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wiki:qemupxe [2009/05/22 17:24]
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wiki:qemupxe [2009/05/23 08:10] (current)
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 ====== How to use qemu with pxe? ====== ====== How to use qemu with pxe? ======
  
-you can refer the wiki page [[http://​www.etherboot.org/​wiki/​doku.php|official wiki]] for more details.+you can refer the wiki page [[http://​www.etherboot.org/​wiki/​qemu|official wiki]] for more details.
 This page contains my experiences. This page contains my experiences.
  
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   - [[http://​etherboot.org/​gtest/​initrd.bz2]]   - [[http://​etherboot.org/​gtest/​initrd.bz2]]
  
-Then I modified the **gtest.gpxe** to use //tftp// instead of //​http//​.\\ +Then I modified the //gtest.gpxe// to use //tftp// instead of //​http//​.\\ 
-Edited contents of my **gtest.gpxe** are as follows+Edited contents of my //gtest.gpxe// are as follows
 <​code>​ <​code>​
 #!gpxe #!gpxe
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 Then I used qemu with bootp to boot with tftp in following way. Then I used qemu with bootp to boot with tftp in following way.
 <​code>​ <​code>​
-qemu -bootp #!gpxe +qemu -bootp tftp://​10.0.0.88//​gtest.gpxe -tftp /​home/​myname/​pxe/​ -fda gpxe.dsk
-  2 kernel tftp://​10.0.0.88//​bz2bzImage root=100 +
-  3 initrd tftp://​10.0.0.88//​initrd.bz2 +
-  4 boot +
-qemu -bootp tftp://​10.0.0.88//​gtest.gpxe -tftp /​home/​myname/​pxe/​ -fda gpxe.pdsk+
 </​code>​ </​code>​
  
 The IP address used here //​10.0.0.88//​ can be anything, It's not the IP address of my machine. The IP address used here //​10.0.0.88//​ can be anything, It's not the IP address of my machine.
-As long as you use the same IP address in qemu command and in **gtest.gpxe** file, it should work.+As long as you use the same IP address in qemu command and in //gtest.gpxe// file, it should work.
  
 ==== How it works? ==== ==== How it works? ====
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   - Firstly, it will simulate the //dhcpd// server and return the 10.0.0.88 IP address to the booting pxe.   - Firstly, it will simulate the //dhcpd// server and return the 10.0.0.88 IP address to the booting pxe.
   - Next, It will simulate //tftp// server, with root directory at ///​home/​myname/​pxe///​ and provides files from that location to the pxe.   - Next, It will simulate //tftp// server, with root directory at ///​home/​myname/​pxe///​ and provides files from that location to the pxe.
-  - pxe assumes that it is talking to //tftp// server and its request for file+  - pxe assumes that it is talking to //tftp// server and its request for file <​code>​tftp://​10.0.0.88//​gtest.gpxe</​code>​ will be mapped to ///​home/​myname/​pxe/​gtest.gpxe//​ file.
  
 +===== qemu with HTTP =====
 +For this test, all that you need to have is gpxe.dsk and following command should work without any problems.
 +<​code>​
 +qemu -fda gpxe.dsk -net nic -net user -bootp http://​etherboot.org/​gtest/​gtest.gpxe
 +</​code>​
 +
 +I also created the copy of gtest on my own web server for testing purpose, and it worked with following command.
 +<​code>​
 +$ qemu -fda gpxe.dsk -net nic -net user -bootp http://​10.0.0.2/​gpxe/​gtest.gpxe
 +</​code>​
  

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