librenms@lnmsserver:~$ ./validate.php
====================================
Component | Version
--------- | -------
LibreNMS  | 21.7.0-84-g1fcf58a7a
DB Schema | 2021_08_04_102914_add_syslog_indexes (213)
PHP       | 7.3.29-1~deb10u1
Python    | 3.7.3
MySQL     | 10.3.29-MariaDB-0+deb10u1
RRDTool   | 1.7.1
SNMP      | NET-SNMP 5.7.3
====================================

[OK]    Composer Version: 2.1.5
[OK]    Dependencies up-to-date.
[OK]    Database connection successful
[OK]    Database schema correct
[INFO]  Detected Python Wrapper
[FAIL]  We could not get memcached stats, it is possible that we cannot connect to your memcached server, please check
[FAIL]  Missing PHP extension: memcached
        [FIX]:
        Please install memcached
[WARN]  Your install is over 24 hours out of date, last update: Sat, 21 Aug 2021 05:25:13 +0000
        [FIX]:
        Make sure your daily.sh cron is running and run ./daily.sh by hand to see if there are any errors.