diff options
Diffstat (limited to 'doc/apt.conf.5.xml')
| -rw-r--r-- | doc/apt.conf.5.xml | 354 |
1 files changed, 344 insertions, 10 deletions
diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml index 35987f8d8..beae7cc10 100644 --- a/doc/apt.conf.5.xml +++ b/doc/apt.conf.5.xml @@ -12,10 +12,16 @@ <refentryinfo> &apt-author.jgunthorpe; &apt-author.team; + <author> + <firstname>Daniel</firstname> + <surname>Burrows</surname> + <contrib>Initial documentation of Debug::*.</contrib> + <email>dburrows@debian.org</email> + </author> &apt-email; &apt-product; <!-- The last update date --> - <date>29 February 2004</date> + <date>06 December 2008</date> </refentryinfo> <refmeta> @@ -423,16 +429,344 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; </variablelist> </refsect1> - <refsect1><title>Debug options</title> - <para>Most of the options in the <literal>debug</literal> section are not interesting to - the normal user, however <literal>Debug::pkgProblemResolver</literal> shows - interesting output about the decisions dist-upgrade makes. - <literal>Debug::NoLocking</literal> disables file locking so APT can do some - operations as non-root and <literal>Debug::pkgDPkgPM</literal> will print out the - command line for each dpkg invokation. <literal>Debug::IdentCdrom</literal> will - disable the inclusion of statfs data in CDROM IDs. - <literal>Debug::Acquire::gpgv</literal> Debugging of the gpgv method. + <refsect1> + <title>Debug options</title> + <para> + Enabling options in the <literal>Debug::</literal> section will + cause debugging information to be sent to the standard error + stream of the program utilizing the <literal>apt</literal> + libraries, or enable special program modes that are primarily + useful for debugging the behavior of <literal>apt</literal>. + Most of these options are not interesting to a normal user, but a + few may be: + + <itemizedlist> + <listitem> + <para> + <literal>Debug::pkgProblemResolver</literal> enables output + about the decisions made by + <literal>dist-upgrade, upgrade, install, remove, purge</literal>. + </para> + </listitem> + + <listitem> + <para> + <literal>Debug::NoLocking</literal> disables all file + locking. This can be used to run some operations (for + instance, <literal>apt-get -s install</literal>) as a + non-root user. + </para> + </listitem> + + <listitem> + <para> + <literal>Debug::pkgDPkgPM</literal> prints out the actual + command line each time that <literal>apt</literal> invokes + &dpkg;. + </para> + </listitem> + + <listitem> + <para> + <literal>Debug::IdentCdrom</literal> disables the inclusion + of statfs data in CDROM IDs. <!-- TODO: provide a + motivating example, except I haven't a clue why you'd want + to do this. --> + </para> + </listitem> + </itemizedlist> </para> + + <para> + A full list of debugging options to apt follows. + </para> + + <variablelist> + <varlistentry> + <term><literal>Debug::Acquire::cdrom</literal></term> + + <listitem> + <para> + Print information related to accessing + <literal>cdrom://</literal> sources. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Acquire::ftp</literal></term> + + <listitem> + <para> + Print information related to downloading packages using + FTP. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Acquire::http</literal></term> + + <listitem> + <para> + Print information related to downloading packages using + HTTP. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Acquire::https</literal></term> + + <listitem> + <para> + Print information related to downloading packages using + HTTPS. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Acquire::gpgv</literal></term> + + <listitem> + <para> + Print information related to verifying cryptographic + signatures using <literal>gpg</literal>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::aptcdrom</literal></term> + + <listitem> + <para> + Output information about the process of accessing + collections of packages stored on CD-ROMs. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::BuildDeps</literal></term> + <listitem> + <para> + Describes the process of resolving build-dependencies in + &apt-get;. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Hashes</literal></term> + <listitem> + <para> + Output each cryptographic hash that is generated by the + <literal>apt</literal> libraries. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::IdentCDROM</literal></term> + <listitem> + <para> + Do not include information from <literal>statfs</literal>, + namely the number of used and free blocks on the CD-ROM + filesystem, when generating an ID for a CD-ROM. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::NoLocking</literal></term> + <listitem> + <para> + Disable all file locking. For instance, this will allow + two instances of <quote><literal>apt-get + update</literal></quote> to run at the same time. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAcquire</literal></term> + + <listitem> + <para> + Log when items are added to or removed from the global + download queue. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAcquire::Auth</literal></term> + <listitem> + <para> + Output status messages and errors related to verifying + checksums and cryptographic signatures of downloaded files. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAcquire::Diffs</literal></term> + <listitem> + <para> + Output information about downloading and applying package + index list diffs, and errors relating to package index list + diffs. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAcquire::RRed</literal></term> + + <listitem> + <para> + Output information related to patching apt package lists + when downloading index diffs instead of full indices. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAcquire::Worker</literal></term> + + <listitem> + <para> + Log all interactions with the sub-processes that actually + perform downloads. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgAutoRemove</literal></term> + + <listitem> + <para> + Log events related to the automatically-installed status of + packages and to the removal of unused packages. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgDepCache::AutoInstall</literal></term> + <listitem> + <para> + Generate debug messages describing which packages are being + automatically installed to resolve dependencies. This + corresponds to the initial auto-install pass performed in, + e.g., <literal>apt-get install</literal>, and not to the + full <literal>apt</literal> dependency resolver; see + <literal>Debug::pkgProblemResolver</literal> for that. + </para> + </listitem> + </varlistentry> + + <!-- Question: why doesn't this do anything? The code says it should. --> + <varlistentry> + <term><literal>Debug::pkgInitConfig</literal></term> + <listitem> + <para> + Dump the default configuration to standard output on + startup. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgDPkgPM</literal></term> + <listitem> + <para> + When invoking &dpkg;, output the precise command line with + which it is being invoked, with arguments separated by a + single space character. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgDPkgProgressReporting</literal></term> + <listitem> + <para> + Output all the data received from &dpkg; on the status file + descriptor and any errors encountered while parsing it. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgOrderList</literal></term> + + <listitem> + <para> + Generate a trace of the algorithm that decides the order in + which <literal>apt</literal> should pass packages to + &dpkg;. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgPackageManager</literal></term> + + <listitem> + <para> + Output status messages tracing the steps performed when + invoking &dpkg;. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgPolicy</literal></term> + + <listitem> + <para> + Output the priority of each package list on startup. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::pkgProblemResolver</literal></term> + + <listitem> + <para> + Trace the execution of the dependency resolver (this + applies only to what happens when a complex dependency + problem is encountered). + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::sourceList</literal></term> + + <listitem> + <para> + Print information about the vendors read from + <filename>/etc/apt/vendors.list</filename>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><literal>Debug::Vendor</literal></term> + + <listitem> + <para> + Print information about each vendor. + </para> + </listitem> + </varlistentry> + </variablelist> </refsect1> <refsect1><title>Examples</title> |