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Terminology commonly used in offline package management:

• Local machine : the offline ubuntu computer
• Remote machine: another computer with broadband Internet connection, used to dowload the packages
• Removable media: USB keydrive where store the scripts and dowloaded packages. Note that the disc should be formated with a filesystem that can handle long file names such as ext2/ext3, fat32 or vfat.

Synaptic

• apt-medium a wrapper script for apt frontends.
• SynapticPackageDownloadScript
• Using Synaptic/Offline.

GUIs other than Synaptic

Keryx is a portable, cross-platform package manager for APT-based (Ubuntu, Debian) systems. It provides a graphical interface for gathering updates, packages, and dependencies for offline computers. Keryx is free and open source. You can get Keryx here: http://keryxproject.org/

Command line

• apt-medium
• AptGet/Offline/PrintUris
• AptCdrom , to use the Ubuntu Live Cd as package repository for an older computer.
• AptOff script .
• apt-offline. "apt-offline list" do much better that "apt-get --print-uris", because

It distinguishes the "suites" (backport, multimedia, volatile, stable, testing), and allow you to mix the suites. So if you installed package A from a suite, it will search the updates only on such suite.

Offline repository

How to create a local package repository.

Wget

wget is a computer program that implements simple and powerful content retrieval of files from internet servers

-O

wget -O file

With this -O option, the documents will not be written to the appropriate files, but all will be concatenated together and written to file.

See also

• http://www.fifi.org/doc/apt/offline.html/ch1.html. Related information: awk.
• Sources List update offline and packages without Internet connection.
• Synaptic/Offline

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