The Ubuntu operating system must use a separate file system for /var.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-75589	UBTU-16-010920	SV-90269r1_rule		Low

Description
The use of separate file systems for different paths can protect the system from failures resulting from a file system becoming full or failing.

STIG	Date
Canonical Ubuntu 16.04 Security Technical Implementation Guide	2020-05-29

Details

Check Text ( C-75293r1_chk )
Verify that a separate file system/partition has been created for "/var". Check that a file system/partition has been created for "/var" with the following command: # grep /var /etc/fstab UUID=c274f65f /var ext4 noatime,nobarrier 1 2 If a separate entry for "/var" is not in use, this is a finding.

Fix Text (F-82217r1_fix)
Migrate the "/var" path onto a separate file system.