{"id":1164,"date":"2021-03-16T10:18:55","date_gmt":"2021-03-16T02:18:55","guid":{"rendered":"\/?p=1164"},"modified":"2021-03-16T10:18:56","modified_gmt":"2021-03-16T02:18:56","slug":"3-10%e7%8e%af%e5%9b%9e%e6%96%87%e4%bb%b6%e5%92%8c%e6%8c%82%e8%bd%bd","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=1164","title":{"rendered":"3.10\u73af\u56de\u6587\u4ef6\u548c\u6302\u8f7d"},"content":{"rendered":"\n<p>\u73af\u56deloopback\u6587\u4ef6\u7cfb\u7edf\u662fLinux\u7cfb\u7edf\u4e2d\u975e\u5e38\u6709\u8da3\u7684\u4e00\u4e2a\u90e8\u5206,\u6211\u4eec\u901a\u5e38\u5728\u8bbe\u5907\u4e0a\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf,\u8fd9\u4e9b\u5b58\u50a8\u8bbe\u5907\u80fd\u591f\u4ee5\u4e00\u79cd\u8bbe\u5907\u6587\u4ef6\u7684\u5f62\u5f0f\u6765\u4f7f\u7528 \/dev\/device_name,\u4e3a\u4e86\u4f7f\u7528\u5b58\u50a8\u8bbe\u5907\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf,\u6211\u4eec\u9700\u8981\u5c06\u5176\u6302\u8f7d\u5230\u4e00\u4e9b\u88ab\u79f0\u4e3a\u6302\u8f7d\u70b9\u7684\u76ee\u5f55\u4e0a,\u73af\u56de\u6587\u4ef6\u7cfb\u7edf\u5c31\u662f\u6307\u90a3\u4e9b\u5728\u6587\u4ef6\u4e2d\u800c\u975e\u5728\u7269\u7406\u8bbe\u5907\u4e2d\u521b\u5efa\u7684\u6587\u4ef6\u8bbe\u5907,\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u6587\u4ef6\u6302\u8f7d\u5230\u6302\u8f7d\u70b9\u4e0a,\u5c31\u597d\u6bd4\u8bbe\u5907\u4e00\u6837<\/p>\n\n\n\n<p>\u73af\u56de\u6587\u4ef6\u7cfb\u7edf\u5728\u6587\u4ef6\u4e4b\u4e2d,\u6211\u4eec\u901a\u8fc7\u5c06\u73af\u56de\u6587\u4ef6\u94fe\u63a5\u5230\u4e00\u4e2a\u8bbe\u5907\u6587\u4ef6\u6765\u8fdb\u884c\u6302\u8f7d,\u5e38\u89c1\u7684\u5c31\u662f\u521d\u59cb\u5316\u5185\u5b58\u6587\u4ef6,\u5176\u4f4d\u4e8e\/boot\/initrd.img,\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b58\u50a8\u4e86\u4e00\u4e2a\u7528\u4e8e\u5185\u6838\u7684\u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf,\u6211\u4eec\u5982\u4f55\u5728\u4e00\u4e2a1GB\u7684\u6587\u4ef6\u4e2d\u521b\u5efa\u4e00\u4e2aext4\u7684\u6587\u4ef6\u7cfb\u7edf<\/p>\n\n\n\n<p>\u9996\u5148\u662f\u521b\u5efa\u4e00\u4e2a1GB\u5927\u5c0f\u7684\u6587\u4ef6<\/p>\n\n\n\n<p>dd if=\/dev\/zero of=loopbackfile.img bs=1G count=1<\/p>\n\n\n\n<p>\u7136\u540e\u4f7f\u7528mkfs\u547d\u4ee4\u683c\u5f0f\u5316\u8fd9\u4e2a1GB\u7684\u6587\u4ef6<\/p>\n\n\n\n<p>mkfs.ext4 loopbackfile.img<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u547d\u4ee4\u5c06\u6587\u4ef6\u683c\u5f0f\u5316\u6210ext4\u6587\u4ef6\u7cfb\u7edf,\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf<\/p>\n\n\n\n<p>sudo file loopbackfile.img<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u6302\u8f7d\u73af\u56de\u6587\u4ef6\u4e86<\/p>\n\n\n\n<p>mount -o loop loopback.img \/mnt\/loopback<\/p>\n\n\n\n<p>-o loop\u53ef\u4ee5\u7528\u6765\u6302\u8f7d\u73af\u56de\u6587\u4ef6<\/p>\n\n\n\n<p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u76f4\u63a5\u6302\u8f7d\u5230\u4e00\u4e2a\/dev\/loop1\u6216\u8005loop2\u7684\u8bbe\u5907\u4e0a<\/p>\n\n\n\n<p>\u5728lookback.img\u4e2d\u521b\u5efa\u5206\u533a\u5e76\u6302\u8f7d\u7b2c\u4e00\u4e2a\u5206\u533a<\/p>\n\n\n\n<p>losetup -o 32256 \/dev\/loop2 loopback.img<\/p>\n\n\n\n<p>-o\u8868\u793a\u4e86\u504f\u79fb\u91cf,33256\u5b57\u8282\u4e4b\u540e\u5c31\u5f00\u59cb\u4e86<\/p>\n\n\n\n<p>\u6211\u4eec\u5982\u679c\u9700\u8981\u5378\u8f7d umount \u4f7f\u7528\u5982\u4e0b\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p>unmount mount_point<\/p>\n\n\n\n<p>\u6211\u4eec\u6765\u8bbe\u7f6e\u4e00\u4e0bISO\u6587\u4ef6\u4f5c\u4e3a\u73af\u56de\u6587\u4ef6\u8fdb\u884c\u6302\u8f7d<\/p>\n\n\n\n<p>ISO\u6587\u4ef6\u662f\u4efb\u610f\u79cd\u7c7b\u5149\u5b66\u5b58\u50a8\u4ecb\u8d28\u7684\u5f52\u6863,\u6211\u4eec\u53ef\u4ee5\u50cf\u662f\u6302\u8f7d\u7269\u7406\u5149\u76d8\u4e00\u6837,\u6302\u8f7dISO\u6587\u4ef6<\/p>\n\n\n\n<p>\u6302\u8f7d\u70b9\u662f\u4e00\u4e2a\u76ee\u5f55,\u53ef\u4ee5\u901a\u8fc7\u6587\u4ef6\u7cfb\u7edf\u8bbf\u95ee\u8bbe\u5907\u5185\u5bb9\u7684\u8def\u5f84,\u53ef\u4ee5\u7528\u4e00\u4e2a\u975e\u7a7a\u7684\u76ee\u5f55\u4f5c\u4e3a\u6302\u8f7d\u8def\u5f84,\u76f4\u5230\u8bbe\u5907\u88ab\u5378\u8f7d,\u8fd9\u4e2a\u6302\u8f7d\u8def\u5f84\u4e2d\u5305\u542b\u7684\u90fd\u662f\u6765\u81ea\u8bbe\u5907\u7684\u6570\u636e,\u800c\u975e\u539f\u59cb\u76ee\u5f55\u4e2d\u7684\u5185\u5bb9<\/p>\n\n\n\n<p>\u5982\u679c\u4fee\u6539\u4e86\u6302\u8f7d\u8bbe\u5907,\u90a3\u4e48\u4e0d\u4f1a\u7acb\u523b\u751f\u6548,\u800c\u662f\u653e\u5165\u7f13\u5b58\u533a,\u76f4\u5230\u7f13\u5b58\u533a\u88ab\u5199\u6ee1\u4e86<\/p>\n\n\n\n<p>\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sync\u547d\u4ee4\u6765\u5c06\u5176\u7acb\u523b\u5199\u5165\u66f4\u6539<\/p>\n\n\n\n<p>#sync<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u73af\u56deloopback\u6587\u4ef6\u7cfb\u7edf\u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/1164"}],"collection":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1164"}],"version-history":[{"count":0,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/1164\/revisions"}],"wp:attachment":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}