Network configuration

• Examine and configure network interface settings.
• Manage routes.
• Manage on-demand services.
• Use manual and NetworkManager (GUI) configuration techniques.
• Troubleshoot network problems.
• Monitor network activity.

System configuration

• The /etc/sysconfig directory and configuration files.
• The /proc and /sys file systems.
• The sysctl utility and /etc/sysctl.conf.
• System time configuration with hwclock and NTP.

User and Group management

• Create and manage user accounts and groups.
• User Private Groups.
• User Management tools.
• sudo configuration.

System resource and Log management

• Schedule regular tasks using crontab and anacron.
• The batch and at utilities.
• Manage access to cron.
• Examine and manage system logs. rsyslog.conf.
• Facility and priority filters.
• Templates.
• Log rotation and logrotate.

System Monitoring

• Using a variety of utilities including mpstat, iosstat, vmstat, top, iotop, sar, netstat and tcpdump.
• The sosreport utility.
• tshark and wireshark for network monitoring.
• OSWatcher Black Box (oswbb) and OSWatcher Black Box Analyser. (oswbba).
• Spacewalk from RedHat.
• Overview of Oracle Ops Center Management software.

Security Administration

• The chroot command.
• Create a chroot jail.
• Further security topics such as Firewall, SELinux and TCP wrappers.

PAM Authentication

• Pluggable Authentication Modules and their role in system authentication.
• PAM module types.
• PAM control flags.
• PAM examples including login, su and reboot authentications.

Software package management

• Examine installed software, query software, install/remove software using rpm and yum.
• How yum repositories work.
• Oracle public yum service.
• Create a custom repository.
• Unbreakable Linux Network and ULN channels.
• Create a local ULN mirror.
• Switch from RedHat network to ULN.

Access remote systems

• Access remote systems using SSH, VNC (graphical access), and VSFTP.
• Configuring key-based SSH authentication.
• ssh-add and ssh-agent.

Deploy and secure file-sharing services

• Configure essential network services, including iptables firewall configuration.
• NFS server and client configuration.
• NFS automounter.

Managing SELinux

• Display and manage SELInux facilities such as booleans and file system contexts.
• Debug errors caused by SELinux.

Managing basic disk partitions and EXT file systems

• Add new disks
• file system types
• create and tune file systems
• mount file systems
• manage swap space.

Storage Administration including Logical volume management

• Logical volume concepts.
• Physical components.
• Volume Groups.
• Create and manage linear and mirrored logical volumes.

Extending volumes.

• Creating snapshots.
• Linux RAID levels using mdadm.

The boot process

• The init (upstart) process and runlevels.
• The GRUB bootloader configuration and security.
• Shutting down the system correctly.
• xinetd on-demand services and TCP wrappers.

Linux Kernel Development = The development model.

• Oracle and its commitment to Linux, and the contributions they have made.
• The Oracle Unbreakable Enterprise Kernel (UEK).

Kernel modules

• Loadable modules.
• Using lsmod amd modinfo.
• The modprobe utility.
• Loading/unloading modules.
• Using parameters with kernel modules.
• ASM Cluster File System and ASM Dynamic Volume Manager modules.

The Oracle database on OEL - management tasks

• Creating appropriate oracle users and groups.
• Installing the correct system and network resource controls.
• Shared memory, semaphores, async IO and file handle parameters.
• Examine and set shell limits.
• Memory configuration of Linux HugePages.
• Introduction to Oracle ASM.

OEL Interactive installations.

• Obtaining Oracle Linux.
• The Oracle software delivery cloud.
• Performing an installation with the anaconda installer.
• The firstboot tool.