Requirements: 1. create a logical volume/dev/myvg/web and/dev/myvg/mydata, and mount it to/www/htdocs and/www/mydata; set the local host (assuming the host name is nfs.a.org) to have two addresses: 172.16.0.0/16 and 10.0.0.0/8; 2. set the owner group of/www to a mysql user and a mysql group. the user ID and group ID of mysql are both 3306. 3. share/requirement through nfs: 1. create a logical volume/dev/myvg/web and/dev/myvg/mydata, and mount it to/www/htdocs and/www/mydata. set the local host (assuming the host name is nfs.a.org) there are two addresses in the network of 172.16.0.0/16 and 10.0.0 . 0/8 network; 2. set the owner group of/www to a mysql user and a mysql group. The mysql User ID and group ID are both 3306; 3. use nfs to share/www/htdocs to 172.16.0.0/16. the sharing options are read/write and asynchronous. 10.0.0 . 0/8. the sharing option is read-only; 4. set nfs auxiliary services to use fixed ports to provide services; 5. start two other Linux instances (for example, www1.a.org and www2.a.org) on the 172.16.0.0/16 network; mount the/www/htdocs and/www/mydata of the nfs server to the/web and/mydata directories of the local machine; 6. install LAMP on both www1 and www2 hosts; Note: 1) the IDs of mysql Users and Groups created on both hosts are 3306; 2) commands for initializing mysql only need to be performed on one host. after initialization, another mysql host starts directly; 7. install and configure wordpress on the www1 host; 8. access the services on the www2 host to verify the authenticity; 9. configure www1 and www2 hosts to use the ssl service; Network topology: This is the configuration
