# Dial tcp 127.0.0.1:7777: connect: connection refused **URL:** \ **Category:** Percona Monitoring and Management (PMM)\ **Created:** [March 20, 2023, 8:13am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752 "2023-03-20T08:13:43Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![Jyoti\_Rajai](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jyoti_rajai/32/4482_2.png) [@Jyoti\_Rajai](https://forums.percona.com/u/Jyoti_Rajai)\ **Post date:** [March 20, 2023, 8:13am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/1 "2023-03-20T08:13:43Z")
Hello Team, I am facing below error while adding PostgreSQL service to PMM. FYI: PMM SERVER & PMM CLIENT & PostgreSQL all are on the same machine. [Purpose to do this is that while adding PostgreSQL service remotely, the pg\_stat\_monitor from query analytics is not used.] root@DESKTOP-L0E2A77:/etc/mysql/mysql.conf.d# pmm-admin add postgresql --username=pmm --server-url=[https://admin:admin@172.21.226.127:443](https://admin:admin@172.21.226.127:443) --query-source=pgstatmonitor --server-insecure-tls --debug --password=PASSWORD Output ```auto DEBUG 2023-03-20 08:09:46.554810841Z: POST /local/Status HTTP/1.1 Host: 127.0.0.1:7777 User-Agent: Go-http-client/1.1 Content-Length: 3 Accept: application/json Content-Type: application/json Accept-Encoding: gzip {} DEBUG 2023-03-20 08:09:46.555006834Z: Result: DEBUG 2023-03-20 08:09:46.555035567Z: Error: &url.Error{Op:"Post", URL:"http://127.0.0.1:7777/local/Status", Err:(*net.OpError)(0xc00048c780)} Post "http://127.0.0.1:7777/local/Status": dial tcp 127.0.0.1:7777: connect: connection refused root@DESKTOP-L0E2A77:/etc/mysql/mysql.conf.d# ``` ---
**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\ **Post date:** [March 20, 2023, 2:57pm UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/2 "2023-03-20T14:57:27Z")
> [@Jyoti\_Rajai](#): > > –server-url=[https://admin:admin@172.21.226.127:443](https://admin:admin@172.21.226.127:443) If PMM is on the same machine (which is not recommended), then the server-url should be 127.0.0.1 > [@Jyoti\_Rajai](#): > > `http://127.0.0.1:7777/local/Status` What’s running on 7777? Or rather, what _should_ be? Whatever should be here is not running and thus the PMM agent cannot connect. ---
**Author:** ![Jyoti\_Rajai](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jyoti_rajai/32/4482_2.png) [@Jyoti\_Rajai](https://forums.percona.com/u/Jyoti_Rajai)\ **Post date:** [March 21, 2023, 2:44am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/3 "2023-03-21T02:44:10Z")
Thank you @matthewb for response ! There is nothing running on port 7777 ```auto root@DESKTOP-L0E2A77:~# lsof -i -P -n | grep LISTEN postgres 1301 postgres 5u IPv4 18121 0t0 TCP *:5432 (LISTEN) postgres 1301 postgres 6u IPv6 18122 0t0 TCP *:5432 (LISTEN) docker-pr 2489 root 4u IPv4 24782 0t0 TCP *:443 (LISTEN) docker-pr 2496 root 4u IPv6 23802 0t0 TCP *:443 (LISTEN) root@DESKTOP-L0E2A77:~# lsof -i -P -n | grep 7777 root@DESKTOP-L0E2A77:~# pmm-admin add mysql --username=pmm --server-url=https://admin:admin@127.0.0.1:443 --debug --password=Mutual#ubuntu DEBUG 2023-03-21 02:43:04.983117531Z: POST /local/Status HTTP/1.1 Host: 127.0.0.1:7777 User-Agent: Go-http-client/1.1 Content-Length: 3 Accept: application/json Content-Type: application/json Accept-Encoding: gzip {} DEBUG 2023-03-21 02:43:04.983269148Z: Result: DEBUG 2023-03-21 02:43:04.983295195Z: Error: &url.Error{Op:"Post", URL:"http://127.0.0.1:7777/local/Status", Err:(*net.OpError)(0xc00058f310)} Post "http://127.0.0.1:7777/local/Status": dial tcp 127.0.0.1:7777: connect: connection refused root@DESKTOP-L0E2A77:~# ``` ---
**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\ **Post date:** [March 21, 2023, 2:48am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/4 "2023-03-21T02:48:32Z")
> [@Jyoti\_Rajai](#): > > There is nothing running on port 7777 > [@matthewb](#): > > Or rather, what _should_ be? Exactly. There _should_ be something running on 7777 which is why you are getting that error. But whatever _should_ be running there, is not running. ---
**Author:** ![Jyoti\_Rajai](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jyoti_rajai/32/4482_2.png) [@Jyoti\_Rajai](https://forums.percona.com/u/Jyoti_Rajai)\ **Post date:** [March 21, 2023, 3:03am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/5 "2023-03-21T03:03:33Z")
Strange thing how would I solve it then 🤔 ---
**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\ **Post date:** [March 21, 2023, 3:38am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/6 "2023-03-21T03:38:22Z")
> **[Network - Percona Monitoring and Management](https://docs.percona.com/percona-monitoring-and-management/setting-up/server/network.html)** > > Documentation Looks like the pmm-agent runs on 7777. Is the agent running? (probably not since there’s nothing on 7777) Did you start the agent and register this client with the server? > **[Client - Percona Monitoring and Management](https://docs.percona.com/percona-monitoring-and-management/setting-up/client/index.html#register)** > > Documentation ---
**Author:** ![Jyoti\_Rajai](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jyoti_rajai/32/4482_2.png) [@Jyoti\_Rajai](https://forums.percona.com/u/Jyoti_Rajai)\ **Post date:** [March 21, 2023, 3:45am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/7 "2023-03-21T03:45:06Z")
```auto root@DESKTOP-L0E2A77:/var/lib/docker# docker exec pmm-client \ > pmm-admin status Error response from daemon: No such container: pmm-client root@DESKTOP-L0E2A77:/var/lib/docker# pmm-admin --version ProjectName: pmm-admin Version: 2.35.0 PMMVersion: 2.35.0 Timestamp: 2023-02-22 07:41:41 (UTC) FullCommit: 5e80fd1f3fdddbae98002e819e9396043b7a9740 root@DESKTOP-L0E2A77:/var/lib/docker# ``` ---
**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\ **Post date:** [March 21, 2023, 4:22am UTC](https://forums.percona.com/t/dial-tcp-127-0-0-1-connect-connection-refused/20752/8 "2023-03-21T04:22:01Z")
Please read the documentation for setting up the PMM Client. This is a critical step that you seemed to have missed. This is not done via docker but installed onto the operating system via your OS’s package manager.