debconf – developers guide Description This is a guide for developing packages that use debconf. This manual assumes that you are familiar with debconf as a user, and are familiar with the basics of debian package construction. This manual begins by explaining two new files that are added to debian packages that use debconf. Then…
deb-version – Debian package version number format Synopsis [epoch:]upstream-version[–debian-revision] Description Version numbers as used for Debian binary and source packages consist of three components. These are: epoch This is a single (generally small) unsigned integer. It may be omitted, in which case zero is assumed. If it is omitted then the upstream-version may not contain…
ddp – Linux AppleTalk protocol implementation Synopsis #include <sys/socket.h> #include <netatalk/at.h> ddp_socket = socket(AF_APPLETALK, SOCK_DGRAM, 0); raw_socket = socket(AF_APPLETALK, SOCK_RAW, protocol); Description Linux implements the AppleTalk protocols described in Inside AppleTalk. Only the DDP layer and AARP are present in the kernel. They are designed to be used via the netatalk protocol libraries. This page…
dconf – A configuration system Description dconf is a simple key/value storage system that is heavily optimised for reading. This makes it an ideal system for storing user preferences (which are read 1000s of times for each time the user changes one). It was created with this usecase in mind. All preferences are stored in…
dbus – event signalling that a dbus signal has been emitted Synopsis dbus [BUS=BUS_NAME] SIGNAL=SIGNAL INTERFACE=INTERFACE OBJPATH=PATH SENDER=SENDER DESTINATION=DESTINATION ARG0=VALUE ARGN=VALUE Description The dbus event is generated by the upstart-dbus-bridge(8) daemon when a D-Bus signal is emitted whose details match the dbus event condition and environment specified in a job’s start on or stop on…
daemon – Writing and packaging system daemons Description A daemon is a service process that runs in the background and supervises the system or provides functionality to other processes. Traditionally, daemons are implemented following a scheme originating in SysV Unix. Modern daemons should follow a simpler yet more powerful scheme (here called "new-style" daemons), as…
czmq – high-level C binding for ZeroMQ Synopsis #include <czmq.h> cc [‘flags’] ‘files’ -lzmq -lczmq [‘libraries’] Description Classes These classes provide the main socket and message API: • zsock(3) – working with ZeroMQ sockets (high-level) • zstr(3) – sending and receiving strings • zmsg(3) – working with multipart messages • zframe(3) – working with single…
cutodia Description Custodia is a omdular and pluggable Secrets Manager. It allows to serve retrieve, manage and store secrets for other applications. It is useful for distributed, stateless applications that use an image file base approach for instantiation like container based images. But it is alaso useful to manage distribution of key material across a…
ctdb – Clustered TDB Description CTDB is a clustered database component in clustered Samba that provides a high-availability load-sharing CIFS server cluster. The main functions of CTDB are: • Provide a clustered version of the TDB database with automatic rebuild/recovery of the databases upon node failures. • Monitor nodes in the cluster and services running…
ctdb-tunables – CTDB tunable configuration variables Description CTDB’s behaviour can be configured by setting run-time tunable variables. This lists and describes all tunables. See the ctdb(1)listvars, setvar and getvar commands for more details. MaxRedirectCount Default: 3 If we are not the DMASTER and need to fetch a record across the network we first send the…
ctdb-statistics – CTDB statistics output Overall Statistics CTDB maintains information about various messages communicated and some of the important operations per node. See the ctdb(1) commands statistics and statisticsreset for displaying statistics. Example: ctdb statistics CTDB version 1 Current time of statistics : Fri Sep 12 13:32:32 2014 Statistics collected since : (000 01:49:20) Fri…
crmd – CRM Daemon Options Synopsis [dc-version=string] [cluster-infrastructure=string] [dc-deadtime=time] [cluster-recheck-interval=time] [notification-agent=string] [notification-recipient=string] [load-threshold=percentage] [node-action-limit=integer] [election-timeout=time] [shutdown-escalation=time] [crmd-integration-timeout=time] [crmd-finalization-timeout=time] [crmd-transition-delay=time] [stonith-watchdog-timeout=time] Description This is a fake resource that details the options that can be configured for the CRM Daemon. Supported Parameters dc-version = string [none] Version of Pacemaker on the cluster’s DC. Includes the hash which…
credentials – process identifiers Description Process ID (PID) Each process has a unique nonnegative integer identifier that is assigned when the process is created using fork(2). A process can obtain its PID using getpid(2). A PID is represented using the type pid_t (defined in <sys/types.h>). PIDs are used in a range of system calls to…
CREATE CONSTRAINT TRIGGER – define a new constraint trigger Synopsis CREATE CONSTRAINT TRIGGER name AFTER event [ OR … ] ON table_name [ FROM referenced_table_name ] { NOT DEFERRABLE | [ DEFERRABLE ] { INITIALLY IMMEDIATE | INITIALLY DEFERRED } } FOR EACH ROW EXECUTE PROCEDURE funcname ( arguments ) Description CREATE CONSTRAINT TRIGGER creates…
cpuset – confine processes to processor and memory node subsets Description The cpuset filesystem is a pseudo-filesystem interface to the kernel cpuset mechanism, which is used to control the processor placement and memory placement of processes. It is commonly mounted at /dev/cpuset. On systems with kernels compiled with built in support for cpusets, all processes…
cpack-generators – CPack Generator Reference Generators CPack Archive Generator CPack generator for packaging files into an archive, which can have any of the following formats: • 7Z – 7zip – (.7z) • TBZ2 (.tar.bz2) • TGZ (.tar.gz) • TXZ (.tar.xz) • TZ (.tar.Z) • TZST (.tar.zst) • ZIP (.zip) New in version 3.1: 7Z and…
cp1252 – CP 1252 character set encoded in octal, decimal, and hexadecimal Description The Windows Code Pages include several 8-bit extensions to the ASCII character set (also known as ISO 646-IRV). CP 1252 encodes the characters used in many West European languages. CP 1252 characters The following table displays the characters in CP 1252 that…
cp1251 – CP 1251 character set encoded in octal, decimal, and hexadecimal Description The Windows Code Pages include several 8-bit extensions to the ASCII character set (also known as ISO 646-IRV). CP 1251 encodes the characters used in Cyrillic scripts. CP 1251 characters The following table displays the characters in CP 1251 that are printable…
courier-unicode – Courier Unicode Library Synopsis #include <courier-unicode.h> Description This library implements several algorithms related to the m[blue]Unicode Standardm[][1]. This library uses m[blue]iconv(3)m[][2] to convert text in a given character set to unicode. Any character set displayed by iconv –list can be specified for the corresponding character set parameter. Additionally, courier-unicode.h defines a special character…
control-alt-delete – event signalling console press of Control-Alt-Delete Synopsis control-alt-delete [ENV]… Description The control-alt-delete event is generated by the Upstart init(8) daemon when the Control-Alt-Delete key combination is pressed on the console. Typically this combination is used to safely reboot the machine. In the default Upstart configuration handling of this event is provided by the…