The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
debconf-show – query the debconf database Synopsis debconf-show packagename […] [–db=dbname] debconf-show –listowners [–db=dbname] debconf-show –listdbsDescriptiondebconf-show lets you query the debconf database in different ways. The most common use is “debconf-show packagename”, which displays all items in the debconf database owned by a given package, and their current values. Questions that have been asked already…
debconf-set-selections – insert new values into the debconf database Synopsis debconf-set-selections file debconf-get-selections | ssh newhost debconf-set-selectionsDescriptiondebconf-set-selections can be used to pre-seed the debconf database with answers, or to change answers in the database. Each question will be marked as seen to prevent debconf from asking the question interactively. Reads from a file if a…
debconf-mergetemplate – merge together multiple debconf template files Synopsis debconf-mergetemplate [options] [templates.ll …] templatesDescriptionNote: This utility is deprecated. You should switch to using po-debconf’s po2debconf program. This program is useful if you have multiple debconf templates files which you want to merge together into one big file. All the specified files will be read in,…
debconf-loadtemplate – load template file into debconf database Synopsis debconf-loadtemplate owner file [file ..]DescriptionLoads one or more template files into the debconf database. The first parameter specifies the owner of the templates (typically, the owner is the name of a debian package). The remaining parameters are template files to load. WarningThis program should never be…
debconf-gettextize – extract translations of debconf templates into PO files Synopsisdebconf-gettextize [-v] [-h] [–podir=DIR] [–choices] [–merge] master [master …] DescriptionThe /var/lib/dpkg/info/*.templates files read by debconf contain English text and translations in the same file. But in source packages, translations are managed in separate files to help translators. In the initial implementation, a master templates file…
debconf-getlang – extract a language from a templates file Synopsis debconf-getlang lang master [translation] debconf-getlang –stats master translation […]DescriptionNote: This utility is deprecated; you should switch to using the po-debconf package. This program helps make and manage translations of debconf templates. There are basically three situations in which this program might be called: A translation…
debconf-get-selections – output contents of debconf database Synopsisdebconf-get-selections [–installer] DescriptionOutput the current debconf database in a format understandable by debconf-set-selections. To dump the debconf database of the debian-installer, from /var/log/installer/cdebconf, use the –installer parameter. AuthorPetter Reinholdtsen <pere [at] hungry.com>
debconf-escape – helper when working with debconf’s escape capability Synopsis debconf-escape -e < unescaped-text debconf-escape -u < escaped-textDescriptionWhen debconf has the ‘escape’ capability set, it will expect commands you send it to have backslashes and newlines escaped (as "\\" and "\n" respectively) and will in turn escape backslashes and newlines in its replies. This can…
debconf-copydb – copy a debconf database Synopsis debconf-copydb sourcedb destdb [–pattern=pattern] [–owner-pattern=pattern] [–config=Foo:bar]Descriptiondebconf-copydb copies items from an existing debconf database into another, possibly new database. The two databases may have different formats; if so a conversion will automatically be done. Optionssourcedb The name of the source database. Typically it will be defined in your debconf.conf…
debconf-communicate – communicate with debconf Synopsis echo commands | debconf-communicate [options] [package]Descriptiondebconf-communicate allows you to communicate with debconf on the fly, from the command line. The package argument is the name of the package which you are pretending to be as you communicate with debconf, and it may be omitted if you are lazy. It…
debconf-apt-progress – install packages using debconf to display a progress bar Synopsis debconf-apt-progress [–] command [args …] debconf-apt-progress –config debconf-apt-progress –start debconf-apt-progress –from waypoint –to waypoint [–] command [args …] debconf-apt-progress –stopDescriptiondebconf-apt-progress installs packages using debconf to display a progress bar. The given command should be any command-line apt frontend; specifically, it must send progress…
deallocvt – deallocate unused virtual consoles Synopsisdeallocvt [,option/…] [N …] DescriptionThe command deallocvt deallocates kernel memory and data structures for all unused virtual consoles. If one or more arguments N … are given, only the corresponding consoles /dev/ttyN are deallocated. A virtual console is unused if it is not the foreground console, and no process…
ddrescuelog – tool for ddrescue mapfiles Synopsisddrescuelog [,options/] ,mapfile/ DescriptionGNU ddrescuelog – Tool for ddrescue mapfiles. Manipulates ddrescue mapfiles, shows their contents, converts them to/from other formats, compares them, and tests rescue status. NOTE: In versions of ddrescue prior to 1.20 the mapfile was called ‘logfile’. The format is the same; only the name has…
ddrescue – data recovery tool Synopsisddrescue [,options/] ,infile outfile /[,mapfile/] DescriptionGNU ddrescue – Data recovery tool. Copies data from one file or block device to another, trying to rescue the good parts first in case of read errors. Always use a mapfile unless you know you won’t need it. Without a mapfile, ddrescue can’t resume…
ddr_lzo – Data de/compression plugin for dd_rescue Synopsis-L lzo[=option[:option[:…]]] or -L /path/to/libddr_lzo.so[=option[:option[:…]]] DescriptionAboutLZO is an algorithm that de/compresses data. It is tuned for speed (especially decompression speed) and trades the size of the compressed file for it to some degree. There are variants with slow compression (yet still very fast decompression) available though. See the…
ddr_crypt – Data de/encryption plugin for dd_rescue Synopsis-L crypt[=option[:option[:…]]] or -L /path/to/libddr_crypt.so[=option[:option[:…]]] DescriptionAboutThis plugin allows to en/decrypt data on the fly as it is written out by dd_rescue. It supports a variance of AES ciphers and uses the hardware acceleration on x86 (AESNI) and ARMv8 — if available — to provide good performance. This plugin…
ddjvu – Command line DjVu decoder. Synopsisddjvu -format=fmt [options] [djvufile] [outputfile] DescriptionDecode the DjVu file djvufile, produces the image file outputfile. The DjVu data is read from the standard input when argument djvufile is not specified or when it is equal to a single dash. Similarly, the output data is written to the standard output…
ddd – The Data Display Debugger Synopsisddd [–help] [–gdb] [–dbx] [–ladebug] [–wdb] [–xdb] [–jdb] [–pydb] [–perl] [–debugger name] [—[r]host [[username@]hostname]] [–trace] [–version] [–configuration] [options…] [prog[core|procID]] but usually just ddd programDescriptionDDD is a graphical front-end for GDB and other command-line debuggers. Using DDD, you can see what is going on “inside” another program while it executes—or…
ddbugtopbm – convert Diddle or DiddleBug sketches to PBM files Synopsisddbugtopbm Examplesddbugtopbm </path/to/palm/backup/dir/DiddleBugDB.pdb ddbugtopbm </path/to/palm/backup/dir/DiddleDB.pdb ddbugtopbm </path/to/palm/backup/dir/DiddleIDB.pdbDescriptionThis program is part of Netpbm(1) ddbugtopbm converts all sketches present in a database used by the PalmOS programs Diddle or DiddleBug into appropriately-named PBM files. The backup copy of DiddleBug’s database you should use as this program’s input…
ddate – convert Gregorian dates to Discordian dates Synopsisddate [+format] [date] Descriptionddate prints the date in Discordian date format. If called with no arguments, ddate will get the current system date, convert this to the Discordian date format and print this on the standard output. Alternatively, a Gregorian date may be specified on the command…