Red Hat Linux 8 Training Week 1

Red Hat Linux 8 Training Week 1

Material:

x86 PC/Server Operation Review

Parts of the computer
Power On to OS Loader Sequence
BIOS Settings
PCI Numbering Gotchas

Important Non-OS Specific Performance Considerations

CPU can be least of worries - Cobalt Examples
RAM is Fast, Everything else is slow
Hard Drives and Swapping - Outer rim velocity, IO Modes
Smaller install == Faster Seek Times
Network Settings Matching
Software Settings can kill a machine

Fast, Reliable, Cheap - RAID/Storage, Clusters, Networks

RAID Levels and advantages and disadvantages
Cluster Types - Failover, Active/Active, Beowulf
Check your gear's Backplanes - How much bandwidth does it have?

How Linux Works - Kernel, Processes, Memory, etc

The Modular Linux Kernel
Modules/Drivers - Not exactly the same as Windows
Shared Libraries
/proc - PIDs, hardware info, and settings (filehandles, ip_forwarding, etc)
Memory Utilization - Filesystem Caches, Aggressive Swapping

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