How to Check Shutdown and Reboot Date in Linux

Last Boot. First, if you want to check when your computer last booted up, you can use the who command with the -b flag to get an exact date and time in your terminal. ...
Reboots. With the last command you can list every time your system has rebooted. ...
Last Reboot. ...
Shutdowns. ...
Last Shutdown. ...
Uptime.

How do you check when was Linux last rebooted?
How can you tell the last time you rebooted?
How do I find out what caused a reboot in Linux?
How long the system has been running Linux?
How can you find out how long the system has been running?
What is system boot time?
What is the command to check server uptime?
How do I find out why my server is shut down?
How do I check shutdown logs?
What are the 6 runlevels in Linux?
How do I check if a Linux server is running?
How do I check if a Linux server is down?
How can I tell if my server is running?

How do you check when was Linux last rebooted?

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. ...
Who command. Use the 'who -b' command which displays the last system reboot date and time. ...
Use the perl code snippet.

How can you tell the last time you rebooted?

Follow these steps to check the last reboot via the Command Prompt:

Open Command Prompt as an administrator.
In the command line, copy-paste the following command and press Enter: systeminfo | find /i “Boot Time”
You should see the last time your PC was rebooted.

How do I find out what caused a reboot in Linux?

You can further correlate the reboot you want to diagnose with system messages. For CentOS/RHEL systems, you'll find the logs at /var/log/messages while for Ubuntu/Debian systems, its logged at /var/log/syslog . You can simply use the tail command or your favorite text editor to filter out or find specific data.

How long the system has been running Linux?

First, open the terminal window and then type: uptime command – Tell how long the Linux system has been running. w command – Show who is logged on and what they are doing including the uptime of a Linux box. top command – Display Linux server processes and display system Uptime in Linux too.

How can you find out how long the system has been running?

To find out, right-click the Taskbar and select Task Manager. When it comes up, select the performance tab. At the bottom of the screen, you will see the amount of uptime. In the example below, mine has been running for over six days and counting.

What is system boot time?

The time it takes for a device to be ready to operate after the power has been turned on. See boot.

What is the command to check server uptime?

How to Check Windows Server Uptime

Task Manager. Probably the simplest way to manually check Windows server uptime is to open Task Manager, available on your Windows taskbar. ...
Systeminfo Command. ...
Net Stats Command.

How do I find out why my server is shut down?

Press the Windows + R keys to open the Run dialog, type eventvwr. msc, and press Enter. In the left pane of Event Viewer, double click/tap on Windows Logs to expand it, click on System to select it, then right click on System, and click/tap on Filter Current Log.

How do I check shutdown logs?

How to Find the Shutdown Log in Windows 10

Press the Win + R keys together on the keyboard to open the Run dialog, type eventvwr. ...
In Event Viewer, select Windows Logs -> System on the left.
On the right, click on the link Filter Current Log.
In the next dialog, type the line 1074, 6006, 6008 into the text box under Includes/Excludes Event IDs.

What are the 6 runlevels in Linux?

The following runlevels are defined by default under Red Hat Enterprise Linux:

0 — Halt.
1 — Single-user text mode.
2 — Not used (user-definable)
3 — Full multi-user text mode.
4 — Not used (user-definable)
5 — Full multi-user graphical mode (with an X-based login screen)
6 — Reboot.

How do I check if a Linux server is running?

Check running process in Linux

Open the terminal window on Linux.
For remote Linux server use the ssh command for log in purpose.
Type the ps aux command to see all running process in Linux.
Alternatively, you can issue the top command or htop command to view running process in Linux.

How do I check if a Linux server is down?

How to check if a server is up and running?

iostat: Monitor the storage subsystem functioning like the disk utilization, Read/Write rate, etc.
meminfo: Memory information.
free: Memory overview.
mpstat: CPU activity.
netstat: A variety of network-related information.
nmon: Performance information (subsystems)
pmap: Amount of memory used by the server processors.

How can I tell if my server is running?

Use the following steps to check server uptime by using the systeminfo command:

Connect to your cloud server on the command line.
Type systeminfo and press Enter.
Look for the line that starts with Statistics since , which indicates the date and time when the uptime started.