Linux Troubleshooting 5 days Detailed Course Outline
Contents
1.2. Linux Troubleshooting days This course is designed to give the Linux system administrator an in depth look at common and not so common Linux system problems Linux system problems explored in this course are frequently encountered with the administration of Linux Systems This course takes the 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 Equivalent knowledge of the GL120 GL250 and GL275 courses Courseware supports latest versions of Red Hat Enterprise Linux Fedora Core SUSE LINUX Professional and SUSE LINUX Enterprise Server Suggested course duration 5 days Detailed Course Outline Section 1 Troubleshooting Methodology Section 2 Tools Common Troubleshooting Tools RPM Queries and Verification src Packages and spec Files strace Itrace lsof and fuser ipcs and ipcrm vmstat iostat mpstat and sar ifconfig ip arp and route Name Resolution netstat and rpcinfo nmap and ne tcpdump and ether
3. eal Lab 2 Exploring and documenting current system configuration state Troubleshooting techniques with RPM process related tools and network related tools Section 3 Rescue Environments Rescue Procedures Recovery Examples Lab 3 Using rescue disk Using mount and chroot to access hard disk Reinstalling the MBR with grub install Section 4 Setting up networking statically Mounting an NFS share Installing an RPM using the root option Linux Boot Process Booting Linux Boot Process Troubleshooting Process Management and Troubleshooting File Systems Concepts and Troubleshooting Backups Concepts and Troubleshooting Lab 4 Section 5 Lab 5 Section 6 Lab 6 Section 7 Troubleshooting common system and daemon errors Restoring files from backup Booting Scenarios 6 exercises Process Scenarios 3 exercises Backup Scenarios exercise Networking Commands Review and Troubleshooting IP Aliases vs Virtual Interfaces xinetd Concepts and Troubleshooting TCP Wrappers Concepts and Troubleshooting iptables Concepts and Troubleshooting iptables Scenario 2 exercises Networking Scenarios 4 exercises TCP Wrappers Scenarios 2 exercises xinetd Scenarios 4 exercises X11 Concepts Troubleshooting and Server Operation X11 Concepts and Troubleshooting Syslog Concepts and Troubleshooting RPM Concepts and Troubleshooting CUPS Troubleshooting at amp cron Troubleshooting at amp cron Scenarios 4 exercises CUPS Scen
4. erio 2 exercises RPM Scenarios 4 exercises at cron Scenarios 4 exercises Syslog Scenarios 3 exercises X Scenarios 7 exercises Users and Groups Troubleshooting PAM Concepts and Troubleshooting Filesystem Quotas and Quotas Troubleshooting Lab 7 Section 8 Lab 8 Section 9 Lab 9 Section 10 FACL s and ACL s for users and or groups File Access Control Lists and Troubleshooting Filesystem Scenarios 6 exercises PAM Scenarios 4 exercises Quota Scenarios 5 exercises User and Group Scenarios 5 exercises DNS Concepts and Troubleshooting Apache Concepts and Troubleshooting FTP Concepts and Troubleshooting Squid Concepts and Troubleshooting Apache Scenarios 5 exercises DNS Scenarios 4 exercises FTP Scenarios 2 exercises Squid Scenarios 4 exercises Samba Concepts and Troubleshooting Sendmail Concepts and Troubleshooting Postfix Concepts and Troubleshooting IMAP amp POP Concepts and Troubleshooting IMAP POP Scenarios 3 exercises Postfix Scenarios 5 exercises Samba Scenarios 3 exercises Sendmail Scenarios 4 exercises 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 Lab 10 Kernel Module Scenarios 3 exercises LDAP Scenarios 3 exercises LVM Scenario 1 exercise NIS scenarios 2 exercises RAID Scenario 3 exercise
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