Simple XML Sitemap IndexNow
Verification key not available
An IndexNow verification key needs to be generated and optionally added to settings.php in order for IndexNow engines to get notified about changes. This warning only applies to the production environment.

Go to: 

/admin/config/search/simplesitemap/engines/settings

Generate verification key 

Copy it

Go to: 

/sites/default/settings.php

paste sequence :

$settings['simple_sitemap_engines.index_now.key'] = '*************************************'; 

0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded

apt-get update
apt-get upgrade

Info:
The following packages have been kept back:
 linux-image-amd64
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

apt-get install aptitude
Info:
aptitude is already the newest version.

aptitude safe-upgrade
restart

apt autoremove

php -m

příkaz:

php --version

výstup:

PHP 7.4.33 (cli) (built: Nov  8 2022 11:40:37) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
    with Zend OPcache v7.4.33, Copyright (c), by Zend Technologies

The following signatures couldn't be verified because the public key is not available

~# apt-get update
Hit:1 http://security.debian.org/debian-security bullseye-security InRelease
Hit:2 http://deb.debian.org/debian bullseye InRelease
Hit:3 http://deb.debian.org/debian bullseye-updates InRelease
Hit:4 http://ftp.debian.org/debian bullseye-backports InRelease
Get:5 http://repo.mysql.com/apt/debian bullseye InRelease [12.9 kB]
Err:5 http://repo.mysql.com/apt/debian bullseye InRelease

Pokud vytvoříte makro, a poté chcete uložit soubor se  zobrazí toto upozornění

Excel

Menu - Vývojář  - Zobrazit kód

Pokud chcete skýt hlášku typu:

#NENÍ_K_DISPOZICI,

#HODNOTA!

#DĚLENÍ_NULOU!

=IFERROR("jakýkoliv vzorec";0)

Chyba bude nahrazena "nulou"

=IFERROR(suma(A2/B2);0)

/etc/init.d/apache2 restart