diff --git a/sources/tech/20090518 How to use yum-cron to automatically update RHEL-CentOS Linux.md b/sources/tech/20090518 How to use yum-cron to automatically update RHEL-CentOS Linux.md
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 How to use yum-cron to automatically update RHEL/CentOS Linux
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 The yum command line tool is used to install and update software packages under RHEL / CentOS Linux server. I know how to apply updates using [yum update command line][1], but I would like to use cron to update packages where appropriate manually. How do I configure yum to install software patches/updates [automatically with cron][2]?