X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/245dde96193702f7f51389d3583dee547f8ba366..bc7a59dded57338e9b5e523726b246dbdd4e0935:/doc/apt-get.8.xml?ds=sidebyside diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml index 5b6788ed4..785b4e9a8 100644 --- a/doc/apt-get.8.xml +++ b/doc/apt-get.8.xml @@ -214,7 +214,7 @@ &cachedir;/archives/partial/. - + (and the alias since 1.1) Like clean, autoclean clears out the local repository of retrieved package files. The difference is that it only removes package files that can no longer be downloaded, and are largely @@ -224,7 +224,7 @@ erased if it is set to off. - + (and the alias since 1.1) autoremove is used to remove packages that were automatically installed to satisfy dependencies for other packages and are now no longer needed. @@ -239,9 +239,9 @@ - + Displays by default a deb822 formatted listing of - information about all data files apt-get + information about all data files (aka index targets) apt-get update would download. Supports a option to modify the output format as well as accepts lines of the default output to filter the records @@ -327,17 +327,15 @@ - No action; perform a simulation of events that would occur but do not - actually change the system. - Configuration Item: APT::Get::Simulate. - - Simulated runs performed as a user will automatically deactivate locking - (Debug::NoLocking), and if the option - APT::Get::Show-User-Simulation-Note is set - (as it is by default) a notice will also be displayed indicating that - this is only a simulation. Runs performed as root do not trigger either - NoLocking or the notice - superusers should know what they are doing - without further warnings from apt-get. + No action; perform a simulation of events that would occur + based on the current system state but do not actually change the + system. Locking will be disabled () + so the system state could change while apt-get is + running. Simulations can also be executed by non-root users which might + not have read access to all apt configuration distorting the simulation. + A notice expressing this warning is also shown by default for non-root + users (). + Configuration Item: APT::Get::Simulate. Simulated runs print out a series of lines, each representing a dpkg operation: configure (Conf), remove (Remv) @@ -431,12 +429,36 @@ Configuration Item: APT::Get::Only-Upgrade. + + This is a dangerous option that will cause apt to continue + without prompting if it is doing downgrades. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: APT::Get::allow-downgrades. Introduced in APT 1.1. + + + + Force yes; this is a dangerous option that will cause apt to continue + without prompting if it is removing essentials. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: APT::Get::allow-remove-essential. Introduced in APT 1.1. + + + + Force yes; this is a dangerous option that will cause apt to continue + without prompting if it is changing held packages. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: APT::Get::allow-change-held-packages. Introduced in APT 1.1. + + Force yes; this is a dangerous option that will cause apt to continue without prompting if it is doing something potentially harmful. It should not be used except in very special situations. Using force-yes can potentially destroy your system! - Configuration Item: APT::Get::force-yes. + Configuration Item: APT::Get::force-yes. This is deprecated and replaced by , , in 1.1. @@ -531,9 +553,13 @@ - Ignore if packages can't be authenticated and don't prompt about it. - This is useful for tools like pbuilder. - Configuration Item: APT::Get::AllowUnauthenticated. + Ignore if packages can't be authenticated and don't prompt + about it. This can be useful while working with local repositories, + but is a huge security risk if data authenticity isn't ensured in + another way by the user itself. The usage of the + option for &sources-list; entries should + usually be preferred over this global override. Configuration Item: + APT::Get::AllowUnauthenticated.