Linux System Administration (55187)

Apresentação

This 4-day Linux System Administration course teaches attendees how to administer, configure and upgrade Linux systems running one of the three major Linux distribution families (Red Hat, SUSE, Debian/Ubuntu). Focused on enterprise environments, it provides Linux system administrators with all the tools and concepts needed to efficiently build and manage a production Linux infrastructure. This course presents state-of-the-art techniques used in the industry and applies them in the context of practical labs.

Destinatários

This course is intended for System administrators and users who already have at least some basic exposure to Linux or another UNIX-based operating system constitute the target audience for this class. Anyone who is looking to acquire practical knowledge in the field of system administration in enterprise environments will save significant time by attending this course. It should also be considered a necessary step to be taken by anyone considering more advanced classes in our System Administration curriculum track. The concepts covered provide important building blocks for anyone looking to attend more advanced classes

Pré-requisitos

  • Knowledge of the basic components of Linux
  • Familiarity with text editors (emacs, VI)
  • Working knowledge of Bash scripting.
  • Attendees should already have prior exposure to a Linux or UNIX system and practical experience with the command line interface at a level that is equivalent to what is covered in our free LFS101x – Introduction to Linux course (available on edX.org). Basic tools such as text editors, file utilities and basic tasks are assumed to be well-understood prior to this course

Objetivos

After completing this course, students will be able to:

  • Perform essential Linux commands such as installation, searches and manipulating files.
  • Operate running Linux systems by managing the boot process, scheduling jobs, updating the system, monitoring system performance and managing security.
  • Manage users and groups by adding/deleting/modifying, configuring LDAP and PAM, modifying user processes and resources.
  • Ensure network performance via configuration, monitoring, tunnelling and routing of traffic.
  • Configure services such as DNS, shares, SSH and SELinux/AppArmor as well as servers for DHCP and HTTP.
  • Manage system storage by using partitions, logical volumes, phsyical volumes, ACLs, quotas and clustering

Programa

Introduction

  • Linux Foundation
  • Linux Foundation Training
  • Linux Foundation Certifications
  • Laboratory Exercises, Solutions and Resources
  • E-Learning Course: LFS201
  • Distribution Details

Linux Filesystem Tree Layout

  • Data Distinctions
  • FHS Linux Standard Directory Tree
  • root (/) directory
  • /bin
  • /boot
  • /dev
  • /etc
  • /home
  • /lib and /lib64
  • /media
  • /mnt
  • /opt
  • /proc
  • /sys
  • /root
  • /sbin
  • /srv
  • /tmp
  • /usr
  • /var
  • /run

Processes

  • Programs and Processes
  • Process Limits
  • Creating Processes
  • Process States
  • Execution Modes
  • Daemons
  • niceness
  • Libraries
  • Signals

Package Management Systems

  • Software Packaging Concepts
  • RPM (Red Hat Package Manager)
  • DPKG (Debian Package)
  • Revision Control Systems

Package Installers

  • Package Installers
  • yum
  • zypper
  • APT

System Monitoring

  • System Monitoring
  • Process Monitoring
  • Memory Monitoring and Tuning
  • Network Monitoring
  • I/O Monitoring
  • I/O Scheduling **
  • System Log Files
  • sar **

Linux Filesystems

  • Filesystem Basics
  • Virtual Filesystem (VFS)
  • Available Filesystems
  • Filesystem Concepts
  • Disk and Filesystem Usage
  • Extended Attributes
  • ext4
  • XFS **
  • btrfs **

Partitioning and Formatting Disks

  • Common Disk Types
  • Disk Geometry
  • Partitioning
  • Naming Disk Devices
  • Sizing up partitions
  • Partition table editors

More on Linux Filesystems

  • Creating and formatting filesystems
  • Checking and Repairing Filesystems
  • Mounting filesystems
  • automount
  • Swap
  • Filesystem Quotas **

Encrypting Disks

  • Filesystem Encryption
  • LUKS
  • Using an Encrypted Partition

LVM and RAID

  • Logical Volume Management (LVM)
  • Volumes and Volume Groups
  • Working with Logical Volumes
  • Resizing Logical Volumes
  • LVM Snapshots **
  • RAID **
  • RAID Levels **
  • Software RAID Configuration **

Kernel Services and Configuration

  • Kernel Overview
  • Kernel Configuration
  • sysctl
  • Kernel Modules
  • Module Utilities
  • Module Configuration
  • udev and Device Management

Virtualization Overview

  • Introduction to Virtualization
  • Emulation
  • Hypervisors
  • libvirt
  • QEMU
  • KVM

Containers Overview

  • Containers
  • Docker
  • Docker Commands

User and Group Account Management

  • User Accounts
  • Management
  • Passwords
  • Restricted Shells and Accounts **
  • The root Account
  • Group Management
  • SSH
  • PAM (Pluggable Authentication Modules)
  • Authentication Process
  • Configuring PAM
  • LDAP Authentication **
  • File Permissions and Ownership

Networking

  • IP Addresses
  • Hostnames
  • Network Devices
  • ip and ifconfig
  • Network Configuration Files
  • Network Manager
  • Routing
  • DNS and Hostname Resolution
  • Network Diagnostics

Firewalls

  • Firewalls
  • Interfaces
  • firewalld
  • Zones
  • Source Management
  • Service and Port Management

System Startup and Shutdown

  • Understanding the Boot Sequence
  • System Configuration Files in /etc
  • Shutting down/Rebooting the System
  • The Grand Unified Boot Loader
  • GRUB Configuration Files
  • The init Process
  • systemd
  • SysVinit Startup **
  • chkconfig and service **
  • Upstart **

Backup and Recovery Methods

  • Backup Basics
  • cpio **
  • tar
  • Compression: gzip, bzip2 and xz and Backups
  • dd
  • rsync
  • dump and restore **
  • mt **
  • Backup Programs **

Linux Security Modules

  • Linux Security Modules
  • SELinux
  • AppArmor

Local System Security

  • Local System Security
  • Creating a Security Policy
  • Updates and Security
  • Physical Security
  • Filesystem Security

Basic Troubleshooting and System Rescue

  • Troubleshooting Overview
  • Things to Check: Networking
  • Boot Process Failures
  • Filesystem Corruption and Recovery
  • Virtual Consoles
  • Rescue Media and Troubleshooting
  • System Rescue and Recovery

13 — 24 Abr 2020

Pós-Laboral — 18:30h/22:00h

Nível Iniciado

28 horas — 8 dias

Lisboa

1050€

05 — 08 Mai 2020

Laboral — 09:30h/17:30h

Nível Iniciado

28 horas — 4 dias

Lisboa

1050€

19 — 22 Mai 2020

Laboral — 09:30h/17:30h

Nível Iniciado

28 horas — 4 dias

Porto

1050€

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