<p>
The Debian packaging system has a large amount of information associated with
each package to help assure that it integrates cleanly and easily into
<p>
The Debian packaging system has a large amount of information associated with
each package to help assure that it integrates cleanly and easily into
<p>
The dependency system allows individual programs to make use of shared
elements in the system such as libraries. It simplifies placing infrequently
used portions of a program in separate packages to reduce the
number of things the average user is required to install. Also, it allows
<p>
The dependency system allows individual programs to make use of shared
elements in the system such as libraries. It simplifies placing infrequently
used portions of a program in separate packages to reduce the
number of things the average user is required to install. Also, it allows
-For instance, mail-crypt is an emacs extension that aids in encrypting email
-with PGP. Without PGP installed mail-crypt is useless, so mail-crypt has a
-simple dependency on PGP. Also, because it is an emacs extension it has a
+For instance, mailcrypt is an emacs extension that aids in encrypting email
+with GPG. Without GPGP installed mail-crypt is useless, so mailcrypt has a
+simple dependency on GPG. Also, because it is an emacs extension it has a
<p>
<prgn>apt-get</> provides a simple way to install packages from the command
line. Unlike <prgn>dpkg</>, <prgn>apt-get</> does not understand .deb files,
<p>
<prgn>apt-get</> provides a simple way to install packages from the command
line. Unlike <prgn>dpkg</>, <prgn>apt-get</> does not understand .deb files,
This can be used daily to relatively safely upgrade the system. Upgrade
will list all of the packages that it could not upgrade, this usually
means that they depend on new packages or conflict with some other package.
This can be used daily to relatively safely upgrade the system. Upgrade
will list all of the packages that it could not upgrade, this usually
means that they depend on new packages or conflict with some other package.
automatically fetched and installed. This can be useful if you already
know the name of the package to install and do not want to go into a GUI
to select it. Any number of packages may be passed to install, they will
all be fetched. Install automatically attempts to resolve dependency problems
with the listed packages and will print a summary and ask for confirmation
automatically fetched and installed. This can be useful if you already
know the name of the package to install and do not want to go into a GUI
to select it. Any number of packages may be passed to install, they will
all be fetched. Install automatically attempts to resolve dependency problems
with the listed packages and will print a summary and ask for confirmation
releases of Debian. It uses a sophisticated algorithm to determine the best
set of packages to install, upgrade and remove to get as much of the system
to the newest release. In some situations it may be desired to use dist-upgrade
releases of Debian. It uses a sophisticated algorithm to determine the best
set of packages to install, upgrade and remove to get as much of the system
to the newest release. In some situations it may be desired to use dist-upgrade
man page, <manref name="apt-get" section="8">. The most useful option is
<tt>-d</> which does not install the fetched files. If the system has to
download a large number of package it would be undesired to start installing
man page, <manref name="apt-get" section="8">. The most useful option is
<tt>-d</> which does not install the fetched files. If the system has to
download a large number of package it would be undesired to start installing
<example>
Please give the distribution tag to get or a path to the
package file ending in a /. The distribution
<example>
Please give the distribution tag to get or a path to the
package file ending in a /. The distribution
packages while contrib and non-free contain things that have various
restrictions placed on their use and distribution.
packages while contrib and non-free contain things that have various
restrictions placed on their use and distribution.
-By default APT will automatically remove the packages once they have been
-sucessfully installed. To change this behavor place <tt>Dselect::clean
+By default APT will automatically remove the package (.deb) files once they have been
+successfully installed. To change this behavior place <tt>Dselect::clean
-Before all operations, except update, APT performs a number of actions to
-prepare its internal state. It also does some checks of the systems state.
-At any time these operations can be performed by running <tt>apt-get chec</>
+Before all operations except update, APT performs a number of actions to
+prepare its internal state. It also does some checks of the system's state.
+At any time these operations can be performed by running <tt>apt-get check</>.
You might want to run apt-get -f install' to correct these.
Sorry, but the following packages have unmet dependencies:
9fonts: Depends: xlib6g but it is not installed
You might want to run apt-get -f install' to correct these.
Sorry, but the following packages have unmet dependencies:
9fonts: Depends: xlib6g but it is not installed
packages when performing upgrades. <footnote>APT however considers all known
dependencies and attempts to prevent broken packages</footnote>. The second is
if a package installation fails during an operation. In this situation a
packages when performing upgrades. <footnote>APT however considers all known
dependencies and attempts to prevent broken packages</footnote>. The second is
if a package installation fails during an operation. In this situation a
-certain assurances on the order that packages are installed. In both cases
-supplying the <tt>-f</> option to <prgn>atp-get</> will cause APT to deduce a
+certain constraints on the order that packages are installed. In both cases
+supplying the <tt>-f</> option to <prgn>apt-get</> will cause APT to deduce a
possible solution to the problem and then continue on. The APT <prgn>dselect</>
method always supplies the <tt>-f</> option to allow for easy continuation
of failed maintainer scripts.
possible solution to the problem and then continue on. The APT <prgn>dselect</>
method always supplies the <tt>-f</> option to allow for easy continuation
of failed maintainer scripts.
be taken off. The <tt>-f</> option is especially good at generating packages
to remove so extreme care should be used in that case. The list may contain
packages that are going to be removed because they are only
be taken off. The <tt>-f</> option is especially good at generating packages
to remove so extreme care should be used in that case. The list may contain
packages that are going to be removed because they are only
-Get:2 http://llug.sep.bnl.gov/debian/ frozen/contrib Packages
-Hit http://llug.sep.bnl.gov/debian/ frozen/main Packages
+Get:2 http://llug.sep.bnl.gov/debian/ testing/contrib Packages
+Hit http://llug.sep.bnl.gov/debian/ testing/main Packages
-Get:5 http://llug.sep.bnl.gov/debian/ frozen/non-free Packages
-11% [5 frozen/non-free `Waiting for file' 0/32.1k 0%] 2203b/s 1m52s
+Get:5 http://llug.sep.bnl.gov/debian/ testing/non-free Packages
+11% [5 testing/non-free `Waiting for file' 0/32.1k 0%] 2203b/s 1m52s
-The next section of the status line is repeated once for each dowload thread
-and indicates the operation being performed and some usefull information
+The next section of the status line is repeated once for each download thread
+and indicates the operation being performed and some useful information
about what is happening. Sometimes this section will simply read <em>Forking</>
which means the OS is loading the download module. The first word after the [
is the fetch number as shown on the history lines. The next word
about what is happening. Sometimes this section will simply read <em>Forking</>
which means the OS is loading the download module. The first word after the [
is the fetch number as shown on the history lines. The next word
of the negotiation phase of the download. Typically it progresses from
<em>Connecting</> to <em>Waiting for file</> to <em>Downloading</> or
<em>Resuming</>. The final value is the number of bytes downloaded from the
of the negotiation phase of the download. Typically it progresses from
<em>Connecting</> to <em>Waiting for file</> to <em>Downloading</> or
<em>Resuming</>. The final value is the number of bytes downloaded from the
indicating that 102 bytes have been fetched and 10.2 kilobytes is expected.
The total size is always shown in 4 figure notation to preserve space. After
the size display is a percent meter for the file itself.
indicating that 102 bytes have been fetched and 10.2 kilobytes is expected.
The total size is always shown in 4 figure notation to preserve space. After
the size display is a percent meter for the file itself.
updated every 5 seconds and reflects the rate of data transfer for that
period. Finally is shown the estimated transfer time. This is updated
regularly and reflects the time to complete everything at the shown
updated every 5 seconds and reflects the rate of data transfer for that
period. Finally is shown the estimated transfer time. This is updated
regularly and reflects the time to complete everything at the shown
<p>
APT uses <prgn>dpkg</> for installing the archives and will switch
over to the <prgn>dpkg</> interface once downloading is completed.
<p>
APT uses <prgn>dpkg</> for installing the archives and will switch
over to the <prgn>dpkg</> interface once downloading is completed.
and the packages themselves may also ask several questions. Before each
question there is usually a description of what it is asking and the
questions are too varied to discuss completely here.
and the packages themselves may also ask several questions. Before each
question there is usually a description of what it is asking and the
questions are too varied to discuss completely here.
projects / apt.git / blobdiff