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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'>Oops, forgot that important detail, running Ubuntu 12.10 as the host OS installed off media, and I have 12.10 running in these LXC containers built from the Ubuntu cloud distros (12.10 64bit). <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> Friday, April 05, 2013 4:09 PM<br><b>To:</b> David Parks<br><b>Cc:</b> LXC<br><b>Subject:</b> Re: [Lxc-users] eth0 not coming online in LXC environment<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Fri, Apr 5, 2013 at 10:33 AM, 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'>I’ve got an environment set up now where the host OS has a static IP directly connected to the LAN. I’m bridging the containers to have their own static LAN IP as well.<o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal> <o:p></o:p></p></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'>When I start my container eth0 is *<b>not</b>* configured. If I manually add `eth0=eth0` in /run/network/ifstate and `service restart networking`, it gets configured properly.<o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></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'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>After looking at dmesg output I noticed that there are (unexpected) references to em1, which is the host’s physical NIC.<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'>The bridging all works, networking is fine, it’s just when I start the container, rebooting reproduces the problem, then manually updating ifstate and rebooting resolves it.<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'>I’m not sure how to configure it so it configure eth0 on reboot as I would expect.<o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Well, a description on which distro/version you're running as host and container would be nice.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Short version is if you use Ubuntu (preferably quantal/raring for newer lxc version, but precise is also fine), then it will just work. If you use some other combination (e.g. Centos for container), then be prepared for hickups.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I had problems with Centos container, and the "fix" was to force-clean /var/run and /var/lock/subsys on container startup: <a href="https://github.com/fajarnugraha/lxc/blob/centos-template/templates/lxc-centos.in#L90">https://github.com/fajarnugraha/lxc/blob/centos-template/templates/lxc-centos.in#L90</a><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><p class=MsoNormal>Fajar<o:p></o:p></p></div></div></div></div></div></body></html>