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.
varnishtest – Test program for Varnish Synopsisvarnishtest [-iklLqv] [-n iter] [-D name=val] [-j jobs] [-t duration] file [file …] DescriptionThe varnishtest program is a script driven program used to test the Varnish Cache. The varnishtest program, when started and given one or more script files, can create a number of threads representing backends, some threads…
varnishstat – Varnish Cache statistics Synopsisvarnishstat [-1] [-x] [-j] [-f field_list] [-l] [-n varnish_name] [-N filename] [-V] [-w delay] DescriptionThe varnishstat utility displays statistics from a running varnishd(1) instance. OptionsThe following options are available: -1 Instead of presenting a continuously updated display, print the statistics to stdout. -f Field inclusion glob. A field glob consists…
varnishncsa – Display Varnish logs in Apache / NCSA combined log format Synopsisvarnishncsa [-a] [-C] [-d] [-D] [-F format] [-g <request|vxid>] [-h] [-n name] [-N filename] [-P file] [-q query] [-V] [-w filename] DescriptionThe varnishncsa utility reads varnishd(1) shared memory logs and presents them in the Apache / NCSA "combined" log format. Each log line…
varnishlog – Display Varnish logs Synopsisvarnishlog [-a] [-b] [-B] [-c] [-C] [-d] [-D] [-g <session|request|vxid|raw>] [-h] [-i taglist] [-I <[taglist:]regex>] [-k num] [-L limit] [-n name] [-N filename] [-P file] [-q query] [-r filename] [-T seconds] [-v] [-V] [-w filename] [-x taglist] [-X <[taglist:]regex>] OptionsThe following options are available: -a When writing output to a…
varnishhist – Varnish request histogram Synopsisvarnishhist [-C] [-d] [-g <request|vxid>] [-h] [-L limit] [-n name] [-N filename] [-p period] [-P <size|responsetime|tag:field_num:min:max>] [-q query] [-r filename] [-T seconds] [-V] DescriptionThe varnishhist utility reads varnishd(1) shared memory logs and presents a continuously updated histogram showing the distribution of the last N requests by their processing. The value…
varnishd – HTTP accelerator daemon Synopsisvarnishd [-a address[:port]] [-b host[:port]] [-C] [-d] [-f config] [-F] [-g group] [-h type[,options]] [-i identity] [-l shl[,free[,fill]]] [-M address:port] [-n name] [-P file] [-p param=value] [-r param[,param…] [-s [name=]kind[,options]] [-S secret-file] [-T address[:port]] [-t ttl] [-u user] [-V]DescriptionThe varnishd daemon accepts HTTP requests from clients, passes them on to…
varnishadm – Control a running Varnish instance Synopsisvarnishadm [-t timeout] [-S secret_file] [-T address:port] [-n name] [command […]] DescriptionThe varnishadm utility establishes a CLI connection to varnishd either using -n name or using the -T and -S arguments. If -n name is given the location of the secret file and the address:port is looked up…
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…