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

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1: 2019-05-25 (土) 17:48:33 nobuaki ソース バックアップ No.1 を復元して編集
Line 1: Line 1:
 +*macOSでSNMPDが利用できるまで [#i6707f32]
 +**はじめに [#o020977d]
 +
 +　macOSをサーバとして運用するので，SNMPによって性能などの監視を行いたい．SNMPはSNMPDで情報を得ることができるが，macOSはデフォルトではSNMPDが起動してないので，その起動や，諸設定を行う．
 +　今回は，macOS 10.13.6のHigh Sierraで動作確認した．
 +
 +**現状確認． [#s736da2f]
 +
 +　まずは，現在SNMPプロセスが起動してない事を確認．
 +
 + $ ps -ef|grep snmp🆑
 +   501 66796 65920  0  4:51PM ttys003    0:00.00 grep snmp
 + $
 +　プロセスは起動してない．
 +　macOSの場合はLaunchDaemonでサーバプロセスを管理しているが，その設定ファイルを確認する．
 + $ locate snmp|grep plist🆑
 + /System/Library/LaunchDaemons/org.net-snmp.snmpd.plist
 + $
 +　確認できた設定ファイルの中身を表示．
 + $ cat /System/Library/LaunchDaemons/org.net-snmp.snmpd.plist
 + <?xml version="1.0" encoding="UTF-8"?>
 + <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 + <plist version="1.0">
 + <dict>
 +  <key>Disabled</key>
 +  <true/>
 +  <key>Label</key>
 +  <string>org.net-snmp.snmpd</string>
 +  <key>KeepAlive</key>
 +  <true/>
 +  <key>Program</key>
 +  <string>/usr/sbin/snmpd</string>
 +  <key>ProgramArguments</key>
 +  <array>
 +  <string>snmpd</string>
 +  <string>-f</string>
 +  </array>
 +  <key>ProcessType</key>
 +  <string>Background</string>
 + </dict>
 + </plist>
 + $
 +
 +　LaunchDaemonでSNMPDを起動する．
 + $ sudo launchctl load -w /System/Library/LaunchDaemons/org.net-snmp.snmpd.plist🆑
 + Password:🆑
 + $
 +　プロセスを確認．
 + $ ps -ef|grep snmp🆑
 +     0 66808    1  0  4:52PM ??        0:00.23 /usr/libexec/snmpd -f🈁
 +   501 66812 65920  0  4:52PM ttys003    0:00.00 grep snmp
 + $
 +　稼働確認できた．
 +
 +**SNMPで接続してみる [#f8aca566]
 +
 +　SNMPDプロセスが起動したので，次はsnmpwalkコマンドを使って，SNMPで接続して情報を取得する．
 +　コマンドの場所を確認．
 + $ which snmpwalk🆑
 + /usr/bin/snmpwalk🈁
 + $
 +　snmpwalkコマンドで接続してみる．
 + $ snmpwalk -v 2c -c public localhost🆑
 + SNMPv2-MIB::sysContact.0 = STRING: Administrator <postmaster@example.com>
 + SNMPv2-MIB::sysContact.0 = No more variables left in this MIB View (It is past the end of the MIB tree)
 + $
 +　何の情報も出てないが，Timeoutとかのエラーになってないので，想定内と言える．
 +
 +
 +**snmpd.confをsnmpconfコマンドを使って対話的に設定する [#gb3ba018]
 +
 +***snmpd.confファイルを確認 [#we520918]
 +
 +　snmpconfコマンドを使うと，/usr/share/snmp/snmpd.confが作成されるが，現在存在しているか確認する．
 +
 + $ ls -lat  /usr/share/snmp🆑
 + total 60
 + drwxr-xr-x 47 root wheel  1504  4  3  2018 ..
 + drwxr-xr-x 65 root wheel  2080  7 16  2017 mibs
 + drwxr-xr-x 28 root wheel  896  7 16  2017 .
 + -rw-r--r--  1 root wheel 16218  7 16  2017 SensorDat.xml
 + drwxr-xr-x 69 root wheel  2208  7 16  2017 mib2c-data
 + -rw-r--r--  1 root wheel  6531  7 16  2017 mib2c.access_functions.conf
 + -rw-r--r--  1 root wheel  2391  7 16  2017 mib2c.check_values_local.conf
 + -rw-r--r--  1 root wheel 28202  7 16  2017 mib2c.container.conf
 + -rw-r--r--  1 root wheel  8498  7 16  2017 mib2c.genhtml.conf
 + -rw-r--r--  1 root wheel  3088  7 16  2017 mib2c.int_watch.conf
 + -rw-r--r--  1 root wheel  2027  7 16  2017 mib2c.notify.conf
 + -rw-r--r--  1 root wheel  8777  7 16  2017 mib2c.perl.conf
 + -rw-r--r--  1 root wheel 19509  7 16  2017 mib2c.raw-table.conf
 + -rw-r--r--  1 root wheel 22905  7 16  2017 mib2c.table_data.conf
 + drwxr-xr-x  5 root wheel  160  7 16  2017 snmpconf-data
 + -rw-r--r--  1 root wheel 37700  7 16  2017 mib2c.array-user.conf
 + -rw-r--r--  1 root wheel  4646  7 16  2017 mib2c.check_values.conf
 + -rw-r--r--  1 root wheel  330  7 16  2017 mib2c.column_defines.conf
 + -rw-r--r--  1 root wheel  602  7 16  2017 mib2c.column_enums.conf
 + -rw-r--r--  1 root wheel  728  7 16  2017 mib2c.column_storage.conf
 + -rw-r--r--  1 root wheel 11942  7 16  2017 mib2c.conf
 + -rw-r--r--  1 root wheel  3471  7 16  2017 mib2c.create-dataset.conf
 + -rw-r--r--  1 root wheel 22345  7 16  2017 mib2c.iterate.conf
 + -rw-r--r--  1 root wheel 15095  7 16  2017 mib2c.iterate_access.conf
 + -rw-r--r--  1 root wheel  948  7 16  2017 mib2c.mfd.conf
 + -rw-r--r--  1 root wheel  9182  7 16  2017 mib2c.old-api.conf
 + -rw-r--r--  1 root wheel  4455  7 16  2017 mib2c.scalar.conf
 + -rw-r--r--  1 root wheel  431  7 16  2017 snmp_perl_trapd.pl
 + $
 +　snmpd.confは存在しなかった．
 +
 +***snmpconfのコマンドヘルプの確認 [#pdd8658e]
 +
 +　sndmpdは，snmpd.confで設定を制御するが，まずは/usr/bin/snmpconfコマンドを使ってカスタマイズする．
 +　まずは，コマンドヘルプを．
 +
 + $ /usr/bin/snmpconf -h
 + /usr/bin/snmpconf [options] [FILETOCREATE...]
 + options:
 +   -f          overwrite existing files without prompting
 +   -i          install created files into /usr/share/snmp.
 +   -p          install created files into /Users/ujpadmin/.snmp.
 +   -I DIR      install created files into DIR.
 +   -a          Don't ask any questions, just read in current
 +                   current .conf files and comment them
 +   -r all|none  Read in all or none of the .conf files found.
 +   -R file,...  Read in a particular list of .conf files.
 +   -g GROUP    Ask a series of GROUPed questions.
 +   -G          List known GROUPs.
 +   -c conf_dir  use alternate configuration directory.
 +   -q          run more quietly with less advice.
 +   -d          turn on debugging output.
 +   -D          turn on debugging dumper output.
 + $
 +　新しいファイルを/usr/share/snmp以下に作成するのでiオプションをつけて実行する．
 + $ sudo /usr/bin/snmpconf -f🆑
 + Password:🆑
 +
 + The following installed configuration files were found:
 +
 +   1:  ./snmpd.conf
 +   2:  /etc/snmp/snmpd.conf🈁
 +
 + Would you like me to read them in?  Their content will be merged with the
 + output files created by this session.
 +
 + Valid answer examples: "all", "none","3","1,2,5"
 +
 + Read in which (default = all):🈁
 +
 +　他にsnmpd.confファイルが見つかったので，マージするか問い合わせされている．
 +　今回はマージしないので，noneを選択．
 +
 + Read in which (default = all): none🆑
 +
 + I can create the following types of configuration files for you.
 + Select the file type you wish to create:
 + (you can create more than one as you run this program)
 +
 +   1:  snmp.conf
 +   2:  snmptrapd.conf
 +   3:  snmpd.conf
 +
 + Other options: quit
 +
 + Select File:
 +
 +　ファイルタイプは，snmpd.confにしたいので，３を選択．
 +
 + Select File: 3🆑
 +
 + The configuration information which can be put into snmpd.conf is divided
 + into sections.  Select a configuration section for snmpd.conf
 + that you wish to create:
 +
 +   1:  Agent Operating Mode
 +   2:  Monitor Various Aspects of the Running Host
 +   3:  Trap Destinations
 +   4:  System Information Setup🈁
 +   5:  Extending the Agent
 +   6:  Access Control Setup
 +
 + Other options: finished🈁
 +
 + Select section:
 +
 +　今回は，ここまでで一旦終了するので，finishedと入力．
 +
 + Select section: finished🆑
 +
 + I can create the following types of configuration files for you.
 + Select the file type you wish to create:
 + (you can create more than one as you run this program)
 +
 +   1:  snmp.conf
 +   2:  snmptrapd.conf
 +   3:  snmpd.conf
 +
 + Other options: quit🈁
 +
 + Select File:
 +　
 +　終了するのでquitを入力．
 +
 + Select File: quit🆑
 +
 + Error: An snmpd.conf file already exists in this directory.
 +
 + 'overwrite', 'skip', 'rename' or 'append'? :
 +
 +　さっきファイルはなかったのに？overwriteを選択．
 +
 + 'overwrite', 'skip', 'rename' or 'append'? : overwrite
 +
 +
 + The following files were created:
 +
 +   snmpd.conf installed in /usr/share/snmp
 +
 + $
 +　ファイルができたようなので，中身を確認．
 + $ cat /usr/share/snmp/snmpd.conf
 + ###########################################################################
 + #
 + # snmpd.conf
 + #
 + #  - created by the snmpconf configuration program
 + #
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 + $
 +　何も設定してないので，何もないね．
 +
 +***snmpd.confにシステム情報を設定する [#x9a96126]
 +
 +　snmpconfを実行．
 +
 + $ sudo /usr/bin/snmpconf -i🆑
 + Password:🆑
 +
 + The following installed configuration files were found:
 +
 +   1:  /etc/snmp/snmpd.conf
 +   2:  /usr/share/snmp/snmpd.conf
 +
 + Would you like me to read them in?  Their content will be merged with the
 + output files created by this session.
 +
 + Valid answer examples: "all", "none","3","1,2,5"
 +
 + Read in which (default = all):
 +　２番の設定をマージするので２を選択．
 +
 + Read in which (default = all): 2🆑
 +
 + I can create the following types of configuration files for you.
 + Select the file type you wish to create:
 + (you can create more than one as you run this program)
 +
 +   1:  snmptrapd.conf
 +   2:  snmp.conf
 +   3:  snmpd.conf
 +
 + Other options: quit
 +
 + Select File:
 +　３番を選択．
 +
 + Select File: 3🆑
 +
 + The configuration information which can be put into snmpd.conf is divided
 + into sections.  Select a configuration section for snmpd.conf
 + that you wish to create:
 +
 +   1:  Agent Operating Mode
 +   2:  Monitor Various Aspects of the Running Host
 +   3:  Trap Destinations
 +   4:  System Information Setup🈁
 +   5:  Extending the Agent
 +   6:  Access Control Setup
 +
 + Other options: finished
 +
 + Select section:
 +
 +　今回のセットアップはシステム情報になるので，4を選択．
 +
 + Select section: 4🆑
 +
 + Section: System Information Setup
 + Description:
 +   This section defines some of the information reported in
 +   the "system" mib group in the mibII tree.
 +
 + Select from:
 +
 +   1:  The [typically physical] location of the system.🈁
 +   2:  The contact information for the administrator
 +   3:  The proper value for the sysServices object.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +****syslocationの設定 [#kb35eb3c]
 +
 +　最初は，物理的な場所を設定するので，１を選択．
 +
 + Select section: 1🆑
 +
 + Configuring: syslocation
 + Description:
 +   The [typically physical] location of the system.
 +     Note that setting this value here means that when trying to
 +     perform an snmp SET operation to the sysLocation.0 variable will make
 +     the agent return the "notWritable" error code.  IE, including
 +     this token in the snmpd.conf file will disable write access to
 +     the variable.
 +     arguments:  location_string
 +
 + The location of the system:
 +
 +　任意のロケーション情報を入力する．ここでは，BCPセンタようなのでBCPと入力．
 +
 + The location of the system: BCP🆑
 +
 + Finished Output: syslocation  BCP🈁
 +
 + Section: System Information Setup
 + Description:
 +   This section defines some of the information reported in
 +   the "system" mib group in the mibII tree.
 +
 + Select from:
 +
 +   1:  The [typically physical] location of the system.
 +   2:  The contact information for the administrator🈁
 +   3:  The proper value for the sysServices object.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +****syscontactの設定 [#ad120da0]
 +
 +　次に，管理者の連絡先を入力するために２を選択．
 +
 + Select section: 2🆑
 +
 + Configuring: syscontact
 + Description:
 +   The contact information for the administrator
 +     Note that setting this value here means that when trying to
 +     perform an snmp SET operation to the sysContact.0 variable will make
 +     the agent return the "notWritable" error code.  IE, including
 +     this token in the snmpd.conf file will disable write access to
 +     the variable.
 +     arguments:  contact_string
 +
 + The contact information:
 +
 +　メールアドレスを設定．
 +
 + The contact information: 管理者メールアドレス
 +
 + Finished Output: syscontact  管理者メールアドレス
 +
 + Section: System Information Setup
 + Description:
 +   This section defines some of the information reported in
 +   the "system" mib group in the mibII tree.
 +
 + Select from:
 +
 +   1:  The [typically physical] location of the system.
 +   2:  The contact information for the administrator
 +   3:  The proper value for the sysServices object.🈁
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +****sysservicesの設定 [#db86c98b]
 +
 +　sysServices Objectの設定を行うので，３を入力．
 +
 + Select section: 3🆑
 +
 + Configuring: sysservices
 + Description:
 +   The proper value for the sysServices object.
 +     arguments:  sysservices_number
 +
 + does this host offer physical services (eg, like a repeater) [answer 0 or 1]:🈁
 +
 +　Yesの場合1を，Noの場合0を入力．
 +
 + does this host offer physical services (eg, like a repeater) [answer 0 or 1]: 0🈁
 + does this host offer datalink/subnetwork services (eg, like a bridge): 0🈁
 + does this host offer internet services (eg, supports IP): 1🈁
 + does this host offer end-to-end services (eg, supports TCP): 1🈁
 + does this host offer application services (eg, supports SMTP): 1🈁
 +
 +・物理層でのサービスをしてないので，0を選択．
 +・データリンク層でのサービスをしてないので，0を入力．
 +・IP層でサービスをしているので1を入力．
 +・TCP層でサービスをしているので1を入力．
 +・アプリケーション層でサービスをしているので1を入力．
 +
 +　このように答えると，sysservicesは76となる．
 +
 + Finished Output: sysservices 76🈁
 +
 + Section: System Information Setup
 + Description:
 +   This section defines some of the information reported in
 +   the "system" mib group in the mibII tree.
 +
 + Select from:
 +
 +   1:  The [typically physical] location of the system.
 +   2:  The contact information for the administrator
 +   3:  The proper value for the sysServices object.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +****設定を確認し保存する [#ld81ef08]
 +
 +　これまで設定した内容を確認するのでlistと入力．
 +
 + Select section: list🆑
 + Lines defined for section "System Information Setup" so far:
 +   syslocation  BCP🈁
 +   syscontact  管理者メールアドレス🈁
 +   sysservices 76🈁
 +
 + Section: System Information Setup
 + Description:
 +   This section defines some of the information reported in
 +   the "system" mib group in the mibII tree.
 +
 + Select from:
 +
 +   1:  The [typically physical] location of the system.
 +   2:  The contact information for the administrator
 +   3:  The proper value for the sysServices object.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +　ここまでの内容で保存するのでfinishedやquitを入力して終了する．
 +
 + Select section: finished🆑
 +
 + The configuration information which can be put into snmpd.conf is divided
 + into sections.  Select a configuration section for snmpd.conf
 + that you wish to create:
 +
 +   1:  Agent Operating Mode
 +   2:  Monitor Various Aspects of the Running Host
 +   3:  Trap Destinations
 +   4:  System Information Setup
 +   5:  Extending the Agent
 +   6:  Access Control Setup
 +
 + Other options: finished
 +
 + Select section: finished🆑
 +
 + I can create the following types of configuration files for you.
 + Select the file type you wish to create:
 + (you can create more than one as you run this program)
 +
 +   1:  snmptrapd.conf
 +   2:  snmpd.conf
 +   3:  snmp.conf
 +
 + Other options: quit🆑
 +
 + Select File: quit
 +
 +
 + The following files were created:
 +
 +   snmpd.conf installed in /usr/share/snmp
 + $
 +　保存されたsnmpd.confファイルを確認する．
 +
 + $ cat /usr/share/snmp/snmpd.conf
 + ###########################################################################
 + #
 + # snmpd.conf
 + #
 + #  - created by the snmpconf configuration program
 + #
 +
 +
 +
 +
 +
 +
 +
 +
 +
 + ###########################################################################
 + # SECTION: System Information Setup
 + #
 + #  This section defines some of the information reported in
 + #  the "system" mib group in the mibII tree.
 +
 + # syslocation: The [typically physical] location of the system.
 + #  Note that setting this value here means that when trying to
 + #  perform an snmp SET operation to the sysLocation.0 variable will make
 + #  the agent return the "notWritable" error code.  IE, including
 + #  this token in the snmpd.conf file will disable write access to
 + #  the variable.
 + #  arguments:  location_string
 +
 + syslocation  BCP
 +
 + # syscontact: The contact information for the administrator
 + #  Note that setting this value here means that when trying to
 + #  perform an snmp SET operation to the sysContact.0 variable will make
 + #  the agent return the "notWritable" error code.  IE, including
 + #  this token in the snmpd.conf file will disable write access to
 + #  the variable.
 + #  arguments:  contact_string
 +
 + syscontact  server@ujp.jp
 +
 + # sysservices: The proper value for the sysServices object.
 + #  arguments:  sysservices_number
 +
 + sysservices 76
 +
 +
 +
 +
 +
 +
 +
 +
 +
 + $
 +
 +　設定が保存されていることを確認．
 +
 +**監視設定を定義する [#n6d72e5b]
 +
 +　プロセス，ディスク容量，ロードアベレージ，ファイルサイズなどの監視を行う設定を行う．
 +
 +$ sudo /usr/bin/snmpconf -i🆑
 +Password:🆑
 +
 +The following installed configuration files were found:
 +
 +   1:  /etc/snmp/snmpd.conf
 +   2:  /usr/share/snmp/snmpd.conf🈁
 +
 +Would you like me to read them in?  Their content will be merged with the
 +output files created by this session.
 +
 +Valid answer examples: "all", "none","3","1,2,5"
 +
 +Read in which (default = all): 2🆑
 +
 +I can create the following types of configuration files for you.
 +Select the file type you wish to create:
 +(you can create more than one as you run this program)
 +
 +   1:  snmp.conf
 +   2:  snmptrapd.conf
 +   3:  snmpd.conf🈁
 +
 +Other options: quit
 +
 +Select File: 3🆑
 +
 +The configuration information which can be put into snmpd.conf is divided
 +into sections.  Select a configuration section for snmpd.conf
 +that you wish to create:
 +
 +   1:  Agent Operating Mode
 +   2:  Monitor Various Aspects of the Running Host🈁
 +   3:  Trap Destinations
 +   4:  System Information Setup
 +   5:  Extending the Agent
 +   6:  Access Control Setup
 +
 +Other options: finished
 +
 +Select section: 2🆑
 +
 +Section: Monitor Various Aspects of the Running Host
 +Description:
 +  The following check up on various aspects of a host.
 +
 +Select from:
 +
 +   1:  Check for processes that should be running.🈁
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 +Other options: finished, list
 +
 +Select section:
 +
 +***プロセスの監視を行う [#sd7352fc]
 +
 +　Check for processes that should be running.を選択する．
 +
 + Select section: 1🆑
 +
 + Configuring: proc
 + Description:
 +   Check for processes that should be running.
 +       proc NAME [MAX=0] [MIN=0]
 +
 +       NAME:  the name of the process to check for.  It must match
 +             exactly (ie, http will not find httpd processes).
 +       MAX:  the maximum number allowed to be running.  Defaults to 0.
 +       MIN:  the minimum number to be running.  Defaults to 0.
 +
 +     The results are reported in the prTable section of the UCD-SNMP-MIB tree
 +     Special Case:  When the min and max numbers are both 0, it assumes
 +     you want a max of infinity and a min of 1.
 +
 + Name of the process you want to check on:
 +
 +　ここでは，Sambaのプロセスを監視する．プロセス名はsmbd．
 +
 + Name of the process you want to check on: /usr/sbin/smbd🆑
 + Maximum number of processes named '/usr/sbin/smbd' that should be running [default = 0]:🆑
 + Minimum number of processes named '/usr/sbin/smbd' that should be running [default = 0]:🆑
 +
 + Finished Output: proc  /usr/sbin/smbd
 +
 + Section: Monitor Various Aspects of the Running Host
 + Description:
 +   The following check up on various aspects of a host.
 +
 + Select from:
 +
 +   1:  Check for processes that should be running.
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +***ディスクの空き容量の監視を行う [#za2b539e]
 +
 +　/Volumes/RAID0_12TBというボリュームが95%を超えるかどうかを監視する．
 +
 +select section: 2🆑
 +
 + Configuring: disk
 + Description:
 +   Check for disk space usage of a partition.
 +     The agent can check the amount of available disk space, and make
 +     sure it is above a set limit.
 +
 +     disk PATH [MIN=100000]
 +
 +     PATH:  mount path to the disk in question.
 +     MIN:  Disks with space below this value will have the Mib's errorFlag set.
 +             Can be a raw integer value (units of kB) or a percentage followed by the %
 +             symbol.  Default value = 100000.
 +
 +     The results are reported in the dskTable section of the UCD-SNMP-MIB tree
 +
 + Enter the mount point for the disk partion to be checked on: /Volumes/RAID0_12TB🆑
 + Enter the minimum amount of space that should be available on /Volumes/RAID0_12TB: 95%🆑
 +
 +Finished Output: disk  /Volumes/RAID0_12TB 95%🈁
 +
 +Section: Monitor Various Aspects of the Running Host
 +Description:
 +  The following check up on various aspects of a host.
 +
 +Select from:
 +
 +   1:  Check for processes that should be running.
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 +Other options: finished, list
 +
 +Select section:
 +
 +***ロードアベレージを監視する [#rdf49c82]
 +
 +　ロードアベレージは，CPU1つがビジー状態だと1なので，今回は4coreマシンなので，４の倍数で値を設定した．
 +
 + Select section: 3🆑
 +
 + Configuring: load
 + Description:
 +   Check for unreasonable load average values.
 +     Watch the load average levels on the machine.
 +
 +     load [1MAX=12.0] [5MAX=12.0] [15MAX=12.0]
 +
 +     1MAX:  If the 1 minute load average is above this limit at query
 +             time, the errorFlag will be set.
 +     5MAX:  Similar, but for 5 min average.
 +     15MAX:  Similar, but for 15 min average.
 +
 +     The results are reported in the laTable section of the UCD-SNMP-MIB tree
 +
 + Enter the maximum allowable value for the 1 minute load average: 12🆑
 + Enter the maximum allowable value for the 5 minute load average: 8🆑
 + Enter the maximum allowable value for the 15 minute load average: 4🆑
 +
 + Finished Output: load  12 8 4🈁
 +
 + Section: Monitor Various Aspects of the Running Host
 + Description:
 +   The following check up on various aspects of a host.
 +
 + Select from:
 +
 +   1:  Check for processes that should be running.
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +***ファイルサイズの監視 [#s9889750]
 +
 +　継続することで大きくなるファイルを監視する．ここではsyslog.logとしている．
 +　ファイルサイズは30000KB(30Mbyte)とした．
 +
 + Select section: 4🆑
 +
 + Configuring: file
 + Description:
 +   Check on the size of a file.
 +     Display a files size statistics.
 +     If it grows to be too large, report an error about it.
 +
 +     file /path/to/file [maxsize_in_kilobytes]
 +
 +       if maxsize is not specified, assume only size reporting is needed.
 +
 +     The results are reported in the fileTable section of the UCD-SNMP-MIB tree
 +
 + Enter the path to the file you wish to monitor: /var/log/system.log🆑
 + Enter the maximum size (in kilobytes) allowable for /var/log/system.log: 30000🆑
 +
 + Finished Output: file  /var/log/system.log 30000
 +
 + Section: Monitor Various Aspects of the Running Host
 + Description:
 +   The following check up on various aspects of a host.
 +
 + Select from:
 +
 +   1:  Check for processes that should be running.
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 + Other options: finished, list
 +
 + Select section:
 +
 +
 +設定を確認し，終了する．
 +
 + Select section: list
 + Lines defined for section "Monitor Various Aspects of the Running Host" so far:
 +   proc  /usr/sbin/smbd
 +   disk  /Volumes/RAID0_12TB 95%
 +   disk  /Volumes/zeusHD 80%
 +   load  12 8 4
 +   file  /var/log/system.log 30000
 +
 + Section: Monitor Various Aspects of the Running Host
 + Description:
 +   The following check up on various aspects of a host.
 +
 + Select from:
 +
 +   1:  Check for processes that should be running.
 +   2:  Check for disk space usage of a partition.
 +   3:  Check for unreasonable load average values.
 +   4:  Check on the size of a file.
 +
 + Other options: finished, list
 +
 + Select section: finished
 +
 + The configuration information which can be put into snmpd.conf is divided
 + into sections.  Select a configuration section for snmpd.conf
 + that you wish to create:
 +
 +   1:  Agent Operating Mode
 +   2:  Monitor Various Aspects of the Running Host
 +   3:  Trap Destinations
 +   4:  System Information Setup
 +   5:  Extending the Agent
 +   6:  Access Control Setup
 +
 + Other options: finished
 +
 + Select section: finished
 +
 + I can create the following types of configuration files for you.
 + Select the file type you wish to create:
 + (you can create more than one as you run this program)
 +
 +   1:  snmp.conf
 +   2:  snmptrapd.conf
 +   3:  snmpd.conf
 +
 + Other options: quit
 +
 + Select File: quit
 +
 +
 + The following files were created:
 +
 +   snmpd.conf installed in /usr/share/snmp
 + $
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