Could not get hold of varnishd, is it running?

1 문제상황[ | ]

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root@zetawiki:~# varnishstat
.....
Could not get hold of varnishd, is it running?

Console

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root@zetawiki:~# varnishadm
.....
Could not get hold of varnishd, is it running?

2 확인[ | ]

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root@zetawiki:~# netstat -tnlp | grep varnish
tcp        0      0 127.0.0.1:6082          0.0.0.0:*               LISTEN      25833/varnishd  
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      25833/varnishd  
tcp6       0      0 ::1:6082                :::*                    LISTEN      25833/varnishd  
tcp6       0      0 ::1:6086                :::*                    LISTEN      25833/varnishd  
tcp6       0      0 :::80                   :::*                    LISTEN      25833/varnishd

→ Varnish 자체는 정상적으로 작동 중이다...

3 조치[ | ]

호스트명을 바꾸어서 그런 듯...
재시작하니 정상화되었다.

Console

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root@zetawiki:~# systemctl restart varnish
root@zetawiki:~# varnishadm backend.list
Backend name                   Admin      Probe                Last updated
boot.server1                   probe      Healthy             8/8 Sun, 24 Dec 2017 14:40:42 GMT
boot.server2                   probe      Healthy             8/8 Sun, 24 Dec 2017 14:40:42 GMT

4 같이 보기[ | ]

5 참고[ | ]

https://stackoverflow.com/questions/47313056/varnish-could-not-get-hold-of-varnishd-is-it-running