Warning: Declaration of bdyssh_menu_titles::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in /var/www/jopka/data/www/bdyssh.ru/wp-content/themes/bdyssh/functions.php on line 0
Bdyssh!
Bdyssh! // Бдыщщь!

Я видел «17 мгновений весны» на китайском, %username%.

Zabbix: How to delete hosts which physically non-existent anymore / Как удалить хосты, которые больше не существуют

In Configuration->Hosts, when you delete auto-discovered hosts from list, and delete it physically, they are will reappear due to bugs, when previous discovery rule still running.
To delete these:
Disable discovery rule.
Clone rule to new one with other name but same internals.
Disable the new rule.
Wait a minute or so.
Delete hosts.
Enable new discovery rule.