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[root@yabu ~]# systemctl status httpd
笳� httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: dis
   Active: active (running) since 譌・ 2017-02-19 00:28:32 JST; 30s ago
 Main PID: 746 (httpd)
   Status: "Total requests: 0; Idle/Busy workers 100/0;Requests/sec: 0; Bytes served/
    Tasks: 32 (limit: 4915)
   CGroup: /system.slice/httpd.service
           笏懌楳746 /usr/sbin/httpd -DFOREGROUND
           笏懌楳837 /usr/sbin/httpd -DFOREGROUND
           笏懌楳838 /usr/sbin/httpd -DFOREGROUND
           笏懌楳839 /usr/sbin/httpd -DFOREGROUND
           笏懌楳840 /usr/sbin/httpd -DFOREGROUND
           笏披楳848 /usr/sbin/httpd -DFOREGROUND

 2譛� 19 00:28:31 localhost.localdomain systemd[1]: Starting The Apache HTTP Server...
 2譛� 19 00:28:32 localhost.localdomain httpd[746]: AH00558: httpd: Could not reliably 
 2譛� 19 00:28:32 localhost.localdomain systemd[1]: Started The Apache HTTP Server.

httpd縺ョPID縺後o縺九▲縺溘€よャ。縺ォproc繧定ェソ縺ケ縺溘€�------------------------------------------

[root@yabu ~]# ls -lv /proc/746/fd
蜷郁ィ� 0
lr-x------. 1 root root 64  2譛� 19 00:28 0 -> /dev/null
lrwx------. 1 root root 64  2譛� 19 00:28 1 -> 'socket:[19181]'
l-wx------. 1 root root 64  2譛� 19 00:28 2 -> /var/log/httpd/error_log
lrwx------. 1 root root 64  2譛� 19 00:28 3 -> 'socket:[19898]'
lrwx------. 1 root root 64  2譛� 19 00:28 4 -> 'socket:[19899]'
lr-x------. 1 root root 64  2譛� 19 00:28 5 -> 'pipe:[20017]'
l-wx------. 1 root root 64  2譛� 19 00:28 6 -> 'pipe:[20017]'
l-wx------. 1 root root 64  2譛� 19 00:28 7 -> /var/log/httpd/access_log

[root@yabu ~]# ls -lv /proc/837/fd
蜷郁ィ� 0
lr-x------. 1 root root 64  2譛� 19 00:32 0 -> /dev/null
lrwx------. 1 root root 64  2譛� 19 00:32 1 -> 'socket:[19181]'
l-wx------. 1 root root 64  2譛� 19 00:32 2 -> /var/log/httpd/error_log
lrwx------. 1 root root 64  2譛� 19 00:32 3 -> 'socket:[19898]'
lrwx------. 1 root root 64  2譛� 19 00:32 4 -> 'socket:[19899]'
lr-x------. 1 root root 64  2譛� 19 00:32 5 -> 'pipe:[20017]'
l-wx------. 1 root root 64  2譛� 19 00:32 6 -> 'pipe:[20017]'
l-wx------. 1 root root 64  2譛� 19 00:32 7 -> /var/log/httpd/access_log
lrwx------. 1 root root 64  2譛� 19 00:32 8 -> 'socket:[20137]'
lrwx------. 1 root root 64  2譛� 19 00:32 9 -> 'anon_inode:[eventpoll]'

縺昴�莉悶b螳溯。後@縺溘′縲�837縺ィ蜷梧ァ倥�螳溯。檎オ先棡縺悟セ励i繧後◆縲�

笳� mariadb.service - MariaDB 10.1 database server
   Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: d
   Active: active (running) since 譌・ 2017-02-19 00:28:33 JST; 6min ago
  Process: 961 ExecStartPost=/usr/libexec/mysql-check-upgrade (code=exited, status=0/
  Process: 775 ExecStartPre=/usr/libexec/mysql-prepare-db-dir %n (code=exited, status
  Process: 721 ExecStartPre=/usr/libexec/mysql-check-socket (code=exited, status=0/SU
 Main PID: 832 (mysqld)
   Status: "Taking your SQL requests now..."
    Tasks: 26 (limit: 4915)
   CGroup: /system.slice/mariadb.service
           笏披楳832 /usr/libexec/mysqld --basedir=/usr

mariaDB縺ョPID縺�832縺ァ縺ゅk縺薙→縺後o縺九▲縺溘€よャ。縺ォproc繧定ェソ縺ケ縺溘€�------------------------------------------
[root@yabu ~]# ls -lv /proc/832/fd
蜷郁ィ� 0
lr-x------. 1 mysql mysql 64  2譛� 19 00:28 0 -> /dev/null
l-wx------. 1 mysql mysql 64  2譛� 19 00:28 1 -> /var/log/mariadb/mariadb.log
l-wx------. 1 mysql mysql 64  2譛� 19 00:28 2 -> /var/log/mariadb/mariadb.log
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 3 -> /var/lib/mysql/aria_log_control
lr-x------. 1 mysql mysql 64  2譛� 19 00:28 4 -> /var/lib/mysql
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 5 -> /var/lib/mysql/aria_log.00000001
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 6 -> /var/lib/mysql/ibdata1
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 7 -> '/var/tmp/ibleWKdv (deleted)'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 8 -> '/var/tmp/ib26fNJ3 (deleted)'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 9 -> '/var/tmp/ibL2QPfC (deleted)'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 10 -> '/var/tmp/ibc9EUoJ (deleted)'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 11 -> /var/lib/mysql/ib_logfile0
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 12 -> /var/lib/mysql/ib_logfile1
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 13 -> /var/lib/mysql/mysql/gtid_slave_pos.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 14 -> '/var/tmp/ibNHgs5h (deleted)'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 15 -> /var/lib/mysql/mysql/innodb_index_stats.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 16 -> /var/lib/mysql/mysql/innodb_table_stats.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 17 -> /var/lib/mysql/wordpress/wp_commentmeta.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 18 -> /var/lib/mysql/wordpress/wp_comments.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 19 -> /var/lib/mysql/wordpress/wp_links.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 20 -> /var/lib/mysql/wordpress/wp_options.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 21 -> /var/lib/mysql/wordpress/wp_postmeta.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 22 -> /var/lib/mysql/wordpress/wp_posts.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 23 -> /var/lib/mysql/wordpress/wp_term_relationships.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 24 -> /var/lib/mysql/wordpress/wp_term_taxonomy.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 25 -> /var/lib/mysql/wordpress/wp_terms.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 26 -> /var/lib/mysql/wordpress/wp_usermeta.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 27 -> /var/lib/mysql/wordpress/wp_users.ibd
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 28 -> /var/lib/mysql/tc.log
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 29 -> /var/lib/mysql/mysql/servers.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 30 -> /var/lib/mysql/mysql/servers.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 31 -> 'socket:[20702]'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 32 -> 'socket:[20703]'
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 33 -> /var/lib/mysql/mysql/user.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 34 -> /var/lib/mysql/mysql/user.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 35 -> /var/lib/mysql/mysql/db.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 36 -> /var/lib/mysql/mysql/db.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 37 -> /var/lib/mysql/mysql/host.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 38 -> /var/lib/mysql/mysql/host.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 39 -> /var/lib/mysql/mysql/proxies_priv.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 40 -> /var/lib/mysql/mysql/proxies_priv.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 41 -> /var/lib/mysql/mysql/roles_mapping.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 42 -> /var/lib/mysql/mysql/roles_mapping.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 43 -> /var/lib/mysql/mysql/tables_priv.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 44 -> /var/lib/mysql/mysql/tables_priv.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 45 -> /var/lib/mysql/mysql/columns_priv.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 46 -> /var/lib/mysql/mysql/columns_priv.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 47 -> /var/lib/mysql/mysql/procs_priv.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 48 -> /var/lib/mysql/mysql/procs_priv.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 49 -> /var/lib/mysql/mysql/event.MYI
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 50 -> /var/lib/mysql/mysql/event.MYD
lrwx------. 1 mysql mysql 64  2譛� 19 00:28 51 -> /var/lib/mysql/multi-master.info