Re: IFCONFIG

[Angelo Moreschini <mrangelo.fedora@xxxxxxxxx>]

OK,

 I understand ..

I didn't remember that I have also a wireless connection

Thank you to all

Angelo

On Sat, Aug 20, 2016 at 1:54 PM, François Patte <francois.patte@xxxxxxxxxxxxxxxxxxxx> wrote:

Le 20/08/2016 12:09, Angelo Moreschini a écrit :
> Hi,
>
> in order to use the ssh services, I looked for the internet address of
> my computer, and the ifconfig command gave the following output that I
> have difficulty 'to interpret :
>
> -----------
>
> [angelo_dev@localhost ~]$ sudo ifconfig
>
> enp4s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
>
> ether 60:02:92:2d:2a:1f txqueuelen 1000 (Ethernet)
>
> RX packets 0 bytes 0 (0.0 B)
>
> RX errors 0 dropped 0 overruns 0 frame 0
>
> TX packets 0 bytes 0 (0.0 B)
>
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
>
> lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
>
> inet 127.0.0.1 netmask 255.0.0.0
>
> inet6 ::1 prefixlen 128 scopeid 0x10<host>
>
> loop txqueuelen 0 (Local Loopback)
>
> RX packets 279 bytes 28310 (27.6 KiB)
>
> RX errors 0 dropped 0 overruns 0 frame 0
>
> TX packets 279 bytes 28310 (27.6 KiB)
>
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
>
> wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>
> inet 10.0.0.4 netmask 255.255.255.0 broadcast 10.0.0.255
>
> inet6 fe80::d253:49ff:fe32:3254 prefixlen 64 scopeid 0x20<link>
>
> ether d0:53:49:32:32:54 txqueuelen 1000 (Ethernet)
>
> RX packets 6575 bytes 4915408 (4.6 MiB)
>
> RX errors 0 dropped 0 overruns 0 frame 0
>
> TX packets 5595 bytes 972283 (949.4 KiB)
>
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> -----------
>

> The output of ifconfig command shows two cards(enp4s0, wlp3s0) while on
> the computer, it is installed only one
> .
> What is 'the explanation of this fact?
>
> Also I would like to be sure to exactly getthe IP address of computer ..
> so, please, I would ask what isthe IP address to use for my
> purpose (127.0.0.1 - 10.0.0.4 -10.0.0.255) ??

Your computer uses the wireless interface (wlp3s0) with IP number
10.0.0.4 on the local network.

So, if you want to ssh from another computer *on the same network*
(10.0.0.*) you have to: ssh user@10.0.0.4


--
François Patte
UFR de mathématiques et informatique
Laboratoire CNRS MAP5, UMR 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)1 8394 5849
http://www.math-info.univ-paris5.fr/~patte


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