Linux System Administration Exam

Oracle Linux System Administration

The Oracle Linux System Administration (1Z0-403) exam is primarily intended for implementation consultants that have a high level of proficiency with Oracle Linux including system administration, networking and security.

Oracle Partners passing this exam will be recognized as OPN Certified Specialists. Prerequisites or additional requirements apply. Please click on the certification link for further clarification. This certification helps their companies qualify for the Oracle Linux Specialization.

Exam Number:
120 minutes
Associated Certifications:
Oracle Linux Administrator Certified Associate

OPN Certified Specialist
Number of
Exam Price:
US $195
Pricing may vary slightly by country or by localized currency. Check Pearson VUE’s website for exact pricing in your country.

Passing score subject to change. View Details
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Recommended Training Additional Information & Resources Exam Topics Fraudulent Activity Policy

Recommended Training
Oracle Linux System Administration– Exam Study Guide

OPN Guided Learning Path
Oracle Linux 5 Implementation Specialist

Oracle University Training
Oracle Linux: System Administration



Additional Information & Resources
Exam Retake Policy
Specialization Catalog (PDF) for all launched and planned Specializations
Product Mapping to Specialization (XLS)
More Training Opportunities for Oracle Partners
Sample Questions

This exam has been validated against Oracle Linux (OEL) Version 4.



Exam Topics

Installing Oracle Linux

  • Install  Oracle Linux on any supported architecture.
  • Create partitions, software RAID and LVM storage configurations.
  • Select Packages for Installation.

PC Hardware & Linux

  • Get detailed information about all PCI & USB devices that are connected to a Linux system
  • Identify, load, unload and configure kernel modules
  • Tune the running kernel using the /proc/ filesystem

Post-Install System Configuration

  • Set and maintain the system clock with date, hwclock and NTP
  • Install, update and remove RPM packages with the rpm & yum commands
  • Configure printers with CUPS
  • Create and use Kickstart files for automated, hands-off installations

Boot Process & SysV Init

  • Configure the GRUB boot loader
  • Manage SysV Init scripts, including customizing files under the /etc/sysconfig/ directory to tune SysV Init scripts
  • Configure and use SysV runlevels
  • Shutdown & reboot Linux systems

User/Group Administration and NFS

  • Describe and apply the User Private Group scheme
  • Create, delete and configure user and system accounts
  • Create, delete and configure groups
  • Customize the PAM configuration
  • Configure and control access to su and sudo
  • Configure Linux systems to use centralized authentication and user information stores for system logins
  • Implement a file server to share files with NFS v3 & v4
  • Configure the automounter (autofs) allowing un-privileged users to mount filesystems on-demand

Filesystem Administration

  • Work with device nodes and udev
  • Partition hard drives after installation
  • Create and tune filesystems
  • Mount filesystem, including persistent configuration in the /etc/fstab file
  • Create, manage and tune swap devices
  • Configure, manage, assign and maintain quotas on filesystems
  • Create, use and remove File Access Control Lists (FACLs)

LVM & Raid

  • Configure Logical Volume Manager volume groups and logical volumes
  • Create and use software RAID devices
  • Grow and shrink logical volumes and the filesystems on them
  • Use LVM snapshots to create consistent, reliable backups

Task Automation & Process Accounting

  • Use the at & batch facilities to run one-time tasks
  • Manage cron jobs for recurring tasks, both system-wide and per-user
  • Configure syslog for central system logging
  • View, manage and kill running processes
  • Monitor system and application logs on a daily basis with logwatch
  • Configure process accounting and examine the resulting logs
  • Limiting and measuring resource usage (ulimit, pam, sar, vmstat, iostat)

Client Networking

  • Configure TCP/IP networking on Linux systems
  • Configure static routing on a Linux system
  • Aggregate multiple network links into a single interface via the bonding driver's Etherchannel and 802.3ad support
  • Configure a Linux system to participate in multiple VLANs on a managed switch via 802.1q frame tagging
  • Configure and maintain a DHCP server
  • Using networking diagnostics tool (ping,arp,ethtool)

The X window System

  • Create a working X server configuration
  • Configure the GDM & KDM display managers
  • Configure X to allow remote logins via XDMCP
  • Securely deploy VNC

Security Concepts

  • Perform basic system hardening by minimizing the number of services that are installed
  • View and set SELinux security context labels
  • Use TCP Wrappers to control network access to local services
  • Create simple, secure Netfilter firewalls via the iptables command

Linux Kernel Compilation

  • Compile and install kernel modules externally from the kernel source tree.
  • Apply a kernel patch to add additional support
  • Configure and compile a Linux kernel from source


  • Use standard system commands to gather information about a running system
  • Recover a damaged Master Boot Record
  • Enter the Rescue environment



Oracle Certification Program Fraudulent Activity Policy
Oracle reserves the right to take action against any candidate involved in fraudulent activities, including, but not limited to, fraudulent use of vouchers, promotional codes, reselling exam discounts and vouchers, cheating on an exam, alteration of score reports, alteration of completion certificates, violation of exam retake policies or other activities deemed fraudulent by Oracle.

If Oracle determines, in its sole discretion, that fraudulent activity has taken place, it reserves the right to take action up to and including, but not limited to, decertification of a candidate's Oracle Certified Associate, Oracle Certified Professional and/or OCM credentials, temporary, indefinite or permanent ban of a candidate from Oracle certification programs, notification to a candidate's employer, and notification to law enforcement agencies. Candidates found committing fraudulent activities forfeit all fees previously paid to Oracle, or to Oracle's authorized vendors, and may be required to pay additional fees for services rendered.

View the Oracle Certification Program Candidate Agreement which requires your agreement before the start of each exam.



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