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871.
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# export APT_CONFIG="/disc/apt.conf" 
# apt-get update
[ APT fetches the package files ]
# apt-get dist-upgrade
[ APT fetches all the packages needed to upgrade the target machine ]
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type: Content of: <book><chapter><section><screen>
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represents a line break.
Start a new line in the equivalent position in the translation.
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represents a space character.
Enter a space in the equivalent position in the translation.
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(no translation yet)
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Located in
offline.dbk
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872.
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The dist-upgrade command can be replaced with any other standard APT commands, particularly dselect-upgrade. You can even use an APT front end such as <emphasis>dselect</emphasis>. However this presents a problem in communicating your selections back to the local computer.
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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873.
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Now the disc contains all of the index files and archives needed to upgrade the target machine. Take the disc back and run:
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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874.
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# export APT_CONFIG="/disc/apt.conf"
# apt-get check
[ APT generates a local copy of the cache files ]
# apt-get --no-d -o dir::state::status=/var/lib/dpkg/status dist-upgrade
[ Or any other APT command ]
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type: Content of: <book><chapter><section><screen>
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represents a line break.
Start a new line in the equivalent position in the translation.
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represents a space character.
Enter a space in the equivalent position in the translation.
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(no translation yet)
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Located in
offline.dbk
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875.
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It is necessary for proper function to re-specify the status file to be the local one. This is very important!
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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876.
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If you are using dselect you can do the very risky operation of copying disc/status to /var/lib/dpkg/status so that any selections you made on the remote machine are updated. I highly recommend that people only make selections on the local machine - but this may not always be possible. DO NOT copy the status file if dpkg or APT have been run in the mean time!!
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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877.
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Using APT and wget
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type: Content of: <book><chapter><title>
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(no translation yet)
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Located in
offline.dbk
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878.
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<emphasis>wget</emphasis> is a popular and portable download tool that can run on nearly any machine. Unlike the method above this requires that the Debian machine already has a list of available packages.
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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879.
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The basic idea is to create a disc that has only the archive files downloaded from the remote site. This is done by using the --print-uris option to apt-get and then preparing a wget script to actually fetch the packages.
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type: Content of: <book><chapter><section><para>
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(no translation yet)
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Located in
offline.dbk
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880.
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Operation
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type: Content of: <book><chapter><section><title>
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(no translation yet)
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Located in
offline.dbk
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