![Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub](https://user-images.githubusercontent.com/40128659/44989960-7297fb80-af44-11e8-89b7-8659ef17a57b.png)
Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub
curl: (7) Failed to connect to 20.245.88.48 port 80 after 1 ms: Couldn't connect to server - Microsoft Q&A
![deployment: curl localhost connection refused · Issue #78 · tiangolo/full-stack-fastapi-postgresql · GitHub deployment: curl localhost connection refused · Issue #78 · tiangolo/full-stack-fastapi-postgresql · GitHub](https://user-images.githubusercontent.com/7061275/69071979-8831fd80-09f0-11ea-98be-e6132d6a04f4.png)
deployment: curl localhost connection refused · Issue #78 · tiangolo/full-stack-fastapi-postgresql · GitHub
![curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub](https://user-images.githubusercontent.com/33145296/37398836-c2a89688-27a5-11e8-9ac2-b4b0f49d69dd.png)
curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub
![Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in](https://www.pc-freak.net/images/using-curl-ssh-wget-to-test-tcp-port-opened-or-closed-for-web-mysql-smtp-or-any-other-linstener-in-pci-linux-logo.png)
Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in
![curl (7) failed to connect to localhost port 8001 connection refused - Installation/Setup - Kong Nation curl (7) failed to connect to localhost port 8001 connection refused - Installation/Setup - Kong Nation](https://global.discourse-cdn.com/standard10/uploads/konghq/optimized/1X/aa649e2bd03ddc44002432e178bfca0358080fc7_2_690x387.png)
curl (7) failed to connect to localhost port 8001 connection refused - Installation/Setup - Kong Nation
![CURL : Alternative for telnet tool to check listening port state in Linux/Windows - Multi Tech Buzz!! CURL : Alternative for telnet tool to check listening port state in Linux/Windows - Multi Tech Buzz!!](http://www.multitechbuzz.com/wp-content/uploads/2019/12/telnet.png)