The system cannot check the kernel status: “/usr/bin/yum” reported error code “1” when it ended

Issue

The following errors occur:

The system cannot check the kernel status: 
"/usr/bin/yum" reported error code “1” when it ended: 
Error: Cannot open file "/var/cache/dnf/cloudlinux-x86_64-server-8-ec8365a17697c700/repodata/fc83645d800ccd374b605e376d74317b0286f67263b266eacf538ae954593f46-modules.yaml.gz": 
No such file or directory "/usr/bin/yum" reported error code "1" when it ended: 
Error: Cannot open file "/var/cache/dnf/cloudlinux-x86_64-server-8-ec8365a17697c700/repodata/fc83645d800ccd374b605e376d74317b0286f67263b266eacf538ae954593f46-modules.yaml.gz": 
No such file or directory 

Environment

• CloudLinux
• cPanel

Solution

1. Clean and re-create cache:

# yum clean all
# yum makecache

2. Run the update:

# yum update

NB! If the `yum update` transaction operates as expected, the server might be experiencing connectivity issues with our mirrors. We recommend contacting your datacenter for further investigation.

Cause

Network issues. The error is related to this issue in cPanel.

Useful links

• https://support.cpanel.net/hc/en-us/articles/4404419242007-Security-Advisor-failed-to-run-with-unexpected-output