My Oracle Support Banner

Unable to Connect to System After Installing Updates (Doc ID 2674173.1)

Last updated on JUNE 04, 2020

Applies to:

Oracle Compute Cloud Service - Version N/A and later
Linux OS - Version Oracle Linux 7.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64 on Oracle Public Cloud
Linux x86-64

Symptoms

Unable to connect to one of the systems after installing many software updates from the standard Oracle repositories.


Unable to SSH/ping to the public IP and also unable to SSH/ping to the private IP via a different server in the same IP network.

The server console console looks healthy:

Oracle Linux Server 7.8
Kernel 4.1.12-124.39.2.el7uek.x86_64 on an x86_64

<HOSTNAME> login:



Changes

The only change was performed the previous day - a yum update of all packages including the kernel followed by a system restart.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.