Questions tagged [last]

last is a command that shows a listing of the last logged in users.

89 questions
5
votes
1 answer

What is the purpose of the 10th column of the `last` command's output?

I see a suspicious pattern in a last command output on RHEL: $ last reboot reboot system boot 3.10.0-514.21.1. Wed Dec 13 10:25 - 11:53 (01:28) reboot system boot 3.10.0-514.21.1. Mon Oct 30 16:23 - 11:53 (43+20:30) reboot system boot…
4
votes
1 answer

Where does 'last' store user hostnames?

I was looking into: 'last -d' command. -d: For non-local logins, Linux stores not only the host name of the remote host but its IP number as well. This option translates the IP number back into a hostname. At first, I was looking at similar…
3
votes
1 answer

Difference between last and lastlog?

last | grep IPADDRESS doesn't shows any line, but: lastlog | grep IPADDRESS does. Why?
3
votes
0 answers

getting last logins since $time

I want to get last logins from a certain date using last Running last -f /var/log/btmp -t 20140723123000 Always shows my whole lastb log. This: last -t 20140723123000 Shows my whole last log. eg: bob pts/1 172.16.14.37 Thu Feb 27…
Kiksy
  • 253
2
votes
1 answer

'last -d' is REALLY slow

I can run the command last (and last -i) in a fraction of a second, but when I run last -d, according to my tests, it takes a whopping 5 minutes and 22 seconds. Just for reference, this is what adding the -d flag does: -d For non-local…
IQAndreas
  • 10,345
2
votes
2 answers

Linux Last command weird output? Garbage for IP address

This was a weird output I came across. Running the "last" command gave me this output gryphon pts/0 192.168.0.108 Wed Mar 19 21:04 still logged in gryphon pts/0 s0106d850e695678 Wed Mar 19 13:53 - 13:54 (00:01) gryphon pts/0 …
Cody
  • 245
1
vote
0 answers

Command ‘last’ - problems

I have this problem using the command ‘last’. My task is to find names of people, that have been logged in at night hours (22:00 - 5:00). So I’ve tried to save the first number (22) to a variable and wanted to compare, but it doesn’t work at…
0
votes
1 answer

What causes multiple simultaneous shut down times in 'last' command output?

I am troubleshooting some outage issues on a server, with the suspicion that the server is restarting intermittently. When I run the last command, I see the following output (I added line numbers for clarity): 01. root@nina-xms-dev:/home/nina#…
0
votes
1 answer

running "last" printed suspicious output

I invoked last from bash on my personal computer and I have this output user pts/2 :0 Wed Jul 27 09:15 still logged in user pts/1 :0 Wed Jul 27 09:13 still logged in user pts/0 …
quester
  • 273