You can use the yum-updatesd daemon to send notifications about package updates on a Red Hat, CentOS, or Fedora system. yum-updatesd is a daemon that runs in the background and checks for available package updates on a regular basis. It can be configured to send notifications via email when new updates are available.
Here's a general outline of the steps you will need to follow to configure yum-updatesd to send notifications about package updates via email on a Red Hat, CentOS, or Fedora system:
yum-updatesd package. You can use the yum package manager to install the yum-updatesd package.yum install yum-updatesd
Edit the /etc/yum/yum-updatesd.conf configuration file and set the emit_via option to email. This will cause yum-updatesd to send notifications via email when new updates are available.
Edit the /etc/yum/yum-updatesd.conf configuration file and set the email_to option to the email address you want to receive update notifications.
Start the yum-updatesd daemon. You can use the systemctl command to start the yum-updatesd daemon.
systemctl start yum-updatesd
yum-updatesd daemon to start automatically at boot time. You can use the systemctl command to enable the yum-updatesd daemon.systemctl enable yum-updatesd
Once you have configured yum-updatesd to send notifications via email, you should start receiving notifications when new package updates are available on your system. Consult the yum-updatesd documentation and online resources for more information on how to configure and use the yum-updatesd daemon.