Common issues in IDC computer room and Centos8 installation
One, choose the way of IDC computer room
-
To select an IDC computer room, you need to perform the following operations:
1 ) Purchase a physical host
2 ) Server hosting
3 ) Install system
4 ) Factors in choosing IDC computer room
Location
The stability of IDC computer room includes the following items:
Operator (Telecom, China Mobile, China Unicom)
Intermediate service provider (maintaining network, server, and other hardware equipment, inspection (hard disk indicator))
The hardware strength of the computer room itself (how many years of establishment, air conditioning, UPS)
The cost includes the following items:
Cabinet cost -
If you choose a cloud host, the above operations are not required
Two, server selection
Tower server (not recommended), blade server
Brand: DELL, HP, Lenovo
Model: R630 (1U), R730 (2U)
Configuration: customizable
Hard Disk: 2.5 inches, 3.5 inch 15000r/m SSD hard disk
Three, put the server
- Precautions for listing:
1 ) Switch (VLAN, external network, internal network)
2 )server
3 )cable
4 ) Place a work order in advance (tell the operator when to go, what to do, how many people to come, personnel list, personnel ID number)
5 ) I will give it to you when I bring my ID card and go
6 ) The network cable is tied
7 ) Server labeling (IP address)
Fourth, install the system
At present, CentOS8 mirrors have complete DVD mirrors, which are more than 7G in size, and boot mirrors, which are only 500M in size. However, if it is an ISO image of boot minimal boot, you need to install the software package through the BaseOS and AppStream repositories
Centos8 mirror source address:
http://mirrors.163.com/centos/8.2.2004/isos/x86_64/CentOS-8.2.2004-x86_64-boot.iso
、
After setting up the network, you need to add the installation source: http://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/
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