yum update
を実行すると次のようなエラーとなる場合があります
Loaded plugins: fastestmirror
Determining fastest mirrors
epel/x86_64/metalink | 9.7 kB 00:00:00
* base: d36uatko69830t.cloudfront.net
* epel: d2lzkl7pfhq30w.cloudfront.net
* extras: d36uatko69830t.cloudfront.net
* updates: d36uatko69830t.cloudfront.net
PLESK_17_PHP72 | 2.9 kB 00:00:00
PLESK_17_PHP73 | 2.9 kB 00:00:00
http://autoinstall.plesk.com/pool/PSA_18.0.24_2426/extras-rpm-CentOS-7-x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
To address this issue please refer to the below wiki article
sudo yum clean all
エラーが出ているファイルを検索する
cd /etc/yum.repos.d
grep extras-rpm-CentOS-7-x86_64 *.*
vi plesk.repo
enabled=0 にする
[PLESK_18_0_24-extras]
name=PLESK_18_0_24 extras
baseurl=http://autoinstall.plesk.com/pool/PSA_18.0.24_2426/extras-rpm-CentOS-7-x86_64/
enabled=0
gpgcheck=1
再度 update
yum update