<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ah, You are a scholar and a gentleman Fajar. Your email just saved us untold hours of toil. Now I see how those FS’s are mounted, I wasn’t aware of this other fstab, I removed the noexec mount option and all is well now. We’ve been tracking a related issues for 4 days now. Thank you!!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Incidentally, to your question, this is a 12.04 ‘ubuntu’ template container running under a 12.10 host (the application, cloudera/hadoop, was super picky about versions).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>David<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Fajar A. Nugraha [mailto:list@fajar.net] <br><b>Sent:</b> Monday, April 22, 2013 3:02 PM<br><b>To:</b> David Parks<br><b>Cc:</b> LXC<br><b>Subject:</b> Re: [Lxc-users] Can't execute a python shell script from /run/*<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Apr 22, 2013 at 2:44 PM, David Parks <<a href="mailto:davidparks21@yahoo.com" target="_blank">davidparks21@yahoo.com</a>> wrote:<o:p></o:p></p><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We’re running an app that installs some files to <span style='font-family:"Courier New"'>/run</span> and needs to execute a python script in that directory.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Even the root user is denied permission to execute the script, which tells me that LXC (presumably AppArmor) is blocking access to running a script under <span style='font-family:"Courier New"'>/run/*</span><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Nope.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>On my host:<o:p></o:p></p></div><div><div><p class=MsoNormal>tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>... which is mounted from /lib/init/fstab. noexec prevents running any executable there.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Now what's interesting is that my ubuntu template (0.9.0-0ubuntu2) specifically create an empty /lib/init/fstab, so you shouldn't even have a /run mount entry in a container. What is the content of that file on your container? Or perhaps you manually have an entry for /run on your container's fstab?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-- <o:p></o:p></p></div></div><div><p class=MsoNormal>Fajar<o:p></o:p></p></div></div></div></div></div></body></html>