ps aux
mysql 10191 1.6 17.4 436288 180536 ? S 11:01 0:08 /usr/local/mysql/
apache 10220 0.0 0.4 33244 4880 ? S 11:02 0:00 /www/apache2/bin/
apache 10226 0.1 0.5 33184 5748 ? S 11:02 0:00 /www/apache2/bin/
mysql 10243 0.1 17.4 436288 180536 ? S 11:03 0:00 /usr/local/mysql/
mysql 10247 0.1 17.4 436288 180536 ? S 11:03 0:00 /usr/local/mysql/
mysql 10249 0.0 17.4 436288 180536 ? S 11:03 0:00 /usr/local/mysql/
mysql 10251 0.1 17.4 436288 180536 ? S 11:03 0:00 /usr/local/mysql/
apache 10258 0.0 0.6 33500 6976 ? S 11:04 0:00 /www/apache2/bin/
apache 10267 0.1 0.8 34596 8412 ? S 11:04 0:00 /www/apache2/bin/
apache 10283 0.0 0.4 32816 4200 ? S 11:04 0:00 /www/apache2/bin/
apache 10292 0.0 0.3 32792 3912 ? S 11:04 0:00 /www/apache2/bin/
apache 10298 0.0 0.6 33364 6588 ? S 11:04 0:00 /www/apache2/bin/
apache 10315 0.1 0.6 33432 6676 ? S 11:06 0:00 /www/apache2/bin/
mysql 10318 2.0 17.4 436288 180536 ? S 11:06 0:03 /usr/local/mysql/
apache 10319 0.0 0.3 32792 3948 ? S 11:06 0:00 /www/apache2/bin/
apache 10325 0.0 0.4 32920 4616 ? S 11:06 0:00 /www/apache2/bin/
apache 10326 0.0 0.5 33312 5444 ? S 11:06 0:00 /www/apache2/bin/
apache 10328 0.0 0.5 33120 5304 ? S 11:06 0:00 /www/apache2/bin/
apache 10332 0.0 0.6 33324 6244 ? S 11:06 0:00 /www/apache2/bin/
apache 10337 0.0 0.5 33272 5796 ? S 11:06 0:00 /www/apache2/bin/
apache 10342 0.0 0.4 33224 4632 ? S 11:06 0:00 /www/apache2/bin/
apache 10346 0.0 0.6 33352 6784 ? S 11:06 0:00 /www/apache2/bin/
apache 10347 0.2 0.0 0 0 ? Z 11:06 0:00 [httpd]
apache 10353 0.0 0.3 32792 3760 ? S 11:07 0:00 /www/apache2/bin/
mysql 10354 0.4 17.4 436288 180536 ? S 11:07 0:00 /usr/local/mysql/
mysql 10355 0.0 17.4 436288 180536 ? S 11:07 0:00 /usr/local/mysql/
ps lax
5 48 10488 2312 16 0 33264 5848 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10489 2312 15 0 33136 6576 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10493 2312 16 0 32792 3776 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10494 2312 16 0 33444 6724 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10499 2312 16 0 33084 5188 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10501 2312 15 0 33232 5052 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10507 2312 16 0 33248 6304 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10508 2312 16 0 32888 4448 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10511 2312 16 0 33408 6616 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10512 2312 15 0 33404 6364 - S ? 0:00 /www/apache2/bin/httpd -k start
1 27 10518 2236 17 0 437072 180704 - S ? 0:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql
1 27 10519 2236 16 0 437072 180704 rt_sig S ? 0:01 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql
5 48 10521 2312 15 0 33016 4924 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10522 2312 16 0 32868 4780 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10523 2312 16 0 33124 5636 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10525 2312 16 0 33148 5440 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10526 2312 15 0 32880 4272 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10529 2312 16 0 33016 4672 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10535 2312 15 0 33304 5460 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10562 2312 16 0 32904 4340 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10563 2312 16 0 33112 4936 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10564 2312 16 0 33084 4656 - S ? 0:00 /www/apache2/bin/httpd -k start
5 48 10565 2312 16 0 33288 5676 - S ? 0:00 /www/apache2/bin/httpd -k start
ps -ef
root 2138 1 0 Jul19 ? 00:00:06 sendmail: accepting connections
smmsp 2146 1 0 Jul19 ? 00:00:00 sendmail: Queue for /var/spool/clientmqueue
root 2156 1 0 Jul19 ? 00:00:09 crond
root 2165 1 0 Jul19 ? 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/www/mysql --pid-file=/www
root 2204 1 0 Jul19 ? 00:00:00 /usr/sbin/atd
mysql 2212 2165 0 Jul19 ? 00:07:12 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
dbus 2218 1 0 Jul19 ? 00:00:00 dbus-daemon-1 --system
root 2227 1 0 Jul19 ? 00:20:03 hald
mysql 2236 2212 0 Jul19 ? 00:00:24 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2237 2236 0 Jul19 ? 00:00:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2238 2236 0 Jul19 ? 00:00:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2239 2236 0 Jul19 ? 00:00:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2240 2236 0 Jul19 ? 00:00:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2306 2236 0 Jul19 ? 00:00:27 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2307 2236 0 Jul19 ? 00:00:22 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2308 2236 0 Jul19 ? 00:00:00 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 2309 2236 0 Jul19 ? 00:02:58 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
root 2312 1 0 Jul19 ? 00:04:50 /www/apache2/bin/httpd -k start
root 2314 1 0 Jul19 tty1 00:00:00 /sbin/mingetty tty1
root 2315 1 0 Jul19 tty2 00:00:00 /sbin/mingetty tty2
root 2316 1 0 Jul19 tty3 00:00:00 /sbin/mingetty tty3
root 2317 1 0 Jul19 tty4 00:00:00 /sbin/mingetty tty4
root 2318 1 0 Jul19 tty5 00:00:00 /sbin/mingetty tty5
root 2319 1 0 Jul19 tty6 00:00:00 /sbin/mingetty tty6
mysql 881 2236 0 01:53 ? 00:01:41 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
mysql 8393 2236 0 09:55 ? 00:00:16 /usr/local/mysql/libexec/mysqld --basedir=/usr/local/mysql --datadir=/www/mys
root 8768 7 0 10:03 ? 00:00:00 [pdflush]
root 8792 7 0 10:04 ? 00:00:00 [pdflush]
fuser:藉由檔案(或檔案系統)找出正在使用該檔案的程序:
root@www ~]# fuser [-umv] [-k [i] [-signal]] file/dir
選項與參數:
-u :除了程序的 PID 之外,同時列出該程序的擁有者;
-m :後面接的那個檔名會主動的上提到該檔案系統的最頂層,對 umount 不成功很有效!
-v :可以列出每個檔案與程序還有指令的完整相關性!
-k :找出使用該檔案/目錄的 PID ,並試圖以 SIGKILL 這個訊號給予該 PID;
-i :必須與 -k 配合,在刪除 PID 之前會先詢問使用者意願!
-signal:例如 -1 -15 等等,若不加的話,預設是 SIGKILL (-9) 囉!
範例一:找出目前所在目錄的使用 PID/所屬帳號/權限 為何?
[root@www ~]# fuser -uv .
USER PID ACCESS COMMAND
.: root 20639 ..c.. (root)bash
範例二:找到所有使用到 /proc 這個檔案系統的程序吧!
USER PID ACCESS COMMAND
/proc root 10858 f.... fuser
root kernel mount /proc
root kernel mount /proc
[root@shanghai /]# fuser -muv /proc
USER PID ACCESS COMMAND
/proc root 1987 f.... klogd
root 2054 f.... acpid
root 10883 f.c.. fuser
root kernel mount /proc/bus/usb
ps -fp "1987 2054 10883"
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