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Hệ thống trình đơn aussi Giữ mục cho màn hình khóa (Lock) và khai thác gỗ ra khỏi hệ thống (Đăng xuất). Bên cạnh các menu ứng dụng là biểu tượng cho các ứng dụng thường sử dụng, bao gồm Firefox, tiện ích thư, và giúp đỡ. | Chapter 6 Software Installation 121 Corresponding source code repositories will use a deb-src format deb-src http us.archive.ubuntu.com ubuntu hardy main restricted Update sections of a repository are referenced by the -updates suffix as in hardyupdates deb http archive.ubuntu.com ubuntu hardy-updates main restricted Security sections for a repository have the suffix - security deb http archive.ubuntu.com ubuntu hardy-security main restricted Both universe and multiverse repositories should already be enabled. Each will have an updates repository as well as corresponding source code repositories such as those shown here for universe deb http us.archive.ubuntu.com ubuntu hardy universe deb-src http us.archive.ubuntu.com ubuntu hardy universe deb http us.archive.ubuntu.com ubuntu hardy-updates universe deb-src http us.archive.ubuntu.com ubuntu hardy-updates universe Comments begin with a mark. You can add comments if you wish. Commenting an entry effectively disables that component of a repository. Placing a mark before a repository entry will effectively disable it. Commented entries are included for the backports and Canonical partners repositories. Backports holds applications being developed for future Ubuntu releases and may not work. Partners include companies such as VMWare and Parallels. To activate these repositories just edit the etc apt sources.list file using any text editor and then remove the at the beginning of the line. Here s an example comment deb http us.archive.ubuntu.com ubuntu hardy-backports main restricted universe multiverse You can edit the file directly with the following command gksu gedit etc apt sources.list This page intentionally left blank CHAPTER Software Management with DEB APT and dkpg Both the Debian distribution and Ubuntu use the Debian package format DEB for their software packages. Two basic package managers are available for use with Debian packages the Advanced Package Tool APT and the Debian Package tool dpkg . APT is .