{"id":12,"date":"2021-10-25T20:58:06","date_gmt":"2021-10-25T12:58:06","guid":{"rendered":"http:\/\/demonyun.com\/?p=12"},"modified":"2021-10-25T22:05:57","modified_gmt":"2021-10-25T14:05:57","slug":"centos7-%e9%80%89%e5%ae%9a%e9%bb%98%e8%ae%a4%e5%90%af%e5%8a%a8%e5%86%85%e6%a0%b8%ef%bc%8c%e5%8f%8a%e5%88%a0%e9%99%a4%e6%97%a0%e7%94%a8%e5%86%85%e6%a0%b8","status":"publish","type":"post","link":"https:\/\/demonyun.com\/?p=12","title":{"rendered":"CentOS7 \u9009\u5b9a\u9ed8\u8ba4\u542f\u52a8\u5185\u6838\uff0c\u53ca\u5220\u9664\u65e0\u7528\u5185\u6838"},"content":{"rendered":"\n

\u4f7f\u7528 cat \/boot\/grub2\/grub.cfg |grep menuentry \u67e5\u770b\u7cfb\u7edf\u53ef\u7528\u5185\u6838<\/h1>\n\n\n\n

[root@localhost ~]# cat \/boot\/grub2\/grub.cfg |grep menuentry
if [ x”${feature_menuentry_id}” = xy ]; then
menuentry_id_option=”–id”
menuentry_id_option=””
export menuentry_id_option
menuentry ‘CentOS Linux (3.10.0-514.16.1.el7.x86_64) 7 (Core)’ –class centos –class gnu-linux –class gnu –class os –unrestricted $menuentry_id_option ‘gnulinux-3.10.0-327.el7.x86_64-advanced-6f5840d0-55ac-4d3b-899b-61c0297c5347’ {
menuentry ‘CentOS Linux (3.10.0-327.el7.x86_64) 7 (Core)’ –class centos –class gnu-linux –class gnu –class os –unrestricted $menuentry_id_option ‘gnulinux-3.10.0-327.el7.x86_64-advanced-6f5840d0-55ac-4d3b-899b-61c0297c5347’ {
menuentry ‘CentOS Linux (0-rescue-d57307c454c0437d91c309347178cdf5) 7 (Core)’ –class centos –class gnu-linux –class gnu –class os –unrestricted $menuentry_id_option ‘gnulinux-0-rescue-d57307c454c0437d91c309347178cdf5-advanced-6f5840d0-55ac-4d3b-899b-61c0297c5347’ {<\/p><\/blockquote>\n\n\n\n

\u67e5\u770b\u5f53\u524d\u5185\u6838<\/h1>\n\n\n\n

[root@localhost ~]# uname -r
3.10.0-514.16.1.el7.x86_64<\/p><\/blockquote>\n\n\n\n

\u4fee\u6539\u5f00\u673a\u65f6\u9ed8\u8ba4\u4f7f\u7528\u7684\u5185\u6838<\/h1>\n\n\n\n

[root@localhost ~]# grub2-set-default ‘CentOS Linux (3.10.0-327.el7.x86_64) 7 (Core)’<\/p><\/blockquote>\n\n\n\n

\u67e5\u770b\u5185\u6838\u4fee\u6539\u7ed3\u679c<\/h1>\n\n\n\n

[root@localhost ~]# grub2-editenv list
saved_entry=CentOS Linux (3.10.0-327.el7.x86_64) 7 (Core)<\/p><\/blockquote>\n\n\n\n

\u67e5\u770b\u7cfb\u7edf\u5b89\u88c5\u4e86\u54ea\u4e9b\u5185\u6838\u5305<\/h1>\n\n\n\n

[root@localhost ~]# rpm -qa |grep kernel
kernel-3.10.0-327.el7.x86_64
kernel-headers-3.10.0-514.6.1.el7.x86_64
kernel-tools-libs-3.10.0-327.el7.x86_64
kernel-3.10.0-514.16.1.el7.x86_64
kernel-tools-3.10.0-327.el7.x86_64<\/p><\/blockquote>\n\n\n\n

\u4f7f\u7528 yum remove \u6216 rpm -e \u5220\u9664\u65e0\u7528\u5185\u6838<\/h1>\n\n\n\n

[root@localhost ~]# yum remove kernel-3.10.0-327.el7.x86_64<\/p><\/blockquote>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f7f\u7528 cat \/boot\/grub2\/grub.cfg |grep menuentry \u67e5\u770b\u7cfb\u7edf\u53ef\u7528… \u7ee7\u7eed\u9605\u8bfb CentOS7 \u9009\u5b9a\u9ed8\u8ba4\u542f\u52a8\u5185\u6838\uff0c\u53ca\u5220\u9664\u65e0\u7528\u5185\u6838<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","hentry","category-os","h-entry","h-as-article"],"_links":{"self":[{"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demonyun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12"}],"version-history":[{"count":4,"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":24,"href":"https:\/\/demonyun.com\/index.php?rest_route=\/wp\/v2\/posts\/12\/revisions\/24"}],"wp:attachment":[{"href":"https:\/\/demonyun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demonyun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demonyun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}