Linux Troubleshooting (L-314)

This 5-day course is designed to give the Linux system administrator an in-depth look at common and not so common Linux system problems.
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This 5-day course is designed to give the Linux system administrator an in-depth look at common and not so common Linux system problems.

This course takes a hands on approach to troubleshooting with a break-fix philosophy, 25% lecture, and 75% lab intensive content. Lab exercises contain a pool of over 120 simple and complex real-world troubleshooting scenarios. Lab work is flexible enough to satisfy the expectations of experienced to intermediate administrators through ranked difficulty of scenarios. Students will find the approach of this course of structure with flexibility very rewarding. Lab tasks let students choose the type of scenarios they would like to tackle, with hints, helps, and solutions to make learning very effective.

Course Objectives

  • Understand and apply a troubleshooting methodology to quickly isolate Linux problems.
  • Use diagnostic tools such as strace, ltrace, lsof, fuser, ipcs, ipcrm.
  • Use network testing tools such as netstat, ifconfig, nmap, arp, route, and tcpdump.
  • Use TCP wrappers and ipchains for security.
  • Troubleshoot the Linux boot process.
  • Troubleshoot Linux processes.
  • Troubleshoot services, such as Apache, FTP, squid, Samba, and Sendmail.
  • Troubleshoot Logical Volume Manager (LVM) issues and filesystems.
  • Troubleshoot LDAP directories.


    This course is designed for experienced Linux systems administrators that want to improve their ability to investigate, diagnose, and correct problems with Linux servers.


  • Students are expected to have experience using and administering Linux. Fundamentals such as an understanding of the Linux filesystem, process management, and the ability to manipulate and edit files is considered a must, and will NOT be covered in class.
  • Completed L-100, Introduction to the Linux Operating System, or have equivalent knowledge.
  • Completed L-250, Enterprise Linux Systems Administration, or have equivalent knowledge.
  • Completed L-275, Enterprise Linux Network Services, or have equivalent knowledge. —OR— Completed L-615, Linux for UNIX Administrators
More Information
Learning StyleVirtual Instructor-Led
Course Duration5 Days
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