In linux is a network service ssh, ssh default port is 22, centos installed by default
Prepare two virtual machines: to ensure that the two systems can ping each other
1. Check the ip address ifconfig
Client: 10.10.92.197
Server: 10.10.92.202
2. Test able to communicate with each other
Client ping 10.10.92.202
Server ping 10.10.92.197
3. must turn off the firewall and security model
Check firewall status
systemctl status firewalld
Turn off the firewall
systemctl stop firewalld
Close Safe Mode
setenforce 0
linux out of service
systemctl stop service name
Start Service
systemctl start service name
Restart Service
systemctl restart the service name
View the status of the service
systemctl status service name
4. By ssh link
Use client server link
ssh username @ server server ip address
The first will be prompted link
Whether whitelisted
After a successful link can be determined by looking at the computer on which the current ip address
View Log log
more /var/log/secure
who /var/log/wtmp
Using windows server links
Usually use some software xshell
Run Software
Login using keys:
Client
Server
1. The client generates a secret key
ssh-keygen -t rsa
2. The public key to change the name
authorized_keys
3. After the public will change the name to upload to the server
Upload local files to the server
To upload a file server scp username @ server ip: uploaded to the server path
The client public key directory under .ssh uploaded to the server under the root user
4. Use the private key link service
Through the client server link
ssh -i private address root @ server ip address
