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How to enable auto updates on CentOS 7 w/ yum-cron
2018-07-05 20:00:00 +0200
Daniel Rabanser

In this post you will learn how to enable automatic system updates for your CentOS 7 / RHEL 7 system.

Update your system

It might be a good idea to update your system before installing something. Kind of ironic isn't it? We'll do it anyway.

[root@centos ~]# yum update

Install yum-cron

[root@centos ~]# yum install yum-cron

Configure yum-cron

This will enable daily updates

[root@centos ~]# vi /etc/yum/yum-cron.conf
apply_updates = yes                  

This will enable hourly security updates

[root@centos ~]# vi /etc/yum/yum-cron-hourly.conf
update_cmd = security
update_messages = yes
download_updates = yes
apply_updates = yes

Start yum-cron

Lastly start yum-cron and enable it to start automatically at boot time

[root@centos ~]# systemctl enable yum-cron
[root@centos ~]# systemctl start yum-cron