Why do you receive error message "Failed to prepare repositories"?

Info:

This article applies to all Sandbox versions

Issue: While installing the Sandbox, the installer fails at the “prepare repositories” step with:

...... grub2-tools-extra.x86_64 1:2.06-90.el9 grub2-tools-efi.x86_64 1:2.06-90.el9 libldb.x86_64 2.4.1-1.el9 libldb.x86_64 2.6.1-1.el9 [FAIL] Failed to prepare repositories. Exiting

Even though the system has internet access and the repos are functional.

Cause

The script install.sh uses dnf check-update to verify repositories. However, this command returns:

0: No updates available (success)
100: Updates available (still success)
>1: Real error

The script only treats 0 as success, so it fails when updates are available (100).

Solution

Ensure that you have followed these steps before running the installer:

Step 1: Install EPEL (if needed)

sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm -y

Step 2: (Optional) Create sandbox user

sudo useradd --create-home sandbox sudo passwd -l sandbox

Step 3: Install tools like 7zip

sudo dnf update -y sudo dnf install p7zip -y

(Optional) Fix the script logic to allow both 0 and 100:

dnf check-update ${DNF_OPTIONS} result=$? if [ "$result" -eq 0 ] || [ "$result" -eq 100 ]; then success "Successfully prepared repositories" else fatal "Failed to prepare repositories." fi

Result:

Support:

If you require further assistance, please follow these instructions on How to Create Support Package?, before creating a support case or chatting with our support engineer.

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