UJP - 技術情報2 バックアップ : MacOSX/HigiSierra/mrtg のバックアップ差分(No.1)

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1: 2019-05-29 (水) 18:36:04 nobuaki ソース バックアップ No.1 を復元して編集
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 +*macOS High SierraでMRTGを設定 [#g65e5134]
 +**はじめに [#o2b30e71]
 +
 +　MRTGとは，マルチルータトラフィックグラファーの略．ルータのIN/OUTトラフィックをグラフ化するツールで，古典的なもの．たくさんのサーバを管理するにはZabbixなどが良いのだろうけれど，今回もシンプルに構築するので，MRTGを選んだ．
 +
 +**インストール [#j62deb34]
 +
 +　インストールはHomeBrewでおこなった．特に問題もなかった．
 +
 + $ brew info mrtg🆑
 + mrtg: stable 2.17.7 (bottled)🈁
 + Multi router traffic grapher
 + https://oss.oetiker.ch/mrtg/
 + /usr/local/Cellar/mrtg/2.17.7 (110 files, 2.4MB) *
 +   Poured from bottle on 2019-05-07 at 00:48:32
 + From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/mrtg.rb
 + ==> Dependencies
 + Required: gd ✔
 + ==> Analytics
 + install: 30 (30 days), 76 (90 days), 458 (365 days)
 + install_on_request: 26 (30 days), 69 (90 days), 381 (365 days)
 + build_error: 0 (30 days)
 + $
 +　インストールされたか，コマンドの場所を確認．
 +　まずは，mrtgコマンド．
 +
 + $ which mrtg🆑
 + /usr/local/bin/mrtg🈁
 + $
 +　そして，設定ファイルを自動的に作成してくれる，cfgmakerの場所を確認．
 + $ which cfgmaker🆑
 + /usr/local/bin/cfgmaker🈁
 + $
 +
 +**初期設定 [#m02ead7e]
 +
 +　まずは，SNMPD.CONFにあるコミュニティ名を確認．
 +
 + $ grep com2sec /etc/snmp/snmpd.conf🆑
 + com2sec local    localhost      private🈁
 + com2sec mynetwork NETWORK/24      public
 + $
 +　"private"だとわかった．
 + 　cfgmakerコマンドを指定し，privateコミュニティの初期設定を行う．
 +
 + $ cfgmaker private@localhost > mrtg.cfg🆑
 + Subroutine SNMP_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm
 + line 66.  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 149.
 + Subroutine SNMPv1_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm
 + line 66.  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 604.
 + --base: Get Device Info on private@localhost:
 + --base: Vendor Id: Unknown Vendor - 1.3.6.1.4.1.8072.3.2.255
 + --base: Populating confcache
 + --base: Get Interface Info
 + --base: Walking ifIndex
 + --snpd:  private@localhost: -> 1 -> ifIndex = 1
 + --snpd:  private@localhost: -> 2 -> ifIndex = 2
 + --snpd:  private@localhost: -> 3 -> ifIndex = 3
 + --snpd:  private@localhost: -> 4 -> ifIndex = 4
 + --snpd:  private@localhost: -> 5 -> ifIndex = 5
 + --snpd:  private@localhost: -> 6 -> ifIndex = 6
 + --snpd:  private@localhost: -> 7 -> ifIndex = 7
 + --snpd:  private@localhost: -> 8 -> ifIndex = 8
 + --snpd:  private@localhost: -> 9 -> ifIndex = 9
 + --snpd:  private@localhost: -> 10 -> ifIndex = 10
 + --snpd:  private@localhost: -> 11 -> ifIndex = 11
 + --snpd:  private@localhost: -> 12 -> ifIndex = 12
 + --base: Walking ifType
 + --snpd:  private@localhost: -> 1 -> ifType = 24
 + --snpd:  private@localhost: -> 2 -> ifType = 55
 + --snpd:  private@localhost: -> 3 -> ifType = 57
 + --snpd:  private@localhost: -> 4 -> ifType = 1
 + --snpd:  private@localhost: -> 5 -> ifType = 1
 + --snpd:  private@localhost: -> 6 -> ifType = 6
 + --snpd:  private@localhost: -> 7 -> ifType = 6
 + --snpd:  private@localhost: -> 8 -> ifType = 6
 + --snpd:  private@localhost: -> 9 -> ifType = 6
 + --snpd:  private@localhost: -> 10 -> ifType = 209
 + --snpd:  private@localhost: -> 11 -> ifType = 1
 + --snpd:  private@localhost: -> 12 -> ifType = 23
 + --base: Walking ifAdminStatus
 + --snpd:  private@localhost: -> 1 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 2 -> ifAdminStatus = 2
 + --snpd:  private@localhost: -> 3 -> ifAdminStatus = 2
 + --snpd:  private@localhost: -> 4 -> ifAdminStatus = 2
 + --snpd:  private@localhost: -> 5 -> ifAdminStatus = 2
 + --snpd:  private@localhost: -> 6 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 7 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 8 -> ifAdminStatus = 2
 + --snpd:  private@localhost: -> 9 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 10 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 11 -> ifAdminStatus = 1
 + --snpd:  private@localhost: -> 12 -> ifAdminStatus = 1
 + --base: Walking ifOperStatus
 + --snpd:  private@localhost: -> 1 -> ifOperStatus = 1
 + --snpd:  private@localhost: -> 2 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 3 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 4 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 5 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 6 -> ifOperStatus = 1
 + --snpd:  private@localhost: -> 7 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 8 -> ifOperStatus = 2
 + --snpd:  private@localhost: -> 9 -> ifOperStatus = 1
 + --snpd:  private@localhost: -> 10 -> ifOperStatus = 1
 + --snpd:  private@localhost: -> 11 -> ifOperStatus = 1
 + --snpd:  private@localhost: -> 12 -> ifOperStatus = 1
 + --base: Walking ifMtu
 + --snpd:  private@localhost: -> 1 -> ifMtu = 16384
 + --snpd:  private@localhost: -> 2 -> ifMtu = 1280
 + --snpd:  private@localhost: -> 3 -> ifMtu = 1280
 + --snpd:  private@localhost: -> 4 -> ifMtu = 0
 + --snpd:  private@localhost: -> 5 -> ifMtu = 0
 + --snpd:  private@localhost: -> 6 -> ifMtu = 1500
 + --snpd:  private@localhost: -> 7 -> ifMtu = 1500
 + --snpd:  private@localhost: -> 8 -> ifMtu = 2304
 + --snpd:  private@localhost: -> 9 -> ifMtu = 1500
 + --snpd:  private@localhost: -> 10 -> ifMtu = 1500
 + --snpd:  private@localhost: -> 11 -> ifMtu = 2000
 + --snpd:  private@localhost: -> 12 -> ifMtu = 1280
 + --base: Walking ifSpeed
 + --snpd:  private@localhost: -> 1 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 2 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 3 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 4 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 5 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 6 -> ifSpeed = 1000000000
 + --snpd:  private@localhost: -> 7 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 8 -> ifSpeed = 10000000
 + --snpd:  private@localhost: -> 9 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 10 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 11 -> ifSpeed = 0
 + --snpd:  private@localhost: -> 12 -> ifSpeed = 100000000
 + $
 +
 + 　自動作成された設定ファイルを確認．
 +
 + $ cat mrtg.cfg🆑
 + # Created by
 + # /usr/local/bin/cfgmaker private@localhost
 +
 +
 + ### Global Config Options
 +
 + #  for UNIX
 + # WorkDir: /home/http/mrtg
 +
 + #  or for NT
 + # WorkDir: c:\mrtgdata
 +
 + ### Global Defaults
 +
 + #  to get bits instead of bytes and graphs growing to the right
 + # Options[_]: growright, bits
 +
 + EnableIPv6: no
 +
 + ######################################################################
 + # System: zeus.local
 + # Description: Darwin zeus.local 17.7.0 Darwin Kernel Version 17.7.0:
 + Wed Feb 27 00:43:23 PST 2019; root:xnu-4570.71.35~1/RELEASE_X86_64 x86_64
 + # Contact: サーバ管理者メールアドレス
 + # Location: BCP
 + ######################################################################
 +
 +
 + ### Interface 1 >> Descr: 'lo0' | Name: 'lo0' | Ip: '127.0.0.1' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is a Software Loopback interface
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_1]: 1:private@localhost:
 + # SetEnv[localhost_1]: MRTG_INT_IP="127.0.0.1" MRTG_INT_DESCR="lo0"
 + # MaxBytes[localhost_1]: 0
 + # Title[localhost_1]: Traffic Analysis for 1 -- zeus.local
 + # PageTop[localhost_1]: <h1>Traffic Analysis for 1 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>サーバ管理者メールアドレス</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>lo0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>softwareLoopback (24)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>lo0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>127.0.0.1 (localhost)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 2 >> Descr: 'gif0' | Name: 'gif0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is administratively DOWN
 + ### * it is operationally DOWN
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_2]: 2:private@localhost:
 + # SetEnv[localhost_2]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="gif0"
 + # MaxBytes[localhost_2]: 0
 + # Title[localhost_2]: Traffic Analysis for 2 -- zeus.local
 + # PageTop[localhost_2]: <h1>Traffic Analysis for 2 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>gif0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>100BaseVG (55)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>gif0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 3 >> Descr: 'stf0' | Name: 'stf0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is administratively DOWN
 + ### * it is operationally DOWN
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_3]: 3:private@localhost:
 + # SetEnv[localhost_3]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="stf0"
 + # MaxBytes[localhost_3]: 0
 + # Title[localhost_3]: Traffic Analysis for 3 -- zeus.local
 + # PageTop[localhost_3]: <h1>Traffic Analysis for 3 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>stf0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>HIPPI Interface (57)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>stf0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 4 >> Descr: 'EHC253' | Name: 'EHC253' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is administratively DOWN
 + ### * it is operationally DOWN
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_4]: 4:private@localhost:
 + # SetEnv[localhost_4]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="EHC253"
 + # MaxBytes[localhost_4]: 0
 + # Title[localhost_4]: Traffic Analysis for 4 -- zeus.local
 + # PageTop[localhost_4]: <h1>Traffic Analysis for 4 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>EHC253  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>Other (1)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>EHC253</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 5 >> Descr: 'EHC250' | Name: 'EHC250' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is administratively DOWN
 + ### * it is operationally DOWN
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_5]: 5:private@localhost:
 + # SetEnv[localhost_5]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="EHC250"
 + # MaxBytes[localhost_5]: 0
 + # Title[localhost_5]: Traffic Analysis for 5 -- zeus.local
 + # PageTop[localhost_5]: <h1>Traffic Analysis for 5 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>EHC250  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>Other (1)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>EHC250</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 6 >> Descr: 'en3' | Name: 'en3' | Ip: '192.168.100.10' | Eth: '00-6c-8f-44-8a-32' ###
 +
 + Target[localhost_6]: 6:private@localhost:
 + SetEnv[localhost_6]: MRTG_INT_IP="192.168.100.10" MRTG_INT_DESCR="en3"
 + MaxBytes[localhost_6]: 125000000
 + Title[localhost_6]: Traffic Analysis for 6 -- zeus.local
 + PageTop[localhost_6]: <h1>Traffic Analysis for 6 -- zeus.local</h1>
 +  <div id="sysdetails">
 +  <table>
 +  <tr>
 +  <td>System:</td>
 +  <td>zeus.local in BCP</td>
 +  </tr>
 +  <tr>
 +  <td>Maintainer:</td>
 +  <td>server@ujp.jp</td>
 +  </tr>
 +  <tr>
 +  <td>Description:</td>
 +  <td>en3  </td>
 +  </tr>
 +  <tr>
 +  <td>ifType:</td>
 +  <td>ethernetCsmacd (6)</td>
 +  </tr>
 +  <tr>
 +  <td>ifName:</td>
 +  <td>en3</td>
 +  </tr>
 +  <tr>
 +  <td>Max Speed:</td>
 +  <td>125.0 MBytes/s</td>
 +  </tr>
 +  <tr>
 +  <td>Ip:</td>
 +  <td>192.168.100.10 (No DNS name)</td>
 +  </tr>
 +  </table>
 +  </div>
 +
 +
 + ### Interface 7 >> Descr: 'en0' | Name: 'en0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is operationally DOWN
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_7]: 7:private@localhost:
 + # SetEnv[localhost_7]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="en0"
 + # MaxBytes[localhost_7]: 0
 + # Title[localhost_7]: Traffic Analysis for 7 -- zeus.local
 + # PageTop[localhost_7]: <h1>Traffic Analysis for 7 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>en0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>ethernetCsmacd (6)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>en0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 8 >> Descr: 'p2p0' | Name: 'p2p0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * it is administratively DOWN
 + ### * it is operationally DOWN
 + #
 + # Target[localhost_8]: 8:private@localhost:
 + # SetEnv[localhost_8]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="p2p0"
 + # MaxBytes[localhost_8]: 1250000
 + # Title[localhost_8]: Traffic Analysis for 8 -- zeus.local
 + # PageTop[localhost_8]: <h1>Traffic Analysis for 8 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>p2p0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>ethernetCsmacd (6)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>p2p0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>1250.0 kBytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 9 >> Descr: 'en1' | Name: 'en1' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_9]: 9:private@localhost:
 + # SetEnv[localhost_9]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="en1"
 + # MaxBytes[localhost_9]: 0
 + # Title[localhost_9]: Traffic Analysis for 9 -- zeus.local
 + # PageTop[localhost_9]: <h1>Traffic Analysis for 9 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>en1  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>ethernetCsmacd (6)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>en1</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 10 >> Descr: 'bridge0' | Name: 'bridge0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_10]: 10:private@localhost:
 + # SetEnv[localhost_10]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="bridge0"
 + # MaxBytes[localhost_10]: 0
 + # Title[localhost_10]: Traffic Analysis for 10 -- zeus.local
 + # PageTop[localhost_10]: <h1>Traffic Analysis for 10 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>bridge0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>Uknown Interface Type (209)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>bridge0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 11 >> Descr: 'utun0' | Name: 'utun0' | Ip: 'No Ip' | Eth: 'No Ethernet Id' ###
 + ### The following interface is commented out because:
 + ### * has no ifSpeed property
 + #
 + # Target[localhost_11]: 11:private@localhost:
 + # SetEnv[localhost_11]: MRTG_INT_IP="No Ip" MRTG_INT_DESCR="utun0"
 + # MaxBytes[localhost_11]: 0
 + # Title[localhost_11]: Traffic Analysis for 11 -- zeus.local
 + # PageTop[localhost_11]: <h1>Traffic Analysis for 11 -- zeus.local</h1>
 + # <div id="sysdetails">
 + # <table>
 + # <tr>
 + # <td>System:</td>
 + # <td>zeus.local in BCP</td>
 + # </tr>
 + # <tr>
 + # <td>Maintainer:</td>
 + # <td>server@ujp.jp</td>
 + # </tr>
 + # <tr>
 + # <td>Description:</td>
 + # <td>utun0  </td>
 + # </tr>
 + # <tr>
 + # <td>ifType:</td>
 + # <td>Other (1)</td>
 + # </tr>
 + # <tr>
 + # <td>ifName:</td>
 + # <td>utun0</td>
 + # </tr>
 + # <tr>
 + # <td>Max Speed:</td>
 + # <td>0.0 Bytes/s</td>
 + # </tr>
 + # <tr>
 + # <td>Ip:</td>
 + # <td>No Ip (No DNS name)</td>
 + # </tr>
 + # </table>
 + # </div>
 +
 +
 + ### Interface 12 >> Descr: 'ppp0' | Name: 'ppp0' | Ip: '192.168.20.231' | Eth: 'No Ethernet Id' ###
 +
 + Target[localhost_12]: 12:private@localhost:
 + SetEnv[localhost_12]: MRTG_INT_IP="192.168.20.231" MRTG_INT_DESCR="ppp0"
 + MaxBytes[localhost_12]: 12500000
 + Title[localhost_12]: Traffic Analysis for 12 -- zeus.local
 + PageTop[localhost_12]: <h1>Traffic Analysis for 12 -- zeus.local</h1>
 +  <div id="sysdetails">
 +  <table>
 +  <tr>
 +  <td>System:</td>
 +  <td>zeus.local in BCP</td>
 +  </tr>
 +  <tr>
 +  <td>Maintainer:</td>
 +  <td>server@ujp.jp</td>
 +  </tr>
 +  <tr>
 +  <td>Description:</td>
 +  <td>ppp0  </td>
 +  </tr>
 +  <tr>
 +  <td>ifType:</td>
 +  <td>ppp (23)</td>
 +  </tr>
 +  <tr>
 +  <td>ifName:</td>
 +  <td>ppp0</td>
 +  </tr>
 +  <tr>
 +  <td>Max Speed:</td>
 +  <td>12.5 MBytes/s</td>
 +  </tr>
 +  <tr>
 +  <td>Ip:</td>
 +  <td>192.168.20.231 (No DNS name)</td>
 +  </tr>
 +  </table>
 +  </div>
 +
 +
 + $
 +
 +　コメントアウトされている部分は，今回利用しないのでざっと削除．
 +　今回利用するのは次のように設定．
 +
 + $ cat mrtg.cfg🆑
 + ### Global Config Options
 +
 + #  for UNIX
 + WorkDir: /Users/ujpadmin/mrtg🈁
 +
 +
 + ### Global Defaults
 +
 + #  to get bits instead of bytes and graphs growing to the right
 +  Options[_]: growright, bits
 +
 + EnableIPv6: no
 +
 + ######################################################################
 + # System: zeus.local
 + # Contact: 管理者のメールアドレス
 + # Location: BCP
 + ######################################################################
 +
 + ######################################################################
 + #Thunderbolt LAN
 + ######################################################################
 + ### Interface 6 >> Descr: 'en3' | Name: 'en3' | Ip: '192.168.100.10' | Eth: '00-6c-8f-44-8a-32' ###
 +
 + Target[ThunderboltLAN]: 6:private@localhost:
 + SetEnv[ThunderboltLAN]: MRTG_INT_IP="192.168.100.10" MRTG_INT_DESCR="en3"
 + MaxBytes[ThunderboltLAN]: 125000000
 + Title[ThunderboltLAN]: Traffic Analysis for LAN -- zeus.local
 + PageTop[ThunderboltLAN]: <h1>Traffic Analysis for LAN -- zeus.local</h1>
 +  <div id="sysdetails">
 +  <table>
 +  <tr>
 +  <td>System:</td>
 +  <td>zeus.local in BCP</td>
 +  </tr>
 +  <tr>
 +  <td>Maintainer:</td>
 +  <td>管理者メールアドレス</td>
 +  </tr>
 +  <tr>
 +  <td>Description:</td>
 +  <td>en3  </td>
 +  </tr>
 +  <tr>
 +  <td>ifType:</td>
 +  <td>ethernetCsmacd (6)</td>
 +  </tr>
 +  <tr>
 +  <td>ifName:</td>
 +  <td>en3</td>
 +  </tr>
 +  <tr>
 +  <td>Max Speed:</td>
 +  <td>125.0 MBytes/s</td>
 +  </tr>
 +  <tr>
 +  <td>Ip:</td>
 +  <td>192.168.100.10 (No DNS name)</td>
 +  </tr>
 +  </table>
 +  </div>
 +
 + ######################################################################
 + #VPN
 + ######################################################################
 + ### Interface 12 >> Descr: 'ppp0' | Name: 'ppp0' | Ip: '192.168.20.231' | Eth: 'No Ethernet Id' ###
 +
 + Target[VPN]: 12:private@localhost:
 + SetEnv[VPN]: MRTG_INT_IP="192.168.20.231" MRTG_INT_DESCR="ppp0"
 + MaxBytes[VPN]: 12500000
 + Title[VPN]: Traffic Analysis for VPN -- zeus.local
 + PageTop[VPN]: <h1>Traffic Analysis for VPN -- zeus.local</h1>
 +  <div id="sysdetails">
 +  <table>
 +  <tr>
 +  <td>System:</td>
 +  <td>zeus.local in BCP</td>
 +  </tr>
 +  <tr>
 +  <td>Maintainer:</td>
 +  <td>管理者メールアドレス</td>
 +  </tr>
 +  <tr>
 +  <td>Description:</td>
 +  <td>ppp0  </td>
 +  </tr>
 +  <tr>
 +  <td>ifType:</td>
 +  <td>ppp (23)</td>
 +  </tr>
 +  <tr>
 +  <td>ifName:</td>
 +  <td>ppp0</td>
 +  </tr>
 +  <tr>
 +  <td>Max Speed:</td>
 +  <td>12.5 MBytes/s</td>
 +  </tr>
 +  <tr>
 +  <td>Ip:</td>
 +  <td>192.168.20.231 (No DNS name)</td>
 +  </tr>
 +  </table>
 +  </div>
 +
 +
 + $
 +　これで問題ないと思う．
 +
 +**MRTGを実行する [#n7aead17]
 +
 +　mrtg.cfgファイルを読み込ませながら，mrtgコマンドを実行する．
 +
 + $ mrtg mrtg.cfg🆑
 + -----------------------------------------------------------------------
 + ERROR: Mrtg will most likely not work properly when the environment
 +       variable LANG is set to UTF-8. Please run mrtg in an environment
 +       where this is not the case. Try the following command to start:
 +
 +       env LANG=C /usr/local/bin/mrtg mrtg.cfg🈁
 + -----------------------------------------------------------------------
 + $
 +
 +　環境変数がCである必要がある．
 +　指定して３回実行．
 +
 + $ mrtg mrtg.cfg🆑
 + Subroutine SNMP_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 149.
 + Subroutine SNMPv1_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 604.
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup could not read the primary log file for thunderboltlan
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup The backup log file for thunderboltlan was invalid as well
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup Can't rename thunderboltlan.log to thunderboltlan.old updating log file
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup could not read the primary log file for vpn
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup The backup log file for vpn was invalid as well
 + 2019-05-29 12:53:17, Rateup WARNING: /usr/local/bin/rateup Can't rename vpn.log to vpn.old updating log file
 + $
 + 　もう一度．
 + $ mrtg mrtg.cfg🆑
 + Subroutine SNMP_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 149.
 + Subroutine SNMPv1_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 604.
 + $
 + 　さらにもう一度．
 + $ mrtg mrtg.cfg🆑
 + Subroutine SNMP_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 149.
 + Subroutine SNMPv1_Session::pack_sockaddr_in6 redefined at /System/Library/Perl/5.18/Exporter.pm line 66.
 +  at /usr/local/bin/../lib/mrtg2/SNMP_Session.pm line 604.
 + $
 +
 +　３回実行する理由は，初回はファイルが無いのでエラーがでるのだが，ここでは別のエラーがでている．．．
 +
 +***SNMP_Session.pm line 149,SNMP_Session.pm line 604に [#hb010163]
 +
 +　このエラーは，Perlのバージョンが新しい場合に出る模様．
 +　コードを書き換えれば修正される．次のように．バックアップを取った後に修正する．
 +
 + $ cp -p /usr/local/bin/mrtg /usr/local/bin/mrtg.v00🆑
 + $ diff /usr/local/bin/mrtg.v00 /usr/local/bin/mrtg🆑
 + 305c305
 + <            import Socket6;
 + ---
 + >            Socket6->import(qw(inet_pton getaddrinfo));🈁
 + $
 +
 +　もう１つ．
 +
 + $ cp -p /usr/local/Cellar/mrtg/2.17.7/lib/mrtg2/SNMP_Session.pm /usr/local/Cellar/mrtg/2.17.7/lib/mrtg2/SNMP_Session.pm.v00🆑
 + $ diff /usr/local/Cellar/mrtg/2.17.7/lib/mrtg2/SNMP_Session.pm.v00 /usr/local/Cellar/mrtg/2.17.7/lib/mrtg2/SNMP_Session.pm🆑
 + 149c149
 + <        Socket6->import(qw(pack_sockaddr_in6 inet_pton getaddrinfo));
 + ---
 + >        Socket6->import(qw(inet_pton getaddrinfo));🈁
 + 604c604
 + <        Socket6->import(qw(pack_sockaddr_in6 inet_pton getaddrinfo));
 + ---
 + > Socket6->import(qw(inet_pton getaddrinfo));🈁
 + $
 +
 +　再度実行してみる．
 +
 + $ mrtg mrtg.cfg
 + $
 +
 +　エラーは出なかった．ファイルを確認．
 +
 + $ pwd🆑
 + /Users/ujpadmin/mrtg
 + $ ls -la🆑
 + total 288
 + drwxr-xr-x  22 ujpadmin staff  704 May 29 17:56 .
 + drwxr-xr-x+ 26 ujpadmin staff  832 May 29 17:29 ..
 + -rw-r--r--  1 ujpadmin staff  538 May 29 12:53 mrtg-l.png
 + -rw-r--r--  1 ujpadmin staff  414 May 29 12:53 mrtg-m.png
 + -rw-r--r--  1 ujpadmin staff  1759 May 29 12:53 mrtg-r.png
 + -rw-r--r--  1 ujpadmin staff  2542 May 29 17:00 mrtg.cfg
 + -rw-r--r--  1 ujpadmin staff 13435 May 29 12:44 mrtg.cfg.org
 + -rw-r--r--  1 ujpadmin staff    0 May 29 17:56 mrtg.ok
 + -rw-r--r--  1 ujpadmin staff  1798 May 29 17:56 thunderboltlan-day.png
 + -rw-r--r--  1 ujpadmin staff  1544 May 29 17:18 thunderboltlan-month.png
 + -rw-r--r--  1 ujpadmin staff  1688 May 29 17:56 thunderboltlan-week.png
 + -rw-r--r--  1 ujpadmin staff  1748 May 29 12:53 thunderboltlan-year.png
 + -rw-r--r--  1 ujpadmin staff  6362 May 29 17:56 thunderboltlan.html
 + -rw-r--r--  1 ujpadmin staff 49224 May 29 17:56 thunderboltlan.log
 + -rw-r--r--  1 ujpadmin staff 49206 May 29 17:29 thunderboltlan.old
 + -rw-r--r--  1 ujpadmin staff  1761 May 29 17:56 vpn-day.png
 + -rw-r--r--  1 ujpadmin staff  1514 May 29 17:18 vpn-month.png
 + -rw-r--r--  1 ujpadmin staff  1629 May 29 17:56 vpn-week.png
 + -rw-r--r--  1 ujpadmin staff  1748 May 29 12:53 vpn-year.png
 + -rw-r--r--  1 ujpadmin staff  6309 May 29 17:56 vpn.html
 + -rw-r--r--  1 ujpadmin staff 49223 May 29 17:56 vpn.log
 + -rw-r--r--  1 ujpadmin staff 49204 May 29 17:29 vpn.old
 + $
 +
 +　ファイルができていることが確認できた．
 +
 +**HTMLファイルを作成 [#s5df5d96]
 +
 +　MRTGのグラフをWebブラウザで参照するための，インデックスページを自動的に作成してくれる．
 +　これは最初に１回実行すれば良いが，定義を追加した際に，毎回実行すれば良い．
 +
 +　インデックス作成用のindexmakerコマンドを探す．
 + $ locate indexmaker
 + /usr/local/Cellar/mrtg/2.17.7/bin/indexmaker
 + /usr/local/Cellar/mrtg/2.17.7/share/doc/mrtg2/indexmaker.1
 + /usr/local/Cellar/mrtg/2.17.7/share/doc/mrtg2/indexmaker.pod
 + /usr/local/Cellar/mrtg/2.17.7/share/doc/mrtg2/indexmaker.txt
 + /usr/local/Cellar/mrtg/2.17.7/share/man/man1/indexmaker.1
 + /usr/local/bin/indexmaker
 + /usr/local/share/man/man1/indexmaker.1
 + $
 +　コマンドヘルプを確認．
 + $ /usr/local/bin/indexmaker -h
 + Option h is ambiguous (headeradd, headeradd-file, headlevel, height, help)
 + Usage:
 +     indexmaker [options] mrtg.cfg [other.cfg ...]
 +
 + Options:
 +     --output=filename  set output filename (default: stdout)
 +
 +     --filter title=~regexp  select targets by matching regexp against titles
 +     --filter pagetop=~regexp  select targets by matching regexp against pagetop
 +     --filter name=~regexp  select targets by matchin regexp against name
 +
 +     --addhead=text      insert this text between </TITLE> and </HEAD>
 +     --title=text        set title of generated index file
 +     --subtitle=text    add a subtitle to the generated index file
 +     --bodyopt=text      set body tag options
 +     --headlevel=number  use <Hnumber> at top of page (default: 1)
 +     --pagetop=text      insert this text between <BODY> and <H1>...</H1>
 +     --pageend=text      insert this text after the main body
 +     --pagetopend=text  use this text for pagetop or pageend if undefined
 +     --nolegend          do not add the Mrtg legend at the end of the page
 +
 +     --columns=number    show graphs in a table with x columns (default: 2)
 +     --perhost          show graphs of the same host on a row
 +     --compact          try to make a vertically more compact page
 +     --optlog            log the used command line in the page (default: log)
 +
 +     --sort=title        sort graphs by title
 +     --sort=name        sort graphs by their name
 +     --sort=descr        sort graphs by their description
 +     --sort=original    leave as is (default)
 +
 +     --enumerate        add a sequence number to the title of each graph
 +
 +     --picfirst          place pictures before text (default: text first)
 +     --width=number      set width of graphs (default: not set)
 +     --height=number
 +     --sidebyside        place text / pictures side by side (default: above/below)
 +     --bold              use bold text (default: bold)
 +     --clicktext        make the text link to the inner page (like the image)
 +
 +     --show=day          pick which graph to show in the index (default)
 +     --show=week
 +     --show=month
 +     --show=year
 +     --show=none
 +
 +     --section=h1        h1 tag from pagetop as section heading (default)
 +     --section=title    title as section headings for graphs
 +     --section=name      graph name as section heading
 +     --section=descr    graph description as section heading
 +     --section=ifname    interface name (ifName) as section heading
 +     --section=portname  port name entry in pagetop as section heading
 +     --sectionhost      Try to prepend the host to the section heading if missing
 +
 +     --rrdviewer=path    path to rrdviewer (default: /cgi-bin/14all.cgi)
 +     --icondir=path      path to icondir
 +     --prefix=path      path from the location of the index.html to the graphs
 +     --headeradd=string  add string to the html page header
 +     --autoprefix        try to set prefix automatically
 +
 +     --<opt>-file=file  read string argument for option <opt> from file
 +
 + $
 +　今回は，パラメータを指定せずに，デフォルトで実行．
 +　実行結果は標準出力にでてくるので，ファイルへリダイレクトする．
 +
 + $ indexmaker mrtg.cfg > index.html🆑
 + $ ls -la index.html🆑
 + -rw-r--r-- 1 ujpadmin staff 2644 May 29 18:28 index.html🈁
 + $
 +　あとは，作成されたHTMLをWebブラウザで表示させる．
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