On 11/17/19 2:48 AM, Patrick O'Callaghan wrote: > This is quite embarrassing, but I'm banging my head against a wall and > hoping other eyes will spot some obvious mistake. > > I have an F31 guest (fedora30) running in QEMU/KVM on an F31 host > (Bree). I want to mount a host directory via NFS in the guest. I set > this up a long time ago and it has worked through several Fedora > releases without issue, but in a fit of spring cleaning I did a fresh > install of F31 rather than my usual update, so of course now it doesn't > work. Clearly I did something right back in the day and have now > forgotten what it was. > > The guest can ping the host and ping the wider Internet, so basic > connectivity works (this is via a NAT-style connection). The host can > ssh into the guest. > > Firewall setup on the host: > [poc@Bree ~]$ firewall-cmd --list-all > home (active) > target: default > icmp-block-inversion: no > interfaces: enp3s0 > sources: > services: dhcp dhcpv6-client dns libvirt mdns mountd nfs nfs3 plex rpc-bind rsyncd samba samba-client ssh > ports: > protocols: > masquerade: no > forward-ports: > source-ports: > icmp-blocks: > rich rules: > > And on the guest: > [poc@fedora30 ~]$ sudo firewall-cmd --list-all > home (active) > target: default > icmp-block-inversion: no > interfaces: enp1s0 > sources: > services: dhcpv6-client mdns samba-client ssh > ports: > protocols: > masquerade: no > forward-ports: > source-ports: > icmp-blocks: > rich rules: > > Guest ip: > [poc@fedora30 ~]$ ip addr > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > valid_lft forever preferred_lft forever > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 > link/ether 52:54:00:ca:07:30 brd ff:ff:ff:ff:ff:ff > inet 192.168.122.156/24 brd 192.168.122.255 scope global dynamic noprefixroute enp1s0 > valid_lft 2893sec preferred_lft 2893sec > inet6 fe80::2e77:5bc1:d19a:6045/64 scope link noprefixroute > valid_lft forever preferred_lft forever > > and routing: > [poc@fedora30 ~]$ ip route > default via 192.168.122.1 dev enp1s0 proto dhcp metric 100 > 192.168.122.0/24 dev enp1s0 proto kernel scope link src 192.168.122.156 metric 100 > > [poc@Bree ~]$ ping fedora30 > PING fedora30 (192.168.122.156) 56(84) bytes of data. > 64 bytes from fedora30 (192.168.122.156): icmp_seq=1 ttl=64 time=20.1 ms > ... > > Exports on the host: > [poc@Bree ~]$ sudo exportfs > /home/Media 192.168.0.0/16 > /home/poc/Shared > vm-* > /home/poc/Shared > fedora* > > But from the guest: > [poc@fedora30 ~]$ showmount -e bree > clnt_create: RPC: Unable to receive > > What am I missing? > Well, I don't currently have a host---guest nfs setup. But I do have a guest---guest setup the server is on an F30 VM while the client is an F31VM. On the server [root@f30k etc]# firewall-cmd --list-all public (active) target: default icmp-block-inversion: no interfaces: enp1s0 sources: services: dhcpv6-client mdns mountd nfs rpc-bind ssh ports: protocols: masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: On the client [root@f31gq ~]# firewall-cmd --list-all FedoraWorkstation (active) target: default icmp-block-inversion: no interfaces: enp1s0 sources: services: dhcpv6-client mdns samba-client ssh ports: protocols: masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: On the server [root@f30k etc]# ip add 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:22:fa:39 brd ff:ff:ff:ff:ff:ff inet 192.168.122.64/24 brd 192.168.122.255 scope global dynamic noprefixroute enp1s0 valid_lft 2707sec preferred_lft 2707sec inet6 fe80::7745:e38f:3a8f:5343/64 scope link noprefixroute valid_lft forever preferred_lft forever On the client [root@f31gq ~]# ip add 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:26:a7:35 brd ff:ff:ff:ff:ff:ff inet 192.168.122.75/24 brd 192.168.122.255 scope global dynamic noprefixroute enp1s0 valid_lft 2649sec preferred_lft 2649sec inet6 fe80::781e:ec29:2d21:7e7d/64 scope link noprefixroute valid_lft forever preferred_lft forever On the server [root@f30k etc]# exportfs /mnt 192.168.0.0/16 On the client [root@f31gq ~]# showmount -e 192.168.122.64 Export list for 192.168.122.64: /mnt 192.168.0.0/16 And, of course [root@f31gq ~]# mount -t nfs4 192.168.122.64:/mnt /mnt [root@f31gq ~]# ls /mnt [root@f31gq ~]# touch /mnt/x [root@f31gq ~]# ls /mnt x [root@f31gq ~]# umount /mnt [root@f31gq ~]# ls /mnt [root@f31gq ~]# _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
