Error when trying to access "Update Manager".
E:Opening /etc/apt/sources.list.d/private-ppa.launchpad.net_commercial-ppa-uploaders_libreoffice3.4-writerguide_ubuntu.list - ifstream::ifstream (13: Permission denied)'
bud@bud-Latitude-D530:~$ sudo apt-get update
Ign http://dl.google.com stable InRelease
Hit http://dl.google.com stable Release.gpg
Hit http://dl.google.com stable Release
Ign http://archive.ubuntu.com precise InRelease
Ign http://archive.ubuntu.com precise-updates InRelease
Ign http://archive.ubuntu.com precise-security InRelease
Ign http://archive.canonical.com precise InRelease
Hit http://dl.google.com stable/main i386 Packages
Hit http://archive.ubuntu.com precise Release.gpg
Hit http://archive.ubuntu.com precise-updates Release.gpg
Hit http://archive.canonical.com precise Release.gpg
Ign http://dl.google.com stable/main TranslationIndex
Ign http://extras.ubuntu.com precise InRelease
Hit http://archive.ubuntu.com precise-security Release.gpg
Hit http://archive.ubuntu.com precise Release
Hit http://archive.canonical.com precise Release
Hit http://extras.ubuntu.com precise Release.gpg
Hit http://archive.ubuntu.com precise-updates Release
Hit http://archive.ubuntu.com precise-security Release
Hit http://extras.ubuntu.com precise Release
Hit http://archive.canonical.com precise/partner Sources
Hit http://archive.ubuntu.com precise/restricted Sources
Hit http://archive.ubuntu.com precise/main Sources
Hit http://archive.ubuntu.com precise/multiverse Sources
Hit http://archive.ubuntu.com precise/universe Sources
Hit http://archive.ubuntu.com precise/main i386 Packages
Hit http://archive.ubuntu.com precise/restricted i386 Packages
Hit http://archive.canonical.com precise/partner i386 Packages
Ign http://archive.canonical.com precise/partner TranslationIndex
Hit http://extras.ubuntu.com precise/main Sources
Hit http://archive.ubuntu.com precise/universe i386 Packages
Hit http://archive.ubuntu.com precise/multiverse i386 Packages
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
Hit http://archive.ubuntu.com precise-updates/restricted Sources
Hit http://archive.ubuntu.com precise-updates/main Sources
Ign http://dl.google.com stable/main Translation-en_US
Hit http://extras.ubuntu.com precise/main i386 Packages
Ign http://extras.ubuntu.com precise/main TranslationIndex
Hit http://archive.ubuntu.com precise-updates/multiverse Sources
Hit http://archive.ubuntu.com precise-updates/universe Sources
Ign http://dl.google.com stable/main Translation-en
Hit http://archive.ubuntu.com precise-updates/main i386 Packages
Hit http://archive.ubuntu.com precise-updates/restricted i386 Packages
Hit http://archive.ubuntu.com precise-updates/universe i386 Packages
Hit http://archive.ubuntu.com precise-updates/multiverse i386 Packages
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
Hit http://archive.ubuntu.com precise-security/restricted Sources
Hit http://archive.ubuntu.com precise-security/main Sources
Hit http://archive.ubuntu.com precise-security/multiverse Sources
Hit http://archive.ubuntu.com precise-security/universe Sources
Hit http://archive.ubuntu.com precise-security/main i386 Packages
Hit http://archive.ubuntu.com precise-security/restricted i386 Packages
Hit http://archive.ubuntu.com precise-security/universe i386 Packages
Hit http://archive.ubuntu.com precise-security/multiverse i386 Packages
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/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-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
Ign http://archive.canonical.com precise/partner Translation-en_US
Ign http://extras.ubuntu.com precise/main Translation-en_US
Ign http://archive.canonical.com precise/partner Translation-en
Ign http://extras.ubuntu.com precise/main Translation-en
Reading package lists... Done
答案1
13: Permission denied
这意味着您必须以 root 权限运行更新管理器。
按 [Alt]+[F2] 并输入
gksudo update-manager
之后你必须输入你的密码就可以了=)