e2tools – utilities to manipulate files in an ext2/ext3 filesystem Description E2tools is a simple set of GPL’ed utilities to read, write, and manipulate files in an ext2/ext3 filesystem. These utilities access a filesystem directly using the ext2fs library. I wrote these tools in order to copy files into a linux filesystem on a machine…
drv – cups driver interface for ppd compiler files Synopsis drv list drv cat drv:///filename.drv/pcfilename Description drv lists and compiles PPDC source files installed in the /usr/share/cups/drv and (on Mac OS X) /Library/Printers/PPDs/Contents/Resources directories on behalf of the scheduler, cupsd(8). The first form of the command lists all of the PPD files that can be…
drm – Direct Rendering Manager Synopsis #include <xf86drm.h> Description The Direct Rendering Manager (DRM) is a framework to manage Graphics Processing Units (GPUs). It is designed to support the needs of complex graphics devices, usually containing programmable pipelines well suited to 3D graphics acceleration. Furthermore, it is responsible for memory management, interrupt handling and DMA…
drm-memory, drm-mm, drm-gem, drm-ttm – DRM Memory Management Synopsis #include <xf86drm.h> Description Many modern high-end GPUs come with their own memory managers. They even include several different caches that need to be synchronized during access. Textures, framebuffers, command buffers and more need to be stored in memory that can be accessed quickly by the GPU….
drm-memory, drm-mm, drm-gem, drm-ttm – DRM Memory Management Synopsis #include <xf86drm.h> Description Many modern high-end GPUs come with their own memory managers. They even include several different caches that need to be synchronized during access. Textures, framebuffers, command buffers and more need to be stored in memory that can be accessed quickly by the GPU….
drm-memory, drm-mm, drm-gem, drm-ttm – DRM Memory Management Synopsis #include <xf86drm.h> Description Many modern high-end GPUs come with their own memory managers. They even include several different caches that need to be synchronized during access. Textures, framebuffers, command buffers and more need to be stored in memory that can be accessed quickly by the GPU….
drm-kms – Kernel Mode-Setting Synopsis #include <xf86drm.h> #include <xf86drmMode.h> Description Each DRM device provides access to manage which monitors and displays are currently used and what frames to be displayed. This task is called Kernel Mode-Setting (KMS). Historically, this was done in user-space and called User-space Mode-Setting (UMS). Almost all open-source drivers now provide the…
drm-memory, drm-mm, drm-gem, drm-ttm – DRM Memory Management Synopsis #include <xf86drm.h> Description Many modern high-end GPUs come with their own memory managers. They even include several different caches that need to be synchronized during access. Textures, framebuffers, command buffers and more need to be stored in memory that can be accessed quickly by the GPU….
dracut.modules – dracut modules Description dracut uses a modular system to build and extend the initramfs image. All modules are located in /usr/lib/dracut/modules.d or in <git-src>/modules.d. The most basic dracut module is 99base. In 99base the initial shell script init is defined, which gets run by the kernel after initramfs loading. Although you can replace…
dracut.modules – dracut modules Description dracut uses a modular system to build and extend the initramfs image. All modules are located in /usr/lib/dracut/modules.d or in <git-src>/modules.d. The most basic dracut module is 99base. In 99base the initial shell script init is defined, which gets run by the kernel after initramfs loading. Although you can replace…
dracut.cmdline – dracut kernel command line options Description The root device used by the kernel is specified in the boot configuration file on the kernel command line, as always. The traditional root=/dev/sda1 style device specification is allowed, but not encouraged. The root device should better be identified by LABEL or UUID. If a label is…
dracut.bootup – boot ordering in the initramfs Description This flow chart illustrates the ordering of the services, if systemd is used in the dracut initramfs. systemd-journal.socket | v dracut-cmdline.service | v dracut-pre-udev.service | v systemd-udevd.service | v local-fs-pre.target dracut-pre-trigger.service | | v v (various mounts) (various swap systemd-udev-trigger.service | devices…) | (various low-level (various low-level…
doveadm-search-query – Overview of search queries for doveadm mailbox commands Description Several doveadm(1) commands use a search_query in order to act only on matching messages. This manual page describes all SEARCH KEYS, which can be used in a search_query. Each search_query consists at least of one SEARCH KEY. Most of the SEARCH KEYS require an…
ditroff – classical device-independent roff Description The name ditroff refers to a historical development stage of the roff(7) text processing system. In roff systems extant today, the name troff is a synonym for ditroff. Early versions of roff by Joe Ossanna generated two programs from the same sources, using conditional compilation to distinguish them. nroff…
dh-autoreconf – debhelper add-on to run autoreconf during build Description The dh-autoreconf package provides a sequence addon for debhelper 7 and is enabled by default since compatibility level 10. For earlier compatibility levels it can be enabled in the following way: #!/usr/bin/make -f %: dh $@ –with autoreconf This will call dh_autoreconf prior to dh_auto_configure…
Syntax of syntax highlighting files used by dex. Description Syntax file consists of states. A state consists of optional conditionals and one default action. The best way understand the syntax is to read /usr/share/dex/syntax/dex (a simple example) or /usr/share/dex/syntax/c (a more complete example using sub-syntaxes). Basic syntax of the syntax files is the same used…
debuginfod-client-config – debuginfod client environment variables, cache control files and etc. Synopsis Several environment variables and control files control the behaviour of debuginfod client applications. Environment Variables $TMPDIR This environment variable points to a file system to be used for temporary files. The default is /tmp. $DEBUGINFOD_URLS This environment variable contains a list of URL…
debhelper – the debhelper tool suite Synopsis dh_* [-v] [-a] [-i] [–no-act] [-ppackage] [-Npackage] [-Ptmpdir] Description Debhelper is used to help you build a Debian package. The philosophy behind debhelper is to provide a collection of small, simple, and easily understood tools that are used in debian/rules to automate various common aspects of building a…
debhelper-obsolete-compat – List of no longer supported compat levels Synopsis This document contains the upgrade guidelines from all compat levels which are no longer supported. Accordingly it is mostly for historical purposes and to assist people upgrading from a non-supported compat level to a supported level. For upgrades from supported compat levels, please see debhelper(7)….
debconf – Debian package configuration system Description Debconf is a configuration system for Debian packages. There is a rarely-used command named debconf, documented in debconf(1) Debconf provides a consistent interface for configuring packages, allowing you to choose from several user interface frontends. It supports preconfiguring packages before they are installed, which allows large installs and…