问题来源
想在买的VPS上搭点博客服务，偏爱于动态博客之类的，选用了nodejs，范围一下就减小了，一开始看中了N-blog。需要安装bower，如果在安装的时候，一直提示npm版本问题：
npmWARNdeprecatedThisversionofnpmlackssupportforimportantfeatures,npmWARNdeprecatedsuchasscopedpackages,offeredbytheprimarynpmnpmWARNdeprecatedregistry.Considerupgradingtoatleastnpm@2,ifnotthenpmWARNdeprecatedlateststableversion.Toupgradetonpm@2,run:npmWARNdeprecatednpmWARNdeprecatednpm-ginstallnpm@latest-2npmWARNdeprecatednpmWARNdeprecatedToupgradetothelateststableversion,run:npmWARNdeprecatednpmWARNdeprecatednpm-ginstallnpm@latestnpmWARNdeprecatednpmWARNdeprecated(DependingonhowNode.jswasinstalledonyoursystem,younpmWARNdeprecatedmayneedtoprefixtheprecedingcommandswith`sudo`,orifnpmWARNdeprecatedonWindows,runthemfromanAdministratorprompt.)npmWARNdeprecatednpmWARNdeprecatedIfyou'rerunningtheversionofnpmbundledwithnpmWARNdeprecatedNode.js0.10LTS,beawarethatthenextversionof0.10LTSnpmWARNdeprecatedwillbebundledwithaversionofnpm@2,whichhassomesmallnpmWARNdeprecatedbackwards-incompatiblechangesmadeto`npmrun-script`andnpmWARNdeprecatedsemverbehavior.