1. Configure the NTP time server to ensure that the client host can synchronize time with the service host
Experimental steps:
(1) Server and client download chrony program
Command: yum install chrony -y
(2) Modify the parameters of /etc/chrony.conf
because /etc/chrony.conf
Parameters that need to be modified in chrony server
Parameters that need to be modified on the client node
(3) Restart the chronyd program
Command: systemctl restart chronyd
(4) Verify configuration
2. Configure ssh password-free login to enable the client host to conduct remote connections based on public key verification through the redhat account on the server side.
Experimental process:
(1) Create redhat user
(2) Enter node and redhat to create a secret key
(3) Send the node’s secret key to the server redhat user
(4) Verify password-free login
