lsof
lsof -h #查看帮助
lsof 4.82 latest revision: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/ latest FAQ: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/FAQ latest man page: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_man usage: [-?abhlnNoOPRtUvVX] [+|-c c] [+|-d s] [+D D] [+|-f[gG]] [+|-e s] [-F [f]] [-g [s]] [-i [i]] [+|-L [l]] [+m [m]] [+|-M] [-o [o]] [-p s] [+|-r [t]] [-s [p:s]] [-S [t]] [-T [t]] [-u s] [+|-w] [-x [fl]] [--] [names] Defaults in parentheses; comma-separated set (s) items; dash-separated ranges. -?|-h list help -a AND selections (OR) -b avoid kernel blocks -c c cmd c ^c /c/[bix] +c w COMMAND width (9) +d s dir s files -d s select by FD set +D D dir D tree *SLOW?* +|-e s exempt s *RISKY* -i select IPv[46] files -l list UID numbers -n no host names -N select NFS files -o list file offset -O avoid overhead *RISKY* -P no port names -R list paRent PID -s list file size -t terse listing -T disable TCP/TPI info -U select Unix socket -v list version info -V verbose search +|-w Warnings (+) -X skip TCP&UDP* files -Z Z context [Z] -- end option scan +f|-f +filesystem or -file names +|-f[gG] flaGs -F [f] select fields; -F? for help +|-L [l] list (+) suppress (-) link counts < l (0 = all; default = 0) +m [m] use|create mount supplement +|-M portMap registration (-) -o o o 0t offset digits (8) -p s exclude(^)|select PIDs -S [t] t second stat timeout (15) -T qs TCP/TPI Q,St (s) info -g [s] exclude(^)|select and print process group IDs -i i select by IPv[46] address: [46][proto][@host|addr][:svc_list|port_list] +|-r [t[m<fmt>]] repeat every t seconds (15); + until no files, - forever. An optional suffix to t is m<fmt>; m must separate t from <fmt> and <fmt> is an strftime(3) format for the marker line. -s p:s exclude(^)|select protocol (p = TCP|UDP) states by name(s). -u s exclude(^)|select login|UID set s -x [fl] cross over +d|+D File systems or symbolic Links names select named files or files on named file systems Anyone can list all files; /dev warnings disabled; kernel ID check disabled.
lsof -i #列出所有网络链接 lsof -i tcp #列出所有tcp连接 lsof -i :3306 #列出谁在使用3306端口 lsof -p 12222 #通过进程号 查看该进程打开的文件
netstat -anp|grep 3306 tcp6 0 0 :::3306 :::* LISTEN 14364/mysqld
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