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Enterprise Linux System Administration Training

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Enterprise Linux System Administration Training with Michigan Technology Services

Michigan Technology Services offers many Linux instructor-led courses. This Enterprise Linux System Administration training can take place at our location in Farmington Hills, 20 miles outside of Detroit, where you will sit in a room with one of our instructors, onsite at your office anywhere throughout the United States, or if you prefer, instructor led live online.

About this Course

The MTS-L-250 class is an in-depth course that explores installation, configuration and maintenance of Linux systems. The course focuses on issues universal to every workstation and server. Like all MTS courses, the course material is designed to provide extensive hands-on experience. Topics include: installation and configuration; the boot process; user and group administration; filesystem administration, including quotas, FACLs, RAID and LVM; task automation; client networking; SELinux; software management; log files; troubleshooting; and more.

For complete Linux course outlines and pricing information on other Linux classes or to request a class date contact Michigan Technology Services at 248-489-0408

Prerequisites

Students should already be comfortable working in a Linux or Unix environment. Fundamentals such as the Linux filesystem, process management, and how to edit files will not be covered in class. An understanding of network concepts, and the TCP/IP protocol suite is helpful. These skills are taught in the MTS-L-120 "Linux Fundamentals" course.

Detailed Course Outline

Linux Kernel & Devices
  1. Hardware Discovery Tools
  2. Configuring New Hardware with hwinfo
  3. Kernel Hardware Info – /sys/
  4. /sys/ Structure
  5. udev
  6. Managing Linux Device Files
  7. List Block Devices
  8. SCSI Devices
  9. USB Devices
  10. USB Architecture
  11. Kernel Modules
  12. Configuring Kernel Components and Modules
  13. Handling Module Dependencies
  14. Configuring the Kernel via /proc/
  15. Console
  16. Virtual Terminals
  17. Serial Ports
  18. Random Numbers and /dev/random

Lab Tasks

  1. Adjusting Kernel Options
  2. Introduction to Troubleshooting Labs
  3. Troubleshooting Practice: Kernel Modules
Boot Process & System
  1. System Boot Method Overview
  2. systemd System and Service Manager
  3. systemd Targets
  4. Using systemd
  5. Legacy Support for SysV init
  6. Booting Linux on PCs
  7. GRUB 2
  8. GRUB 2 Configuration
  9. GRUB 2 Security
  10. Boot Parameters
  11. Initial RAM Filesystem
  12. init
  13. Linux Runlevels Aliases
  14. Systemd local-fs.target and sysinit.target
  15. Systemd basic.target and multi-user.target
  16. Legacy local bootup script support
  17. System Configuration Files
  18. RHEL7 Configuration Utilities
  19. SLES12 Configuration Utilities
  20. Shutdown and Reboot

Lab Tasks

  1. Boot Process
  2. Booting directly to a bash shell
  3. GRUB Command Line
  4. Basic GRUB Security
  5. Managing Services With Systemd's systemctl
  6. Troubleshooting Practice: Boot Process
Software Maintenance
  1. Managing Software
  2. RPM Features
  3. RPM Architecture
  4. RPM Package Files
  5. Working With RPMs
  6. Querying and Verifying with RPM
  7. Updating the Kernel RPM
  8. Dealing With RPM & Yum Digest Changes
  9. Yum Plugins & RHN Subscription Manager
  10. YUM Repositories
  11. YUM Repository Groups
  12. Compiling/Installing from Source
  13. Manually Installed Shared Libraries
  14. Rebuilding Source RPM Packages

Lab Tasks

  1. Managing Software with RPM
  2. Creating a Custom RPM Repository
  3. Querying the RPM Database
  4. Installing Software via RPM & Source and Rebuilding SRPMs
  5. Troubleshooting Practice: Package Management
Local Storage Administration
  1. Partitioning Disks with fdisk & gdisk
  2. Resizing a GPT Partition with gdisk
  3. Partitioning Disks with parted
  4. Filesystem Creation
  5. Persistent Block Devices
  6. Mounting Filesystems
  7. Resizing Filesystems
  8. Filesystem Maintenance
  9. Managing an XFS Filesystem
  10. Swap
  11. Filesystem Structures
  12. Determining Disk Usage With df and du
  13. Configuring Disk Quotas
  14. Setting Quotas
  15. Viewing and Monitoring Quotas
  16. Filesystem Attributes

Lab Tasks

  1. Creating and Managing Filesystems
  2. Hot Adding Swap
  3. Setting User Quotas
LVM & RAID
  1. Logical Volume Management
  2. Implementing LVM
  3. Creating Logical Volumes
  4. Activating LVM VGs
  5. Exporting and Importing a VG
  6. Examining LVM Components
  7. Changing LVM Components
  8. Advanced LVM Overview
  9. Advanced LVM Components
  10. Advanced LVM Caching
  11. Advanced LVM Striping & Mirroring
  12. Advanced LVM RAID Volumes
  13. gnome-disk-utility
  14. SLES Graphical Disk Tool
  15. RAID Concepts
  16. Array Creation with mdadm
  17. Software RAID Monitoring
  18. Software RAID Control and Display

Lab Tasks

  1. Creating and Managing LVM Volumes
  2. Troubleshooting Practice: LVM
  3. Creating and Managing a RAID-5 Array
Remote Storage Administration
  1. Remote Storage Overview
  2. Remote Filesystem Protocols
  3. Remote Block Device Protocols
  4. File Sharing via NFS
  5. NFSv4+
  6. NFS Clients
  7. NFS Server Configuration
  8. YaST NFS Server Administration
  9. Implementing NFSv4
  10. AutoFS
  11. AutoFS Configuration
  12. Accessing Windows/Samba Shares from Linux
  13. SAN Multipathing
  14. Multipath Configuration
  15. Multipathing Best Practices
  16. iSCSI Architecture
  17. Open-iSCSI Initiator Implementation
  18. iSCSI Initiator Discovery
  19. iSCSI Initiator Node Administration
  20. Mounting iSCSI Targets at Boot
  21. iSCSI Multipathing Considerations

Lab Tasks

  1. Using autofs
  2. NFS Server Configuration
  3. iSCSI Initiator Configuration
  4. Multipathing with iSCSI
User/Group Administration
  1. Approaches to Storing User Accounts
  2. User and Group Concepts
  3. User Administration
  4. Modifying Accounts
  5. Group Administration
  6. Password Aging
  7. Default User Files
  8. Controlling Login Sessions
  9. system-config-authentication
  10. SLES DS Client Configuration
  11. System Security Services Daemon (SSSD)

Lab Tasks

  1. User and Group Administration
  2. Using LDAP for Centralized User Accounts
  3. Troubleshooting Practice: Account Management
Pluggable Authentication Modules (PAM)
  1. PAM Overview
  2. PAM Module Types
  3. PAM Order of Processing
  4. PAM Control Statements
  5. PAM Modules
  6. pam_unix
  7. pam_nologin.so
  8. pam_limits.so
  9. pam_wheel.so
  10. pam_xauth.so

Lab Tasks

  1. Restricting superuser access to wheel group membership
  2. Using pam_nologin to Restrict Logins
  3. Setting Limits with the pam_limits Modules
  4. Using pam_limits to Restrict Simultaneous Logins
Security Administration
  1. Security Concepts
  2. Tightening Default Security
  3. SuSE Security Checker
  4. Security Advisories
  5. Fine Grained Authorizations with Polkit
  6. File Access Control Lists
  7. Manipulating FACLs
  8. Viewing FACLs
  9. Backing Up FACLs
  10. File Creation Permissions with umask
  11. User Private Group Scheme
  12. Alternatives to UPG
  13. AppArmor
  14. SELinux Security Framework
  15. SELinux Modes
  16. SELinux Commands
  17. Choosing an SELinux Policy
  18. SELinux Booleans
  19. Permissive Domains
  20. SELinux Policy Tools
  21. SUSE Basic Firewall Configuration
  22. FirewallD

Lab Tasks

  1. User Private Groups
  2. Using Filesystem ACLs
  3. Exploring AppArmor
  4. Exploring SELinux Modes
  5. SELinux File Contexts
Basic Networking
  1. IPv4 Fundamentals
  2. TCP/UDP Fundamentals
  3. Linux Network Interfaces
  4. Ethernet Hardware Tools
  5. Network Configuration with ip Command
  6. Configuring Routing Tables
  7. IP to MAC Address Mapping with ARP
  8. Starting and Stopping Interfaces
  9. NetworkManager
  10. DNS Clients
  11. DHCP Clients
  12. SUSE YaST Network Configuration Tool
  13. Network Diagnostics
  14. Information from ss and netstat
  15. Hardware and System Clock
  16. Managing Network-Wide Time
  17. Continual Time Sync with NTP
  18. Configuring NTP Clients
  19. Useful NTP Commands

Lab Tasks

  1. Network Discovery
  2. Basic Client Networking
  3. NTP Client Configuration
Advanced Networking
  1. Multiple IP Addresses
  2. Configuring a DHCP server
  3. IPv6
  4. Interface Aggregation
  5. Interface Bonding
  6. Network Teaming
  7. Interface Bridging
  8. 802.1q VLANS
  9. Tuning Kernel Network Settings

Lab Tasks

  1. Multiple IP Addresses Per Network Interface
  2. Configuring IPv6
  3. Troubleshooting Practice: Networking
Log File Administration
  1. System Logging
  2. systemd Journal
  3. systemd Journal's journactl
  4. Secure Logging with Journal's Log Sealing
  5. gnome-system-log
  6. Rsyslog
  7. /etc/rsyslog.conf
  8. Log Management
  9. Log Anomaly Detector
  10. Sending logs from the shell

Lab Tasks

  1. Using the systemd Journal
  2. Setting up a Full Debug Logfile
  3. Remote Syslog Configuration
  4. Remote Rsyslog TLS Configuration
Monitoring & Troubleshooting
  1. System Status – Memory
  2. System Status – I/O
  3. System Status – CPU
  4. Performance Trending with sar
  5. Determining Service to Process Mapping
  6. Realtime Monitoring of Resources — Cgroups
  7. Troubleshooting Basics: The Process
  8. Troubleshooting Basics: The Tools
  9. strace and ltrace
  10. Common Problems
  11. Troubleshooting Incorrect File Permissions
  12. Inability to Boot
  13. Typos in Configuration Files
  14. Corrupt Filesystems
  15. RHEL7 Rescue Environment
  16. SUSE Rescue Environment

Lab Tasks

  1. Recovering Damaged MBR
  2. Cgroup for Processes
Pre-Installation Considerations
  1. Pre-Installation Considerations
  2. Hardware Compatibility
  3. Multi-OS Booting
  4. Partition Considerations
  5. Filesystem Planning
  6. Selecting a Filesystem
Installing RHEL7
  1. Anaconda: An Overview
  2. Anaconda: Booting the System
  3. Anaconda: Common Boot Options
  4. Anaconda: Loading Anaconda and Packages
  5. Anaconda: Storage Options
  6. Anaconda: Troubleshooting
  7. FirstBoot
  8. Kickstart
  9. Network Booting with PXE
  10. A Typical Install

Lab Tasks

  1. Linux Installation
  2. Automating Installation with Kickstart
Installing SLES12
  1. YaST Install Program Interface
  2. Network Installation
  3. SLP for SUSE Linux Installation
  4. Installation Choices
  5. Kernel Crash Dump Configuration
  6. Network Booting with PXE
  7. Creating AutoYaST2 Files
  8. Using AutoYaST2 files
  9. linuxrc Automation
  10. Installation Diagnostics
  11. After The First Reboot
  12. A Typical Install

Lab Tasks

  1. SUSE Linux Enterprise Server Installation
  2. Automating Installation with AutoYaST
Manage Virtual Machines
  1. Virtualization: What and Why?
  2. Introducing libvirt
  3. libvirt: Basic Concepts
  4. libvirt: Storage Architecture
  5. libvirt: Network Architecture
  6. libvirt: Graphical Tools
  7. libvirt: Command Line Tools
  8. virsh: Basics
  9. virsh: Common Tasks
  10. virt-install
  11. Virtual Machine Guest Tools & Drivers
  12. libguestfs and guestfish

Lab Tasks

  1. Installing a Virtual Machine
Backups
  1. Backup Software
  2. Managing Optical Media
  3. Tape Libraries
  4. Backup Examples

Lab Tasks

  1. Using rsync and ssh for Backups
  2. Using tar for Backups
  3. Using cpio for Backups
  4. Creating ISO Images for Backups
  5. Using dump and restore for Backups

Student Successes

  • The Certified ScrumMaster and Certified Scrum Developer courses that Michigan Technology Services set up for our organization were great. The instructors (Mark and Angela) were outstanding.

    - SF, Senior Software Developer – Hewlett Packard Enterprise

  • The instructors were top notch and made the courses exciting. I have taken Cisco CCNA, Linux and SQL admin classes and I find myself using the knowledge gained every day. If you value getting quality content that will be relevant for years to come, take these courses with Michigan Technology Services.

    - SP, Detroit Network Team Manager – Global Advertising Company

  • I have taken the Scrum Alliance Certified ScrumMaster and Product Owner classes from Michigan Technology Services and thoroughly enjoyed the class content and instructors. I found the ScrumMaster class particularly engaging and energizing as the instructor was top notch. Both classes fueled my passion for agile project management and team dynamics which I have used to drive change in the way my department executes and thinks about running software development projects. I highly recommend Robert and his company.

    - Daniel King, Senior Project Manager – AAA Michigan – Auto Club Group

  • In February of 2015, the Detroit Housing Commission reached out to Michigan Technology Services to request Microsoft Office Excel training for the staff. Within a few days, Rob was able to set up the services at a very reasonable expense. The trainer was superb, knowledgeable and very patient with the students.  It was one of the best trainings that we have ever had.

    - De’Onna Henderson, Director of Asset Management – Detroit Housing Commission

  • We had an excellent experience working with Rob at Michigan Technology Services. He went above and beyond helping us to design three days of onsite customized SharePoint training for our associates. The trainer was beyond knowledgeable and instrumental in the success of the project. If customized training is what you are looking for, we are confident that you need not look any further than MTS for your business training needs.

    - Brooke F., Business Systems Administrator – Gestamp North America

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