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TROUBLESHOOTING.md

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Troubleshooting

General

Please find hints and troubleshooting information on our company playbook: http://playbook.sparkfabrik.com/guides/local-development-environment-configuration

Linux

Clear the DNS cache or restart systemd-resolved

Open a terminal and run:

systemctl restart systemd-resolved

To check the status of systemd-resolved run: resolvectl status from the command line and you should see something like this:

Global
       LLMNR setting: no
MulticastDNS setting: no
  DNSOverTLS setting: no
      DNSSEC setting: no
    DNSSEC supported: no
  Current DNS Server: 172.17.0.1
         DNS Servers: 172.17.0.1
          DNS Domain: ~loc
          DNSSEC NTA: 10.in-addr.arpa
                      16.172.in-addr.arpa
                      168.192.in-addr.arpa
                      17.172.in-addr.arpa
                      18.172.in-addr.arpa
                      19.172.in-addr.arpa
                      20.172.in-addr.arpa

MacOS quick checks

  • Clear the system DNS cache with the following commands:
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder

Ubuntu quick checks

  • Check if dnsmasq can actually start or dnsdock is binding port 53 on 0.0.0.0
  • Check the other way around
  • Check you are running dnsmasq with the default configuration in /etc/dnsmasq.conf (you really should use /etc/dnsmasq.d to store personal config files!)
  • Are your user in the docker group?
  • Did your read the last notice about loggin' out, then in again to make unix know your user was added to such group?