  • (Exact location to be announced), New York, NY
  • 40 hours over 5 sessions

Start Dates (0)

  • $2,795
  • NY - Manhattan @ (Exact location to be announced), New York, NY 00000
  • 40 hours over 5 sessions
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Class Description

Description

What you'll learn in this linux training:

All HOTT courses are available face-to-face, remote-live, on-demand or on-site at your facility

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.  


Students Will Learn:

  • Installing the Linux operating system and configuring peripherals 
  • Performing and modifying startup and shutdown processes
  • Configuring and maintaining basic networking services 
  • Creating and maintaining system users and groups
    Understanding and administering file permissions on directories and regular files 
  • Planning and creating disk partitions and file systems 
  • Performing maintenance on file systems 
  • Identifying and managing Linux processes 
  • Automating tasks with cron
    Performing backups and restoration of files 
  • Working with system log files 
  • Troubleshooting system problems
  • Analyzing and taking measures to increase system performance
    Configuring file sharing with NFS 
  • Configuring Samba for file sharing with the Windows clients
    Setting up a basic Web server 
  • Understanding the components for setting up a LAMP server
    Implementing basic security measures   

Course Prerequisites: Experience with common UNIX/Linux user-level commands, such as for moving, copying and editing files. Attendance on UNIX/Linux Fundamentals course provides a solid foundation.



Course Overview

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 firewalld

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

Note: Classes do not have fixed location. Prior to each class they examine the geographical location of the enrolled students and then select a venue that will provide most convenient overall access for the students. Classes are held in hotel conference rooms and exact location is determined 2 weeks prior to the course date.

Refund Policy

Tuition includes all course materials. Students may withdraw before the second day of class to receive a 100% refund, provided course materials are returned to the instructor. Prorated refunds may be granted for withdrawals after the first day.

Cancellations and Changes: There are no cancellation fees.

Attendance Requirements: Students must attend each day of a course and successfully complete hands on exercises in order to receive a certificate of completion. If a student wishes to retake any portion of a class that he or she completes, the student may do so within 12 months at no extra cost.

Intended Audience: Hands On Technology Transfer, Inc., provides IT training designed for technology professionals who wish to quickly upgrade their computer skills. In most states, the employer bears all training costs.

Reviews of Classes at Hands On Technology Transfer, Inc. (7)

(4.6-star rating across 7 reviews)
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Review Summary by CourseHorse

Students who have taken classes at Linux System Administration have praised the instructors for their knowledge, friendliness, and helpfulness. The overall class experience was described as excellent, with the option for remote classes being particularly appreciated. The instructors were highly skilled and provided informative lessons. The students expressed their desire for future training with instructors as knowledgeable as those at Linux System Administration. SST, the organization that offers the classes, was commended for hiring excellent staff who provide superior personal attention. The students found the course material, explanation of labs, and the received help to be above their expectations. Direct quotes: 1. "The instructor was very knowledgeable, friendly, and helpful." 2. "Knew the material very well and his class was very informative." 3. "Both classes I've attended have exceeded my expectations from the course material to the explanation of the labs and the help I received."

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Hands On Technology Transfer, Inc.

HOTT delivers instructor-led technical training across the United States, Canada and the United Kingdom. Whether you attend in person, remote-live or on-demand, our classroom-based training philosophy zeroes in on your ability to work more productively and with higher quality results after training....

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Hands On Technology Transfer, Inc.

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