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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
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
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
tag - Ubuntu restarts 3am everyday - Ask Ubuntu I ran the 'last' command and at the bottom of the display it says - wtmp begins Fri July 3 03:00:02 2020 If its a setting in ubuntu how can I turn it off and I don't know why it would restart at the same time every day
18. 04 - History timestemp shows wrong dates - Ask Ubuntu $ date Thu Jan 2 11:57:58 MST 2020 $ last reboot wtmp begins Thu Jan 2 09:48:37 2020 $ uptime 11:58:27 up 1 day, 21:47, 1 user, load average: 3 77, 5 09, 4 39 Ubuntu 18 04 3 LTS (GNU Linux 4 15 0-72-generic x86_64)