[{"data":1,"prerenderedAt":231},["ShallowReactive",2],{"tag-grub2-1":3},{"title":4,"articles":5,"hot_article":16,"month_arch":79,"total":227,"cover":228},"grub2 - 独孤影的博客",[6],{"id":7,"title":8,"uri":8,"author":9,"tags":10,"created_at":13,"view_count":14,"content":15},36,"grub2 配置修改","duguying",[11,12],"grub2","配置","2016-06-07 13:56:30",2823,"\u003Cp>grub是linux系统的引导程序，grub2相对于grub有较大的改变，centos7使用的便是grub2，\u002Fboot\u002Fgrub2\u002Fgrub.cfg 便是grub2的引导配置，但是你修改配置文件确不应该修改该文件。\u002Fboot\u002Fgrub2\u002Fgrub.cfg 这个文件是用工具生成的，工具是 grub2-mkconfig 。他所对应的源文件存储在 \u002Fetc\u002Fgrub.d 下面\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">➜  ~ ls \u002Fetc\u002Fgrub.d \n00_header  01_users  20_linux_xen     30_os-prober  41_custom\n00_tuned   10_linux  20_ppc_terminfo  40_custom     README\u003C\u002Fpre>\u003Cp>其中，40_custom 是你的配置应该添加的地方，比如我新编译了一个内核，希望添加一个新内核的启动项，我应该编辑 40_custom 入下\u003Cbr\u002F>\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">#!\u002Fbin\u002Fsh\nexec tail -n +3 $0\n# This file provides an easy way to add custom menu entries.  Simply type the\n# menu entries you want to add after this comment.  Be careful not to change\n# the 'exec tail' line above.\nmenuentry "My custom boot entry" {\n   set root=(hd0,1)\n   linux \u002Fboot\u002Fvmlinuz-4.4.12.x86_64\n   initrd \u002Fboot\u002Finitrd-4.4.12.img\n}\u003C\u002Fpre>\u003Cp>然后执行 grub2-mkconfig --output=\u002Fboot\u002Fgrub2\u002Fgrub.cfg ，你会发现在新生成的 grub.cfg 文件中包含了你的引导项配置，然后重启看看就可以发现新的启动项了。\u003C\u002Fp>\u003Cp>参考文献：\u003C\u002Fp>\u003Cp>[1] \u003Ca href=\"http:\u002F\u002Fsuperuser.com\u002Fquestions\u002F781300\u002Fsearching-for-grub-configuration-file-in-centos-7\" _src=\"http:\u002F\u002Fsuperuser.com\u002Fquestions\u002F781300\u002Fsearching-for-grub-configuration-file-in-centos-7\">http:\u002F\u002Fsuperuser.com\u002Fquestions\u002F781300\u002Fsearching-for-grub-configuration-file-in-centos-7\u003C\u002Fa> \u003C\u002Fp>",{"title":17,"list":18},"最热文章",[19,25,31,37,43,49,55,61,67,73],{"id":20,"title":21,"uri":22,"author":9,"created_at":23,"view_count":24},28,"docker容器目录与主机目录同步","\u002Farticle\u002Fdocker容器目录与主机目录同步","2014-12-31 12:34:08",15573,{"id":26,"title":27,"uri":28,"author":9,"created_at":29,"view_count":30},21,"beego中使用fis","\u002Farticle\u002Fbeego中使用fis","2014-12-03 10:47:56",9253,{"id":32,"title":33,"uri":34,"author":9,"created_at":35,"view_count":36},20,"用github登录，oauth开发","\u002Farticle\u002F用github登录，oauth开发","2014-11-23 13:33:37",9115,{"id":38,"title":39,"uri":40,"author":9,"created_at":41,"view_count":42},18,"windows服务注册工具nssm","\u002Farticle\u002Fwindows服务注册工具nssm","2014-10-31 21:34:39",9054,{"id":44,"title":45,"uri":46,"author":9,"created_at":47,"view_count":48},49,"用latex排版中文书籍","\u002Farticle\u002F用latex排版中文书籍","2016-10-31 11:12:02",8645,{"id":50,"title":51,"uri":52,"author":9,"created_at":53,"view_count":54},19,"texlive中文书签乱码","\u002Farticle\u002Ftexlive中文书签乱码","2014-11-15 02:54:01",8466,{"id":56,"title":57,"uri":58,"author":9,"created_at":59,"view_count":60},6,"Windows上的软件包管理器chocolatey","\u002Farticle\u002FWindows上的软件包管理器chocolatey","2014-08-10 15:55:22",8012,{"id":62,"title":63,"uri":64,"author":9,"created_at":65,"view_count":66},3,"利用开源和免费资源搭建CI环境","\u002Farticle\u002F利用开源和免费资源搭建CI环境","2014-07-04 16:54:58",7740,{"id":68,"title":69,"uri":70,"author":9,"created_at":71,"view_count":72},16,"php-fpm网站目录权限配置","\u002Farticle\u002Fphp-fpm网站目录权限配置","2014-10-18 01:36:10",7276,{"id":74,"title":75,"uri":76,"author":9,"created_at":77,"view_count":78},27,"sublime text 2插件开发，外部修改文件无法重新加载","\u002Farticle\u002Fsublime text 2插件开发，外部修改文件无法重新加载","2014-12-26 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