Hardware and OS knowledge training list

Server Basic ConceptsServer thickness Unit PC Server concept server various interface identification Common server brand and model, stability and popularity comparison CPUFrequency, FSB, multiplier, front-side bus frequencies cache common CPU model and model meaning physical CPU, logical CPU, hyper-Threading Concept top command, load meaning, when to need attention MemoryDDR meaning memory frequency meaning memory strip damaged, loose phenomenon and solution. Memory usage, a process that confirms high memory usage, FREE,TOP,PS and TOPAS commands PCIe Slots and recognition orderPCIe slot Concepts and advantages how to confirm the PCIe slot rate and version install HCA card and flash card selection slots for the basic principles of PCIe slots in the OS level recognition order. The LSPCI command uses the hard disk back plate and its connection portHDD backplane function and location server What is the case with a/two backplane number of connectors, with RAID cards, hard drive expansion slots wiring rules. Out-of-band ManagementCommon Out-of-band Management configuration common Out-of-band management access methods Out-of-band management functions DiskDisk classification, structure common disk brand and model, disk model parameter significance Flash CardFlash card differs from common disk in common brand and model, model meaning firmware and drive, upgrade step RAID CardRAID card function common RAID level and usage scene, write penalty RAID card firmware upgrade step RAID card management tool usage (graphical interface, MEGACLI,HPACUCLI), RAID card log view IB NetworkCommon IB switch brands and models, IB line rate IB link status confirmation, troubleshooting OPENSM/OPENIBD Services Ethernet NetworkCommon gigabit/hundred Gigabit Switch, server network port rate, network ports and state, MTU meaning, network interface binding ethtool,netstat,ifconfig,nslookup,route,ping OSFile system
Common file system formats and usage (EXT4, ZFS, NFS, JFS), MKFS command fsck use logical volume management
LINUX:LVM Aix:smitty vg/lv IO
IO usage, iostat and Dstat commands common IO class error handling IO performance issues troubleshooting RAID card read/write cache function, cache breakdown process/thread
Process/Threading Conceptual issues process positioning other common commands and tools
Crontab NFS ntp/ntpdate DSET dmidecode oswatcher vim yum port map qdata-ping.py fdisk/parted Rsync Common configuration files
/etc/security/limits.conf/etc/sysctl.conf