~# pihole -d
::: Beginning Pi-hole debug at Sun Oct  8 21:23:46 UTC 2017!
:::
::: This process collects information from your Pi-hole, and optionally uploads
::: it to a unique and random directory on tricorder.pi-hole.net.
:::
::: 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.
:::
::: Please read and note any issues, and follow any directions advised during this process.
:::
:::  ---= Detecting Installed Package Versions:
:::       Pi-hole: v3.1.4 (master:v3.1.4-0-gb0ecedd)
:::       Pi-hole Dashboard: v3.1 (master:v3.1-0-gf204b71)
:::       lighttpd/1.4.35
:::       PHP 7.0.22-0ubuntu0.16.04.1 (cli) ( NTS )
:::
:::  ---= Detecting existence of /etc/pihole/setupVars.conf:
:::       File exists, parsing...done and was successfully sourced
:::
:::  ---= Detecting installed OS Distribution
:::
:::  ---= Checking processor variety
:::
:::  ---= Checking IPv6 Stack
:::       IPv6 addresses located on pinet0
Cannot send dump request: Protocol error
:::          No gateway detected.
:::
:::  ---= Checking IPv4 Stack
:::       IPv4 addresses located on pinet0
:::        Pinging default IPv4 gateway: ping: SO_BINDTODEVICE: Invalid argument
:::  Gateway did not respond.
:::
:::  ---= Daemon Process Information
:::     Checking http port for lighttpd listener.
:::       Correctly configured.
:::
:::  ---= Daemon Process Information
:::     Checking domain port for dnsmasq listener.
:::       Correctly configured.
:::
:::  ---= Daemon Process Information
:::     Checking 4711 port for pihole-FTL listener.
:::  Failure: IPv4 Port not in use
:::
:::  ---= Processes Check
:::     Logging status of lighttpd, dnsmasq and pihole-FTL...
:::
:::  ---= Resolver Functions Check (IPv4)
shuf: /etc/pihole/gravity.list: No such file or directory
../../../../lib/isc/unix/socket.c:2881: setsockopt(20, IP_RECVTOS) failed: Protocol not available
dig: couldn't get address for '': not found
../../../../lib/isc/unix/socket.c:2881: setsockopt(20, IP_RECVTOS) failed: Protocol not available
../../../../lib/isc/unix/socket.c:2881: setsockopt(20, IP_RECVTOS) failed: Protocol not available
../../../../lib/isc/unix/socket.c:2881: setsockopt(20, IP_RECVTOS) failed: Protocol not available
:::     Checking for necessary lighttpd files.
:::
:::  ---= Detecting existence of /etc/lighttpd/lighttpd.conf:
:::       File exists, parsing...done
:::
:::  ---= Detecting existence of /var/log/lighttpd/error.log:
:::       File exists, parsing...done
:::
:::
:::  ---= Detecting existence of /etc/dnsmasq.conf:
:::       File exists, parsing...done
:::
:::  ---= Detecting contents of /etc/dnsmasq.d/*:
:::
:::  ---= File /etc/dnsmasq.d/01-pihole.conf found
:::       Parsing...done
:::
:::  ---= File /etc/dnsmasq.d/README found
:::       Parsing...done
:::
:::
:::  ---= Detecting existence of /etc/pihole/whitelist.txt:
:::       File exists, parsing...done
:::
:::  ---= Detecting existence of /etc/pihole/blacklist.txt:
:::  /etc/pihole/blacklist.txt not found!
:::
:::  ---= Detecting existence of /etc/pihole/adlists.list:
:::       File exists, parsing...done
:::
:::  ---= Analyzing gravity.list
grep: /etc/pihole/gravity.list: No such file or directory
:::  Warning: No gravity.list file found!
:::
:::  ---= Analyzing pihole.log
:::
:::  ---= Analyzing pihole-FTL.log
grep: /var/log/pihole-FTL.log: No such file or directory
:::  Warning: No pihole-FTL.log file found!
du: cannot access '/var/log/pihole-FTL.log': No such file or directory
:::  Warning: No pihole-FTL.log file found!
tail: cannot open '/var/log/pihole-FTL.log' for reading: No such file or directory
:::
::: --= User Action Required =--
::: Try loading a site that you are having trouble with now from a client web browser..
:::     (Press CTRL+C to finish logging.)
:::
:::  ---= pihole.log
::: Logging will automatically teminate in 60 seconds
::: Finshed debugging!.
cat: /proc/17938/fd/3: No such file or directory
cat: /proc/17938/fd/4: No such file or directory
::: The debug log can be uploaded to tricorder.pi-hole.net for sharing with developers only.
::: Would you like to upload the log? [y/N] y
::: ---=== Your debug token is : Use netcat. Please make a note of it. ===---
::: Contact the Pi-hole team with your token for assistance.
::: Thank you.
::: A local copy of the Debug log can be found at : /var/log/pihole_debug.log
root@ubuntu-14-04-b:~# cat /var/log/pihole_debug.log
root@ubuntu-14-04-b:~# .
-bash: .: filename argument required
.: usage: . filename [arguments]