GRASS variables and environment variablesThere are two types of variables: shell environment variables, GRASS gisenv variables. There are a number of shell environment variable groups: PNG driver PS driver (PostScript) variables for direct rendering variables for internal use Any setting which needs to be modifiable by a GRASS program (e.g. MONITOR) has to be a…
vapigen – generate a Vala API Synopsisvapigen SOURCE PKGBASE [OPTION]… [FILE]… Descriptionvapigen is a utility which generates Vala API (VAPI) files from GI files, which may be generated using the vala-gen-introspect(1) utility. ExamplesAfter compilation, the following command generates a GI for pango: vala-gen-introspect pango packages/pango This can then be converted to a Vala API as…
vanessa_socket_pipe – Trivial TCP/IP pipe based on libvanessa_socket Synopsisvanessa_socket_pipe [options] DescriptionA TCP/IP pipe is a user space programme that listens for TCP/IP connections on port on the local host and when a client connects makes a connection to a TCP port, possibly on another host. Once both connections are established data sent on one connection…
vanessa_logger_sample – demonstrate some of the functionality of libvanessa Synopsisvanessa_logger_sample Descriptionvanessa_logger_sample Sample programme with source that demonstrates various features of vanessa_logger. OptionsNone AuthorsSimon Horman <horms [at] verge.net.au>
validate-storage-schemas – validates the storage schemas Synopsysvalidate-storage-schemasDescriptionvalidates the storage schemas from the configuration file /etc/carbon/storage-schemas.conf. Authorvalidate-storage-schemas, created by Chris Davis. This manual page was written by Jonas Genannt <jonas.genannt [at] capi2name.de, for the Debian project (but may be used by others).
valgrind – a suite of tools for debugging and profiling programs Synopsis valgrind [valgrind-options] [your-program] [your-program-options]DescriptionValgrind is a flexible program for debugging and profiling Linux executables. It consists of a core, which provides a synthetic CPU in software, and a series of debugging and profiling tools. The architecture is modular, so that new tools can…
valgrind – a suite of tools for debugging and profiling programs Synopsis valgrind [valgrind-options] [your-program] [your-program-options]DescriptionValgrind is a flexible program for debugging and profiling Linux executables. It consists of a core, which provides a synthetic CPU in software, and a series of debugging and profiling tools. The architecture is modular, so that new tools can…
valgrind-listener – listens on a socket for Valgrind commentary Synopsis valgrind-listener [options]Descriptionvalgrind-listener accepts (multiple) connections from valgrind processes that use the –log-socket option on the specified port and copies the commentary it is sent to stdout. Options-e –exit-at-zero When the number of connected processes falls back to zero, exit. Without this, it will run forever,…
valgrind-di-server – Experimental debuginfo server for valgrind Synopsis valgrind-di-server [options]Descriptionvalgrind-di-server accepts (multiple) connections from valgrind processes that use the –debuginfo-server option on the specified port and serves (compressed) debuginfo files (in chunks) from the current working directory. Options-e –exit-at-zero When the number of connected processes falls back to zero, exit. Without this, it will run…
valac – compiler that translates Vala source code into C source and header files Synopsisvalac [OPTION]… [FILE]… DescriptionVala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C. valac,…
vala-gen-project – generate the and automake skeleton for your vala project Synopsisvala-gen-project [OPTION…] [NAME] DescriptionVala project generator is a little gui or command line utility that creates an automake project skeletoni vala program. It can be used without specifing a project name, so that a gtk+ gui will be presented or directly from the command…
vala-gen-introspect – generate a GI file for GObject and glib based packages Synopsisvala-gen-introspect PKGNAME PKGBASE Descriptionvala-gen-introspect is a utility which generates GI files from GObject and glib based packages. It can be used in combination with vapigen(1) to generate an API for Vala, and allow it’s usage in Vala for compiling to native code. PKGNAME…
vacuumlo – remove orphaned large objects from a PostgreSQL database Synopsis vacuumlo [option…] dbname…Descriptionvacuumlo is a simple utility program that will remove any “orphaned” large objects from a PostgreSQL database. An orphaned large object (LO) is considered to be any LO whose OID does not appear in any oid or lo data column of the…
vacuumdb – garbage-collect and analyze a PostgreSQL database Synopsis vacuumdb [connection-option…] [option…] [–table | -t table [( column [,…] )]] [dbname] vacuumdb [connection-option…] [option…] –all | -aDescriptionvacuumdb is a utility for cleaning a PostgreSQL database. vacuumdb will also generate internal statistics used by the PostgreSQL query optimizer. vacuumdb is a wrapper around the SQL command VACUUM(7). There is no effective difference between…
v_sim – a GTK program for 3D visualisation of atomic systems Synopsisv_sim [-e file ] [-r file ] [-h ] [-g <w>x<h> ] [-s file ] [-m id ] [-a ] [-c file ] [-u l:m:n ] [-d id ] [-t x:y:z ] [-x x:y:z ] [-p file ] [-f file ] [-v v[:v] ]…
xawtv-remote, v4lctl — control video4linux devices Synopsisxawtv-remote [ options ] command v4lctl [ options ] command Descriptionxawtv-remote and v4lctl can be used to control a video4linux driven TV card. xawtv-remote passes the command to a already running xawtv or motv instance using X11 properties. v4lctl sets the parameters directly. Optionsxawtv-remote knows the following options: -h…
v4l-info – dump video4linux(2) device info to stdout Synopsisv4l-info [ device ] Descriptionv4l-info just prints the v4l(2) device info, i.e. calls lots of ioctls and dumps the results to stdout. It optionally accepts the device you want to query. Default is /dev/video0. Was written to help debug drivers, probably not that useful for end users…
v.what.vect – Uploads vector values at positions of vector points to the table. Keywordsvector, database, attribute table Synopsisv.what.vect v.what.vect help v.what.vect vector=name [layer=integer] column=string qvector=name [qlayer=integer] qcolumn=string [–verbose] [–quiet] Parameters:vector=name Points vector map to modify layer=integer Layer in the vector to be modified Default: 1 column=string Column to be updated with the query result qvector=name…
uz – gunzips and extracts a gzip’d tar’d archive Synopsisuz file Descriptionuz extracts a gzip’d tar’d archive, that is a tar(1) archive compressed with the gzip(1) utility. It is not strictly necessary on Debian GNU/Linux, because the GNU tar(1) program provides the same capability with the command tar -xzf file but this utility is provided…
uxterm – X terminal emulator for Unicode (UTF-8) environments Synopsisuxterm [ xterm-options ] Descriptionuxterm is a wrapper around the xterm(1) program that invokes the latter program with the “UXTerm” X resource class set. All arguments to uxterm are passed to xterm without processing; the -class and -u8 options should not be specified because they are…