1. Purchase, build and manage Linux CentOS server (full process with pictures and text)

1. Alibaba Cloud purchasing server

1. Alibaba Cloud server

• The server is in Alibaba Cloud purchase demo, find the cloud server ECS

• ##Click to buy now

2. Server configuration

• Payment method: Annual and monthly subscription

• Region and availability zone: Choose a region that is close to your customers. It doesn’t matter what zone you choose, but if multiple servers are in one zone, you can connect to the intranet and the speed will be much faster. If there are master and slave servers, choose the same zone.

• Example specifications: For the test machine you use, just buy the cheapest one. If it is used by a company, you still need to understand concurrency and stress test the server. However, cloud servers are flexible and can be upgraded at any time, so there is no need to worry too much.

## Mirror: It is the server system, commonly used: CentOS, Ubuntu, Windows Server
Storage: It is a hard disk. For Linux systems, 40G is enough. If it is not enough, you can add a hard disk to mount it. For Windows systems, it will be better to choose 60G.
Purchase time: This is based on your choice needs.

Network: You need to create a new private network. If you don’t understand, you can watch [video](https://help .aliyun.com/document_detail/34217.html)
Public network IP: Broadband speed, personal test server 1M is enough. The official website is generally 5M, and the mall or the concurrency is more than 10M. You can also temporarily increase the bandwidth according to time
Security group: You need to create a new security group, which is the port.
Elastic network card: The default is fine
IPv6: This is rarely used, you can activate IPv6 on the private network

Login credentials: System login method.
Login password: Set the system password.
Instance name: This is very useful. It is used when contacting after-sales when there is a problem with the server.
Description: Notes for your own reading.
Host name: The name of this server.
Advanced options: Can be assigned to sub-accounts, not required for personal servers.

Label: Give the server a label.
Resource group: No setting required, [click to learn more](https://help.aliyun.com/document_detail/94381.html)
Deployment set: No setting required, [click to learn](https://help.aliyun.com/document_detail/91258.html)

3. Payment purchase

4. Purchase successful

##2. Set up a security group

---

1. Add a security group

Network and Security-》Security Group List

##No security Group, you need to create a security group first

2. Select the security group

when purchasing

3. Modify the security group

• Server list-》More-》Network and Security Group-》Security group configuration (can also be in the security group list Modify the configuration)

• ##Port list in the security group

• The purpose is the port, you can add multiple ports at one time

• Ports 80 or more Text transfer protocol is http web page

• port 443 Hypertext transfer protocol is https web page

• port 22 ssh port, client computer connection Server port

• Port 3389 Remote desktop service port, Windows Server uses

• port 3306 mysql database default port

• Source: Authorized computer, IP address. 0.0.0.0/0 means that all computers can access this port

---

##3. Other functions

1. Upgrade configuration

Server list-"Upgrade and downgrade configuration-"Upgrade configuration, you can also upgrade bandwidth

2. Upgrade bandwidth

Server list-》Upgrade and downgrade-》 Temporary bandwidth upgrade, set the time end upgrade

##3. Reset the hard disk

Server list-》More-》Cloud disk and mirror-》Reinitialize cloud disk (must be backed up)

4. Replace the system

##4. ssh tool

---

1. Web page remote connection server

If you don’t have ssh software, you can use the Alibaba Cloud web page version of ssh, the mobile app also has ssh

# 2. Xshell software

Linux is generally used as a server, and the server is usually placed in the computer room. You cannot operate your Linux server in the computer room. In this case, we need to log in remotely. Go to the Linux server to manage and maintain the system

• Linux remote management servers are mostly based on the SSH protocol. The default ssh service port number is 22

• for Windows systems There are many Linux remote login clients, recommended: [Xshell]

• ##Open the software and connect remotely linux server

# [Special topic: Building and using Linux CentOS server PHP operating environment]

1.

linux CentOS server online

2.

linux CentOS Pagoda panel

3.

linux CentOS Pagoda panel uses svn

4.

External network access database

5.

Pagoda panel FTP

Recommended learning:

php training

The above is the detailed content of 1. Purchase, build and manage Linux CentOS server (full process with pictures and text). For more information, please follow other related articles on the PHP Chinese website!