[anolis] How to Setup NFS Server on Anolis OS 8.6?

How to Setup NFS Server on Anolis OS 8.6? Hi all. I can successfully setup NFS server on RHEL/CentOS 8, but the same operation is not successful on Anolis OS 8.6. [root@master ~]# rpm -qa|egrep "nfs-utils|rpcbind" rpcbind-1.2.5-8.0.1.an8.x86_64 nfs-utils-2.3.3-51.0.1.an8.x86_64 [root@master ~]# systemctl status nfs-server.service ● nfs-server.service - NFS server and services Loaded: loaded (/usr/lib/systemd/system/nfs-server.service; enabled; vendor preset: disabled) Drop-In: /run/systemd/generator/nfs-server.service.d └─order-with-mounts.conf Active: active (exited) since Thu 2022-11-10 21:38:04 CST; 44min ago Process: 1216 ExecStart=/bin/sh -c if systemctl -q is-active gssproxy; then systemctl reload gssproxy ; fi (code=exited, status=0/SUCCE> Process: 1201 ExecStart=/usr/sbin/rpc.nfsd (code=exited, status=0/SUCCESS) Process: 1191 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=0/SUCCESS) Main PID: 1216 (code=exited, status=0/SUCCESS) Nov 10 21:38:04 master systemd[1]: Starting NFS server and services... Nov 10 21:38:04 master systemd[1]: Started NFS server and services. [root@master ~]# systemctl status nfs-utils.service ● nfs-utils.service - NFS server and client services Loaded: loaded (/usr/lib/systemd/system/nfs-utils.service; static; vendor preset: disabled) Active: active (exited) since Thu 2022-11-10 21:44:56 CST; 38min ago Process: 3494 ExecStart=/bin/true (code=exited, status=0/SUCCESS) Main PID: 3494 (code=exited, status=0/SUCCESS) Nov 10 21:44:56 master systemd[1]: Starting NFS server and client services... Nov 10 21:44:56 master systemd[1]: Started NFS server and client services. [root@master ~]# systemctl status firewalld.service ● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled) Active: inactive (dead) Docs: man:firewalld(1) [root@master ~]# getsebool getsebool: SELinux is disabled [root@master ~]# ifconfig ens224 ens224: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.1.1.1 netmask 255.255.0.0 broadcast 10.1.255.255 inet6 fe80::20c:29ff:febe:108b prefixlen 64 scopeid 0x20<link> ether 00:0c:29:be:10:8b txqueuelen 1000 (Ethernet) RX packets 470 bytes 32638 (31.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 472 bytes 33040 (32.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@master ~]# cat /etc/exports /opt 10.1.0.0/16(rw,insecure,no_root_squash,sync) /home 10.1.0.0/16(rw,insecure,no_root_squash,sync) [root@master ~]# rpcinfo |grep nfs 100003 3 tcp 0.0.0.0.8.1 nfs superuser 100003 4 tcp 0.0.0.0.8.1 nfs superuser 100227 3 tcp 0.0.0.0.8.1 nfs_acl superuser 100003 3 tcp6 ::.8.1 nfs superuser 100003 4 tcp6 ::.8.1 nfs superuser 100227 3 tcp6 ::.8.1 nfs_acl superuser Get the following errors: [root@master ~]# showmount -e master rpc mount export: RPC: Unable to receive; errno = Connection refused Can anyone give me some advice? Best regards, Yong Wu --- Faculty of Chemistry Northeast Normal University Renmin Street No.5268 Changchun, Jilin 130024 P. R. China.