Linux why server rebooted

This approach is great because it allows for complete control. Here's an example of how to do it. Example output:. Note: If you're trying to diagnose a potential crash right now, this will not help unless you have previously configured systemd to persist the journal to disk. Optionally use journalctl --list-boots to get a list of boots in ascending chronological order 0 refers to current runtime logs since the system was booted; -1 covers logs from the previous boot; -2 the boot before that, etc Example:.

Use journalctl -b -1 -n to look at the last 10 lines of the previous boot The following example output shows that the previous system reboot was graceful. Note from the author: In my experiences troubleshooting RHEL 7 problems for customers in Red Hat support in the years leading up to when I wrote this article , this was somewhat less reliable than the other methods. When bad things happen, it was definitely possible for the indexing in journald to get so bad that the journalctl -b -1 command only gives an error.

Option 3 in this article is a nice, clean way to check for a graceful shutdown. Could someone expand it to show how other systemd services can be made dependent on a clean shutdown? Also, make sure you type the single-quote marks.

The ssh command tells your system to connect to another machine. The —t option forces the remote system to enter the command in a terminal. Replace user server. The sudo reboot command can be switched out for sudo shutdown and the above options above can be used. In this tutorial, you have learned how to restart a Linux server from the command prompt.

Just make sure you have saved all your work before restarting. Was this article helpful? Sofija Simic. Alongside her educational background in teaching and writing, she has had a lifelong passion for information technology.

Production unexpectedly server rebooted. I am trying to figure out what might causing Production server unexpectedly reboot during last few months.. Is auto reboot is set , I can check it is not set during the kernel panic but are they any other parameters which I am missing.

How to check when a solaris server got rebooted. In Windows we can check the event viewer for entries ,, to confirm the system down times, as in when it got down and when it came back up. I am an absolute newbie. Hi, I want to know how to find out which user has rebooted the server? I have used last command but it is not giving username though it is showing below output reboot date Regards, Manoj 5 Replies.

How can we know that the server was rebooted by which user in hp unix. Hi , Plz some one can help me How can we know that the server was rebooted by which user in hp unix and linux.

Regards Venkata Jeevan 1 Reply. Hi, how can i know who has rebooted the server? RedHat Commands. OpenSolaris Commands. Linux Commands. SunOS Commands. FreeBSD Commands.