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- How to read older login info using the last command?
The last command may show too few lines of user login info, truncated by when the “wtmp begins” If I want to get as much as possible last info (e g , to see if my system was accessed from any unknown suspicious IP using my username), how can I output the older “last” info?
- command line - How to properly display the contents of the utmp,wtmp . . .
The file var log wtmp provides an historical record of utmp data You can use the last command to read each of the files For example: sudo last var log btmp` (note: this command needs to be run using sudo) johndoe@computer:~$ last -f var run utmp johndoe tty7 Fri Jul 26 17:58 still logged in
- How to find out if computer was shut down at a given time?
Simply give the following command in the terminal: last -1x shutdown Last Shutdown will be displayed: shutdown system down 3 19 0-65-generi Fri Oct 21 04:37 - 15:02 (10:24) wtmp begins Sat Oct 1 21:53:26 2016 Update: As Rizwind said and answered that, to show when it was last booted and shutdown to prove running at a given time, the following command will show the both: last -x | less
- Last Reboot commands dont agree - Ask Ubuntu
They are all correct uptime shows that the system has been up for 90 days and some hours who -b says the system was booted 2018-11-22 21:05 90 days and some hours ago last reboot says that the wtmp log file was rolled over or trunctaded at Sat Feb 2 01:59:42 2019, so it don't contain a reboot record
- Log user activity for the last 24 hours by terminal - Ask Ubuntu
How can I log the activity of users for the last 24 hours by terminal in a system? Which command will give me this information?
- Bash command to determine first login for a particular time period
Is there a way to determine for example that the current day is the first login for this month? I'm trying to use it in my script I am familiar with last but it does not seem to be the command for
- boot - Understanding the output of last reboot - Ask Ubuntu
wtmp begins Mon Aug 1 15:08:37 2016 It is not clear to me how several reboots could be "still running" at the same time At first, I thought that this was a kernel thing -- all reboots from the same (latest) kernel are all marked as "still running", but that is clearly not the case
- security - How do I find user login history? - Ask Ubuntu
wtmp 1 begins Fri Mar 1 18:23:28 2019 Security is hardened such that normal users can't write or delete the file: $ ll var log wtmp 1 -rw-rw-r-- 1 root utmp 107520 Mar 31 16:53 var log wtmp 1 Console only logins The console uses the login command which records data to var log lastlog: $ ll var log lastlog
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