TipsAndTricks/Running YP binaries on Ubuntu and Vice Versa - Revision history

Bavery at 15:26, 24 March 2017

2017-03-24T15:26:29Z

← Older revision		Revision as of 15:26, 24 March 2017
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	= Fun with moving things between os's!=		= Fun with moving things between os's!=

	<span style="color:#FF0000"> ~~Note:~~		Note:
	* This is a <strong>hack</strong> to allow you to do some interesting things for experimental purposes. There are a large number of undiscovered ways this can fail. Use at your own risk :).</span>		* <span style="color:#FF0000">This is a <strong>hack</strong> to allow you to do some interesting things for experimental purposes. There are a large number of undiscovered ways this can fail. Use at your own risk :).</span>
	* also, the closer your versions of glibc are, the less likely you will have issues...		* also, the closer your versions of glibc are, the less likely you will have issues...
			* I am using Ubuntu as my example for "mainstream Linux desktop Distro" others should work similarly.
	== So, you want to run your ubuntu binary on qemux86-64 built with YP==		== So, you want to run your ubuntu binary on qemux86-64 built with YP==
	* We'll assume that the binary of interest is gawk. Chosen pretty randomly...		* We'll assume that the binary of interest is gawk. Chosen pretty randomly...

Bavery at 15:00, 24 March 2017

2017-03-24T15:00:12Z

← Older revision		Revision as of 15:00, 24 March 2017
Line 1:		Line 1:
	= Fun with moving things between os's!=		= Fun with moving things between os's!=

	<span style="color:#FF0000"> Note: This is a <strong>hack</strong> to allow you to do some interesting things for experimental purposes. There are a large number of undiscovered ways this can fail. Use at your own risk :).</span>		<span style="color:#FF0000"> Note:
			* This is a <strong>hack</strong> to allow you to do some interesting things for experimental purposes. There are a large number of undiscovered ways this can fail. Use at your own risk :).</span>
			* also, the closer your versions of glibc are, the less likely you will have issues...
	== So, you want to run your ubuntu binary on qemux86-64 built with YP==		== So, you want to run your ubuntu binary on qemux86-64 built with YP==
	* We'll assume that the binary of interest is gawk. Chosen pretty randomly...		* We'll assume that the binary of interest is gawk. Chosen pretty randomly...

Bavery at 23:53, 23 March 2017

2017-03-23T23:53:52Z

← Older revision		Revision as of 23:53, 23 March 2017
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	*** - SUCCESS! This means it ran:)		*** - SUCCESS! This means it ran:)
	*** But, what if you don't like modifying your binary? See Path2		*** But, what if you don't like modifying your binary? See Path2
	** Path2: change your system aka rootfs aka qemu image to accommodate ubuntu binaries:		** Path2: change your system aka rootfs aka qemu image to accommodate ubuntu binaries: (credit to sgw)
	*** What is the ubuntu gawk looking for anyway?		*** What is the ubuntu gawk looking for anyway?
	<code>		<code>

Bavery: /* So, you want to run your YP binary built for qemux86-64 on Ubuntu */

2017-03-23T23:52:18Z

So, you want to run your YP binary built for qemux86-64 on Ubuntu

← Older revision		Revision as of 23:52, 23 March 2017
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	Usage: gawk-qemux86-64 [POSIX or GNU style options] [--] 'program' file ...		Usage: gawk-qemux86-64 [POSIX or GNU style options] [--] 'program' file ...
	< more usage details ....>		< more usage details ....>

	</code>		</code>
	*** SUCCESS - Once I set the interpreter to the ubuntu loader and copied over the missing libreadline library (the one on my ubuntu box was libreadline6 ...) it worked. We ran a YP built Qemu binary on a std Ubuntu box!		*** SUCCESS - Once I set the interpreter to the ubuntu loader and copied over the missing libreadline library (the one on my ubuntu box was libreadline6 ...) it worked. We ran a YP built Qemu binary on a std Ubuntu box!

Bavery at 23:50, 23 March 2017

2017-03-23T23:50:21Z

← Older revision		Revision as of 23:50, 23 March 2017
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	-sh: ./gawk-ubuntu: No such file or directory		-sh: ./gawk-ubuntu: No such file or directory
	</code>		</code>
	* so, what does this mean? It means that the dynamic loader ("ELF interpreter") for the ubuntu binary "knows" what it is looking for and is not finding it on the qemux86-64 system. So, how can we "fix" this. I have 2 different ~~ways~~.		* so, what does this mean? It means that the dynamic loader ("ELF interpreter") for the ubuntu binary "knows" what it is looking for and is not finding it on the qemux86-64 system. So, how can we "fix" this. We have 2 different options.
	** Path 1: add patchelf to your qemux86-64 image, and use it to change the interpreter that gawk-ubuntu is looking for. Do this by		** Path 1: add patchelf to your qemux86-64 image, and use it to change the interpreter that gawk-ubuntu is looking for. Do this by
	<code> $ patchelf --set-interpreter /lib/ld-linux-x86-64.so.2 gawk-ubuntu </code>		<code> $ patchelf --set-interpreter /lib/ld-linux-x86-64.so.2 gawk-ubuntu </code>

Bavery: /* So, you want to run your ubuntu binary on qemux86-64 built with YP */

2017-03-23T23:49:52Z

So, you want to run your ubuntu binary on qemux86-64 built with YP

← Older revision		Revision as of 23:49, 23 March 2017
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	== So, you want to run your ubuntu binary on qemux86-64 built with YP==		== So, you want to run your ubuntu binary on qemux86-64 built with YP==
	* We'll assume that the binary of interest is gawk. Chosen pretty randomly...		* We'll assume that the binary of interest is gawk. Chosen pretty randomly...
	* I will call the ubuntu native gawk gawk-ubuntu. I got it by <code>cp /usr/bin/gawk ~/gawk-ubuntu </code>		* I will call the ubuntu native gawk gawk-ubuntu and the qemu gawk gawk-qemux86-64. I got it by <code>cp /usr/bin/gawk ~/gawk-ubuntu </code>
	* If I scp the gawk-ubuntu onto qemux86-64 and try to run it, I get the following:		* If I scp the gawk-ubuntu onto qemux86-64 and try to run it, I get the following:
	<code>		<code>
Line 50:		Line 50:
	</code>		</code>
	*** - SUCCESS! This means it ran using Path 2:)		*** - SUCCESS! This means it ran using Path 2:)

	== So, you want to run your YP binary built for qemux86-64 on Ubuntu ==		== So, you want to run your YP binary built for qemux86-64 on Ubuntu ==
	* You should read the prior information since this is a mirror image of the above.		* You should read the prior information since this is a mirror image of the above.

Bavery at 23:49, 23 March 2017

2017-03-23T23:49:19Z

← Older revision		Revision as of 23:49, 23 March 2017
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	< more usage details ....>		< more usage details ....>
	</code>		</code>
			*** - SUCCESS! This means it ran using Path 2:)
			== So, you want to run your YP binary built for qemux86-64 on Ubuntu ==
			* You should read the prior information since this is a mirror image of the above.
			** Only 1 path since I don't want to add random softlinks to interpreters on my main box. - Use patchelf
			*** If your distro doesn't have it, you can grab and build it in ~ 2 minutes from - https://github.com/NixOS/patchelf
			*** Then you use patchelf to set the loader for the qemux86-64 binary to the one on your ubuntu box and grab any needed libraries from either the running qemu instance using scp or just from the build dir itself. Code snippet here:
			<code>
			bavery@XX:~/src//poky$ ./patchelf/src/patchelf --set-interpreter /lib64/ld-linux-x86-64.so.2 gawk-qemux86-64
			bavery@XX:~/src//poky$ ./gawk-qemux86-64
			./gawk-qemux86-64: error while loading shared libraries: libreadline.so.7: cannot open shared object file: No such file or directory
			bavery@XX:~/src//poky$ LD_LIBRARY_PATH=`pwd` ./gawk-qemux86-64
			Usage: gawk-qemux86-64 [POSIX or GNU style options] -f progfile [--] file ...
			Usage: gawk-qemux86-64 [POSIX or GNU style options] [--] 'program' file ...
			< more usage details ....>

			</code>
			*** SUCCESS - Once I set the interpreter to the ubuntu loader and copied over the missing libreadline library (the one on my ubuntu box was libreadline6 ...) it worked. We ran a YP built Qemu binary on a std Ubuntu box!

Bavery at 23:34, 23 March 2017

2017-03-23T23:34:21Z

← Older revision		Revision as of 23:34, 23 March 2017
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	Usage: gawk-ubuntu [POSIX or GNU style options] -f progfile [--] file ...		Usage: gawk-ubuntu [POSIX or GNU style options] -f progfile [--] file ...
	Usage: gawk-ubuntu [POSIX or GNU style options] [--] 'program' file ...		Usage: gawk-ubuntu [POSIX or GNU style options] [--] 'program' file ...
	< more usage details ....>		< more usage details ....>
	</code>		</code>

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	Usage: gawk-ubuntu-orig [POSIX or GNU style options] -f progfile [--] file ...		Usage: gawk-ubuntu-orig [POSIX or GNU style options] -f progfile [--] file ...
	Usage: gawk-ubuntu-orig [POSIX or GNU style options] [--] 'program' file ...		Usage: gawk-ubuntu-orig [POSIX or GNU style options] [--] 'program' file ...
	< more usage details ....>		< more usage details ....>
	</code>		</code>

Bavery at 23:33, 23 March 2017

2017-03-23T23:33:59Z

@@ Line 12: / Line 12: @@
 * so, what does this mean? It means that the  dynamic loader ("ELF interpreter") for the ubuntu binary "knows" what it is looking for and is not finding it on the qemux86-64 system. So, how can we "fix" this. I have 2 different ways.
 ** Path 1: add patchelf to your qemux86-64 image, and use it to change the interpreter that gawk-ubuntu is looking for. Do this by
-  <code> $ patchelf --set-interpreter /lib/my-ld-linux.so.2 my-program
+  <code> $ patchelf --set-interpreter /lib/ld-linux-x86-64.so.2 gawk-ubuntu  </code>

Bavery at 23:22, 23 March 2017

2017-03-23T23:22:33Z

← Older revision		Revision as of 23:22, 23 March 2017
Line 10:		Line 10:
	-sh: ./gawk-ubuntu: No such file or directory		-sh: ./gawk-ubuntu: No such file or directory
	</code>		</code>
			* so, what does this mean? It means that the dynamic loader ("ELF interpreter") for the ubuntu binary "knows" what it is looking for and is not finding it on the qemux86-64 system. So, how can we "fix" this. I have 2 different ways.
			** Path 1: add patchelf to your qemux86-64 image, and use it to change the interpreter that gawk-ubuntu is looking for. Do this by
			<code> $ patchelf --set-interpreter /lib/my-ld-linux.so.2 my-program