install MRTG

事務所のサーバにMRTGをインストールしてみた

Tobi Oetiker’s MRTG – The Multi Router Traffic Grapher
http://oss.oetiker.ch/mrtg/

事務所のサーバはCentOS release 5.4 (Final)です
インストールは最も簡単なyumを使いました

1. yum info

MRTGパッケージの情報確認

# yum info mrtg Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.tsukuba.wide.ad.jp * centosplus: ftp.tsukuba.wide.ad.jp * epel: ftp.tsukuba.wide.ad.jp * extras: ftp.riken.jp * updates: ftp.tsukuba.wide.ad.jp addons | 1.9 kB 00:00 base | 1.1 kB 00:00 centosplus | 1.9 kB 00:00 dag | 1.9 kB 00:00 dag/primary_db | 7.1 MB 00:11 epel | 3.7 kB 00:00 epel/primary_db | 3.1 MB 00:03 extras | 1.9 kB 00:00 extras/primary_db | 171 kB 00:00 updates | 1.9 kB 00:00 Available Packages Name : mrtg Arch : i386 Version : 2.14.5 Release : 4.el5 Size : 837 k Repo : base Summary : Multi Router Traffic Grapher URL : http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/ License : GPL Description: Multi Router Traffic Grapher (MRTG) : はネットワークリンクのトラフィック ロードを監視するツールです。MRTG : は、PNG イメージを含む HTML ページを 生成し、このトラフィックの : LIVE ビジュアル表示を提供します。

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# yum info mrtg Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.tsukuba.wide.ad.jp * centosplus: ftp.tsukuba.wide.ad.jp * epel: ftp.tsukuba.wide.ad.jp * extras: ftp.riken.jp * updates: ftp.tsukuba.wide.ad.jp addons                                                   | 1.9 kB     00:00 base                                                     | 1.1 kB     00:00 centosplus                                               | 1.9 kB     00:00 dag                                                      | 1.9 kB     00:00 dag/primary_db                                           | 7.1 MB     00:11 epel                                                     | 3.7 kB     00:00 epel/primary_db                                          | 3.1 MB     00:03 extras                                                   | 1.9 kB     00:00 extras/primary_db                                        | 171 kB     00:00 updates                                                  | 1.9 kB     00:00 Available Packages Name       : mrtg Arch       : i386 Version    : 2.14.5 Release    : 4.el5 Size       : 837 k Repo       : base Summary    : Multi Router Traffic Grapher URL        : http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/ License    : GPL Description: Multi Router Traffic Grapher (MRTG)            : はネットワークリンクのトラフィック ロードを監視するツールです。MRTG            : は、PNG イメージを含む HTML ページを 生成し、このトラフィックの            : LIVE ビジュアル表示を提供します。

2. yum install

MRTGをインストールします

[root@ns ~]# yum install mrtg Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.tsukuba.wide.ad.jp * centosplus: ftp.tsukuba.wide.ad.jp * epel: ftp.tsukuba.wide.ad.jp * extras: ftp.riken.jp * updates: ftp.tsukuba.wide.ad.jp Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package mrtg.i386 0:2.14.5-4.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: mrtg i386 2.14.5-4.el5 base 837 k Transaction Summary ================================================================================ Install 1 Package(s) Upgrade 0 Package(s) Total download size: 837 k Is this ok [y/N]: y Downloading Packages: mrtg-2.14.5-4.el5.i386.rpm | 837 kB 00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : mrtg 1/1 Installed: mrtg.i386 0:2.14.5-4.el5 Complete!

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[root@ns ~]# yum install mrtg Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.tsukuba.wide.ad.jp * centosplus: ftp.tsukuba.wide.ad.jp * epel: ftp.tsukuba.wide.ad.jp * extras: ftp.riken.jp * updates: ftp.tsukuba.wide.ad.jp Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package mrtg.i386 0:2.14.5-4.el5 set to be updated --> Finished Dependency Resolution   Dependencies Resolved   ================================================================================ Package         Arch            Version                  Repository       Size ================================================================================ Installing: mrtg            i386            2.14.5-4.el5             base            837 k   Transaction Summary ================================================================================ Install       1 Package(s) Upgrade       0 Package(s)   Total download size: 837 k Is this ok [y/N]: y Downloading Packages: mrtg-2.14.5-4.el5.i386.rpm                               | 837 kB     00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : mrtg                                                     1/1   Installed:   mrtg.i386 0:2.14.5-4.el5   Complete!

これでインストールは終わりです。もちろんapache等は別途事前にインストールする必要はありますが

MRTG関連ファイル

1. MRTGプログラム
# ls -l /usr/bin/mrtg -rwxr-xr-x 1 root root 93887 2月 24 2012 /usr/bin/mrtg

1 2	# ls -l /usr/bin/mrtg -rwxr-xr-x 1 root root 93887  2月 24  2012 /usr/bin/mrtg

2. mrtg.cfg生成プログラム
# ls -l /usr/bin/cfgmaker -rwxr-xr-x 1 root root 103936 2月 24 2012 /usr/bin/cfgmaker

1 2	# ls -l /usr/bin/cfgmaker -rwxr-xr-x 1 root root 103936  2月 24  2012 /usr/bin/cfgmaker

3. index.html生成プログラム
# ls -l /usr/bin/indexmaker -rwxr-xr-x 1 root root 25551 2月 24 2012 /usr/bin/indexmaker

1 2	# ls -l /usr/bin/indexmaker -rwxr-xr-x 1 root root 25551  2月 24  2012 /usr/bin/indexmaker

4. MRTG設定ファイル

このファイルに監視する機器を追加します

# cat /etc/mrtg/mrtg.cfg ###################################################################### # Multi Router Traffic Grapher -- Example Configuration File ###################################################################### # This file is for use with mrtg-2.0 # # Note: # # * Keywords must start at the begin of a line. # # * Lines which follow a keyword line which do start # with a blank are appended to the keyword line # # * Empty Lines are ignored # # * Lines starting with a # sign are comments. # Where should the logfiles, and webpages be created? # Minimal mrtg.cfg #-------------------- HtmlDir: /var/www/mrtg ImageDir: /var/www/mrtg LogDir: /var/lib/mrtg ThreshDir: /var/lib/mrtg #Target[r1]: 2:public@myrouter.somplace.edu #MaxBytes[r1]: 1250000 #Title[r1]: Traffic Analysis #PageTop[r1]: <H1>Stats for our Ethernet</H1>

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# cat /etc/mrtg/mrtg.cfg ###################################################################### # Multi Router Traffic Grapher -- Example Configuration File ###################################################################### # This file is for use with mrtg-2.0 # # Note: # # * Keywords must start at the begin of a line. # # * Lines which follow a keyword line which do start #   with a blank are appended to the keyword line # # * Empty Lines are ignored # # * Lines starting with a # sign are comments.   # Where should the logfiles, and webpages be created?   # Minimal mrtg.cfg #--------------------   HtmlDir: /var/www/mrtg ImageDir: /var/www/mrtg LogDir: /var/lib/mrtg ThreshDir: /var/lib/mrtg #Target[r1]: 2:public@myrouter.somplace.edu #MaxBytes[r1]: 1250000 #Title[r1]: Traffic Analysis #PageTop[r1]: <H1>Stats for our Ethernet</H1>

5. cron

MRTGを定期実行するための設定

# cat /etc/cron.d/mrtg */5 * * * * root LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok

1 2	# cat /etc/cron.d/mrtg */5 * * * * root LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok

6. Apache用設定ファイル

MRTGをApache経由で閲覧するための設定。初期設定では自分自身からの閲覧のみ許可されています

#　cat /etc/httpd/conf.d/mrtg.conf # This configuration file maps the mrtg output (generated daily) # into the URL space. By default these results are only accessible # from the local host. # Alias /mrtg /var/www/mrtg &lt;Location /mrtg&gt; Order deny,allow Deny from all Allow from 127.0.0.1 Allow from ::1 # Allow from .example.com &lt;/Location&gt;

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#　cat /etc/httpd/conf.d/mrtg.conf   # This configuration file maps the mrtg output (generated daily) # into the URL space.  By default these results are only accessible # from the local host. # Alias /mrtg /var/www/mrtg   <Location /mrtg>     Order deny,allow     Deny from all     Allow from 127.0.0.1     Allow from ::1     # Allow from .example.com </Location>

7. MRTG保存ディレクトリ

MRTGが定期的に実行され、その結果を保存するディレクトリ。Apache経由でアクセスするとここの内容を表示する
http://Server ip/mrtg/ となる


# ls -l /var/www/mrtg/ -rw-r--r-- 1 root root 350 2月 24 2012 favicon.ico -rw-r--r-- 1 root root 343 2月 24 2012 mrtg-l.gif -rw-r--r-- 1 root root 538 2月 24 2012 mrtg-l.png -rw-r--r-- 1 root root 1144 2月 24 2012 mrtg-m.gif -rw-r--r-- 1 root root 414 2月 24 2012 mrtg-m.png -rw-r--r-- 1 root root 1779 2月 24 2012 mrtg-r.gif -rw-r--r-- 1 root root 1759 2月 24 2012 mrtg-r.png -rw-r--r-- 1 root root 4696 2月 24 2012 mrtg-ti.gif -rw-r--r-- 1 root root 4293 2月 24 2012 mrtg-ti.png

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# ls -l /var/www/mrtg/ -rw-r--r-- 1 root root   350  2月 24  2012 favicon.ico -rw-r--r-- 1 root root   343  2月 24  2012 mrtg-l.gif -rw-r--r-- 1 root root   538  2月 24  2012 mrtg-l.png -rw-r--r-- 1 root root  1144  2月 24  2012 mrtg-m.gif -rw-r--r-- 1 root root   414  2月 24  2012 mrtg-m.png -rw-r--r-- 1 root root  1779  2月 24  2012 mrtg-r.gif -rw-r--r-- 1 root root  1759  2月 24  2012 mrtg-r.png -rw-r--r-- 1 root root  4696  2月 24  2012 mrtg-ti.gif -rw-r--r-- 1 root root  4293  2月 24  2012 mrtg-ti.png