Build a learning environment

download VMware、CentOS

• Vmware Download address 、 Key Baidu , The latest version of the official website is enough .（ Must be able to , No link ）
• CentOS Download address , Also Baidu , There is always a fast mirror in China , Recommended download 7 series （ You can also download it directly RedHat, Individuals can apply for free , Tutorial Baidu ）

To configure VM virtual network

The network needs to be modified after installation （ Do not change OK）

1. Uncheck the DHCP service
   image.png
2. Modify subnet IP、 Gateway, etc.
   image.png

notes ： gateway IP It's commonly used .1 or 254, however .1 Has been virtual network card vmnet8 Use , Other also OK

install CentOS

Choose Custom installation , Use the downloaded CentOS Mirror image , Installation tutorial self Baidu . Too skilled to write , Installation can be minimized

notes ：

1、CentOS The installation default network card name should be ens33 Start , It is suggested to amend it to eth0 Start （ No change will have no effect ）, First installed on display install Those three options , Press down Tab key , Leave a space to enter biosdevname=0 net.ifnames=0. Then knock back .

2、 When installed, it can be configured as fixed IP, Convenient remote tool connection , No configuration

Install remote tools

ssh Remote tools , Choose... For yourself ,xshell This kind of pile , Baidu , Input IP port 、 user name 、 password

Unable to troubleshoot remotely ：

1. ping Whether the virtual machine ping through ,ping Most of them should be win11 situation ,win11 Network adapter view vmnet8 Whether to display unrecognized network （ Don't believe those posts that can be recognized by modifying the registry , You can't even try , The last two solutions , reinstall win10、 Use win11 Internal Preview ,win11 Of 21H2 Like and VM Not very compatible , It may be a patch problem ）
2. see Linux Of ssh Whether the service is on , Whether the firewall allows 22 port （ have access to telnet command ）
3. Simple and crude ： Remove reinstall , Generally, operations such as deleting and restarting can be solved 70% The problem of

thus , The basic environment is set up and installed , Leave a message if you have any questions , Learning together