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Oracle Linux 7: System Administration

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Oracle Linux 7: System Administration

WHAT YOU WILL LEARN

The Oracle Linux 7: System Administration training helps you develop a range of skills, including installation, using the Unbreakable Enterprise Kernel, configuring Linux services preparing the system for the Oracle Database, monitoring and troubleshooting. Work with expert Oracle University instructors to develop expertise using this solution to benefit your business. In this course, you will be introduced to the Oracle IaaS Cloud Solution.

Learn To:

  • Enable kernel features
  • Set up users and groups
  • Configure system logging, the boot process, the network and storage
  • Install additional software packages
  • Keep the kernel up to data by using Ksplice
  • Understand how implementing Ksplice gives you zero down time kernel updates
  • Configure services such as NTP, NFS, FTP, OpenSSH, firewalls and iptables
  • Gain an understanding of the Oracle IaaS Cloud Solution

AUDIENCE

  • Database Administrators
  • Support Engineer
  • System Administrators
  • Technical Consultant

PREREQUISITES

  • Types of user accounts & Working with files and directories in Unix
  • Unix shell command line features & Basic shell scripting
  • Archiving and compressing files in Unix & Performing remote connections and file transfers
  • Text editing using vi & Unix process control
  • UNIX and Linux Essentials

METHODOLOGY

This program will be conducted with interactive lectures, PowerPoint presentations, discussions and practical exercises.

COURSE OBJECTIVES

Upon completion of this program, participants should be able to:

  • Create Ext, XFS, and Btrfs file systems
  • Maintain swap space
  • Use logical volume manager (LVM)
  • Configure RAID devices
  • Configure File Sharing services (NFS, FTP, OpenSSH)
  • Perform Security Administration (firewalld, iptables, chroot, TCP wrappers)
  • Gain an understanding of the Oracle IaaS Cloud Solution
  • Install software packages from Unbreakable Linux Network and other repositories
  • Use Ksplice to update the kernel on a running system
  • Configure system logging
  • Load kernel modules and configure kernel module parameters
  • Prepare Oracle Linux system for Oracle database
  • Troubleshoot problems and perform corrective action
  • Install Oracle Linux 7
  • Load and configure the Unbreakable Enterprise Kernel
  • Perform User and Group administration

Expand All

Modules

Course Introduction
  • Virtualization
  • Elements of course environment
  • Course structure
Introduction to Oracle Linux
  • Development of Linux Kernel
  • Linux kernel development model
  • Linux distributions
  • Oracle's commitment to the success of Linux
  • Oracle's technical contributions to the Linux community
  • Oracle's Unbreakable Enterprise Kernel (UEK)
Installing Oracle Linux 7
  • Obtaining Oracle Linux 7
  • Oracle Software Delivery Cloud
  • Anaconda installer
  • Installation steps
  • Firstboot tool
Oracle Linux 7 Boot Process
  • Oracle Linux 7 boot process
  • GRUB 2 bootloader
  • kernel boot parameters
  • systemd system and service manager
  • systemd service units
  • The systemctl utility
  • systemd target units
System Configuration
  • Configuring system date time
  • Using Network Time Protocol (NTP)
  • Configuring NTP by using Chrony
  • System configuration files
  • The proc filesystem
  • The sysfs filesystem
  • The sysctl utility
Package Management
  • Introduction to Oracle Linux package management
  • The rpm utility
  • Oracle Public Yum server
  • Yum configuration
  • The yum utility
  • Oracle Unbreakable Linux Network (ULN)
  • ULN channels
  • Switching from RHN to ULN
Ksplice
  • Introduction to Ksplice
  • How Ksplice works
  • Ksplice implementation
  • Ksplice packages on ULN
  • Using Ksplice Uptrack
  • Ksplice Uptrack command summary
  • Ksplice Offline Client
Automate Tasks
  • Automating system tasks
  • Configuring cron jobs
  • Other cron directories and files
  • The crontab utility
  • Configuring anacron jobs
  • The at and batch utilities
Kernel Module Configuration
  • Using the lsmod utility
  • Using the modinfo utility
  • Loading and unloading kernel modules
  • Using the modprobe utility
  • The insmod, depmod, and rmmod utilities
  • ASM Cluster File System (ACFS) and ASM Dynamic Volume Manager (ADVM) drivers
  • Kernel module parameters
User and Group Administration
  • User and group configuration files
  • Adding a user account
  • Modifying and deleting user accounts
  • Group account administration
  • User Private Groups (UPG)
  • Password configuration
  • User Manager Tools
  • su and sudo commands
Partitions, File Systems, and Swap
  • Disk Partitions
  • Partition Table Manipulation Utilities
  • File System Types
  • Making Ext File Systems
  • Mounting File Systems
  • The /etc/fstab File
  • Swap Space
Implementing the XFS File System
  • XFS: Introduction
  • Creating an XFS File System
  • The xfs_growfs utility
  • The xfs_admin utility
  • Enabling disk quotas
  • The xfs_quota utility
  • Backing up and restoring XFS File Systems
  • XFS File Systems Maintenance
Implementing the Btrfs File System
  • Btrfs: Introduction
  • Creating a Btrfs File System
  • The btrfs utility
  • Btrfs Subvolumes and Snapshots
  • Mounting a Subvolume or Snapshot
  • Btrfs File Systems Maintenance
  • Converting Ext File Systems to Btrfs
Storage Administration
  • Logical Volume Manager
  • Physical Volume Utilities
  • Volume Group Utilities
  • Logical Volume Utilities
  • Backing up and restoring volume group metadata
  • LVM Thin Provisioning
  • The snapper utility
  • Configuring RAID devices
Network Configuration
  • Network interface file naming
  • Network configuration files
  • Starting the Network Service
  • The ethtool utility
  • NetworkManager
  • The nmcli utility
  • The ip utility
File Sharing
  • NFS server configuration
  • The /etc/exports file
  • Starting the NFS services
  • The exportfs utility
  • NFS client configuration
  • Automounting filesystems
  • vsftpd configuration options
OpenSSH Service
  • OpenSSH configuration
  • Using OpenSSH utilities
  • The ssh, scp, and sftp utilities
  • Using the ssh-keygen utility
  • Connecting to a remote system without supplying a password
  • Using ssh-agent
  • Using ssh-add
Security Administration
  • The chroot utility
  • Implementing a chroot jail
  • Packet-filtering firewalls
  • The firewalld service
  • The firewall-config utility
  • The firewall-cmd utility
  • The iptables service
  • TCP wrappers
Oracle on Oracle
  • Oracle software user and group accounts
  • System resource tuning and network tuning
  • Linux shared memory kernel parameters
  • Semaphores kernel parameter
  • File handles and Asynchronous IO (AIO) kernel parameter
  • Oracle-related shell limits
  • Configuring HugePages
  • Oracle ASM
System Monitoring & System Logging
  • The sosreport utility
  • The iostat, mpstat, vmstat, sar, top, iotop, strace, netstat, and tcpdump utilities
  • Wireshark GUI and tshark CLI
  • OSWatcher Black Box (OSWbb)
  • System Logging: Introduction
  • rsyslog configuration
  • Facility/Priority-based filters
  • rsyslog Actions and Template
Troubleshooting
  • Two-phased approach to troubleshooting
  • Operating system logs
  • The dmesg utility
  • Troubleshooting resources
  • Problem causes
  • Boot problems
  • NFS problems
Oracle Cloud Computing
  • Overview of the different Oracle Cloud Solutions
  • Begin with Oracle Compute Cloud Subscriptions
  • Oracle Compute Cloud Service Terminology
  • Oracle-Provided Linux Images on the Cloud
  • Workflow to Create Your First Oracle Linux Instance on the Cloud
  • Create an SSH-Enabled User on an Oracle Linux Instance
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