Linux Troubleshooting Training

Answers to Popular Questions:

Yes, this class can be tailored to meet your specific training needs.
Yes, we provide Linux Unix consulting services.
Yes, group discounts are provided.

Course Description

This 5 - day course give s Linux administrators experience with both common and uncommon system problems. The course is based on the idea that the best way to learn troubleshootin g is to perform troubleshooting . Students practice applying tools and techniques in self - p aced labs , and can choose from over 120 scenarios organized by topic and di fficulty. Because each scenario is independent of the others, students can choose scenarios according to their interests and experience. Each scenario is designed to help stud ents develop deeper understanding while exploring the problem. All scenarios include optional hints designed to reflect a realistic troubleshooting process while only gradually revealing the solution. Students will find the flexibility and challenge of this co urse very rewarding
Course Length: 5 Days
Course Tuition: $2090 (US)


Experienced Linux systems administrators .

Course Outline


1. Trouble Shooting Methodology
The Troubleshooting Mindset
Evaluating Possible Solutions
Identifying and Implementing Change
Define and Follow Policies
Working with Others
Finding Documentation
Finding Help Online

2. Troubleshooting Tools
Common Troubleshooting Tools
RPM Queries
RPM Verification
SRPM and spec Files
Hardware Discovery Tools
Configuring New Hardware with hwinfo
strace and ltrace
lsof and fuser
ipcs and ipcrm
iostat, mpstat, and vmstat
Using hdparm to Measure
Troubleshooting with the ip command
Name Resolution
netstat and rpcinfonmap
tcpdump and wireshar

3. Rescue Environments
Diagnostic/Recovery Runlevels
Rescue Procedures
Recovery: mount & chroot
Recovery: Network Utilitiek

4. Topic Group 1
Linux Boot Process
Booting Linux on PCs
Troubleshooting With GRUB
Boot Process Troubleshooting
Troubleshooting: Linux and Init
Process Management
Process Management Tools
Troubleshooting Processes: top
Filesystem Concepts
Filesystem Troubleshooting
Backup Concepts
Backup Troubleshooting

5. Topic Group 2
Networking Tools
Networking Commands Review
Networking Troubleshooting
Virtual Interfaces/IP Aliases
Xinetd Concepts
Xinetd Troubleshooting
TCP Wrappers Concepts
TCP Wrappers Troubleshooting
Netfilter/iptables Concepts

6. Topic Group 3
X11 Concepts
X11 Server Operation
X11 Troubleshooting
Syslog Concepts
syslog-ng Concepts
Syslog Troubleshooting
RPM Concepts
RPM Troubleshooting
Common UNIX Printing System (CUPS)
CUPS Troubleshooting
at & cron
at & cron Usage
at & cron Troubleshooting

7. Topic Group 4
Users and Groups
Users and Groups Troubleshooting
PAM Concepts
PAM Troubleshooting
Filesystem Quotas
Quotas Troubleshooting
File Access Control Lists
FACL Troubleshooting
SELinux Concepts
SELinux Troubleshooting

8. Topic Group 5
Kernel Modules
Kernel Modules Troubleshooting
Logical Volume Management
Creating Logical Volumes
LVM Deployment Issues
VG Migration, PV Resizing & Troubleshooting
Software RAID Overview
RAID Troubleshooting
Troubleshooting OpenLDAP

9. Topic Group 6
DNS Concepts
DNS Troubleshooting
Apache Concepts
Apache Troubleshooting
FTP Concepts
FTP Troubleshooting
Squid Concepts
Squid Troubleshooting

10. Topic Group 7
Samba Concepts
Samba Troubleshooting
Postfix Concepts
Postfix Troubleshooting
Sendmail Concepts
Sendmail Troubleshooting
IMAP & POP Concepts
IMAP/POP Troubleshooting


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