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HP
   
     
     
Course Name:   HP-UX Troubleshooting Training
     
Deployment Options:   Onsite - Instructor-Led Training
     
Course Duration:   5 days depending on audience background and options
 
Related Courses
 
 
Introduction:
 
This hands-on course examines some of the problems that can arise in key HP-UX system and network operations. It presents some of the tools and procedures that can be used to find the causes of problems and fix them. The 5-day course is 50 percent lecture and 50 percent hands-on.
 
Customize it:
 
This 5-day HP-UX Troubleshooting course will be customized to your needs and specifications. Eno.com will assist you in identifying those needs and specifications. A word to the wise, there are many vendors of HP training. They will typically have a broad and general course, one size fits all, already developed and just put your organization's name on the title slide. This minimizes their effort and time investment. At Eno.com, every course is made to your exact and exacting specifications. We help you ensure what you are getting is what you really need even if at the beginning you weren't too sure of what that was. We fit the class to your needs. We ever fit you into our standard, one size fits all, class.
 
Audience:
 
  • Experienced HP-UX system administrators
 
Prerequisite
 
  • HP-UX system and network administration I (H3064S) and HP-UX system and network administration II (H3065S) or
  • HP-UX for experienced UNIX system administrators (H5875S) or
  • Equivalent experience
 
Course Objectives:
 

After completing this course you will be able to:

  • Perform system recovery with Ignite-UX
  • Recover a non-bootable PA-RISC system
  • Recover a non-bootable Integrity system
  • Troubleshoot login problems
  • Work through file system recovery options
  • Resolve basic LVM problems
  • Troubleshoot process problems
  • Troubleshoot an 11i v2 kernel
  • Troubleshoot a kernel crash dump
  • Troubleshoot patch problems
  • Troubleshoot network, NFS, and DNS problems

Benefits to you:

  • Learn the techniques needed to recover your "dead" system
  • Understand file system check and recovery options to restore lost data
  • Anticipate problems and minimize network downtime by using basic diagnostics tools
  • Ensure your network is operating properly by checking NFS, and DNS functionality
  • Keep your system current by managing software patches
 
Course Outline
 

Troubleshooting resources

  • Manuals, web sites, and newsgroups
  • Log files
  • Key configuration files

System Recovery with Ignite-UX

  • Using make_tape_recovery
  • Customizing the make_tape_recovery tape
  • Verifying the make_net_recovery tape
  • Using the make_net_recovery tool

Troubleshooting non-bootable LVM disks and structures

  • LVM Structures and recovery
  • Missing device files and recovery
  • Missing /etc/lvmtab and recovery
  • Outdated Kernel Structures and recovery
  • Failed mirrored and unmirrored disks and recovery

Troubleshooting a PA-RISC System Boot Disk

  • Boot disk structure and potential failures
  • Using the Install Media for Recovery
  • Repairing damage to the LIF
  • Repairing damage to the LVM Structures
  • Recovering the kernel
  • LVM Maintenance mode
  • Recovering a mirrored boot disk

Troubleshooting/Booting an Integrity System

  • Integrity boot disk structure
  • Integrity boot process overview
  • Interacting with the EFI shell
  • Managing the EFI boot menu
  • Managing EFI File Systems
  • Booting from alternate sources
  • Mirroring an Integrity boot disk

Booting: Missing/Corrupt ASCII startup files

  • Interrupting the rc start scripts
  • System startup links
  • The /etc/rc.config.d directory
  • Booting to single user mode

Troubleshooting Login Problems

  • Login methods
  • ASCII login
  • GUI login
  • Protecting the system with /etc/shadow
  • Pluggable Authentication Modules

Troubleshooting File Systems

  • HPUX file systems
  • Corruption example
  • Using fsck
  • Using fsdb
  • Using fsadm

Troubleshooting Process Problems

  • What is a process?
  • Processes, thread states, and transitions
  • Using ps
  • Identifying process hierarchy
  • The kill command
  • Zombie processes
  • Clearing a zombie process
  • Identifying CPU intensive process
  • Troubleshooting CPU intensive processes

Troubleshooting an HPUX 11i v2 kernel

  • Kernel recovery roadmap
  • kcweb overview
  • Using kcweb via a local browser
  • The kernel change log
  • Booting to Tunable Maintenance Mode

Troubleshooting a Kernel Crash Dump

  • What is a kernel crash dump?
  • HPMC/ Transfer of Control
  • Why selective and/or compressed dumps?
  • Configuring memory classes and dump devices
  • How much dump space is needed?
  • Crash save directories and files
  • Kernel Crash Save Basic Information
  • Working with the Response Center

Troubleshooting Patch Problems

  • New patch attributes
  • Rollback files
  • Committing Patches
  • Additional patch management tools
  • The security_patch_check tool
  • Working with SD-UX logfiles
  • The Installed Products Database
  • Repairing a corrupt Installed Products Database

Troubleshooting Network Problems: Part I

  • Addressing the correct Correct layer
  • Troubleshooting LAN Card Configuration
  • Using the "lanadmin" command
  • The Subnetting Concept
  • Troubleshooting Subnet Mask Problems
  • The Routing Concept
  • Troubleshooting Routing problems
  • Monitoring the Network with "Ethereal"
  • Tuning the Network with "ndd"

Troubleshooting Network Problems: Part II

  • NFS functionality
  • NFS Server setup issues
  • NFS client issues
  • DNS functionality
  • Troubleshooting DNS Problems
  • Testing Name Servers with "nslookup"
  • Testing Resolvers with "nsquery
 

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