and then I digget the machines from themselves

--------------------------------------------------------------------------------------------------------------------------
dig -x 192.168.1.3

; <<>> DiG 9.10.2-P4-RedHat-9.10.2-5.P4.fc22 <<>> -x 192.168.1.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55967
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;3.1.168.192.in-addr.arpa.    IN    PTR

;; AUTHORITY SECTION:
168.192.IN-ADDR.ARPA.    86400    IN    SOA    168.192.IN-ADDR.ARPA. . 0 28800 7200 604800 86400

;; Query time: 14 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: ven ott 23 07:29:39 CEST 2015
;; MSG SIZE rcvd: 108
---------------------------------------------------------------------------------------------------------------------
dig -x 192.168.1.69
;; Warning: Message parser reports malformed message packet.

; <<>> DiG 9.10.2-P4-RedHat-9.10.2-5.P4.fc22 <<>> -x 192.168.1.69
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39386
;; flags: qr aa rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;69.1.168.192.in-addr.arpa.    IN    PTR

;; ANSWER SECTION:
69.1.168.192.in-addr.arpa. 0    IN    PTR    Fujiantonio.homenet.telecomitalia.it.

;; Query time: 628 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: ven ott 23 07:27:47 CEST 2015
;; MSG SIZE rcvd: 93

-------------------------------------------------------------------------------------------------------

digging from laptop to pcdesktop1:

[antonio@Fujiantonio ~]$ dig -x 192.168.1.3

; <<>> DiG 9.10.2-P4-RedHat-9.10.2-5.P4.fc22 <<>> -x 192.168.1.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7666
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;3.1.168.192.in-addr.arpa. IN PTR

;; AUTHORITY SECTION:
168.192.IN-ADDR.ARPA. 86400 IN SOA 168.192.IN-ADDR.ARPA. . 0 28800 7200 604800 86400

;; Query time: 14 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: ven ott 23 07:32:55 CEST 2015
;; MSG SIZE rcvd: 108
------------------------------------------------------------------------------------------------------------------------------

2015-10-23 7:26 GMT+02:00 Antonio M <antonio.montagnani@gmail.com>:

Tnx Tim..

Funny because when I fired up the computers I could use name for resolving remote computer, but only for a while.

1) I pinged the computers itself by same machine (i.e. I pinged A from A):

ping Fujiantonio
PING Fujiantonio.homenet.telecomitalia.it (192.168.1.69) 56(84) bytes of data.
64 bytes from Fujiantonio.homenet.telecomitalia.it (192.168.1.69): icmp_seq=1 ttl=64 time=0.135 ms

and the remote computer ping pcdesktop1
PING pcdesktop1 (192.168.1.3) 56(84) bytes of data.
64 bytes from pcdesktop1 (192.168.1.3): icmp_seq=1 ttl=64 time=0.041 ms

but if I ping from laptop to pcdestop1 (or the reverse) I get:

ping pcdesktop1
ping: unknown host pcdesktop1

ping Fujiantonio
ping: unknown host Fujiantonio

I will follow by dig output

Tnx again

2015-10-23 2:53 GMT+02:00 Tim <ignored_mailbox@yahoo.com.au>:
On Thu, 2015-10-22 at 18:35 +0200, Antonio M wrote:
> no, I don't think that is a problem of DNS, I am surfing fine.

For Samba, and other internal networking, you need to be able to resolve
the names of the local machines.

If you try to use the dig command with a machine hostname, do you get
it's IP? And what about the reverse, if you do a dig -x followed by a
localmachine's IP address, does it get the right hostname as an answer?

Alternatively (if you don't have dig installed), if you try pinging
another local machine's hostname, does that work (do pings work, does it
ping the right IP)? Even if pings don't get answered (due to
firewalls), if it tries to ping the right IP, then resolution ought to
be working fine.

--
tim@localhost ~]$ uname -rsvp

Linux 3.19.8-100.fc20.i686 #1 SMP Tue May 12 17:42:35 UTC 2015 i686

All mail to my mailbox is automatically deleted, there is no point trying
to privately email me, I will only read messages posted to the public lists.

George Orwell's '1984' was supposed to be a warning against tyranny, not
a set of instructions for supposedly democratic governments.

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--
Antonio Montagnani
Skype : amontag52

Linux Fedora 22 (Twenty-two)
inviato da Gmail

Antonio Montagnani
Skype : amontag52

Linux Fedora 22 (Twenty-two)
inviato da Gmail