{"id":1807,"date":"2014-01-21T10:15:46","date_gmt":"2014-01-21T10:15:46","guid":{"rendered":"http:\/\/blog.designed79.co.uk\/?p=1807"},"modified":"2014-03-03T12:57:45","modified_gmt":"2014-03-03T12:57:45","slug":"netboot-10-9-on-older-macs","status":"publish","type":"post","link":"https:\/\/blog.designed79.co.uk\/?p=1807","title":{"rendered":"Netboot 10.9 on older Mac&#8217;s"},"content":{"rendered":"<p>Keep getting no-entry signs booting from a net boot image made on a mac that boots fine from the same image when its on a HDD ? New Macs Netboot fine but old ones don&#8217;t ? Check the kernalcache in the .nbi folder.<\/p>\n<p>TFTP original file limits is 32MB. I think new models have removed this limit in there firmware. All my old NB images kernalcache files are under that size.<\/p>\n<p>10.9.x ones are 35MB so won&#8217;t TFTP to the older macs. If I remove unused kexts and build the image the kernalcache is under 32MB and EVERYTHING boots !!!!<\/p>\n<p>I think Apple needs to look at system image utility and make it more selective on needed kexts<\/p>\n<p>UPDATE: \u00a0I have written 2 scripts that will rebuild the kernelcache for you. \u00a0makecache.sh is a simple cache rebuilder where\u00a0makecachedrop.sh will do everything for you including growing the DMG<\/p>\n<p><a href=\"https:\/\/blog.designed79.co.uk\/wp-content\/uploads\/2014\/01\/makecachescripts.zip\">makecachescripts<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Keep getting no-entry signs booting from a net boot image made on a mac that boots fine from the same image when [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1807","post","type-post","status-publish","format-standard","hentry","category-info-on-tech"],"_links":{"self":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1807"}],"version-history":[{"count":0,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1807\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}