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Enterprise Linux Systems Administration (LN4987)

This is a five-day, in-depth course that explores installation, configuration and maintenance of Linux systems. The course focuses on issues universal to every workstation and server. This 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 and troubleshooting.

A preferential rate (-15%) applies to the regular cost for non-profit organizations, as well as the government sector. In addition, you can benefit from additional advantages through a corporate agreement when you need to train several people or teams in your company. Contact us for details.

Public class

Duration: 
5 days / 35 hours

Private class

Virtual classroom
Minimum no. of participants: 5
5 days / 35 hours
Price on request
English or French
Contact us
Training plan: 

Module 1: Linux kernel & devices

  • Hardware Discovery Tools
  • Configuring New Hardware with hwinfo
  • Kernel Hardware Info “ /sys/
  • /sys/ Structure
  • udev
  • Managing Linux Device Files
  • List Block Devices
  • SCSI Devices
  • USB Devices
  • USB Architecture
  • Kernel Modules
  • Configuring Kernel Components and Modules
  • Handling Module Dependencies
  • Configuring the Kernel via /proc/
  • Console
  • Virtual Terminals
  • Keyboard & locale configuration
  • Serial Ports
  • Random Numbers and /dev/random

Module 2: SYSTEMD overview

  • System Boot Method Overview
  • systemd System and Service Manager
  • Modifying systemd services
  • Systemd Service Sandboxing Features
  • systemd Targets
  • Using systemd
  • Linux Runlevels Aliases
  • Legacy Support for SysV init

Module 3: GRUB2/SYSTEMD boot process

  • Booting Linux on PCs
  • GRUB 2
  • GRUB 2 Configuration
  • The Boot Loader Specification
  • GRUB 2 Security
  • Boot Parameters
  • Initial RAM Filesystem
  • init
  • Systemd local-fs.target and sysinit.target
  • Systemd basic.target and multi-user.target
  • Legacy local bootup script support
  • System Configuration Files
  • RHEL8 Configuration Utilities
  • SLES12 Configuration Utilities
  • Shutdown and Reboot

Module 4: Software Maintenance

  • Managing Software
  • RPM Features
  • RPM Architecture
  • RPM Package Files
  • Working with RPMs
  • Querying and Verifying with rpm
  • Updating the Kernel RPM
  • Dealing with RPM & YUM Digest Changes
  • YUM Plugins
  • YUM Repositories
  • Compiling/Installing from Source
  • Manually Installed Shared Libraries
  • Installing Source RPM Packages

Module 5: FileSystem Administraton

  • Partitioning Disks with fdisk
  • Partitioning Disks with parted
  • Filesystem Creation
  • Mounting Filesystems
  • Filesystem Maintenance
  • Persistent Block Devices
  • Resizing Filesystems
  • Swap
  • Filesystem Structures
  • Determining Disk Usage With df and du
  • Configuring Disk Quotas
  • Setting Quotas
  • Viewing and Monitoring Quotas
  • Filesystem Attributes
  • Backup Software

Module 6: LVM & RAID

  • Logical Volume Management
  • Implementing LVM
  • Creating Logical Volumes
  • Manipulating VGs & LVs
  • Advanced LVM Concepts
  • system-config-lvm
  • SLES Graphical Disk Tool
  • RAID Concepts
  • Array Creation with mdadm
  • Software RAID Monitoring
  • Software RAID Control and Display

Module 7: Remote Storage Administration

  • Remote Storage Overview
  • Remote Filesystem Protocols
  • Remote Block Device Protocols
  • File Sharing via NFS
  • NFSv4
  • NFS Clients
  • NFS Server Configuration
  • Implementing NFSv4
  • AutoFS
  • AutoFS Configuration
  • Accessing Windows/Samba Shares from Linux
  • SAN Multipathing
  • Multipath Configuration
  • Multipathing Best Practices
  • iSCSI Architecture
  • Open-iSCSI Initiator Implementation
  • iSCSI Initiator Discovery
  • iSCSI Initiator Node Administration
  • Mounting iSCSI Targets at Boot
  • iSCSI Multipathing Considerations

Module 8: User/Group Administration

  • User and Group Concepts
  • User Administration
  • Modifying Accounts
  • Group Administration
  • Password Aging
  • Default User Files
  • Controlling Logins
  • Manual DS Client Configuration
  • system-config-authentication
  • SLES Graphical DS Client Configuration
  • System Security Services Daemon (SSSD)

Module 9: Pluggable Authentication Modules (PAM)

  • PAM Overview
  • PAM Module Types
  • PAM Order of Processing
  • PAM Control Statements
  • PAM Modules
  • pam_unix
  • pam_nologin.so
  • pam_limits.so
  • pam_wheel.so
  • pam_xauth.so

Module 10: Security Administration

  • Security Concepts
  • Tightening Default Security
  • SuSE Security Checker
  • Security Advisories
  • File Access Control Lists
  • Manipulating FACLs
  • Viewing FACLs
  • Backing Up FACLs
  • File Creation Permissions with umask
  • User Private Group Scheme
  • Alternatives to UPG
  • AppArmor
  • SELinux Security Framework
  • SELinux Modes
  • SELinux Commands
  • Choosing an SELinux Policy
  • SELinux Booleans
  • Permissive Domains
  • SELinux Policy Tools
  • Basic Firewall Activation

Module 11: Basic Networking

  • IPv4 Fundamentals
  • TCP/UDP Fundamentals
  • Linux Network Interfaces
  • Ethernet Hardware Tools
  • Network Configuration with ip Command
  • Configuring Routing Tables
  • IP to MAC Address Mapping with ARP
  • Starting and Stopping Interfaces
  • NetworkManager
  • DNS Clients
  • DHCP Clients
  • system-config-network{tui,cmd}
  • SUSE YaST Network Configuration Tool
  • Network Diagnostics
  • Information from netstat and ss
  • Managing Network-Wide Time
  • Continual Time Sync with NTP
  • Configuring NTP Clients
  • Useful NTP Commands

Module 12: Advanced Networking

  • Multiple IP Addresses
  • Configuring a DHCP server
  • Enabling IPv6
  • Interface Bonding
  • Interface Bridging
  • 802.1q VLANS
  • Tuning Kernel Network Settings

Module 13: Log File Administration

  • System Logging
  • Syslog-ng
  • Rsyslog
  • /etc/rsyslog.conf
  • Log Management
  • Log Anomaly Detector

Module 14: Monitoring & Troubleshooting

  • System Status - Memory
  • System Status - I/O
  • System Status - CPU
  • Performance Trending with sar
  • Troubleshooting Basics: The Process
  • Troubleshooting Basics: The Tools
  • strace and ltrace
  • Common Problems
  • Troubleshooting Incorrect File Permissions
  • Inability to Boot
  • Typos in Configuration Files
  • Corrupt Filesystems
  • RHEL6 Rescue Environment
  • SUSE Rescue Environment
Exclusives: 
  • One year access to the class recording
  • Access to the lab environment during the training
  • Course material accessible in electronic format
  • Certificate of attendance
View the complete list of exclusives offered for your course
Prerequisites: 

An understanding of network concepts, and the TCP/IP protocol suite is helpful.

Follow-on trainings: 
Enterprise Linux Network Services (LN4988)
Enterprise Linux Security Administration (LN4990)
Audiences: 
Systems and Networks Specialist
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Contact us for more information on pricing::

Eccentrix
Office: 1-888-718-9732
E-mail: info@eccentrix.ca

130, King Street West, Suite 1800
Toronto, Ontario M5X 1E3
www.eccentrix.ca