HTTP: failed to make connection to backend: localhost
/var/log/apache2/error.log:[Thu Jul 12 14:52:47.565151 2018] [proxy:error] pid 29746:tid 139938330822400Connecti
on refused: AH00957: HTTP: attempt to connect to [::1]:3001
/var/log/apache2/error.log:[Thu Jul 12 14:52:47.565213 2018] [proxy:error] [pid 29746:tid 139938330822400] AH00959: app roxyconnectbackend disabling worker for (localhost) for 60s /var/log/apache2/error.log:[Thu Jul 12 14:52:47.565220 2018] [proxyhttp:error] [pid 29746:tid 139938330822400] [client
184.108.40.206:31478] AH01114: HTTP: failed to make connection to backend: localhost, referer: https://sizzia.com/login.
/var/log/apache2/error.log:[Thu Jul 12 14:52:50.786689 2018] [proxy:error] [pid 29746:tid 139938435008256] AH00940: HTTP
: disabled connection for (localhost)
1)apache2 is active
2) ps aux | grep node" result:
background process is not working and browser show 503 error service unavailable.. did googling and still not working..
son 30660 0.0 0.0 14224 936 ttyS0 S+ 15:14 0:00 grep --color=auto node
-user able to log in into dashboard
-browser gave output 503
-maintain in log in page
The site “sizzia.com” is up and responding successfully.
PING sizzia.com (220.127.116.11): 56 data bytes
64 bytes from 18.104.22.168: icmpseq=0 ttl=46 time=361.571 ms 64 bytes from 22.214.171.124: icmpseq=1 ttl=46 time=255.249 ms
64 bytes from 126.96.36.199: icmpseq=2 ttl=46 time=256.022 ms 64 bytes from 188.8.131.52: icmpseq=3 ttl=46 time=330.752 ms
The appropriate ports are also open.
Nmap 7.60 ( https://nmap.org ) at 2018-07-12 07:19 EDT
Nmap scan report for li856-252.members.linode.com (184.108.40.206)
Host is up (0.33s latency).
Not shown: 997 filtered ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
Are you able to elaborate as to what you are trying to access?
When I try go to (https://sizzia.com/login) I get a 404 not found error.
The requested URL /login. was not found on this server.
I don't know that we have enough information to completely answer your question but these links may be of some service.
If you are able to provide some more details we can certainly try to point you the right direction but I would definitely give a look at those links.