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查询端口被占用情况
① lsof -i:端口号
[root@centos src]# lsof -i:7002
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
redis-ser 29438 root 4u IPv6 96863 0t0 TCP *:afs3-prserver (LISTEN)
redis-ser 29438 root 5u IPv4 96864 0t0 TCP *:afs3-prserver (LISTEN)
redis-ser 29438 root 15u IPv4 96953 0t0 TCP 192.168.126.11:afs3-prserver->192.168.126.11:57302 (ESTABLISHED)
redis-ser 29450 root 15u IPv4 96952 0t0 TCP 192.168.126.11:57302->192.168.126.11:afs3-prserver (ESTABLISHED)
② netstat -tunlp用于显示tcp,udp的端口和进程等相关情况
③ netstat -tunlp用于显示tcp,udp的端口和进程等相关情况
然后杀掉进程 kill -9