更新时出现的问题是：“W：无法获取…发布文件中没有哈希条目…”
这是＃apt-get update命令的输出。 我也无法使用更新管理器更新任何软件包。 问题是什么？
Ign http://mirrors.dotsrc.org precise-getdeb InRelease Ign http://ppa.launchpad.net precise InRelease Ign http://ppa.launchpad.net precise InRelease Ign http://ppa.launchpad.net precise InRelease Ign http://ppa.launchpad.net precise InRelease Get:1 http://www.remastersys.com precise InRelease [2,069 B] Get:2 http://mirrors.dotsrc.org precise-getdeb Release.gpg [836 B] Ign http://archive.ubuntu.com precise InRelease Ign http://archive.ubuntu.com precise-updates InRelease Ign http://archive.ubuntu.com precise-backports InRelease Ign http://archive.ubuntu.com precise-security InRelease Get:3 http://ppa.launchpad.net precise Release.gpg [316 B] Hit http://ppa.launchpad.net precise Release.gpg Hit http://mirrors.dotsrc.org precise-getdeb Release Hit http://www.remastersys.com precise/main i386 Packages Hit http://ppa.launchpad.net precise Release.gpg Get:4 http://archive.ubuntu.com precise Release.gpg [198 B] Hit http://mirrors.dotsrc.org precise-getdeb/apps i386 Packages Get:5 http://archive.ubuntu.com precise-updates Release.gpg [198 B] Get:6 http://archive.ubuntu.com precise-backports Release.gpg [198 B] Hit http://ppa.launchpad.net precise Release.gpg Ign http://www.remastersys.com precise/main TranslationIndex Hit http://ppa.launchpad.net precise Release Hit http://mirrors.dotsrc.org precise-getdeb/games i386 Packages Get:7 http://archive.ubuntu.com precise-security Release.gpg [198 B] Ign http://mirrors.dotsrc.org precise-getdeb/apps TranslationIndex Ign http://mirrors.dotsrc.org precise-getdeb/games TranslationIndex Hit http://ppa.launchpad.net precise Release Get:8 http://archive.ubuntu.com precise Release [49.6 kB] Hit http://ppa.launchpad.net precise Release Hit http://ppa.launchpad.net precise Release Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Get:9 http://archive.ubuntu.com precise-updates Release [49.6 kB] Hit http://ppa.launchpad.net precise/main i386 Packages Get:10 http://archive.ubuntu.com precise-backports Release [49.6 kB] Get:11 http://archive.ubuntu.com precise-security Release [49.6 kB] Ign http://ppa.launchpad.net precise/main TranslationIndex Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Get:12 http://archive.ubuntu.com precise/main Sources [934 kB] Ign http://mirrors.dotsrc.org precise-getdeb/apps Translation-en_US Get:13 http://archive.ubuntu.com precise/restricted Sources [5,470 B] Get:14 http://archive.ubuntu.com precise/universe Sources [5,019 kB] Ign http://www.remastersys.com precise/main Translation-en_US Ign http://mirrors.dotsrc.org precise-getdeb/apps Translation-en Ign http://mirrors.dotsrc.org precise-getdeb/apps Translation-bn Ign http://mirrors.dotsrc.org precise-getdeb/games Translation-en_US Ign http://mirrors.dotsrc.org precise-getdeb/games Translation-en Ign http://www.remastersys.com precise/main Translation-en Ign http://mirrors.dotsrc.org precise-getdeb/games Translation-bn Ign http://www.remastersys.com precise/main Translation-bn Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-bn Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-bn Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-bn Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-bn Get:15 http://archive.ubuntu.com precise/multiverse Sources [155 kB] Get:16 http://archive.ubuntu.com precise/main i386 Packages [1,274 kB] Get:17 http://archive.ubuntu.com precise/main i386 Packages [1,274 kB] Get:18 http://archive.ubuntu.com precise/restricted i386 Packages [8,431 B] Get:19 http://archive.ubuntu.com precise/universe i386 Packages [4,796 kB] Get:20 http://archive.ubuntu.com precise/multiverse i386 Packages [121 kB] Hit http://archive.ubuntu.com precise/main TranslationIndex Hit http://archive.ubuntu.com precise/multiverse TranslationIndex Hit http://archive.ubuntu.com precise/restricted TranslationIndex Hit http://archive.ubuntu.com precise/universe TranslationIndex Get:21 http://archive.ubuntu.com precise-updates/main Sources [46.9 kB] Get:22 http://archive.ubuntu.com precise-updates/restricted Sources [1,379 B] Get:23 http://archive.ubuntu.com precise-updates/universe Sources [14.4 kB] Get:24 http://archive.ubuntu.com precise-updates/multiverse Sources [696 B] Get:25 http://archive.ubuntu.com precise-updates/main i386 Packages [120 kB] Get:26 http://archive.ubuntu.com precise-updates/restricted i386 Packages [2,439 B] Get:27 http://archive.ubuntu.com precise-updates/universe i386 Packages [37.1 kB] Get:28 http://archive.ubuntu.com precise-updates/multiverse i386 Packages [1,393 B] Hit http://archive.ubuntu.com precise-updates/main TranslationIndex Hit http://archive.ubuntu.com precise-updates/multiverse TranslationIndex Hit http://archive.ubuntu.com precise-updates/restricted TranslationIndex Hit http://archive.ubuntu.com precise-updates/universe TranslationIndex Get:29 http://archive.ubuntu.com precise-backports/main Sources [700 B] Get:30 http://archive.ubuntu.com precise-backports/restricted Sources [14 B] Get:31 http://archive.ubuntu.com precise-backports/universe Sources [4,404 B] Get:32 http://archive.ubuntu.com precise-backports/multiverse Sources [14 B] Get:33 http://archive.ubuntu.com precise-backports/main i386 Packages [559 B] Get:34 http://archive.ubuntu.com precise-backports/restricted i386 Packages [14 B] Get:35 http://archive.ubuntu.com precise-backports/universe i386 Packages [3,167 B] Get:36 http://archive.ubuntu.com precise-backports/multiverse i386 Packages [14 B] Hit http://archive.ubuntu.com precise-backports/main TranslationIndex Hit http://archive.ubuntu.com precise-backports/multiverse TranslationIndex Hit http://archive.ubuntu.com precise-backports/restricted TranslationIndex Get:37 http://archive.ubuntu.com precise-backports/universe TranslationIndex [72 B] Get:38 http://archive.ubuntu.com precise-security/main Sources [12.6 kB] Get:39 http://archive.ubuntu.com precise-security/restricted Sources [14 B] Get:40 http://archive.ubuntu.com precise-security/universe Sources [4,522 B] Get:41 http://archive.ubuntu.com precise-security/multiverse Sources [696 B] Get:42 http://archive.ubuntu.com precise-security/main i386 Packages [43.9 kB] Get:43 http://archive.ubuntu.com precise-security/restricted i386 Packages [14 B] Get:44 http://archive.ubuntu.com precise-security/universe i386 Packages [10.3 kB] Get:45 http://archive.ubuntu.com precise-security/multiverse i386 Packages [1,393 B] Hit http://archive.ubuntu.com precise-security/main TranslationIndex Hit http://archive.ubuntu.com precise-security/multiverse TranslationIndex Hit http://archive.ubuntu.com precise-security/restricted TranslationIndex Hit http://archive.ubuntu.com precise-security/universe TranslationIndex Hit http://archive.ubuntu.com precise/main Translation-en Hit http://archive.ubuntu.com precise/multiverse Translation-en Hit http://archive.ubuntu.com precise/restricted Translation-en Hit http://archive.ubuntu.com precise/restricted Translation-bn Hit http://archive.ubuntu.com precise/universe Translation-en Hit http://archive.ubuntu.com precise-updates/main Translation-en Hit http://archive.ubuntu.com precise-updates/multiverse Translation-en Hit http://archive.ubuntu.com precise-updates/restricted Translation-en Hit http://archive.ubuntu.com precise-updates/universe Translation-en Hit http://archive.ubuntu.com precise-backports/main Translation-en Hit http://archive.ubuntu.com precise-backports/multiverse Translation-en Hit http://archive.ubuntu.com precise-backports/restricted Translation-en Hit http://archive.ubuntu.com precise-security/main Translation-en Hit http://archive.ubuntu.com precise-security/multiverse Translation-en Hit http://archive.ubuntu.com precise-security/restricted Translation-en Hit http://archive.ubuntu.com precise-security/universe Translation-en Fetched 12.8 MB in 11min 35s (18.4 kB/s) W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-backports/universe/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise-backports_universe_i18n_Index E: Some index files failed to download. They have been ignored, or old ones used instead. 打开你的终端并执行此操作
sudo rm -rf /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise-backports_universe_i18n_Index sudo apt-get update