The following signatures couldn’t be verified because the public key is not available ( ubuntu/debian)

error : Hit:1 http://security.debian.org/debian-security stretch/updates InRelease Ign:2 http://kambing.ui.ac.id/debian stretch InRelease Hit:3 http://kambing.ui.ac.id/debian stretch Release Hit:5 http://ftp.debian.org/debian stretch-backports InRelease Err:4 https://packages.sury.org/php stretch InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743 Reading package lists… Done W: An error occurred during the signature verification. The repository is not updated and … Read more

The following cPanel service generated warnings from the checkallsslcerts script

Problem nya : The system failed to acquire a signed certificate from the cPanel Store because of the following error: Neither HTTP nor DNS DCV preflight checks succeeded! dan jika di coba script nya : [/home/yuby]# /usr/local/cpanel/bin/checkallsslcerts The system will check for the certificate for the “cpanel” service. The system will attempt to verify that … Read more