* ネームサーバーパック [#p7dcba91]

#contents

** コントロールパネル [#d14f781b]

#ref(cpanel_bind.png);


** 状態 [#z828380f]

 # uname -a
 Linux v317.vir.kagoya.net 2.6.18-194.17.1.el5.028stab070.7 #1 SMP Fri Oct 1 14:17:14 MSD 2010 x86_64 x86_64 x86_64 GNU/Linux


 # cat /etc/redhat-release
 CentOS release 5.5 (Final)


 # df -h
 Filesystem          サイズ  使用  残り 使用% マウント位置
 /dev/simfs             50G  453M   50G   1% /
 none                  512M  4.0K  512M   1% /dev


 # ps auxww
  USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
  root         1  0.0  0.0  10352   736 ?        Ss   21:33   0:00 init [3]
  root      1384  0.0  0.0  12608   676 ?        S<s  21:33   0:00 /sbin/udevd -d
  root      1672  0.0  0.0   5912   620 ?        Ss   21:33   0:00 syslogd -m 0
  root      1683  0.0  0.1  62628  1212 ?        Ss   21:33   0:00 /usr/sbin/sshd
  root      1692  0.0  0.0  21648   892 ?        Ss   21:33   0:00 xinetd -stayalive -pidfile /var/run/xinetd.pid
  root      1700  0.0  0.1  20868  1164 ?        Ss   21:33   0:00 crond
  root      1708  0.0  0.0  46740   808 ?        Ss   21:33   0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
  root      1709  0.0  0.0  46740   548 ?        S    21:33   0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2


 # ifconfig -a
 lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
 
 venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
           inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0  Mask:255.255.255.255
           UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1
           RX packets:394 errors:0 dropped:0 overruns:0 frame:0
           TX packets:283 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:32319 (31.5 KiB)  TX bytes:47938 (46.8 KiB)
 
 venet0:0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
           inet addr:203.142.212.XXX  P-t-P:203.142.212.XXX  Bcast:203.142.212.XXX  Mask:255.255.255.255
           UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1
 

** リソース [#b9a63868]

 # cat /proc/user_beancounters
 Version: 2.5
        uid  resource                     held              maxheld              barrier                limit              failcnt
       246:  kmemsize                  1839395              2526454             89992156             98991371                    0
             lockedpages                     0                    0                 4394                 4394                    0
             privvmpages                  3440                19984               262144               262144                    0
             shmpages                      641                  657               106597               106597                    0
             dummy                           0                    0                    0                    0                    0
             numproc                        11                   19                 2196                 2196                    0
             physpages                    1819                 3423                    0  9223372036854775807                    0
             vmguarpages                     0                    0               131072               131072                    0
             oomguarpages                 1819                 3423               177663  9223372036854775807                    0
             numtcpsock                      2                    8                 2196                 2196                    0
             numflock                        3                    4                 1000                 1100                    0
             numpty                          1                    1                   80                   80                    0
             numsiginfo                      0                    2                 1024                 1024                    0
             tcpsndbuf                   38456                38456             21002569             29997385                    0
             tcprcvbuf                   32768                    0             21002569             29997385                    0
             othersockbuf                 6984                14808             10501284             19496100                    0
             dgramrcvbuf                     0                 8472             10501284             10501284                    0
             numothersock                    8                   12                 2196                 2196                    0
             dcachesize                      0                    0             19648869             20238336                    0
             numfile                       307                  496                35136                35136                    0
             dummy                           0                    0                    0                    0                    0
             dummy                           0                    0                    0                    0                    0
             dummy                           0                    0                    0                    0                    0
             numiptent                      10                   10                  100                  100                    0


 # free
              total       used       free     shared    buffers     cached
 Mem:       1048576      13752    1034824          0          0          0
 -/+ buffers/cache:      13752    1034824
 Swap:            0          0          0


 # cat /proc/cpuinfo
 processor       : 0
 vendor_id       : GenuineIntel
 cpu family      : 6
 model           : 44
 model name      : Intel(R) Xeon(R) CPU           E5630  @ 2.53GHz
 stepping        : 2
 cpu MHz         : 1266.746
 cache size      : 12288 KB
 physical id     : 1
 siblings        : 8
 core id         : 0
 cpu cores       : 4
 apicid          : 32
 fpu             : yes
 fpu_exception   : yes
 cpuid level     : 11
 wp              : yes
 flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx pdpe1gb rdtscp lm constant_tsc ida nonstop_tsc arat pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr sse4_1 sse4_2 popcnt lahf_lm
 bogomips        : 5066.98
 clflush size    : 64
 cache_alignment : 64
 address sizes   : 40 bits physical, 48 bits virtual
 power management: [8]
 
 processor       : 1
 vendor_id       : GenuineIntel
 cpu family      : 6
 model           : 44
 model name      : Intel(R) Xeon(R) CPU           E5630  @ 2.53GHz
 stepping        : 2
 cpu MHz         : 1266.746
 cache size      : 12288 KB
 physical id     : 0
 siblings        : 8
 core id         : 0
 cpu cores       : 4
 apicid          : 0
 fpu             : yes
 fpu_exception   : yes
 cpuid level     : 11
 wp              : yes
 flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx pdpe1gb rdtscp lm constant_tsc ida nonstop_tsc arat pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr sse4_1 sse4_2 popcnt lahf_lm
 bogomips        : 5066.73
 clflush size    : 64
 cache_alignment : 64
 address sizes   : 40 bits physical, 48 bits virtual
 power management: [8]


 # cat /proc/meminfo
 MemTotal:      1048576 kB
 MemFree:       1034816 kB
 Buffers:             0 kB
 Cached:              0 kB
 SwapCached:          0 kB
 Active:              0 kB
 Inactive:            0 kB
 HighTotal:           0 kB
 HighFree:            0 kB
 LowTotal:      1048576 kB
 LowFree:       1034816 kB
 SwapTotal:           0 kB
 SwapFree:            0 kB
 Dirty:               0 kB
 Writeback:           0 kB
 AnonPages:           0 kB
 Mapped:              0 kB
 Slab:                0 kB
 PageTables:          0 kB
 NFS_Unstable:        0 kB
 Bounce:              0 kB
 CommitLimit:         0 kB
 Committed_AS:        0 kB
 VmallocTotal:        0 kB
 VmallocUsed:         0 kB
 VmallocChunk:        0 kB
 HugePages_Total:     0
 HugePages_Free:      0
 HugePages_Rsvd:      0
 Hugepagesize:     2048 kB


** サービス状態 [#q0d9cc51]

 # chkconfig --list
 crond           0:off   1:off   2:on    3:on    4:on    5:on    6:off
 gpm             0:off   1:off   2:on    3:off   4:on    5:on    6:off
 iptables        0:off   1:off   2:on    3:on    4:on    5:on    6:off
 lm_sensors      0:off   1:off   2:on    3:off   4:on    5:on    6:off
 lvm2-monitor    0:off   1:on    2:on    3:off   4:on    5:on    6:off
 mcstrans        0:off   1:off   2:on    3:off   4:on    5:on    6:off
 messagebus      0:off   1:off   2:off   3:off   4:on    5:on    6:off
 multipathd      0:off   1:off   2:off   3:off   4:off   5:off   6:off
 named           0:off   1:off   2:off   3:off   4:off   5:off   6:off
 netconsole      0:off   1:off   2:off   3:off   4:off   5:off   6:off
 netfs           0:off   1:off   2:off   3:off   4:on    5:on    6:off
 netplugd        0:off   1:off   2:off   3:off   4:off   5:off   6:off
 network         0:off   1:off   2:on    3:on    4:on    5:on    6:off
 nscd            0:off   1:off   2:off   3:off   4:off   5:off   6:off
 portmap         0:off   1:off   2:off   3:off   4:on    5:on    6:off
 rawdevices      0:off   1:off   2:off   3:off   4:on    5:on    6:off
 rdisc           0:off   1:off   2:off   3:off   4:off   5:off   6:off
 restorecond     0:off   1:off   2:on    3:off   4:on    5:on    6:off
 saslauthd       0:off   1:off   2:off   3:on    4:off   5:off   6:off
 snmpd           0:off   1:off   2:off   3:off   4:off   5:off   6:off
 snmptrapd       0:off   1:off   2:off   3:off   4:off   5:off   6:off
 sshd            0:off   1:off   2:on    3:on    4:on    5:on    6:off
 syslog          0:off   1:off   2:on    3:on    4:on    5:on    6:off
 xinetd          0:off   1:off   2:off   3:on    4:on    5:on    6:off
 
 xinetd ベースのサービス:
         chargen-dgram:  off
         chargen-stream: off
         daytime-dgram:  off
         daytime-stream: off
         discard-dgram:  off
         discard-stream: off
         echo-dgram:     off
         echo-stream:    off
         finger:         off
         ntalk:          off
         rsync:          off
         talk:           off
         tcpmux-server:  off
         time-dgram:     off
         time-stream:    off


** インストール済みパッケージ [#e5ff4d9a]

 # rpm -qa
 filesystem-2.4.0-3.el5
 cracklib-dicts-2.8.9-3.3
 mktemp-1.5-23.2.2
 libstdc++-4.1.2-48.el5
 libtermcap-2.0.8-46.1
 libsepol-1.15.2-3.el5
 libcap-1.10-26
 libidn-0.6.5-1.1
 diffutils-2.8.1-15.2.3.el5
 pcre-6.6-2.el5_1.7
 libsysfs-2.0.0-6
 elfutils-libs-0.137-3.el5
 cpio-2.6-23.el5_4.1
 m4-1.4.5-3.el5.1
 iputils-20020927-46.el5
 ncurses-5.5-24.20060715
 file-4.17-15.el5_3.1
 sgpio-1.2.0_10-2.el5
 aspell-0.60.3-7.1
 elfutils-0.137-3.el5
 rsync-2.6.8-3.1
 ed-0.2-39.el5_2
 iptables-1.3.5-5.3.el5_4.1
 traceroute-2.0.1-5.el5
 vzdummy-apache-1.0-1.swsoft
 e2fsprogs-libs-1.39-23.el5
 device-mapper-1.02.39-1.el5_5.2
 pam-0.99.6.2-6.el5_4.1
 bind-libs-9.3.6-4.P1.el5_4.2
 audit-libs-python-1.7.17-3.el5
 m2crypto-0.16-6.el5.6
 usermode-1.88-3.el5.2
 libselinux-utils-1.33.4-5.5.el5
 screen-4.0.3-1.el5_4.1
 vzdev-1.0-7.swsoft
 bind-utils-9.3.6-4.P1.el5_4.2
 vzdummy-glibc-1.0-1.swsoft
 libutempter-1.1.4-4.el5
 vim-enhanced-7.0.109-6.el5
 dbus-libs-1.1.2-14.el5
 yum-3.2.22-26.el5.centos
 xinetd-2.3.14-10.el5
 vixie-cron-4.1-77.el5_4.1
 caching-nameserver-9.3.6-4.P1.el5_4.2
 curl-7.15.5-9.el5
 setup-2.5.58-7.el5
 mailcap-2.1.23-1.fc6
 chkconfig-1.3.30.2-2.el5
 glib2-2.12.3-4.el5_3.1
 info-4.8-14.el5
 elfutils-libelf-0.137-3.el5
 libacl-2.2.39-6.el5
 cyrus-sasl-lib-2.1.22-5.el5_4.3
 libsepol-1.15.2-3.el5
 libjpeg-6b-37
 hesiod-3.1.0-8
 perl-Convert-ASN1-0.20-1.1
 libidn-0.6.5-1.1
 gpm-1.20.1-74.1
 crontabs-1.10-8
 lm_sensors-2.10.7-9.el5
 libstdc++-4.1.2-48.el5
 aspell-en-6.0-2.1
 jwhois-3.2.3-8.el5
 make-3.81-3.el5
 unzip-5.52-3.el5
 finger-0.17-32.2.1.1
 rootfiles-8.1-1.1.1
 libselinux-1.33.4-5.5.el5
 passwd-0.73-1
 yum-metadata-parser-1.1.2-3.el5.centos
 libsemanage-1.9.1-4.4.el5
 device-mapper-event-1.02.39-1.el5_5.2
 util-linux-2.13-0.52.el5_4.1
 tar-1.15.1-30.el5
 which-2.16-7
 man-1.6d-1.1
 tcsh-6.14-17.el5
 tcpdump-3.9.4-15.el5
 lynx-2.8.5-28.1.el5_2.1
 dmraid-1.0.0.rc13-63.el5
 dmraid-events-1.0.0.rc13-63.el5
 e2fsprogs-libs-1.39-23.el5
 libselinux-1.33.4-5.5.el5
 e2fsprogs-1.39-23.el5
 bind-9.3.6-4.P1.el5_4.2
 finger-server-0.17-32.2.1.1
 tzdata-2010l-1.el5
 glibc-2.5-49.el5_5.7
 nss-3.12.8-1.el5.centos
 lvm2-2.02.56-8.el5_5.6
 device-mapper-multipath-0.4.7-34.el5_5.6
 udev-095-14.21.el5_5.1
 nash-5.1.19.6-61.el5_5.2
 dhclient-3.0.5-23.el5_5.2
 krb5-libs-1.6.1-36.el5_5.5
 openldap-2.3.43-12.el5_5.2
 expat-1.95.8-8.3.el5_5.3
 perl-5.8.8-32.el5_5.2
 libpng-1.2.10-7.1.el5_5.3
 openssh-clients-4.3p2-41.el5_5.1
 libsmbclient-3.0.33-3.29.el5_5.1
 bzip2-1.0.3-6.el5_5
 rpm-4.4.2.3-20.el5_5.1
 module-init-tools-3.3-0.pre3.1.60.el5_5.1
 bind-chroot-9.3.6-4.P1.el5_4.2
 libgcc-4.1.2-48.el5
 centos-release-notes-5.5-0
 zlib-1.2.3-3
 audit-libs-1.7.17-3.el5
 tcp_wrappers-7.6-40.7.el5
 ncurses-5.5-24.20060715
 readline-5.1-3.el5
 gawk-3.1.5-14.el5
 libattr-2.4.32-1.1
 gzip-1.3.5-11.el5.centos.1
 libgpg-error-1.4-2
 zlib-1.2.3-3
 gnutls-1.4.1-3.el5_4.8
 hmaccalc-0.9.6-3.el5
 binutils-2.17.50.0.6-14.el5
 procmail-3.22-17.1.el5.centos
 centos-release-5-5.el5.centos
 libusb-0.1.12-5.1
 dmidecode-2.10-3.el5
 slang-2.0.6-4.el5
 aspell-0.60.3-7.1
 time-1.7-27.2.2
 telnet-0.17-39.el5
 slang-2.0.6-4.el5
 mailx-8.1.1-44.2.2
 vzdummy-kernel-el5-2.0-1.ce.swsoft
 shadow-utils-4.0.17-15.el5
 coreutils-5.97-23.el5_4.2
 newt-0.52.2-15.el5
 libuser-0.54.7-2.1.el5_4.1
 net-snmp-5.3.2.2-9.el5_5.1
 python-elementtree-1.2.6-5
 python-sqlite-1.1.7-1.2.1
 SysVinit-2.86-15.el5
 net-tools-1.60-81.el5
 cracklib-2.8.9-3.3
 setuptool-1.19.2-1.el5.centos
 net-snmp-utils-5.3.2.2-9.el5_5.1
 ntsysv-1.3.30.2-2.el5
 mlocate-0.15-1.el5.2
 stunnel-4.15-2.el5.1
 fipscheck-lib-1.2.0-1.el5
 yum-fastestmirror-1.1.16-14.el5.centos.1
 initscripts-8.45.30-2.el5.centos
 mcstrans-0.2.11-3.el5
 curl-7.15.5-9.el5
 cyrus-sasl-2.1.22-5.el5_4.3
 quota-3.13-1.2.5.el5
 libgcc-4.1.2-48.el5
 basesystem-8.0-5.1.1.el5.centos
 termcap-5.5-1.20060701.1
 bash-3.2-24.el5
 sed-4.1.5-5.fc6
 sqlite-3.3.6-5
 gdbm-1.8.0-26.2.1
 less-436-2.el5
 grep-2.5.1-55.el5
 keyutils-libs-1.2-1.el5
 libgcrypt-1.4.4-5.el5
 vim-common-7.0.109-6.el5
 groff-1.18.1.1-11.1
 procps-3.2.7-16.el5
 iproute-2.6.18-11.el5
 keyutils-libs-1.2-1.el5
 mingetty-1.07-5.2.2
 ethtool-6-4.el5
 sharutils-4.6.1-2
 ftp-0.17-35.el5
 talk-0.17-29.2.2
 vzdummy-jre-el5-1.0-1.swsoft
 ncompress-4.2.4-47
 man-pages-2.39-15.el5_4
 openssl-0.9.8e-12.el5_4.6
 findutils-4.2.27-6.el5
 python-2.4.3-27.el5
 psmisc-22.2-7
  net-snmp-libs-5.3.2.2-9.el5_5.1
  python-iniparse-0.2.3-4.el5
  libselinux-python-1.33.4-5.5.el5
 python-urlgrabber-3.1.0-5.el5
 MAKEDEV-3.23-1.2
 libutempter-1.1.4-4.el5
 vim-minimal-7.0.109-6.el5
 authconfig-5.3.21-6.el5
 tmpwatch-2.9.7-1.1.el5.2
 wget-1.11.4-2.el5_4.1
 lsof-4.78-3
 dbus-1.1.2-14.el5
 fipscheck-1.2.0-1.el5
 policycoreutils-1.33.12-14.8.el5
 openssl-0.9.8e-12.el5_4.6
 sysklogd-1.4.1-46.el5
 talk-server-0.17-29.2.2
 portmap-4.0-65.2.2.1
 device-mapper-1.02.39-1.el5_5.2
 gpg-pubkey-e8562897-459f07a4
 glibc-common-2.5-49.el5_5.7
 nspr-4.8.6-1.el5_5
 popt-1.10.2.3-20.el5_5.1
 kpartx-0.4.7-34.el5_5.6
 logrotate-3.7.4-9.el5_5.1
 libxml2-2.6.26-2.1.2.8.el5_5.1
 nscd-2.5-49.el5_5.7
 glibc-2.5-49.el5_5.7
 bzip2-libs-1.0.3-6.el5_5
 db4-4.3.29-10.el5_5.2
 apr-1.2.7-11.el5_5.2
 openssh-4.3p2-41.el5_5.1
 libtiff-3.8.2-7.el5_5.5
 krb5-libs-1.6.1-36.el5_5.5
 openssh-server-4.3p2-41.el5_5.1
 gnupg-1.4.5-14.el5_5.1
 sudo-1.7.2p1-9.el5_5
 rpm-libs-4.4.2.3-20.el5_5.1
 mkinitrd-5.1.19.6-61.el5_5.2
 rpm-python-4.4.2.3-20.el5_5.1


** 初期状態のログ [#d54d1ead]

 # cat /var/log/messages
 Oct 27 18:22:03 vps01 shutdown[32639]: shutting down for system halt
 Oct 27 13:22:03 vps01 init: Switching to runlevel: 0
 Oct 27 13:22:03 vps01 saslauthd[32311]: server_exit     : master exited: 32311
 Oct 27 13:22:03 vps01 xinetd[32295]: Exiting...
 Oct 27 13:22:04 vps01 exiting on signal 15


** ベンチマーク [#mb54aef9]

 # dd if=/dev/zero of=/test bs=512k count=40960
 40960+0 records in
 40960+0 records out
 21474836480 bytes (21 GB) copied, 29.839 seconds, 720 MB/s

あてになんない(笑)


** BINDについて [#ldab7c76]

BINDがインストールされており、初期状態では自動起動しない設定となっている。

 # chkconfig --list |grep named
 named           0:off   1:off   2:off   3:off   4:off   5:off   6:off


 # rpm -qa |grep bind
 bind-libs-9.3.6-4.P1.el5_4.2
 bind-utils-9.3.6-4.P1.el5_4.2
 bind-9.3.6-4.P1.el5_4.2
 bind-chroot-9.3.6-4.P1.el5_4.2

上記のことからchrootで動くパッケージが初期でインストール済み。

 # ls -al /etc/named.*
 lrwxrwxrwx 1 root named 52 11月  8 21:31 /etc/named.caching-nameserver.conf -> /var/named/chroot//etc/named.caching-nameserver.conf
 lrwxrwxrwx 1 root named 42 11月  8 21:31 /etc/named.rfc1912.zones -> /var/named/chroot//etc/named.rfc1912.zones

 # find /var/named/ |grep -v proc
 /var/named/
 /var/named/data
 /var/named/named.ip6.local
 /var/named/chroot
 /var/named/chroot/dev
 /var/named/chroot/dev/zero
 /var/named/chroot/dev/null
 /var/named/chroot/dev/random
 /var/named/chroot/var
 /var/named/chroot/var/named
 /var/named/chroot/var/named/data
 /var/named/chroot/var/named/data/named_mem_stats.txt
 /var/named/chroot/var/named/data/named.run
 /var/named/chroot/var/named/named.ip6.local
 /var/named/chroot/var/named/named.zero
 /var/named/chroot/var/named/slaves
 /var/named/chroot/var/named/named.local
 /var/named/chroot/var/named/localhost.zone
 /var/named/chroot/var/named/localdomain.zone
 /var/named/chroot/var/named/named.broadcast
 /var/named/chroot/var/named/named.ca
 /var/named/chroot/var/run
 /var/named/chroot/var/run/named
 /var/named/chroot/var/run/dbus
 /var/named/chroot/var/tmp
 /var/named/chroot/var/log
 /var/named/chroot/etc
 /var/named/chroot/etc/rndc.key
 /var/named/chroot/etc/named.caching-nameserver.conf
 /var/named/chroot/etc/named.rfc1912.zones
 /var/named/chroot/etc/localtime
 /var/named/named.zero
 /var/named/slaves
 /var/named/named.local
 /var/named/localhost.zone
 /var/named/localdomain.zone
 /var/named/named.broadcast
 /var/named/named.ca


 # ps auxw |grep name
 named    28502  0.0  0.3  98872  3956 ?        Ssl  22:24   0:00 /usr/sbin/named -u named -c /etc/named.caching-nameserver.conf -t /var/named/chroot


named.conf が提供されていないというか、デフォルトでは存在しないので、キャッシュサーバとして動作するようになっている。


必要な設定をした後、

 # chkconfig named on

として、自動起動するように設定すれば良い。

named.conf の書き方については特に触れない。

添付ファイル: filecpanel_bind.png 327件 [詳細]
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