| Scheduled Dates | Price: $2200.00 |
Course Length: 5 days/40 hours
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. Equivalent knowledge of the GL120,GL250, and GL275 courses recommended.
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. See the exact versions here.
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 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
Networking Commands Review and Troubleshooting
IP Aliases vs Virtual Interfaces
Concepts and Troubleshooting:
xinetd, TCP Wrappers, iptables
X11, Syslog, RPM
CUPS, at, cron
DAY 3IP Aliases vs Virtual Interfaces
Concepts and Troubleshooting:
xinetd, TCP Wrappers, iptables
X11, Syslog, RPM
CUPS, at, cron
Users and Groups Troubleshooting
PAM Concepts and Troubleshooting
Filesystem Quotas and Quotas Troubleshooting
File Access Control Lists and Troubleshooting
DNS Concepts and Troubleshooting
DAY 4PAM Concepts and Troubleshooting
Filesystem Quotas and Quotas Troubleshooting
File Access Control Lists and Troubleshooting
DNS Concepts and Troubleshooting
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 5FTP Concepts and Troubleshooting
Squid Concepts and Troubleshooting
Samba Concepts and Troubleshooting
Sendmail Concepts and Troubleshooting
Postfix Concepts and Troubleshooting
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
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



