幾年前學生時代的筆記,不確定正確性


PA: physical address
VA: virture address

按下開機紐,送出signal給主機板叫他開始power supply
在所有裝置都收到正確的power後,主機板送Power OK signal給Bios
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Spring要用3.1以上版本

applicationContex.xml
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<beans>
<beans profile="LOCAL">
<context:property-placeholder location="classpath*:META-INF/spring/local/*.properties" />
</beans>
<beans profile="PRODUCTION">
<context:property-placeholder location="classpath*:META-INF/spring/production/*.properties" />
</beans>
</beans>

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Something

bind9支援dynamic dns update request,可以動態的在remote送出dns update去更改dns server zone的設定
bind9在接收到dns update request後會先在/etc/bind/底下新增db-abc.com.tw.jnl,以之達成動態修改db-abc.com.tw文件,db-abc.com.tw文件會在下次server restart時才真正寫入
當然在zone中要設定allow-update,預設是不允許的

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Cwza

Hello everyone.
I’m cwza.
Welcome to my blog.


Software Engineer


Taiwan/Taipei