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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                ### 通過進程號查看端口 ``` bash netstat -nap | grep 21587 ###通過進程id查看端口號 ``` ### 通過pid查看端口 ``` bash [root@ncayu618 ncayu618]# netstat -antup|grep 2150 tcp 0 52 172.18.55.8:22 116.237.140.20:36130 ESTABLISHED 2150/sshd: root@pts [root@ncayu618 ncayu618]# #通過應用查詢端口和pid $ ss -naltp|grep prometheus ``` ### 通過進程號查看啟動路徑 ``` bash # 更據進程號,查詢組件位置 [root@ncayu8847 ~]# ll /proc/31303/cwd lrwxrwxrwx 1 nginx nginx 0 Aug 18 18:52 /proc/31303/cwd -> /data/applications/nginx [root@ncayu8847 ~]# [root@ncayu8847 ~]# ll /proc/13687/cwd lrwxrwxrwx 1 root root 0 10月 29 11:31 /proc/13687/cwd -> /data/prometheus_hy/grafana-7.4.0 ``` ### 查詢所有被占用的端口 ``` bash netstat -tulnp ? -t(tcp)只顯示tcp相關的 ? -u(udp)只顯示udp相關的 ? -l(listening)只顯示監聽服務的端口 ? -n(numeric)不解析名稱,能用數字表示的就不用別名(例如:localhost會轉成127.0.0.1) ? -p(programs)顯示端口的PID和程序名稱 ? 查詢單個端口是否被占用。 可以通過netstat -tulnp | grep 端口號查看當前端口號是否被占用 ? 例如: ? netstat -tulnp|grep 3306 ``` ### 檢查端口開放情況 ``` bash netstat 工具檢測開放端口 ? [root@DB-Server Server]# netstat -anlp | grep 3306 ? ? ###nmap是一款網絡掃描和主機檢測的工具 關于nmap的使用,都可以長篇大寫特寫,這里不做展開。如下所示,nmap 127.0.0.1 查看本機開放的端口,會掃描所有端口。 當然也可以掃描其它服務器端口。 ? yum install nmap; ? [root@ncayu618 ~]# nmap 127.0.0.1 ? Starting Nmap 6.40 ( http://nmap.org ) at 2021-05-19 11:14 CST Nmap scan report for localhost (127.0.0.1) Host is up (0.0000070s latency). Not shown: 995 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 3000/tcp open ppp 9090/tcp open zeus-admin 9100/tcp open jetdirect ? Nmap done: 1 IP address (1 host up) scanned in 1.58 seconds ? ```
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