Oracle Linux 7 Administration

This highly practical instructor led Oracle Linux 7 Administration training course introduces the delegate to the main concepts of the Oracle Linux operating system and basic systems administration.

Targeted to closely follow the Oracle Linux courses, this course together with the follow on Advanced Administration of Oracle Linux course will enable the delegate to work towards achieving the Oracle Linux Certified Associate Certification (1Z0-100).

The attendee will gain administration techniques used in the workplace.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

Course Objectives

To provide command line and GUI the skills required to work productively in the workplace using Oracle Enterprise Linux (OEL). The delegate will possess at the end of the course the majority of the skills required to begin their studies towards achieving the various Oracle Linux certifications.

Who will the Course Benefit?

The Oracle Linux 7 Administration training course is suitable for anyone who knows the Linux Essentials and needs to understand how to perform basic administration of the operating system. The course will particularly appeal to system administrators, Support Engineers, Database Administrators, network administrators, Unix administrators wishing to switch over/expand their skills or move to more popular Linux platforms, other operating system professionals or anyone who requires a proficiency in Linux.

Skills Gained

The delegate will learn and acquire skills as follows:

Learn how to install Oracle Linux 7
Manage users and groups
Understand the boot process, system daemons and using systemd
Install packages from the Unbreakable Linux Network repositories
Learn about how ksplice can be used to update a running kernel
Configure kernel module parameters and load/unload modules
Understand disk organisation, Logical Volume Manager and RAID devices
Create ext, XFS and btrfs filesystems
Managing networks
Configure network services (NFS, FTP, NTP and OpenSSH)
Perform basic security using firewalld and iptables
Considerations for running an Oracle database on Oracle Linux
Basic troubleshooting

Prerequisites

The delegate should be familiar with the topics covered on the Linux Fundamentals course including use of the ‘vi’ editor, working with files and directories, Linux command line and shell scripting.

Pre-Requisite Courses
Linux Fundamentals

Examinations

The Oracle Linux 7 Administration training course will provide the basic skills required to study towards taking the Oracle Certified Associate, Oracle Linux 5 and 6 System Administrator certification (1Z0-100) ). For those wishing to study for the Oracle Certified Professional Oracle Linux 6 System Administrator (1Z0-105) then they should also attend the Oracle Linux 7 Advanced Administration course.

For those taking certification, our courses and also with Oracle’s own courses your preparation for the exam should include on the job hands-on experience which cover topics from the exam syllabus. The courses may not cover all the exam topics and therefore the candidate should prepare appropriately. Therefore, before taking any exam, ensure you have the recommended experience. The Oracle website lists all exam requirements and these are updated regularly.

Exams are not included as part of the course.

• Course content

  Day 1

  Course Introduction
  Administration and Course Materials
  Course Structure and Agenda
  Delegate and Trainer Introductions

  Session 1: AN INTRODUCTION TO ORACLE LINUX

  A brief history of UNIX and LINUX
  GNU project
  GPL – GNU General Public license
  The LINUX kernel
  The Bash Shell
  Login sessions
  GUI sessions and tools
  Exercise

  Session 2: INSTALLING ORACLE LINUX

  Downloading Oracle Linux
  Using the anaconda installer
  Installation process
  Firstboot
  Exercise

  Session 3: SYSTEMD AND USING SYSTEMCTL TO CONTROL BOOT SERVICES

  The boot process, bootloader and GRUB2
  The systemd daemon
  Control Services using systemctl etc.
  Related commands
  System Shutdown and Reboot management
  Exercise

  Day 2

  Session 4: CONFIGURING THE SYSTEM

  Setting date and time
  Configuring Network Time Protocol (NTP)
  Various configuration files
  Using the sysctl utility
  Exercise

  Session 5: USING RPM and YUM PACKAGE MANAGEMENT TOOLS

  Installing removing software manually using rpm
  RPM queries and verifying packages
  Dependency problems and resolution
  Other RPM features
  The YUM management tool
  The software repositories
  Oracle Unbreakable Linux Network (ULN)
  Exercise

  Session 6: CONFIGURING LOG FILES and SYSTEM MONITORING

  System Log Files
  rsyslog configuration
  Analysing and rotating log files
  Use logrotate
  Basics of journald and using journalctl
  Monitoring tools:- sosreport, iostat, sar and top
  Enterprise Manager Ops Center and OSWatcher
  Exercise

  Session 7: MANAGING USER ACCOUNTS

  User and Group administration
  User Private Group (UPG)
  Adding, deleting and viewing users and groups
  Setting a password
  Profile files
  su and sudo commands
  Exercise

  Day 3

  Session 8: SCHEDULING FUTURE TASKS

  Using ‘at’ to manage one-off jobs
  Using the cron system
  System crontab files
  Monitoring cron access
  Controlling access to the ‘cron’ and ‘at’ facilities
  Using anacron
  Exercise

  Session 9: MAINTAINING THE KERNEL

  Listing, loading and removing modules (lsmod, modinfo etc)
  Updating the Kernel package
  Using kernel arguments
  Working with Unbreakable Enterprise Kernel (UEK)
  What is Ksplice
  Using Ksplice
  Introduction to Oracle ASM
  Exercise

  Session 10: BASIC CLIENT NETWORKING

  Configuring Network Interfaces
  Controlling Network Devices: ifup/ifdown
  Configuring IPV4 dynamic and static networking
  Network Tools ip, nmcli, ifconfig, ethtool etc
  Starting/restarting the network
  Network Monitoring Tools netstat, tcpdump, wireshark and tshark
  Exercise

  Session 11: MANAGE LOGICAL VOLUMES

  Creating partitions
  Creating Volume Groups and Logical Volumes
  Basic LVM design and configuration
  The Logical Volume Manager (LVM)
  Displaying information regarding LVM volumes
  Configuring RAID devices
  Exercise

  Day 4

  Session 12: CREATE AND MANAGE FILESYSTEMS

  Creating EXT filesystems
  Creating XFS Filesystems
  Mounting and un-mounting file systems
  The xfs_admin and xfs_growfs utilities
  Extending/reducing Volume Groups, Logical Volumes and filesystems
  Backing up and restoring XFS filesystems
  Managing Swap Space
  Exercise

  Session 13: MANAGING BTRFS FILESYSTEMS

  What is a btrfs filesystem
  The btrfs utility
  Creating and Mounting btrfs filesystems
  Maintaining btrfs filesystems
  snapper utility
  Exercise

  Session 14: THE OPENSSH COMMANDS

  What is available in OpenSSH – ssh, scp and sftp
  Using ssh-keygen, ssh-agent, ssh-add and ssh-copy-id
  By-passing password request when connecting to remote system
  Exercise

  Day 5

  Session 15:SECURING THE SYSTEM

  The firewall Facility
  firewall-config and firewall-cmd utilities
  Packet Filtering using firewalld
  iptables syntax
  TCP wrappers
  Exercise

  Session 16:REMOTE FILE SHARING

  Concepts of NFS
  Configuring NFS server and client
  Automounting NFS filesystems
  Configuring Very Secure FTP (vsftp)
  Troubleshooting NFS Problems
  Exercise

  Session 17:MANAGING ORACLE ON ORACLE

  Preparing Linux for Oracle Database
  Oracle Pre Install RPM
  Oracle Software and Group Accounts
  Kernel Parameters for Oracle Database
  Configure Huge pages
  Automatic Storage Management and ASMLIB
  Exercise

  Session 18:TROUBLESHOOTING

  Understanding the boot process
  The Rescue Environment
  The chroot utility
  dmesg utility
  Exercise