        RHEL 7 – nowe cechy dla administratorów培訓

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