Linux Learning notes: Linux System Management

Linux System Management
1. Storage Management
Traditional disk Partitioning
RAID technology, implementation of soft raid
Lvm
File System Management
Ext,xfs,btrfs (Learn)
2. Package Management
RPM, yum, DNF
3.sed, Gawk
4. Process Management
5. Network Management
Networking Basics (Cisco CCNA+CCNP)
Network attribute Management
Network parameter Monitoring
6.Linux Kernel Management
Kernel Compilation and Installation
Clipping of the kernel
Custom kernels
7.Linux system Start-up process
CentOS5, 6, 7
8. System Installation
Kickstart, DHCP, PXE
The perfect 9.shell script

Linux Storage Management
The interface type of the disk:
IDE: The same port, from ata,133mbps
SCSI: The same port,
ultrascsi320:320mbps
ultrascsi640:640mbps
Narrow Band: 7 14
Broadband: 15 30
Sata:serial ATA, serial port
SATA1 2 3 6Gbps
SAS: Serial
6Gbps
Usb:
1.0 1.1 2.0 3.0:480mbps 3.1:10gbps

Dual channel: 160MBps

IOPS: Io times per second
IDE: Mechanical HDD, 50IOPS
SCSI: Mechanical HDD, 100-200iops
Solid-state drives, around 400
SATA: Mechanical HDD: Around 100
Solid-state drives, 400
SAS: Mechanical HDD, around 200
Solid-state drives, around 800

PCI-E Solid State Drive: 100000+ ES3000 DEC

IDE: Two ports on the motherboard, 4 IDE hard drives
Sata:4-6 interface, 4-6-piece hard drive
Scsi:7 15
sas:16384 Block Hard Drive

Linux Learning notes: Linux System Management