{"id":11984,"date":"2022-09-16T03:22:37","date_gmt":"2022-09-16T03:22:37","guid":{"rendered":"https:\/\/www.varidata.com\/kb\/how-to-upgrade-from-ubuntu-18-04-lts-to-20-04-lts"},"modified":"2022-10-10T02:58:28","modified_gmt":"2022-10-10T02:58:28","slug":"how-to-upgrade-from-ubuntu-18-04-lts-to-20-04-lts","status":"publish","type":"kb","link":"https:\/\/www.varidata.com\/zh-cn\/kb\/how-to-upgrade-from-ubuntu-18-04-lts-to-20-04-lts\/","title":{"rendered":"\u5982\u4f55\u4eceUbuntu 18.04LTS\u5347\u7ea7\u523020.04 LTS"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row gap=&#8221;25&#8243; css=&#8221;.vc_custom_1659597621929{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1659597638453{margin-top: 0px !important;padding-top: 0px !important;border-radius: 20px !important;}&#8221;][vc_column_text el_class=&#8221;sub-title&#8221; css=&#8221;.vc_custom_1659597647622{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;}&#8221;]\u76ee\u7684[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1663211234175{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u7684\u66f4\u65b0\u6709\u52a9\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u65e7\u7248\u672c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5b58\u5728\u7684\u4efb\u4f55\u6f0f\u6d1e\u7684\u98ce\u9669\u3002Ubuntu 20.04 LTS\uff08Focal Fossa\uff09\u7248\u672c\u5b89\u5168\u8865\u4e01\u548c\u66f4\u65b0\u53ef\u4f7f\u7528\u81f32025\u5e74\u3002\u5728\u672c\u6587\u6211\u4eec\u5c06\u4ecb\u7ecd\u4eceUbuntu 18.04 LTS\u5347\u7ea7\u5230Ubuntu 20.04 LTS\u7684\u57fa\u672c\u64cd\u4f5c\u3002<br \/>\n\u6ce8\u610f\uff1a\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u5b58\u5728\u6570\u636e\u4e22\u5931\u98ce\u9669\uff0c\u56e0\u6b64\u5728\u6b64\u63d0\u9192\u60a8\u52a1\u5fc5\u5148\u5907\u4efd\u670d\u52a1\u5668\u6570\u636e\uff0c\u518d\u8fdb\u884c\u5347\u7ea7\u64cd\u4f5c\u3002<br \/>\n[\/vc_column_text][vc_column_text el_class=&#8221;sub-title&#8221; css=&#8221;.vc_custom_1663212985480{margin-bottom: 0px !important;}&#8221;]\u5347\u7ea7\u51c6\u5907[\/vc_column_text][vc_column_text el_class=&#8221;sub-title&#8221; css=&#8221;.vc_custom_1663212344452{margin-top: 0px !important;margin-bottom: 0px !important;}&#8221;]\u5347\u7ea7\u8fd0\u884c[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1663212363780{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]\u5728\u5347\u7ea7\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u670d\u52a1\u5668\u6570\u636e\u5df2\u7ecf\u5907\u4efd\uff0c\u5426\u5219\u5728\u5347\u7ea7\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u4e2d\u65ad\u5347\u7ea7\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u635f\u574f\u548c\u4e0d\u7a33\u5b9a\u7b49\u60c5\u51b5\u51fa\u73b0\u3002<br \/>\n[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1665370828319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 15px !important;}&#8221;]1. \u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u8fd0\u884c\u64cd\u4f5c\u7cfb\u7edf\u5347\u7ea7\u5de5\u5177\u3002<\/p>\n<p>\u4e3a\u4e86\u786e\u4fdd\u5347\u7ea7\u8fc7\u7a0b\u4e0d\u88ab\u6253\u65ad\uff0c\u5efa\u8bae\u901a\u8fc7\u9762\u677f\u4e0b\u670d\u52a1\u5668\u7684\u63a7\u5236\u53f0\u9009\u9879\u6765\u5b8c\u6210\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<pre><code># do-release-upgrade<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img1.png\" \/>[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1665370790170{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 15px !important;}&#8221;]2. \u9700\u8981\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u6570\u91cf\u3001\u9700\u8981\u4e0b\u8f7d\u7684\u6570\u636e\u7684\u603b\u5927\u5c0f\u4ee5\u53ca\u5b8c\u6210\u5347\u7ea7\u8fc7\u7a0b\u6240\u9700\u7684\u5927\u7ea6\u65f6\u95f4\u7684\u7b80\u8981\u6458\u8981\uff0c\u4f1a\u5728\u547d\u4ee4\u6267\u884c\u7684\u6700\u540e\u663e\u793a\u51fa\u6765\u3002<\/p>\n<p>\u8f93\u5165\u201cY\u201d \u8fdb\u884c\u5347\u7ea7\uff1a<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img5.png\" \/><\/p>\n<p>[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1665370877711{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 15px !important;}&#8221;]3. \u5347\u7ea7\u8fc7\u7a0b\u5c06\u9700\u8981\u56de\u7b54\u95ee\u9898\uff0c\u5305\u62ec\uff1a<\/p>\n<p>a\uff09\u5347\u7ea7\u671f\u95f4\u662f\u5426\u540c\u610f\u4e0d\u7ecf\u8be2\u95ee\u91cd\u542f\u670d\u52a1\uff1f<br \/>\n\u56de\u7b54\u201cYes\u201d\uff1a\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u4f1a\u81ea\u52a8\u91cd\u542f\u670d\u52a1\u3002<br \/>\n\u56de\u7b54\u201cNo\u201d\uff1a\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u4f1a\u63d0\u793a\u91cd\u542f\u670d\u52a1\u3002<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img6.png\" \/><\/p>\n<p>b) \u914d\u7f6eLSD<br \/>\n\u5982\u679c\u60a8\u4e0d\u786e\u5b9a\u54ea\u4e2a\u7248\u672c\uff0c\u5efa\u8bae\u9009\u62e94.0\u7248\u672c\u3002<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img7.png\" \/><\/p>\n<p>c) \u914d\u7f6eopenssh\u670d\u52a1\u5668<br \/>\n\u4fdd\u6301\u5f53\u524d\u5b89\u88c5\u672c\u5730\u7248\u672c\u7684\u9009\u9879\uff1a<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img8.png\" \/><\/p>\n<p>d) R\u5220\u9664\u65e7\u7684\u8f6f\u4ef6\u5305\uff1a<br \/>\n\u5efa\u8bae\u5220\u9664\u670d\u52a1\u5668\u4e2d\u65e7\u7684\u8f6f\u4ef6\u5305\uff0c\u4ee5\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\u3002<br \/>\n\u8f93\u5165y \u7ee7\u7eed\uff1a<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img9.png\" \/><\/p>\n<p>[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1665370917550{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 15px !important;}&#8221;]4. \u4e00\u65e6\u5b8c\u6210\u5347\u7ea7\uff0c\u4f1a\u770b\u5230\u91cd\u542f\u670d\u52a1\u5668\u7684\u63d0\u793a\u3002<br \/>\n\u8f93\u5165y \u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\u3002<br \/>\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img10.png\" \/><br \/>\n[\/vc_column_text][vc_column_text el_class=&#8221;content&#8221; css=&#8221;.vc_custom_1665370928462{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 15px !important;}&#8221;]5. \u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\u540e\uff0c\u4ee5root\u8eab\u4efd\u767b\u5f55\uff0c\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u5f53\u524d\u7684Ubuntu\u7248\u672c\u6765\u9a8c\u8bc1\u6b64\u6b21\u5347\u7ea7\u662f\u5426\u6210\u529f\u3002<\/p>\n<pre><code># lsb_release -a<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/09\/ub-18-20-img11.png\" \/><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"featured_media":0,"template":"","kb_category":[465],"class_list":["post-11984","kb","type-kb","status-publish","hentry","kb_category-ubuntu-sc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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