Red Hat LINUX Advanced Courses and other IT courses from TEKsystems Education Services

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Course Code:	UN 108
Course Abstract:	This is a 100% hand-on course to explore and master advanced Red Hat LINUX skills, including: total understanding of the boot process (from boot loader tricks to run-level configuration), drill-down into /proc and /sys, kernel modules, kernel configuration and building, and installation/configuration of network servers (ftp, nfs, samba, apache, sendmail).
Audience:	This course is designed for novice to intermediate administrators.
Duration:	2 days
Learning Outcomes:	Upon completion of this course, the participant will be able to: > Troubleshoot the complete Red Hat LINUX boot process, from boot loader to run-levels > Use advanced information provided by /proc and /sys > Use advanced system-monitoring tools > Load, unload, configure, and troubleshoot Red Hat LINUX kernel modules > Configure and build a Red Hat LINUX kernel > Install and configure Red Hat LINUX network servers, including ftp, nfs, samba, and web server.
Course Topics:	Boot-Time Debugging Red Hat LINUX Rescue Mode Booting from CD/DVD media Booting from the normal boot device GRUB Command-Line GRUB functionality Security mechanisms available Filesystem support Modifying boot parameters Initial RAM Disk GRUB and the initrd Filesystem image or CPIO archive? What is in the initrd? How does mkinitrd determine what to include in initrd? Service Troubleshooting /sbin/init and /etc/inittab Modifying the startup sequence or run-level scripts Adding a custom startup script for an application Tour of /proc and /sys System Information How device configuration works (/sys and udevfs) Process Information How /proc provides insight into the running kernel Common subsets: sys/kernel, sys/vm, and sys/net Procfs transitional stages Kernel Tuning Information How to use the above information for kernel monitoring and tuning System Monitoring System Log Files Local log files Remote logging Applications that do not use the system log facility Log File Rotation The logrotate command and configuration Cron Jobs How at, batch, and cron/crontab are different from other Unix platforms SELinux Overview: what it is Configuration concepts Performance Monitoring Processes Common commands Strategies for useful monitoring Memory, Disks, and Networking Common commands Strategies for useful monitoring File Monitoring Common commands Disk performance in relation to files Asynchronous I/O System Call Tracing Common commands Strategies for using Kernel Modules Kernel Ring Buffer Loading/Unloading Caveats Memory usage vs. monolithic kernels Configuration and Troubleshooting When to use modules vs. when to build a new kernel Proprietary modules that taint the kernel Kernel Building Preparing to Build Finding the source code Finding and applying patches Directory structure and ownership considerations Configuration and Building Overview of the configuration process Requirements for building monolithic vs. module-based kernel Using the new kernel Installing the new kernel Installing an appropriate initrd Booting the new kernel without permanent installation Common problems Kernel Debugging Magic SysRq Requirements for use Commands available Kernel Oops Kernel Panics Overview: Oops vs. Panic Kernel build options regarding oopses and panics KGDB and KDB Overview: what are they and why would you use them? Network Services FTP Server Selection of available FTP server packages How to choose a package Use a commercial package? NFS Server The good and bad about NFS Advantages of NFS v4 Sample configuration and use Samba Server The good and bad about Samba (and SMB/CIFS) Installing the RedHat Samba package Initial configuration and ongoing maintenance Sample configuration and use Apache Server Apache options (multifork vs. worker threads) HTTP server inside the kernel? Overview of configuration
Prerequisites:	Red Hat LINUX Introduction course (or equivalent experience) is required. Preferably the participant has worked as an apprentice or novice system administrator for two months or more so they are familiar with terminology.

Red Hat LINUX Advanced Course

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