Client assigned to group not save

The issue I am facing:
Hello,
I tried to assign clients into different group, but it always select Default group, even the Default group is already disable.

Details about my system:
I am running PiHole v5.3.1 on Debian 10

How could i fix the issue?
Thank you.

Please upload a debug log and post just the token that is generated after the log is uploaded by running the following command from the Pi-hole host terminal:

pihole -d

or do it through the Web interface:

Tools > Generate Debug Log

Hello @jfb ,

I generated the debug log by Tools >Generate Debug Log, but don't know how to get the token.
Please see below, thank you.

root@pihole:~# cat /var/log/pihole_debug.log
This process collects information from your Pi-hole, and optionally uploads it to a unique and random directory on tricorder.pi-hole.net.

The intent of this script is to allow users to self-diagnose their installations.  This is accomplished by running tests against our software and providing the user with links to FAQ articles when a problem is detected.  Since we are a small team and Pi-hole has been growing steadily, it is our hope that this will help us spend more time on development.

NOTE: All log files auto-delete after 48 hours and ONLY the Pi-hole developers can access your data via the given token. We have taken these extra steps to secure your data and will work to further reduce any personal information gathered.

*** [ INITIALIZING ]
[i] 2021-08-31:22:25:15 debug log has been initialized.

*** [ INITIALIZING ] Sourcing setup variables
[i] Sourcing /etc/pihole/setupVars.conf...

*** [ DIAGNOSING ]: Core version
[i] Core: v5.3.1 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Remotes: origin	https://github.com/pi-hole/pi-hole.git (fetch)
             origin	https://github.com/pi-hole/pi-hole.git (push)
[i] Branch: master
[i] Commit: v5.3.1-0-g4736e03

*** [ DIAGNOSING ]: Web version
[i] Web: v5.5.1 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Remotes: origin	https://github.com/pi-hole/AdminLTE.git (fetch)
             origin	https://github.com/pi-hole/AdminLTE.git (push)
[i] Branch: master
[i] Commit: v5.5.1-0-gfb9bd56

*** [ DIAGNOSING ]: FTL version
[✓] FTL: v5.8.1

*** [ DIAGNOSING ]: lighttpd version
[i] 1.4.53

*** [ DIAGNOSING ]: php version
[i] 7.3.29

*** [ DIAGNOSING ]: Operating system
[i] dig return code:  0
[i] dig response:  "Raspbian=9,10 Ubuntu=16,18,20 Debian=9,10 Fedora=32,33 CentOS=7,8"
[✓] Distro:  Debian
[✓] Version: 10

*** [ DIAGNOSING ]: SELinux
[i] SELinux not detected

*** [ DIAGNOSING ]: FirewallD
[i] Firewalld service inactive

*** [ DIAGNOSING ]: Processor
[✓] x86_64

*** [ DIAGNOSING ]: Networking
[✓] IPv4 address(es) bound to the ens18 interface:
   10.0.0.100/24 matches the IP found in /etc/pihole/setupVars.conf

[✓] IPv6 address(es) bound to the ens18 interface:
   fe80::882f:33ff:fe41:3471 does not match the IP found in /etc/pihole/setupVars.conf (https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127)

   ^ Please note that you may have more than one IP address listed.
   As long as one of them is green, and it matches what is in /etc/pihole/setupVars.conf, there is no need for concern.

   The link to the FAQ is for an issue that sometimes occurs when the IPv6 address changes, which is why we check for it.

[i] Default IPv4 gateway: 10.0.0.3
   * Pinging 10.0.0.3...
[✓] Gateway responded.

*** [ DIAGNOSING ]: Ports in use
*:22 sshd (IPv4)
*:22 sshd (IPv6)
[80] is in use by lighttpd
[80] is in use by lighttpd
[53] is in use by pihole-FTL
[53] is in use by pihole-FTL
[4711] is in use by pihole-FTL
[4711] is in use by pihole-FTL

*** [ DIAGNOSING ]: Name resolution (IPv4) using a random blocked domain and a known ad-serving domain
[✗] Failed to resolve  via localhost (127.0.0.1)
[✗] Failed to resolve  via Pi-hole (10.0.0.100)
[✓] doubleclick.com is 172.217.13.110 via a remote, public DNS server (8.8.8.8)

*** [ DIAGNOSING ]: Discovering active DHCP servers (takes 10 seconds)
   Scanning all your interfaces for DHCP servers
   Timeout: 10 seconds

   * Received 300 bytes from ens18:10.0.0.3
     Offered IP address: 10.0.0.100
     Server IP address: N/A
     Relay-agent IP address: N/A
     BOOTP server: (empty)
     BOOTP file: (empty)
     DHCP options:
      Message type: DHCPOFFER (2)
      server-identifier: 10.0.0.3
      lease-time: 7200 ( 2h )
      netmask: 255.255.255.0
      router: 10.0.0.3
      dns-server: 10.0.0.100
      dns-server: 1.1.1.1
      hostname: "pihole"
      domain-name: "5net.net"
      --- end of options ---

   DHCP packets received on interface lo: 0
   DHCP packets received on interface ens18: 1

*** [ DIAGNOSING ]: Pi-hole processes
[✓] lighttpd daemon is active
[✓] pihole-FTL daemon is active

*** [ DIAGNOSING ]: Pi-hole-FTL full status
   ● pihole-FTL.service - LSB: pihole-FTL daemon
   Loaded: loaded (/etc/init.d/pihole-FTL; generated)
   Active: active (exited) since Tue 2021-08-31 17:59:18 EDT; 4h 26min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 19005 ExecStart=/etc/init.d/pihole-FTL start (code=exited, status=0/SUCCESS)

Aug 31 17:59:18 pihole systemd[1]: pihole-FTL.service: Succeeded.
Aug 31 17:59:18 pihole systemd[1]: Stopped LSB: pihole-FTL daemon.
Aug 31 17:59:18 pihole systemd[1]: Starting LSB: pihole-FTL daemon...
Aug 31 17:59:18 pihole pihole-FTL[19005]: Not running
Aug 31 17:59:18 pihole su[19023]: (to pihole) root on none
Aug 31 17:59:18 pihole su[19023]: pam_unix(su:session): session opened for user pihole by (uid=0)
Aug 31 17:59:18 pihole pihole-FTL[19005]: FTL started!
Aug 31 17:59:18 pihole su[19023]: pam_unix(su:session): session closed for user pihole
Aug 31 17:59:18 pihole systemd[1]: Started LSB: pihole-FTL daemon.

*** [ DIAGNOSING ]: Setup variables
    PIHOLE_INTERFACE=ens18
    IPV4_ADDRESS=10.0.0.100/24
    IPV6_ADDRESS=
    PIHOLE_DNS_1=8.8.8.8
    PIHOLE_DNS_2=8.8.4.4
    QUERY_LOGGING=true
    INSTALL_WEB_SERVER=true
    INSTALL_WEB_INTERFACE=true
    LIGHTTPD_ENABLED=true
    CACHE_SIZE=10000
    ADMIN_EMAIL=
    WEBUIBOXEDLAYOUT=boxed
    WEBTHEME=default-light
    BLOCKING_ENABLED=true

*** [ DIAGNOSING ]: Dashboard and block page
[✗] Block page X-Header: X-Header does not match or could not be retrieved.
HTTP/1.1 200 OK
Content-type: text/html; charset=UTF-8
Expires: Wed, 01 Sep 2021 02:25:25 GMT
Cache-Control: max-age=0
Date: Wed, 01 Sep 2021 02:25:25 GMT
Server: lighttpd/1.4.53

[✓] Web interface X-Header: X-Pi-hole: The Pi-hole Web interface is working!

*** [ DIAGNOSING ]: Gravity List and Database
-rw-rw-r-- 1 pihole pihole 5332992 Aug 31 22:23 /etc/pihole/gravity.db

*** [ DIAGNOSING ]: Info table
   property              value
   --------------------  ----------------------------------------
   version               14
   updated               1630446708
   gravity_count         0
   Last gravity run finished at: Tue Aug 31 17:51:48 EDT 2021

   ----- First 10 Gravity Domains -----


*** [ DIAGNOSING ]: Groups
   id    enabled  name                                                date_added           date_modified        description
   ----  -------  --------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   0        0     XDefault                                            2021-08-30 23:40:39  2021-08-31 17:28:13  The default group
   1           1  plogan                                              2021-08-30 23:55:07  2021-08-31 17:36:01  plogan
   5           1  Hannah                                              2021-08-30 23:55:30  2021-08-31 17:35:58  Hannah
   6           1  Coca                                                2021-08-30 23:55:34  2021-08-31 17:35:56  Coca
   7           1  CCTV                                                2021-08-30 23:55:51  2021-08-31 17:35:53  CCTV
   8           1  DoorLock                                            2021-08-30 23:55:56  2021-08-31 17:35:50  DoorLock
   9           1  Server                                              2021-08-30 23:56:02  2021-08-31 17:35:46  Server
   10          1  Laura Thuy Khanh                                    2021-08-30 23:56:38  2021-08-31 17:35:41  ThuyKhanh

*** [ DIAGNOSING ]: Domainlist (0/1 = exact white-/blacklist, 2/3 = regex white-/blacklist)

*** [ DIAGNOSING ]: Clients
   id    group_ids     ip                                                                                                    date_added           date_modified        comment
   ----  ------------  ----------------------------------------------------------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   1     0             A4:E4:B8:65:FE:2B                                                                                     2021-08-30 23:56:59  2021-08-31 22:23:30  plogan's blackberry
   2     0             F0:18:98:32:87:AC                                                                                     2021-08-31 17:27:42  2021-08-31 17:27:42  ThuyKhanh-MacBookPro

*** [ DIAGNOSING ]: Adlists
   id    enabled  group_ids     address                                                                                               date_added           date_modified        comment
   ----  -------  ------------  ----------------------------------------------------------------------------------------------------  -------------------  -------------------  --------------------------------------------------
   1           1  0             https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts                                      2021-08-30 23:40:39  2021-08-30 23:40:39  Migrated from /etc/pihole/adlists.list

*** [ DIAGNOSING ]: contents of /etc/pihole

-rw-r--r-- 1 root root 37 Aug 31 17:51 /etc/pihole/local.list
   10.0.0.100 pihole
   10.0.0.100 pi.hole

-rw-r--r-- 1 root root 234 Aug 30 23:40 /etc/pihole/logrotate
   /var/log/pihole.log {
   	su root root
   	daily
   	copytruncate
   	rotate 5
   	compress
   	delaycompress
   	notifempty
   	nomail
   }
   /var/log/pihole-FTL.log {
   	su root root
   	weekly
   	copytruncate
   	rotate 3
   	compress
   	delaycompress
   	notifempty
   	nomail
   }

-rw-rw-r-- 1 pihole root 15 Aug 30 23:40 /etc/pihole/pihole-FTL.conf
   PRIVACYLEVEL=0

*** [ DIAGNOSING ]: contents of /etc/dnsmasq.d

-rw-r--r-- 1 root root 1386 Aug 30 23:40 /etc/dnsmasq.d/01-pihole.conf
   addn-hosts=/etc/pihole/local.list
   addn-hosts=/etc/pihole/custom.list
   localise-queries
   no-resolv
   cache-size=10000
   log-queries
   log-facility=/var/log/pihole.log
   local-ttl=2
   log-async
   server=8.8.8.8
   server=8.8.4.4
   interface=ens18
   server=/use-application-dns.net/

*** [ DIAGNOSING ]: contents of /etc/lighttpd

-rw-r--r-- 1 root root 0 Aug 30 23:40 /etc/lighttpd/external.conf

-rw-r--r-- 1 root root 4066 Aug 30 23:40 /etc/lighttpd/lighttpd.conf
   server.modules = (
       "mod_access",
       "mod_accesslog",
       "mod_auth",
       "mod_expire",
       "mod_compress",
       "mod_redirect",
       "mod_setenv",
       "mod_rewrite"
   )
   server.document-root        = "/var/www/html"
   server.error-handler-404    = "/pihole/index.php"
   server.upload-dirs          = ( "/var/cache/lighttpd/uploads" )
   server.errorlog             = "/var/log/lighttpd/error.log"
   server.pid-file             = "/run/lighttpd.pid"
   server.username             = "www-data"
   server.groupname            = "www-data"
   server.port                 = 80
   accesslog.filename          = "/var/log/lighttpd/access.log"
   accesslog.format            = "%{%s}t|%V|%r|%s|%b"
   index-file.names            = ( "index.php", "index.html", "index.lighttpd.html" )
   url.access-deny             = ( "~", ".inc", ".md", ".yml", ".ini" )
   static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )
   compress.cache-dir = "/var/cache/lighttpd/compress/"
   compress.filetype  = (
       "application/json",
       "application/vnd.ms-fontobject",
       "application/xml",
       "font/eot",
       "font/opentype",
       "font/otf",
       "font/ttf",
       "image/bmp",
       "image/svg+xml",
       "image/vnd.microsoft.icon",
       "image/x-icon",
       "text/css",
       "text/html",
       "text/javascript",
       "text/plain",
       "text/xml"
   )
   mimetype.assign = (
       ".ico"   => "image/x-icon",
       ".jpeg"  => "image/jpeg",
       ".jpg"   => "image/jpeg",
       ".png"   => "image/png",
       ".svg"   => "image/svg+xml",
       ".css"   => "text/css; charset=utf-8",
       ".html"  => "text/html; charset=utf-8",
       ".js"    => "text/javascript; charset=utf-8",
       ".json"  => "application/json; charset=utf-8",
       ".map"   => "application/json; charset=utf-8",
       ".txt"   => "text/plain; charset=utf-8",
       ".eot"   => "application/vnd.ms-fontobject",
       ".otf"   => "font/otf",
       ".ttc"   => "font/collection",
       ".ttf"   => "font/ttf",
       ".woff"  => "font/woff",
       ".woff2" => "font/woff2"
   )
   include_shell "cat external.conf 2>/dev/null"
   include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
   include_shell "find /etc/lighttpd/conf-enabled -name '*.conf' -a ! -name 'letsencrypt.conf' -printf 'include \"%p\"
' 2>/dev/null"
   $HTTP["url"] =~ "^/admin/" {
       setenv.add-response-header = (
           "X-Pi-hole" => "The Pi-hole Web interface is working!",
           "X-Frame-Options" => "DENY"
       )
       $HTTP["url"] =~ "\.(eot|otf|tt[cf]|woff2?)$" {
           setenv.add-response-header = ( "Access-Control-Allow-Origin" => "*" )
       }
   }
   $HTTP["url"] =~ "^/admin/\.(.*)" {
       url.access-deny = ("")
   }
   expire.url = ( "" => "access plus 0 seconds" )

*** [ DIAGNOSING ]: contents of /etc/cron.d

-rw-r--r-- 1 root root 1755 Aug 30 23:40 /etc/cron.d/pihole
   26 3   * * 7   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updateGravity >/var/log/pihole_updateGravity.log || cat /var/log/pihole_updateGravity.log
   00 00   * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole flush once quiet
   @reboot root /usr/sbin/logrotate /etc/pihole/logrotate
   */10 *  * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker local
   25 14  * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker remote
   @reboot root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole updatechecker remote reboot

*** [ DIAGNOSING ]: contents of /var/log/lighttpd

-rw-r--r-- 1 www-data www-data 214 Aug 30 23:40 /var/log/lighttpd/error.log
   -----head of error.log------
   2021-08-30 23:40:24: (server.c.1464) server started (lighttpd/1.4.53)
   2021-08-30 23:40:38: (server.c.2059) server stopped by UID = 0 PID = 1
   2021-08-30 23:40:38: (server.c.1464) server started (lighttpd/1.4.53)

   -----tail of error.log------
   2021-08-30 23:40:24: (server.c.1464) server started (lighttpd/1.4.53)
   2021-08-30 23:40:38: (server.c.2059) server stopped by UID = 0 PID = 1
   2021-08-30 23:40:38: (server.c.1464) server started (lighttpd/1.4.53)

*** [ DIAGNOSING ]: contents of /var/log

-rw-r--r-- 1 pihole pihole 32750 Aug 31 22:23 /var/log/pihole-FTL.log
   -----head of pihole-FTL.log------
   [2021-08-31 00:14:46.944 11828M] New upstream server: 8.8.8.8:53 (1/512)
   [2021-08-31 00:14:57.285 11828M] Resizing "FTL-dns-cache" from 16384 to (1280 * 16) == 20480 (/dev/shm: 786.4KB used, 517.6MB total, FTL uses 774.4KB)
   [2021-08-31 00:24:15.206 11828M] Resizing "FTL-dns-cache" from 20480 to (1536 * 16) == 24576 (/dev/shm: 790.5KB used, 517.6MB total, FTL uses 778.5KB)
   [2021-08-31 00:27:39.478 11828M] Resizing "FTL-queries" from 262144 to (8192 * 64) == 524288 (/dev/shm: 794.6KB used, 517.6MB total, FTL uses 782.6KB)
   [2021-08-31 01:13:09.960 11828M] Resizing "FTL-dns-cache" from 24576 to (1792 * 16) == 28672 (/dev/shm: 1.1MB used, 517.6MB total, FTL uses 1.0MB)
   [2021-08-31 01:25:19.994 11828M] Resizing "FTL-queries" from 524288 to (12288 * 64) == 786432 (/dev/shm: 1.1MB used, 517.6MB total, FTL uses 1.0MB)
   [2021-08-31 02:21:09.404 11828M] Resizing "FTL-queries" from 786432 to (16384 * 64) == 1048576 (/dev/shm: 1.3MB used, 517.6MB total, FTL uses 1.3MB)
   [2021-08-31 02:44:21.604 11828M] Resizing "FTL-dns-cache" from 28672 to (2048 * 16) == 32768 (/dev/shm: 1.6MB used, 517.6MB total, FTL uses 1.6MB)
   [2021-08-31 02:59:35.722 11828M] Resizing "FTL-domains" from 24576 to (1536 * 24) == 36864 (/dev/shm: 1.6MB used, 517.6MB total, FTL uses 1.6MB)
   [2021-08-31 03:19:24.356 11828M] Resizing "FTL-queries" from 1048576 to (20480 * 64) == 1310720 (/dev/shm: 1.6MB used, 517.6MB total, FTL uses 1.6MB)
   [2021-08-31 04:13:37.489 11828M] Resizing "FTL-dns-cache" from 32768 to (2304 * 16) == 36864 (/dev/shm: 1.9MB used, 517.6MB total, FTL uses 1.9MB)
   [2021-08-31 04:28:37.230 11828M] Resizing "FTL-queries" from 1310720 to (24576 * 64) == 1572864 (/dev/shm: 1.9MB used, 517.6MB total, FTL uses 1.9MB)
   [2021-08-31 05:07:42.417 11828M] Resizing "FTL-dns-cache" from 36864 to (2560 * 16) == 40960 (/dev/shm: 2.1MB used, 517.6MB total, FTL uses 2.1MB)
   [2021-08-31 05:26:09.092 11828M] Resizing "FTL-queries" from 1572864 to (28672 * 64) == 1835008 (/dev/shm: 2.1MB used, 517.6MB total, FTL uses 2.1MB)
   [2021-08-31 05:45:42.469 11828M] Resizing "FTL-dns-cache" from 40960 to (2816 * 16) == 45056 (/dev/shm: 2.4MB used, 517.6MB total, FTL uses 2.4MB)
   [2021-08-31 07:13:12.141 11828M] Resizing "FTL-queries" from 1835008 to (32768 * 64) == 2097152 (/dev/shm: 2.4MB used, 517.6MB total, FTL uses 2.4MB)
   [2021-08-31 07:18:27.800 11828M] Resizing "FTL-dns-cache" from 45056 to (3072 * 16) == 49152 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 07:57:19.030 11828M] Resizing "FTL-dns-cache" from 49152 to (3328 * 16) == 53248 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 07:57:22.257 11828M] Resizing "FTL-strings" from 81920 to (122880 * 1) == 122880 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 08:02:34.756 11828M] Resizing "FTL-domains" from 36864 to (2048 * 24) == 49152 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 08:02:35.127 11828M] Resizing "FTL-dns-cache" from 53248 to (3584 * 16) == 57344 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 08:11:37.282 11828M] Resizing "FTL-dns-cache" from 57344 to (3840 * 16) == 61440 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 08:58:57.935 11828M] Resizing "FTL-queries" from 2097152 to (36864 * 64) == 2359296 (/dev/shm: 2.7MB used, 517.6MB total, FTL uses 2.7MB)
   [2021-08-31 09:04:36.879 11828M] Resizing "FTL-dns-cache" from 61440 to (4096 * 16) == 65536 (/dev/shm: 3.0MB used, 517.6MB total, FTL uses 3.0MB)
   [2021-08-31 09:06:03.414 11828M] Resizing "FTL-dns-cache" from 65536 to (4352 * 16) == 69632 (/dev/shm: 3.0MB used, 517.6MB total, FTL uses 3.0MB)
   [2021-08-31 09:38:54.787 11828M] Resizing "FTL-queries" from 2359296 to (40960 * 64) == 2621440 (/dev/shm: 3.0MB used, 517.6MB total, FTL uses 3.0MB)
   [2021-08-31 09:47:39.939 11828M] Resizing "FTL-dns-cache" from 69632 to (4608 * 16) == 73728 (/dev/shm: 3.3MB used, 517.6MB total, FTL uses 3.3MB)
   [2021-08-31 10:21:36.017 11828M] Resizing "FTL-dns-cache" from 73728 to (4864 * 16) == 77824 (/dev/shm: 3.3MB used, 517.6MB total, FTL uses 3.3MB)
   [2021-08-31 10:21:41.046 11828M] Resizing "FTL-queries" from 2621440 to (45056 * 64) == 2883584 (/dev/shm: 3.3MB used, 517.6MB total, FTL uses 3.3MB)
   [2021-08-31 10:27:11.408 11828M] Resizing "FTL-dns-cache" from 77824 to (5120 * 16) == 81920 (/dev/shm: 3.5MB used, 517.6MB total, FTL uses 3.5MB)
   [2021-08-31 10:46:49.391 11828M] Resizing "FTL-dns-cache" from 81920 to (5376 * 16) == 86016 (/dev/shm: 3.5MB used, 517.6MB total, FTL uses 3.5MB)
   [2021-08-31 10:50:31.170 11828M] Resizing "FTL-dns-cache" from 86016 to (5632 * 16) == 90112 (/dev/shm: 3.5MB used, 517.6MB total, FTL uses 3.5MB)
   [2021-08-31 10:50:34.836 11828M] Resizing "FTL-domains" from 49152 to (2560 * 24) == 61440 (/dev/shm: 3.5MB used, 517.6MB total, FTL uses 3.5MB)
   [2021-08-31 10:52:51.532 11828M] Resizing "FTL-dns-cache" from 90112 to (5888 * 16) == 94208 (/dev/shm: 3.6MB used, 517.6MB total, FTL uses 3.5MB)
   [2021-08-31 10:54:54.997 11828M] Resizing "FTL-queries" from 2883584 to (49152 * 64) == 3145728 (/dev/shm: 3.6MB used, 517.6MB total, FTL uses 3.6MB)

   -----tail of pihole-FTL.log------
   [2021-08-31 17:59:18.449 19027M] Blocking status is enabled
   [2021-08-31 17:59:18.451 19027/T19030] Listening on Unix socket
   [2021-08-31 17:59:18.451 19027/T19029] Listening on port 4711 for incoming IPv6 telnet connections
   [2021-08-31 17:59:18.451 19027/T19028] Listening on port 4711 for incoming IPv4 telnet connections
   [2021-08-31 17:59:18.457 19027/T19031] Compiled 0 whitelist and 0 blacklist regex filters for 46 clients in 0.1 msec
   [2021-08-31 18:00:18.089 19027M] Resizing "FTL-dns-cache" from 4096 to (512 * 16) == 8192 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:04:29.162 19027M] Resizing "FTL-dns-cache" from 8192 to (768 * 16) == 12288 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:05:06.055 19027M] Resizing "FTL-domains" from 61440 to (3072 * 24) == 73728 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:11:07.860 19027M] Resizing "FTL-dns-cache" from 12288 to (1024 * 16) == 16384 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:17:48.772 19027M] Resizing "FTL-dns-cache" from 16384 to (1280 * 16) == 20480 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:18:54.198 19027M] Resizing "FTL-dns-cache" from 20480 to (1536 * 16) == 24576 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:36:48.990 19027M] Resizing "FTL-queries" from 4718592 to (77824 * 64) == 4980736 (/dev/shm: 5.3MB used, 517.6MB total, FTL uses 5.3MB)
   [2021-08-31 18:44:04.931 19027M] Resizing "FTL-dns-cache" from 24576 to (1792 * 16) == 28672 (/dev/shm: 5.6MB used, 517.6MB total, FTL uses 5.6MB)
   [2021-08-31 19:09:39.885 19027M] Resizing "FTL-dns-cache" from 28672 to (2048 * 16) == 32768 (/dev/shm: 5.6MB used, 517.6MB total, FTL uses 5.6MB)
   [2021-08-31 19:16:47.669 19027M] Resizing "FTL-queries" from 4980736 to (81920 * 64) == 5242880 (/dev/shm: 5.6MB used, 517.6MB total, FTL uses 5.6MB)
   [2021-08-31 19:24:39.661 19027M] Resizing "FTL-dns-cache" from 32768 to (2304 * 16) == 36864 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 19:33:04.557 19027M] Resizing "FTL-dns-cache" from 36864 to (2560 * 16) == 40960 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 19:54:35.141 19027M] Resizing "FTL-dns-cache" from 40960 to (2816 * 16) == 45056 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:25:07.783 19027M] Resizing "FTL-dns-cache" from 45056 to (3072 * 16) == 49152 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:26:54.480 19027M] Resizing "FTL-domains" from 73728 to (3584 * 24) == 86016 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:28:34.414 19027M] Resizing "FTL-dns-cache" from 49152 to (3328 * 16) == 53248 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:31:21.058 19027M] Resizing "FTL-dns-cache" from 53248 to (3584 * 16) == 57344 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:34:30.937 19027M] Resizing "FTL-strings" from 122880 to (163840 * 1) == 163840 (/dev/shm: 5.9MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:45:39.940 19027M] Resizing "FTL-dns-cache" from 57344 to (3840 * 16) == 61440 (/dev/shm: 6.0MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 20:46:56.279 19027M] Resizing "FTL-queries" from 5242880 to (86016 * 64) == 5505024 (/dev/shm: 6.0MB used, 517.6MB total, FTL uses 5.9MB)
   [2021-08-31 21:07:50.972 19027M] Resizing "FTL-dns-cache" from 61440 to (4096 * 16) == 65536 (/dev/shm: 6.2MB used, 517.6MB total, FTL uses 6.2MB)
   [2021-08-31 21:26:29.360 19027M] Resizing "FTL-dns-cache" from 65536 to (4352 * 16) == 69632 (/dev/shm: 6.2MB used, 517.6MB total, FTL uses 6.2MB)
   [2021-08-31 21:51:37.457 19027M] Resizing "FTL-dns-cache" from 69632 to (4608 * 16) == 73728 (/dev/shm: 6.2MB used, 517.6MB total, FTL uses 6.2MB)
   [2021-08-31 22:10:10.806 19027M] Resizing "FTL-dns-cache" from 73728 to (4864 * 16) == 77824 (/dev/shm: 6.2MB used, 517.6MB total, FTL uses 6.2MB)
   [2021-08-31 22:17:02.637 19027M] Resizing "FTL-queries" from 5505024 to (90112 * 64) == 5767168 (/dev/shm: 6.2MB used, 517.6MB total, FTL uses 6.2MB)
   [2021-08-31 22:23:07.550 19027M] Received: Real-time signal 0 (34 -> 0)
   [2021-08-31 22:23:08.296 19027/T19031] Compiled 0 whitelist and 0 blacklist regex filters for 52 clients in 0.1 msec
   [2021-08-31 22:23:30.139 19027M] Received: Real-time signal 0 (34 -> 0)
   [2021-08-31 22:23:30.328 19027/T19031] Compiled 0 whitelist and 0 blacklist regex filters for 52 clients in 0.1 msec
   [2021-08-31 22:23:48.358 19027M] Resizing "FTL-dns-cache" from 77824 to (5120 * 16) == 81920 (/dev/shm: 6.5MB used, 517.6MB total, FTL uses 6.5MB)

*** [ DIAGNOSING ]: contents of /dev/shm
-rw------- 1 pihole pihole 356352 Aug 31 19:16 /dev/shm/FTL-clients
-rw------- 1 pihole pihole 224 Aug 31 17:59 /dev/shm/FTL-counters
-rw------- 1 pihole pihole 81920 Aug 31 17:59 /dev/shm/FTL-dns-cache
-rw------- 1 pihole pihole 86016 Aug 31 22:10 /dev/shm/FTL-domains
-rw------- 1 pihole pihole 48 Aug 31 22:02 /dev/shm/FTL-lock
-rw------- 1 pihole pihole 8192 Aug 31 17:59 /dev/shm/FTL-overTime
-rw------- 1 pihole pihole 4096 Aug 31 17:59 /dev/shm/FTL-per-client-regex
-rw------- 1 pihole pihole 5767168 Aug 31 17:59 /dev/shm/FTL-queries
-rw------- 1 pihole pihole 12 Aug 31 17:59 /dev/shm/FTL-settings
-rw------- 1 pihole pihole 163840 Aug 31 22:04 /dev/shm/FTL-strings
-rw------- 1 pihole pihole 20480 Aug 31 17:59 /dev/shm/FTL-upstreams

*** [ DIAGNOSING ]: Pi-hole diagnosis messages

*** [ DIAGNOSING ]: Locale
    LANG=

*** [ DIAGNOSING ]: Pi-hole log
-rw-r--r-- 1 pihole pihole 45981933 Aug 31 22:25 /var/log/pihole.log
   -----head of pihole.log------
   Aug 31 00:00:02 dnsmasq[11828]: query[type=65] weather-data.apple.com from 10.0.0.91
   Aug 31 00:00:02 dnsmasq[11828]: forwarded weather-data.apple.com to 8.8.4.4
   Aug 31 00:00:02 dnsmasq[11828]: query[A] weather-data.apple.com from 10.0.0.91
   Aug 31 00:00:02 dnsmasq[11828]: forwarded weather-data.apple.com to 8.8.4.4
   Aug 31 00:00:02 dnsmasq[11828]: reply weather-data.apple.com is <CNAME>
   Aug 31 00:00:02 dnsmasq[11828]: reply weather-data.apple.com.akadns.net is <CNAME>
   Aug 31 00:00:02 dnsmasq[11828]: reply weather-data.apple.com.akamaized.net is <CNAME>
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.169
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.162
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.171
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.176
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.170
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.160
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.163
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.161
   Aug 31 00:00:02 dnsmasq[11828]: reply a2047.dscb.akamai.net is 24.200.0.168
   Aug 31 00:00:02 dnsmasq[11828]: query[type=65] a2047.dscb.akamai.net from 10.0.0.91
   Aug 31 00:00:02 dnsmasq[11828]: forwarded a2047.dscb.akamai.net to 8.8.4.4
   Aug 31 00:00:02 dnsmasq[11828]: query[A] a2047.dscb.akamai.net from 10.0.0.91
   Aug 31 00:00:02 dnsmasq[11828]: cached a2047.dscb.akamai.net is 24.200.0.168

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