Course Outline

Upgrade to version 7

 

  • Overview of the upgrade process from RHEL version 6.x to version 7
  • Opportunities and limitations

Systemd

 

  • About SysV vs. Upstart vs. system
  • Introduction to Systemd
  • Service management with systemctl
  • Basic Concepts: Slices, Services, Targets
  • About Targets vs. Runlevel, interdependencies between services
  • Systemd and cgroups: resource restriction, CPU allocation, and remaining resources
  • New logging capabilities for journald mechanism
  • Detect and solve problems
     

Management System with new tools

  • Tuned
  • About Chrones vs NTP
  • System Storage Manager (SSM)
  • Mechanisms of data storage: LVM / dm_cache


BTRFS and Snapper

  • Introduction to the BTRFS file system
  • Redundancy and the ability to resize during system operation
  • slave volumes and snapshots
  • Manage snapshots using Snapper


Linux Container, Docker and Kubernetes

 

  • Introduction to Linux-Container (LXC)
  • Benefits and applications
  • Comparison of technology: Docker, Rocket and LXD
  • Installation, configuration and administration of the Docker mechanism
  • Creating images and managing containers
  • ​Kubernetes Container Management


Integration with windows

  • Introduction to Samba 4 (S4) version 4.5
  • New features of the S4 package
  • About Samba 4 as an Active Directory domain controller
  • Command Line Tools, RSAT
  • About Samba 4 - integration with W2Kx systems - domain, replication, rules groups

SSSD and REALMD

  • Installation and configuration
  • Central authentication of user objects by SSSD
  • Integration with Active Directory
  • About SSSD - an overview of the possibilities
  • About SSSD and realmd

News on high availability management mechanisms

  • New clustering mechanisms - PCS (Pacemaker Configuration System)
  • About Corosync 2.x / Pacemaker as CMAN replacement (/ Pacemaker)
  • CRM and CIB, and other cluster resources: LSB, systemd, and OCF
  • About Primates, Groups, Cloning Groups, and Multi-Resources
  • Rules and limitations as components of the cluster configuration
  • Cluster management with PCS and CRM-Shell
  • Comparison of PCS and CRM-Shell
  • Emergency Failover

Disk space management with Ceph

  • Introduction to mechanisms: Software Defined Storage Clusters
  • Cloud Storage Managed by Ceph
  • Construction and operation
  • About CEPH 10.x 'Jewel' - integration with systemd mechanism
  • Ceph cluster configuration
  • Overview of Ceph-RBD and CephFS
  • Overview of operation mechanisms: Crushmaps, Storage Tiering /Erasure Coding

 

 28 Hours

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