Configuring Stub Resolver in RHEL 8: systemd-resolved not caching DNS queriesDNS queries not using nscd for...

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Configuring Stub Resolver in RHEL 8: systemd-resolved not caching DNS queries


DNS queries not using nscd for cachingConfiguring DNS resolver failover timeoutsystemd-resolved change dns cname recordsWhy doesn't systemd-resolved use my local DNS server?DNS is not applied with systemd-resolvedHow to make systemd-resolved stop trying to use offline DNS servers?How single-label dns lookup requests are handled by systemd-resolved?What are DNS server, resolver and stub resolver?What is the recommended way to set a global DNS server override on a system using systemd-resolved?Redirect all outgoing DNS queries to local stub resolver at 127.0.0.1:53






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In RHEL 8, systemctl list-unit-files|grep resolved reports that systemd-resolved is both present and running by default. However, systemd-resolve --statistics shows no name:ip mappings are being cached locally: caching statistics remain "0" even when I force resolution doing something with ping www.redhat.com or systemd-resolve www.redhat.com 127.0.0.1



Why is resolved not caching previously resolved name:ip mappings locally?!?!?



Caching tests annotated screenshot PRE changes










share|improve this question































    0















    In RHEL 8, systemctl list-unit-files|grep resolved reports that systemd-resolved is both present and running by default. However, systemd-resolve --statistics shows no name:ip mappings are being cached locally: caching statistics remain "0" even when I force resolution doing something with ping www.redhat.com or systemd-resolve www.redhat.com 127.0.0.1



    Why is resolved not caching previously resolved name:ip mappings locally?!?!?



    Caching tests annotated screenshot PRE changes










    share|improve this question



























      0












      0








      0








      In RHEL 8, systemctl list-unit-files|grep resolved reports that systemd-resolved is both present and running by default. However, systemd-resolve --statistics shows no name:ip mappings are being cached locally: caching statistics remain "0" even when I force resolution doing something with ping www.redhat.com or systemd-resolve www.redhat.com 127.0.0.1



      Why is resolved not caching previously resolved name:ip mappings locally?!?!?



      Caching tests annotated screenshot PRE changes










      share|improve this question
















      In RHEL 8, systemctl list-unit-files|grep resolved reports that systemd-resolved is both present and running by default. However, systemd-resolve --statistics shows no name:ip mappings are being cached locally: caching statistics remain "0" even when I force resolution doing something with ping www.redhat.com or systemd-resolve www.redhat.com 127.0.0.1



      Why is resolved not caching previously resolved name:ip mappings locally?!?!?



      Caching tests annotated screenshot PRE changes







      rhel dns systemd-resolved caching






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 11 mins ago







      F1Linux

















      asked 2 days ago









      F1LinuxF1Linux

      1738




      1738






















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          The fix is simple: you need to reference resolved as a source of DNS resolution in /etc/nsswitch.



          Add "resolve" to the hosts directive, making it first in the list. So the hosts entry in /etc/nsswitch should look as below:



          hosts:      resolve files dns myhostname


          Let's see what happens after we make the change to /etc/nsswitch:



          Caching tests annotated screenshot POST Changes






          share|improve this answer
























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            1 Answer
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            The fix is simple: you need to reference resolved as a source of DNS resolution in /etc/nsswitch.



            Add "resolve" to the hosts directive, making it first in the list. So the hosts entry in /etc/nsswitch should look as below:



            hosts:      resolve files dns myhostname


            Let's see what happens after we make the change to /etc/nsswitch:



            Caching tests annotated screenshot POST Changes






            share|improve this answer




























              0














              The fix is simple: you need to reference resolved as a source of DNS resolution in /etc/nsswitch.



              Add "resolve" to the hosts directive, making it first in the list. So the hosts entry in /etc/nsswitch should look as below:



              hosts:      resolve files dns myhostname


              Let's see what happens after we make the change to /etc/nsswitch:



              Caching tests annotated screenshot POST Changes






              share|improve this answer


























                0












                0








                0







                The fix is simple: you need to reference resolved as a source of DNS resolution in /etc/nsswitch.



                Add "resolve" to the hosts directive, making it first in the list. So the hosts entry in /etc/nsswitch should look as below:



                hosts:      resolve files dns myhostname


                Let's see what happens after we make the change to /etc/nsswitch:



                Caching tests annotated screenshot POST Changes






                share|improve this answer













                The fix is simple: you need to reference resolved as a source of DNS resolution in /etc/nsswitch.



                Add "resolve" to the hosts directive, making it first in the list. So the hosts entry in /etc/nsswitch should look as below:



                hosts:      resolve files dns myhostname


                Let's see what happens after we make the change to /etc/nsswitch:



                Caching tests annotated screenshot POST Changes







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 days ago









                F1LinuxF1Linux

                1738




                1738






























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