How to know what user belongs to what ip on debian

Question

is there a way to get an overview of users logged in on my server and the ip they are connecting from ?

I have the IP already, I want the user that is associated with it :)

score 34 · Accepted Answer · answered Aug 17 '11 at 12:54

34

w

answered Aug 17 '11 at 12:54

jscott

wow, as simple as one letter – Lucas Kauffman Aug 17 '11 at 12:57
18

+1 for the smallest, valid answer ever. – SmallClanger Aug 17 '11 at 12:57
1

@SmallClanger - smallest ever, and smallest possible :) – Nixphoe Aug 17 '11 at 13:16
I tried, but it wouldn't let me put less than 30 characters in. – EightBitTony Aug 17 '11 at 13:18
7

I think @jscott used a sly comment to pad his answer out. – SmallClanger Aug 17 '11 at 13:24
1

I would like to flag this answer as 'awesome' – mfinni Aug 22 '11 at 20:55

score 11 · Answer 2 · answered Aug 17 '11 at 12:40

11

Use the who command. It lists everyone logged in, their terminal and their source hostname/ip address.

answered Aug 17 '11 at 12:40

EightBitTony

score 2 · Answer 3 · answered Aug 18 '11 at 22:04

2

in addition to w and who, last - recent logins with ips lastlog - list of all users with the last ip they were logged in from

answered Aug 18 '11 at 22:04

wolfric

score 2 · Answer 4 · answered Aug 22 '11 at 20:04

2

In addition to w¹ and who², you may also look at finger³.

answered Aug 22 '11 at 20:04

warren

4 Answers4