[CentOS] how to find out the number of updates for a system

yum check-updates 2>/dev/null|grep -A1000 "^$"|grep -vc "^$"

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----- Original Message -----
> From: "Ralf Prengel" <ralf.prengel at rprengel.de>
> To: "CentOS mailing list" <centos at centos.org>
> Sent: Wednesday, 22 May, 2019 14:42:53
> Subject: [CentOS] how to find out the number of updates for a system

> Hallo,
> I need the information how many updates are available for a system.
> What is the best way to find it out in a one line bash script.
> 
> Von meinem iPad gesendet
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