Oracle Linux System Administration

Enrolling in this course will help you work towards becoming a knowledgeable Oracle Linux System Administrator. Learn how to install Oracle Linux and gain an understanding of the benefits of Oracle's Unbreakable Enterprise Kernel (UEK).

Learn To:

• Configure systems to use the UEK and enable kernel features.
• Perform initial system configuration; set up users and groups, configure system logging, the network and storage.
• Install additional software packages.
• Keep systems up-to-date using Oracle’s Unbreakable Linux Network.
• Keep the kernel up-to-date using Ksplice technology.
• Configure services available in Oracle Linux, such as: DHCP, DNS, NFS, Samba, FTP, OpenSSH, NIS, LDAP, PAM, Web and Email.
• Secure, monitor and troubleshoot systems.
• Prepare Oracle Linux systems to run Oracle Database.

Configuring & Updating the Kernel

Expert Oracle University instructors will take you through hands-on training configuring the kernel, installing packages and updating the kernel of a running system. You'll also learn how to configure users and rights, create and manage file systems, configure networking and manage system security.

Prepare a Linux Environment

This course concludes by teaching you best practices so you can properly prepare a Linux environment. This will help you develop the skills to install Oracle Database.

Audience

• Technical Consultant
• System Administrator
• Administrator

Course Topics 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

• Obtaining Oracle Linux
• Oracle Software Delivery Cloud
• Anaconda installer
• Installation steps
• Firstboot tool
• Unattended installation with Kickstart

Linux Boot Process

• The Linux boot process
• The init process
• SysV init Runlevels
• The /etc/rc.d directory
• Configure services for runlevels

System Configuration

• 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)

Ksplice

• Introduction to Ksplice
• How Ksplice works
• Ksplice implementation
• Installation instructions
• Manual instructions for Oracle Linux
• Using Ksplice Uptrack
• Ksplice Uptrack command summary
• System status

Automate Tasks

• Automating system tasks
• Configuring cron jobs
• Other cron directories and files
• The crontab utility
• Configuring anacron jobs
• The at and batch utilities

System Logging

• System log file configuration
• Configuring logrotate
• Use logwatch

Kernel Module Configuration

• Loadable Kernel Modules (LKM)
• Loading and unloading kernel modules
• Kernel module parameters

User and Group Administration

• Introduction to Users and Groups
• User and Group Configuration Files
• Adding a User Account
• Modifying and Deleting user accounts
• Group account administration
• User Private Groups (UPG)
• Password aging
• /etc/login.defs file

File Systems

• Disk Partitions
• Partition Table Manipulation Utilities
• File System Types
• Making File Systems
• Mounting File Systems
• The /etc/fstab File
• Mantaining File Systems
• Swap Space

Storage Administration

• Logical Volume Manager
• Physical Volume Utilities
• Volume Group Utilities
• Logical Volume Utilities
• RAID levels
• Encrypted Block Devices
• The kpartx Utility

Network Configuration

• Network Interfaces
• Additional network configuration files
• Command line network interface utilities
• Network interface bonding
• VLANs (virtual local network)
• The route utility
• NetworkManager
• The system-config-network utility

Network Addressing and Name Services

• Introduction to DHCP
• Configuring a DHCP server
• Configuring a DHCP client
• Introduction to DNS
• Nameserver types
• BIND
• DNS cache-only nameservers
• Zone files

File Sharing

• Introduction to NFS
• NFS server configuration
• The exportfs utility
• NFS client configuration
• Automounting filesystems
• Introduction to Samba
• Samba daemons and services
• FTP Server (vsftpd)

OpenSSH Service

• Introduction to OpenSSH
• OpenSSH configuration files
• OpenSSH configuration
• Using OpenSSH utilities
• Using the ssh-keygen utility

Authentication and Directory Services

• Authentication options
• Authentication configuration tool
• NIS authentication
• Introduction to LDAP
• OpenLDAP
• Configuring LDAP authentication
• Configuring Winbind authentication
• Configuring Kerberos authentication

Pluggable Authentication Modules (PAM)

• Introduction to PAM
• PAM module types
• PAM control flags
• PAM implementation examples

Security Administration

• Introduction to SELinux
• chroot jail
• Introduction to iptables
• TCP wrappers

Web and Email Services

• Apache HTTP server
• Email

System Monitoring and Troubleshooting

• The sosreport utility
• Kdump configuration
• The netdump utility
• The iostat, mpstat, vmstat, sar, top, iotop, strace, netstat, and tcpdump utilities
• OSWatcher Black Box (OSWbb)
• Enterprise Manager Ops Center
• Performance Counters for Linux (PCL)
• The perf utility

Oracle on Oracle

• Oracle software user accounts
• Oracle software group accounts
• System resource tuning
• Network Tuning
• HugePages
• Oracle ASM
• Oracle Cluster File System Version 2 (OCFS2)

Course Objectives

• Use Ksplice to update the kernel on a running system
• Prepare Oracle Linux System for Oracle Databases
• Install Oracle Linux and load and configure the Unbreakable Enterprise Kernel
• Install software packages from Unbreakable Linux Network and other repositories
• Configure system logging
• Load kernel modules and configure kernel module parameters
• Perform User and Group administration
• Create filesystems
• Maintain swap space
• Use Logical Volume Manager (LVM)
• Configure RAID devices
• Configure Networking and Networking services (DHCP, DNS)
• Configure File Sharing services (NFS, Samba, FTP, OpenSSH)
• Configure Directory and Authentication Services (NIS, LDAP, Winbind, Kerberos)
• Perform Security Administration (SELinux, iptables, chroot, TCP wrappers)