lsof 를 이용한 특정 포트를 점유중인 프로세스 확인

Linux OS에서는 아래와 같이 lsof 명령을 이용하여 특정 포트를 점유중인 프로세스와 그 PID를 조회 가능하다.

 

[root@TESTWAS01 extra]# [root@TESTWAS01 extra]# lsof -i | grep java | grep 8010 java 11449 dpapp 147u IPv6 51472522 TCP TESTWAS01:48010->10.220.32.91:mysql (ESTABLISHED) java 17995 dpapp 34u IPv6 51500889 TCP *:8010 (LISTEN) java 17995 dpapp 199u IPv6 51504076 TCP TESTWAS01:8010->TESTWAS01:58964 (ESTABLISHED) [root@TESTWAS01 extra]# [root@TESTWAS01 extra]# [root@TESTWAS01 extra]# [root@TESTWAS01 extra]# ps -aux | grep 17995 Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ dpapp 17995 20.5 3.1 2860828 531952 pts/4 Sl 09:16 0:41 /usr/local/java/bin/java -Djava.util.logging.config.file=/dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33/conf/logging.properties -Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms2048m -Xmx2048m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:PermSize=256m -XX:MaxPermSize=256m -XX:+DisableExplicitGC -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33/endorsed -classpath /dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33/bin/bootstrap.jar -Dcatalina.base=/dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33 -Dcatalina.home=/dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33 -Djava.io.tmpdir=/dpapp/server/tomcat/dlib-sample/apache-tomcat-6.0.33/temp org.apache.catalina.startup.Bootstrap start root 19585 0.0 0.0 61156 728 pts/3 R+ 09:20 0:00 grep 17995 [root@TESTWAS01 extra]# [root@TESTWAS01 extra]# [root@TESTWAS01 extra]#

 

※ -p 해당 PID를 사용하는 Process가 접근중인 File 파일 확인

※ -u 해당 User이하로 생성된 Process가 접근중인 File 파일 확인