cPanel strongly recommends having automatic updates enabled. This ensures your server is up to date with the latest features and bug fixes, improving the stability and security of your server.
Log into your server as root and modify /etc/cpupdate.conf, ensuring the following are set:
# nano /etc/cpupdate.conf
CPANEL can be any valid cPanel release tier (LTS, Stable, Release, Current, Edge).
RPMUP should be set to daily to enable automatic package updates
SARULESUP should be set to daily to enable automatic SpamAssassin definition updates
STAGING_DIR is an advanced option. It can be left alone.
UPDATES should be set to daily to enable automatic updates.