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Course Description |
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Troubleshooting is both an art and a science. An instinct and a technique. In RH142 Red Hat Linux Troubleshooting Techniques and Tools, you will learn techniques for troubleshooting a Linux system and how to use the troubleshooting tools available on Red Hat Enterprise Linux. This course is a four-day, heavily lab-oriented class designed to help you learn or improve troubleshooting skills. You'll gain troubleshooting experience by debugging live systems. These labs offer a range of problems from RHCT level and up to allow you to extend your knowledge and techniques. |
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Audience |
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Linux system administrators tasked with troubleshooting system, network, and security issues. |
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Prerequisites |
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RHCT or equivalent system administration knowledge |
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Knowledge of installation, service management, basic system monitoring, and file system management |
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Basic understanding of troubleshooting, including
managing log files |
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Understanding the use of hardware probing tools such as ethtool and lspci is helpful but not required. |
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Course Content |
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Introduction to troubleshooting techniques |
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Troubleshooting boot issues: working with advanced GRUB features, rescue and GRUB CDs, advanced ext2/ext3 filesystem
repair, rescuing RAID and LVM volumes |
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Troubleshooting hardware: listing, testing and
analyzing devices |
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Troubleshooting applications: diagnosing performance problems and investigating application/OS interactions |
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Troubleshooting the network: configuration, testing and diagnosing problems with basic and advanced configurations |
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Security: working effectively with (and not against) security tools, including SELinux, SSL, and authentication |
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Making the most of Red Hat support resources |
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