{"id":1196,"date":"2012-10-23T08:43:28","date_gmt":"2012-10-23T06:43:28","guid":{"rendered":"http:\/\/www.dotmana.com\/weblog\/?p=1196"},"modified":"2012-10-23T08:52:39","modified_gmt":"2012-10-23T06:52:39","slug":"ubuntu-12-04-passphrase-blank-screen","status":"publish","type":"post","link":"http:\/\/www.dotmana.com\/weblog\/2012\/10\/ubuntu-12-04-passphrase-blank-screen\/","title":{"rendered":"Ubuntu 12.04 : passphrase blank screen"},"content":{"rendered":"<p>Si vous utilisez Ubuntu 12.04, en version alternate, avec les disques chiffr\u00e9s via Luks, Grub et\/ou l&#8217;\u00e9cran de demande de passphrase peut ne pas appara\u00eetre (\u00e9cran vide ou noir).<\/p>\n<p>Il y a un probl\u00e8me de fonts \u00e0 recopier :<\/p>\n<blockquote><p>cd \/usr\/share\/grub\/<\/p>\n<p>sudo cp *.pf2 \/boot\/grub<\/p><\/blockquote>\n<p>Puis il faut modifier le fichier \/etc\/default\/grub pour coller avec les param\u00e8tres suivants (en gras les param\u00e8tres \u00e0 modifier) :<\/p>\n<blockquote><p># If you change this file, run &#8216;update-grub&#8217; afterwards to update<br \/>\n# \/boot\/grub\/grub.cfg.<br \/>\n# For full documentation of the options in this file, see:<br \/>\n#\u00a0\u00a0 info -f grub -n &#8216;Simple configuration&#8217;<\/p>\n<p>GRUB_DEFAULT=0<br \/>\n<strong>#GRUB_HIDDEN_TIMEOUT=0<\/strong><br \/>\n<strong> #GRUB_HIDDEN_TIMEOUT_QUIET=true<\/strong><br \/>\nGRUB_TIMEOUT=10<br \/>\nGRUB_DISTRIBUTOR=`lsb_release -i -s 2&gt; \/dev\/null || echo Debian`<br \/>\nGRUB_CMDLINE_LINUX_DEFAULT=&#8221;quiet splash <strong>nomodeset<\/strong>&#8221;<br \/>\nGRUB_CMDLINE_LINUX=&#8221;&#8221;<\/p>\n<p># Uncomment to enable BadRAM filtering, modify to suit your needs<br \/>\n# This works with Linux (no patch required) and with any kernel that obtains<br \/>\n# the memory map information from GRUB (GNU Mach, kernel of FreeBSD &#8230;)<br \/>\n#GRUB_BADRAM=&#8221;0x01234567,0xfefefefe,0x89abcdef,0xefefefef&#8221;<\/p>\n<p># Uncomment to disable graphical terminal (grub-pc only)<br \/>\n#GRUB_TERMINAL=console<\/p>\n<p># The resolution used on graphical terminal<br \/>\n# note that you can use only modes which your graphic card supports via VBE<br \/>\n# you can see them in real GRUB with the command `vbeinfo&#8217;<br \/>\n<strong>GRUB_GFXMODE=1280x1024x32,1280&#215;1024,640&#215;480<\/strong><br \/>\n<strong> GRUB_GFXPAYLOAD_LINUX=1280&#215;1024<\/strong><\/p>\n<p># Uncomment if you don&#8217;t want GRUB to pass &#8220;root=UUID=xxx&#8221; parameter to Linux<br \/>\n#GRUB_DISABLE_LINUX_UUID=true<\/p>\n<p># Uncomment to disable generation of recovery mode menu entries<br \/>\n#GRUB_DISABLE_RECOVERY=&#8221;true&#8221;<\/p>\n<p># Uncomment to get a beep at grub start<br \/>\n#GRUB_INIT_TUNE=&#8221;480 440 1&#8243;<\/p><\/blockquote>\n<p>Puis lancer la commande :<\/p>\n<blockquote><p>sudo update-grub<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si vous utilisez Ubuntu 12.04, en version alternate, avec les disques chiffr\u00e9s via Luks, Grub et\/ou l&#8217;\u00e9cran de demande de passphrase peut ne pas appara\u00eetre (\u00e9cran vide ou noir). Il y a un probl\u00e8me de fonts \u00e0 recopier : cd &hellip; <a href=\"http:\/\/www.dotmana.com\/weblog\/2012\/10\/ubuntu-12-04-passphrase-blank-screen\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1196","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/1196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/comments?post=1196"}],"version-history":[{"count":5,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/1196\/revisions"}],"predecessor-version":[{"id":1201,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/1196\/revisions\/1201"}],"wp:attachment":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/media?parent=1196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/categories?post=1196"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/tags?post=1196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}