How to Check Linux Server Uptime and Last Reboot

 Introduction

As a DBA or system administrator, it is important to know how long your Linux server has been running and when it was last rebooted. This helps in diagnosing issues and planning maintenance.

1. Check Uptime

Run the command:

uptime

👉 This shows how long the system has been running, number of users, and load averages.

2. Check Last Reboot

Run:

who -b

👉 This displays the date and time of the last system boot.

3. View Reboot History

Run:

last reboot | head -5

👉 This lists the last 5 reboot events.

Conclusion

By using simple Linux commands like uptime, who -b, and last reboot, you can quickly check the stability of your server. These commands are must-know for every Linux and Oracle DBA.