¡Ø ÀÏ¹Ý »ç¿ëÀÚ °èÁ¤À¸·Î´Â ÀÚ½ÅÀÇ ÇÁ·Î¼¼½º¸¸ È®ÀÎ °¡´ÉÇÏ´Ù. ¡Ø root ·Î ÀÛ¾÷ÇÏ¸é ¸ðµç Æ÷Æ®¿¡ ´ëÇØ ¾î¶² ÇÁ·Î¼¼½º°¡ ÇØ´ç Æ÷Æ®¸¦ »ç¿ëÇÏ°í ÀÖ´ÂÁö È®ÀÎ °¡´ÉÇÏ´Ù.
-------------------------------------------------------------------- ¡Ü 9800 Æ÷Æ®¸¦ ¾î¶² ÇÁ·Î¼¼½º°¡ Àâ°í ÀÖ´ÂÁö netstat ¸í·ÉÀ¸·Î È®ÀÎÇÑ´Ù. --------------------------------------------------------------------
[root@hera ~]# netstat -tulpn | grep 9800 tcp 0 0 :::9800 :::* LISTEN 12692/java
-------------------------------------------------------------------- ¡Ü ls -l /proc/[ÇÁ·Î¼¼½º¹øÈ£]/exe °ú °°ÀÌ ÀÔ·ÂÇϸé ÇØ´ç ÇÁ·Î¼¼½ºÀÇ ½ÇÁ¦ ÆÄÀÏÀ» ¾Æ·¡¿Í °°ÀÌ º¼ ¼ö ÀÖ´Ù. --------------------------------------------------------------------
[root@hera ~]# ls -l /proc/12692/exe lrwxrwxrwx 1 zany zany 0 2015-07-20 00:25 /proc/12692/exe -> /home/zany/opt/java/jdk1.8.0_40_x64/bin/java
¡Ø netstat -tulpn ¿É¼Ç¿¡ ´ëÇÑ ¼³¸íÀº ¾Æ·¡¿Í °°´Ù.
-t, TCP -u, UDP -l, --listening Show only listening sockets. (These are omitted by default.) -p, --program Show the PID and name of the program to which each socket belongs. --numeric , -n Show numerical addresses instead of trying to determine symbolic host, port or user names.
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