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MRTGのインストール
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http://people.ee.ethz.ch/~oetiker/webtools/mrtg/

まずコンパイル作業用のディレクトリ作成
mkdir /usr/local/src/mrtg

その中に必要なライブラリなどダウンロードしておく。

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zlibのコンパイル
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cd zlib ; ./configure ; make ; cd ..

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libpngのコンパイル
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cd libpng ; \
make -f scripts/makefile.std CC=gcc ZLIBLIB=../zlib ZLIBINC=../zlib ; \
rm *.so.* *.so ; cd ..

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gdのコンパイル
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cd gd ; \
/bin/env CPPFLAGS=”-I../zlib -I../libpng” LDFLAGS=”-L../zlib -L../libpng” \
./configure \
–disable-shared \
–without-freetype \
–without-jpeg ; \
make ; cp .libs/* . ; cd ..

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MRTGのコンパイル＆インストール
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cd mrtg ; \
./configure –prefix=/usr/local/mrtg-2 \
–with-gd=/usr/local/src/mrtg/gd \
–with-z=/usr/local/src/mrtg/zlib \
–with-png=/usr/local/src/mrtg/libpng ; \
make ; make install

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index.htmlの作成
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/usr/local/mrtg-2/bin/indexmaker /etc/mrtg/traffic.cfg > /home/mrtg/public_html/index.html
/usr/local/mrtg-2/bin/indexmaker /etc/mrtg/cpu.cfg >> /home/mrtg/public_html/index.html
/usr/local/mrtg-2/bin/indexmaker /etc/mrtg/memory.cfg >> /home/mrtg/public_html/index.html
/usr/local/mrtg-2/bin/indexmaker /etc/mrtg/disk.cfg >> /home/mrtg/public_html/index.html

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cfgの作成
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./cfgmaker –ifref=name –ifdesc=name private@localhost > /etc/mrtg/test.cfg
./cfgmaker –ifref=descr –ifdesc=descr private@localhost > /etc/mrtg/test.cfg

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実行コマンド
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/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/traffic.cfg
/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/memory.cfg
/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/disk.cfg
/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/cpu_load_average.cfg
/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/cpu_percent.cfg
/bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/httpd.cfg

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CRONへの登録
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crontab -e

*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/traffic.cfg
*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/memory.cfg
*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/disk.cfg
*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/cpu_load_average.cfg
*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/cpu_percent.cfg
*/5 * * * * /bin/env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/httpd.cfg

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各CFGの設定
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/etc/mrtg/*.cfg に設置

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snmpd.confの設定
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/etc/init.d/snmpd restart