架设一台NFS服务器并按照以下要求配置1、开放/nfs/shared目录供所有用户查询资料2、开放/nfs/upload目录为192.168.xxx.0/24网段主机可以上传目录并将所有用户及所属的组映射为nfs-upload,其UID和GID均为2103、将/home/tom目录仅共享给192.168.xxx.xxx这台主机并只有用户tom可以完全访问该目录1.准备服务端systemctl stop firewalld.servicesetenforce 0rpm -qa | grep rpcbindrpcbind-1.2.6-7.el9.x86_64客户端rpm -qa | grep nfs-utilsnfs-utils-2.5.4-27.el9.x86_64systemctl stop firewalld.servicesetenforce 02.开放/nfs/shared目录供所有用户查询资料服务端systemctl start nfs-servermkdir -p /nfs/sharedtouch /nfs/shared/资料{a..f}ll /nfs/shared/配置nfs文件vim /etc/exports/nfs/shared *(ro)导出配置文件生效exportfs -ra查看共享的目录showmount -e客户端showmount -e 192.168.48.131创建挂载目录mkdir /test挂载mount -o ro 192.168.48.131:/nfs /test查看3、开放/nfs/upload目录为192.168.xxx.0/24网段主机可以上传目录 并将所有用户及所属的组映射为nfs-upload,其UID和GID均为210服务端mkdir /nfs/uploadtouch /nfs/upload/ziliao{1..5}ll /nfs/upload/vim /etc/exportsgroupadd -g 210 nfs-uploaduseradd -u 210 -g 210 nfs-uploadtail -1 /etc/passwdexportfs -ashowmount -eExport list for fuwud:/nfs/shared */nfs/upload 192.168.48.0/24chmod ow /nfs/upload/客户端showmount -e 192.168.48.131mount -o rw 192.168.48.131:/nfs/ /test/mount -o rw 192.168.48.131:/nfs/ /test4、将/home/tom目录仅共享给192.168.xxx.xxx这台主机并只有用户tom可以完全访问该目录服务端vim /etc/exports/nfs/shared *(ro)/nfs/upload 192.168.48.0/24(rw,all_squash,anonuid210,anongid210)/home/tom 192.168.48.131(rw)新建一个共享目录mkdir /nfs/tomuseradd tomchown tom:tom /nfs/tomexportfs -rashowmount -echmod 700 /nfs/tom客户端