Updating a Linux Server: A Step-by-Step Guide

Updating a Linux Server: A Step-by-Step Guide


Regularly updating your Linux server is crucial for maintaining its security and stability. This step-by-step guide will show you how to properly update your Linux server.


  1. Connect to your Linux server: Connect to your Linux server using Putty or your preferred SSH tool.

  2. Execute the update command: Use the following command to update system packages and repository information:

sudo yum update
  1. Confirm the update: Once the scan is complete, the system will prompt you to confirm the updates. To confirm, press y and hit Enter.

  2. Verify update completion: Upon successful completion of the update process, you will see the message Complete.

  3. Reboot the server: To apply some updates, such as kernel updates, you need to restart the server. Use the following command to reboot the server:

sudo reboot

Important Notes:

  • Clear Yum cache: If you encounter errors during the update process, clear the Yum cache using the following command:
sudo yum clean all
  • Regular updates: For maintaining server security and stability, install updates regularly as they are released.

  • Backup: Before performing any critical updates, back up your server to be able to restore it to a previous state in case of any issues.


By following these simple steps, you can easily update your Linux server and prevent security vulnerabilities and system instability.

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