The server software is configured in "Settings → System settings → Server settings group
Changing the system settings is available only with superuser rights.
Settings item "Update software automatically ":
Do not update - does not perform software update;
Update ISPsystem products - update only ISPsystem software;
Update all system packages - upgrade all software.
Updating is performed according to the schedule.
ISPsystem products are updated daily by a cron job:
/usr/local/mgr5/sbin/cron-ispmgr sbin/pkgupgrade.sh coremanager >/dev/null 2>&1
All system packages are updated daily by a cron job:
/usr/local/mgr5/sbin/cron-ispmgr sbin/pkgupgrade.sh >/dev/null 2>&1
To upgrade all packages on the system are used:
apt-get -y --allow-unauthenticated upgrade
yum -y update