How to View Linux System Reboot Date and Time
Last command Use the ‘last reboot’ command, which will display all the previous reboot date and time for the system. This picks the information from the /var/log/wtmp file. Who command Use the ‘who -b’ command which displays the last system reboot date and time. $ who -b system boot 2011-05-14 20:38
Use the perl code snippet.
How to check why linux server rebooted?
Get the boot time. You can get it by couple of ways, as you can type “uptime” commands and count back for how long it type “last” command and see who were the uses logged in at the time when system had been rebooted. See these users shell history files in ~username /.
This of course begs the question “How to check when a server was last rebooted?”
I discovered That is the main log file you should check for messages related to this. Additionally either /var/log/syslog (Ubuntu) or /var/log/secure (Cent. OS) To find out when your server was last rebooted just type uptime to see how long it has been up.
How to know when the system was rebooted last in Linux?
You may also need to know when the system was rebooted last. Mostly Linux/Unix systems provide the last command, which provides us the history of last logins and system reboots. These entries are keeps in the lastlog file. Run the last reboot command from the terminal, and you will get the details of the last reboots.
How to find the last reboot date in Linux/Unix systems?
Linux/Unix systems keep the details of the previous reboot. You may also need to know when the system was rebooted last. Mostly Linux/Unix systems provide the last command, which provides us the history of last logins and system reboots. These entries are keeps in the lastlog file.
The last command searches back through the file /var/log/wtmp and displays a list of all users logged in (and out) since that file was created. The pseudo user reboot logs in each time the system is rebooted. Thus last reboot command will show a log of all reboots since the log file was created. Finding systems last shutdown date and time.
How do I check if a system has shutdown or rebooted?
Use the below command to check the last two entries from audit logs. $ sudo ausearch -i -m system_boot, system_shutdown | tail -4 This will report the two most recent shutdowns or reboots. If this reports a SYSTEM_SHUTDOWN followed by a SYSTEM_BOOT, everything should be good.
How do I view system reboot and shutdown date and time?
Use the last command to display system reboot and shutdown date and time, run: The last command searches back through the file /var/log/wtmp and displays a list of all users logged in (and out) since that file was created. The pseudo user reboot logs in each time the system is rebooted.
How to view all reboot logs in pseudo user?
The pseudo user reboot logs in each time the system is rebooted. Thus last reboot command will show a log of all reboots since the log file was created. -x: Display the system shutdown entries and run level changes.