监听 tcp 127.0.0.1:9090: 绑定: 地址已在使用中

Question

如何找到哪个服务正在使用端口？

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# cat /etc/redhat-release \nRed Hat Enterprise Linux Server release 7.6 (Maipo)\n# netstat -natpv | grep 9090\ntcp6       0      0 :::9090                 :::*                    LISTEN      1/systemd           \n# \n

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请指教。

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# systemctl status cockpit.service \n\xe2\x97\x8f cockpit.service - Cockpit Web Service\n   Loaded: loaded (/usr/lib/systemd/system/cockpit.service; static; vendor preset: disabled)\n   Active: inactive (dead) since Mon 2019-06-10 12:43:51 EDT; 4 days ago\n     Docs: man:cockpit-ws(8)\n Main PID: 15922 (code=exited, status=0/SUCCESS)\n\nJun 10 12:41:48 X.X.X systemd[1]: Starting Cockpit Web Service...\nJun 10 12:41:48 X.X.X systemd[1]: Started Cockpit Web Service.\nJun 10 12:41:48 X.X.X cockpit-ws[15922]: Using certificate: /etc/cockpit/ws-certs.d/0-self-signed.cert\nJun 10 12:42:05 X.X.X cockpit-session[16311]: pam_ssh_add: Identity added: /root/.ssh/id_rsa (/root/.ssh/id_rsa)\nJun 10 12:42:07 X.X.X cockpit-ws[15922]: logged in user session\nJun 10 12:42:07 X.X.X cockpit-ws[15922]: New connection to session from 10.52.208.221\nJun 10 12:42:21 X.X.X cockpit-ws[15922]: WebSocket from 10.52.208.221 for session closed\nJun 10 12:42:36 X.X.X cockpit-ws[15922]: session timed out\n# lsof -i :9090\nCOMMAND PID USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME\nsystemd   1 root   75u  IPv6 7761202      0t0  TCP *:websm (LISTEN)\n# \n

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Answer 1

systemctl list-sockets应显示准确的单位名称和相关服务。

LISTEN                          UNIT                            ACTIVATES
[::]:9090                       cockpit.socket                  cockpit@0.service