Section 7: overview, conventions, and miscellany
nfsd – special filesystem for controlling Linux NFS server Synposis mount -t nfsd nfsd /proc/fs/nfsd Description The nfsd filesystem is a special filesystem which provides access to the Linux NFS server. The filesystem consists of a single directory which contains a number of files. These files are actually gateways into the NFS server. Writing to…
nfs.systemd – managing NFS services through systemd. Synopsis nfs-utils.service nfs-server.service nfs-client.target etc Description The nfs-utils package provides a suite of systemd unit files which allow the various services to be started and managed. These unit files ensure that the services are started in the correct order, and the prerequisites are active before dependant services start….
network_namespaces – overview of Linux network namespaces Description Network namespaces provide isolation of the system resources associated with networking: network devices, IPv4 and IPv6 protocol stacks, IP routing tables, firewall rules, the /proc/net directory (which is a symbolic link to /proc/PID/net), the /sys/class/net directory, various files under /proc/sys/net, port numbers (sockets), and so on. In…
netlink – communication between kernel and user space (AF_NETLINK) Synopsis #include <asm/types.h> #include <sys/socket.h> #include <linux/netlink.h> netlink_socket = socket(AF_NETLINK, socket_type, netlink_family); Description Netlink is used to transfer information between the kernel and user-space processes. It consists of a standard sockets-based interface for user space processes and an internal kernel API for kernel modules. The internal…
netdevice – low-level access to Linux network devices Synopsis #include <sys/ioctl.h> #include <net/if.h> Description This man page describes the sockets interface which is used to configure network devices. Linux supports some standard ioctls to configure network devices. They can be used on any socket’s file descriptor regardless of the family or type. Most of them…
namespaces – overview of Linux namespaces Description A namespace wraps a global system resource in an abstraction that makes it appear to the processes within the namespace that they have their own isolated instance of the global resource. Changes to the global resource are visible to other processes that are members of the namespace, but…
mvn_package – specify target package for Maven artifact(s) Synopsis %mvn_package artifact-coordinates [target-package] Description mvn_package macro causes instructions for artifact installation to be added to XMvn reactor configuration. It is used to specify target package to which Maven artifacts should be installed. Specified artifact coordinates must match at least one artifact. If not then behavior is…
mvn_install – install Maven artifacts Synopsis %mvn_install [-X] [-J directory] Description mvn_install macro installs Maven artifacts into %buildroot. Specification of artifacts to be installed is taken from .xmvn-reactor file. This file can be populated using mvn_build and/or mvn_artifact macros. Specification how artifacts should be installed is taken from installer settings section in XMvn configuration. See…
mvn_file – set installation location(s) for Maven artifact(s) Synopsis %mvn_file artifact-coordinates primary-file [secondary-file …] Description mvn_file macro causes instructions for artifact installation to be added to XMvn reactor configuration. It is used to control locations of artifact files in file system. (The exact meaning of artifact location is dependant on particular implementation of XMvn repository…
mvn_config – specify custom XMvn configuration option Synopsis %mvn_config key value Description mvn_config macro causes custom configuration options to be added to XMvn reactor configuration. Operands key Configuration option key (unique name). This is XPath-like address of XML configuration node – list of XML nodes delimited by /. If unknown key is given, behavior is…
mvn_compat_version – set version(s) for Maven artifact(s) Synopsis %mvn_compat_version artifact-coordinates version [version …] Description mvn_compat_version macro causes instructions for artifact installation to be added to XMvn reactor configuration. It is used to specify versions for Maven artifacts. Specified artifact coordinates must match at least one artifact. If not then behavior is unspecified. It is possible…
mvn_build – build Maven project with XMvn Synopsis %mvn_build [options] [– Maven-arguments] Description mvn_build macro builds Maven project by calling XMvn and generates reactor structure information to be used by mvn_install. By default Maven phase verify and goal javadoc:aggregate are executed, as well as some additional XMvn-specific goals or phases. If -f is specified then…
mvn_artifact – request installation of Maven artifact Synopsis %mvn_artifact model [artifact-file] %mvn_artifact artifact-coordinates artifact-file Description mvn_artifact macro marks specified Maven artifact to be installed by further call to mvn_install. Multiple calls to mvn_artifact and/or mvn_build can be made to request installation of multiple artifacts. Operands model Path to raw project object model (POM) file to…
mvn_alias – add alias(es) for Maven artifact(s) Synopsis %mvn_alias artifact-coordinates alias [alias …] Description mvn_alias macro causes instructions for artifact installation to be added to XMvn reactor configuration. It is used to specify alternative names (aliases) for Maven artifacts. Specified artifact coordinates must match at least one artifact. If not then behavior is unspecified. It…
munge – MUNGE overview Introduction MUNGE (MUNGE Uid ‘N’ Gid Emporium) is an authentication service for creating and validating credentials. It is designed to be highly scalable for use in an HPC cluster environment. It allows a process to authenticate the UID and GID of another local or remote process within a group of hosts…
mqtt – MQ Telemetry Transport Synopsis MQTT Description MQTT is a lightweight publish/subscribe messaging protocol. It is useful for use with low power sensors, but is applicable to many scenarios. This manual describes some of the features of MQTT version 3.1, to assist end users in getting the most out of the protocol. For more…
mq_overview – overview of POSIX message queues Description POSIX message queues allow processes to exchange data in the form of messages. This API is distinct from that provided by System V message queues (msgget(2), msgsnd(2), msgrcv(2), etc.), but provides similar functionality. Message queues are created and opened using mq_open(3); this function returns a message queue…
mozplugger – a streaming multimedia plugin for UNIX mozilla Description MozPlugger is a Mozilla plugin which can show many types of multimedia inside your Mozilla. To accomplish this, MozPlugger uses external programs such as mplayer, xanim, mtv, timidity and tracker. Configure File You can configure mozplugger by changing the file mozpluggerrc which can be located…
mounting – event signalling that a filesystem is mounting Synopsis mounting DEVICE=DEVICE MOUNTPOINT=MOUNTPOINT TYPE=TYPE OPTIONS=OPTIONS [ENV]… Description The mounting event is generated by the mountall(8) daemon when it is about to mount a filesystem. mountall(8) will wait for all services started by this event to be running, all tasks started by this event to have…
mounted – event signalling that a filesystem has been mounted Synopsis mounted DEVICE=DEVICE MOUNTPOINT=MOUNTPOINT TYPE=TYPE OPTIONS=OPTIONS [ENV]… Description The mounted event is generated by the mountall(8) daemon after it has mounted a filesystem. mountall(8) will wait for all services started by this event to be running, all tasks started by this event to have finished…