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Senior Systems Engineer
Asked: 2020-08-27 17:35:10 +0800 CST

"dnf update" vs. "yum update" command differences in CentOS Linux?

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Does anyone know what's the difference between the below command in CentOS Linux ?:

dnf update
yum update

Which one is better to use with Cron as automated OS update?

Thanks in advance.

linux centos centos8

1 Answers

  1. Best Answer

    yum was replaced with dnf in CentOS 8. The command yum still exists because people will still remember it for years to come. The only thing it does is to call dnf.

    [root@localhost ~]# ls -l /usr/bin/yum
lrwxrwxrwx. 1 root root 5 Jul 21 18:46 /usr/bin/yum -> dnf-3
[root@localhost ~]# file /usr/bin/yum
/usr/bin/yum: symbolic link to dnf-3
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