CentOS

OSバージョン確認
# cat/etc/redhat-release
CentOS Linux release 7.8.2003 (Core)

OSの更新
# yum update
エラーメ ...

CentOS

1.エラー現象
# php -v
-bash:/usr/bin/php: No such file or directory
# which php
/usr/bin/which: no php in ...