[SOLVED] Grapping local ip using mac

P.G.Krish · 11-25-2016, 01:00 AM

I gather all my local ip using arp-scan , Then filter particular system ip by mac address, And connect automatically to that particular system using ssh. I tried the following commands through piping

Quote:

sudo arp-scan --localnet|grep 10|cut -c1-12|xargs ssh myuser@

Here 1c in grep is the mac address starting letter of my system.

Its return the following error

Quote:

ssh: Could not resolve hostname : Name or service not known

xargs: ssh: exited with status 255; aborting

ferrari · 11-25-2016, 02:33 AM

I'm assuming that the following yields one IP address

Code:

sudo arp-scan --localnet|grep 10|cut -c1-12

This should work for you

Code:

sudo arp-scan --localnet|grep 10|cut -c1-12|xargs -L 1 -I host ssh user@host

More info about using xargs

Code:

man xargs

Similar asked here...
http://unix.stackexchange.com/questi...-multi-command

ferrari · 11-25-2016, 02:40 AM

BTW, I noticed that you mentioned

Quote:

Here 1c in grep is the mac address starting letter of my system.

but your command was

Code:

sudo arp-scan --localnet|grep 10...

P.G.Krish · 11-25-2016, 04:12 AM

Quote:

Originally Posted by ferrari

BTW, I noticed that you mentioned

but your command was

Code:

sudo arp-scan --localnet|grep 10...

Hey ,
Thanks for info, But even i tried with this , I got the same error

P.G.Krish · 11-25-2016, 04:15 AM

Quote:

Originally Posted by ferrari

I'm assuming that the following yields one IP address

Code:

sudo arp-scan --localnet|grep 10|cut -c1-12

This should work for you

Code:

sudo arp-scan --localnet|grep 10|cut -c1-12|xargs -L 1 -I host ssh user@host

More info about using xargs

Code:

man xargs

Similar asked here...
http://unix.stackexchange.com/questi...-multi-command

Code:

sudo arp-scan --localnet|grep 10|cut -c1-12|xargs -L 1 -I host ssh 

user@host

Why did you add host here?

ferrari · 11-25-2016, 05:28 AM

It is used as a variablle

P.G.Krish · 11-25-2016, 06:33 AM

Quote:

Originally Posted by ferrari

It is used as a variablle

Hai ferrari,
Its just a show a welcome message instead opening a shell

Quote:

Pseudo-terminal will not be allocated because stdin is not a terminal.
Welcome to Ubuntu 15.10 (GNU/Linux 4.2.0-16-generic x86_64)

* Documentation: https://help.ubuntu.com/

Your Ubuntu release is not supported anymore.
For upgrade information, please visit:
http://www.ubuntu.com/releaseendoflife

New release '16.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it

I want a interactive shell

BW-userx · 11-25-2016, 07:12 AM

be sure to have your hostname you want to use with its respective ip in your hosts file, as well. It looks to that to resolve addresses and hostnames. (i think first, then goes to the DSN server, if I remember correctly)

chrism01 · 11-27-2016, 10:30 PM

@BW-userx: the order is set in /etc/nsswitch.conf ; as you say, normally 'files' first (for some value of 'normal

)
My laptop has:

Code:

#hosts:     db files nisplus nis dns
hosts:      files dns