Questions tagged [last-command]

11 questions
3
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0 answers

Why the command "last reboot" returns several items including "still running"

and the time is not my system time? For example reboot system boot 4.2.0-16-generic Mon Nov 9 20:48 still running reboot system boot 4.2.0-16-generic Mon Nov 9 20:45 still running reboot system boot 4.2.0-16-generic Mon Nov 9 20:41 …
tmpbin
  • 203
2
votes
2 answers

`last reboot` is missing one hour

I want know the boot and shutdown date of my laptop on last friday: ===> last reboot reboot system boot 4.4.0-47-generic Mon Nov 28 09:39 still running reboot system boot 4.4.0-45-generic Fri Nov 25 09:40 - 15:55 (06:14) According to this…
guettli
  • 1,765
2
votes
1 answer

Why is printf command in shell script giving errors

I have a script that sends me some info about different machines, and it's working fine in Fedora machines, but Ubuntu 20.04 gives me error for only one printf. I can't seem to see what am I doing wrong. So the statement is: #printf "Last logins…
DenisZ
  • 223
1
vote
1 answer

Why is `last` showing so many logins in one second? Did I got hacked?

When I ran last into the terminal, I found this: roundduc pts/0 :0 Sun Nov 15 16:47 still logged in roundduc :0 :0 Sun Nov 15 16:46 still logged in reboot system boot 3.19.0-33-generi Sun…
1
vote
0 answers

Can be the `last` command disabled?

I don't want to make the log of logins accessible. How do I disable/cancel logging data available through the last command?
1
vote
1 answer

Preseed late_command

I am trying to add a late_command to my preseed file but I always get errors. This is the command I am trying to use: in-target curl -L -o /home/$username/postinstall.sh…
0
votes
2 answers

How to parse/filter "last" command for displaying logins of a specific date in Ubuntu 14.04?

I want to parse login activity of olny current current date. Last command provides me with multiple rows and columns. How do i filter it or even parse it in Python? Any help will be appreciated.
0
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0 answers

How to read this time output?

Why is there a 1+ in Wed Dec 9 19:34 - 20:50 (1+01:15)? I find two such entries when I look at the output of last reboot: ... reboot system boot 4.2.5-1-ARCH Fri Dec 11 10:31 - 10:32 (00:01) reboot system boot 4.2.5-1-ARCH Thu Dec 10…
daltonfury42
  • 5,559
0
votes
1 answer

How to use last to see how many times users logged in?

I need to see how many times users logged in. I used last | sort | uniq -c but it gave me bad data I need to sort them by number of times they logged in and only show username and number of time. for example: username number of logins userb …
Usermaxn
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Does Ubuntu automatically boot when near a source of internet (router, phone data)

Looking at the "last" command, I see that my laptop booted up a few times in the past couple months, one time for six hours. It was sitting in an empty place, and I noticed that every time listed where it booted up, were times where I visited the…
-1
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1 answer

Command or script to get user login details of last 6 months

I need to get the details of the users logged in from last 6 months to analyze and to increase the cpu of my server. I'm tried the command last -a but it is not giving the complete results. Anyone please help me to get the details of users logged in…
Harsha
  • 329