Troubleshooting YUM Update Errors on a Server

Check YUM Dependencies

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Question

A server administrator is using remote access to update a server.

The administrator notices numerous error messages when using YUM to update the applications on a server.

Which of the following should the administrator check FIRST?

A.

Network connectivity on the server B.

LVM status on the server C.

Disk space in the /var directory D.

YUM dependencies.

D.

Reference: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-yum.

Explanations

A server administrator is using remote access to update a server.

The administrator notices numerous error messages when using YUM to update the applications on a server.

Which of the following should the administrator check FIRST?

A.

Network connectivity on the server

B.

LVM status on the server

C.

Disk space in the /var directory

D.

YUM dependencies.

D.

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-yum

When a server administrator is using remote access to update a server and notices numerous error messages when using YUM to update the applications on a server, the first thing the administrator should check is the YUM dependencies. Option D is the correct answer.

YUM (Yellowdog Updater Modified) is a package management tool used in Red Hat Enterprise Linux (RHEL) to manage software updates. It resolves dependencies, downloads, and installs software packages. When the administrator is trying to update the applications on the server using YUM, the errors could be due to missing dependencies.

Before updating the applications, YUM checks for the required dependencies and downloads them from the configured repositories. If any of the dependencies are missing, YUM will not be able to update the applications. Hence, checking the YUM dependencies is the first step the administrator should take when encountering errors during a YUM update.

The other options, such as network connectivity on the server (Option A), LVM status on the server (Option B), and disk space in the /var directory (Option C), could also cause errors during a YUM update. However, these are secondary checks and should be done only after checking the YUM dependencies.

For instance, if the network connectivity is poor, YUM may not be able to connect to the configured repositories to download the required packages. Similarly, if there is insufficient disk space in the /var directory, YUM may not be able to download and install the packages. If LVM status is incorrect, it could cause errors when updating certain applications. Therefore, these factors could contribute to the issue, but checking the YUM dependencies is the first and foremost step to take.