GL314 - Linux Troubleshooting
Course
Length: 5 days/40
hours Price $2,500
Course Description: This 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.
Prerequisites: 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.
Distributions: This courses is currently
supported on the latest releases of Red Hat Enterprise Linux, Fedora Core
Linux, SUSE Linux Enterprise Server, or SUSE Linux Professional.
DAY 1
Troubleshooting
Methodology
Common Troubleshooting Tools
RPM Queries and Verification
src Packages and spec Files
strace, ltrace, lsof and fuser
ipcs and ipcrm
vmstat, iostat, mpstat, and sar
ifconfig, ip, arp and route
netstat, rpcinfo, nmap, nc
tcpdump and ethereal
Rescue Environments and Procedures
Linux Boot Process Troubleshooting
Process Management and Troubleshooting
File Systems Concepts and Troubleshooting
Backups Concepts and Troubleshooting
DAY
2
Networking
Commands Review and Troubleshooting
IP Aliases vs Virtual Interfaces
Concepts and Troubleshooting:
xinetd, TCP Wrappers, iptables
X11, Syslog, RPM
CUPS, at, cron
DAY
3
Users
and Groups Troubleshooting
PAM Concepts and Troubleshooting
Filesystem Quotas and Quotas Troubleshooting
File Access Control Lists and Troubleshooting
DNS Concepts and Troubleshooting
DAY
4
Apache
Concepts and Troubleshooting
FTP Concepts and Troubleshooting
Squid Concepts and Troubleshooting
Samba Concepts and Troubleshooting
Sendmail Concepts and Troubleshooting
Postfix Concepts and Troubleshooting
DAY
5
IMAP & POP
Concepts and Troubleshooting
Kernel Modules and Troubleshooting
Logical Volume Management and Creating Logical Volumes
LVM Deployment Issues and Troubleshooting
RAID Concepts and Troubleshooting
Lightweight Directory Access Protocol and LDAP Troubleshooting
