A system administrator has just installed a new Linux distribution. The distribution is configured to be “secure
out of the box”. The system administrator cannot make updates to certain system files and services. Each time
changes are attempted, they are denied and a system error is generated. Which of the following
troubleshooting steps should the security administrator suggest?
A.
Review settings in the SELinux configuration files
B.
Reset root permissions on systemd files
C.
Perform all administrative actions while logged in as root
D.
Disable any firewall software before making changes