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.
cache_metadata_size – Estimate the size of the metadata device needed for a given configuration. Synopsis cache_metadata_size [options] Description cache_metadata_size estimates the size of the metadata. Either –nr-blocks, or –block-size and –device-size must be specified. Options –nr-blocks {natural} Specify the number of cache blocks. –block-size {sectors} Specify the size of each cache block in 512 byte…
cache_dump – dump cache metadata from device or file to standard output. Synopsis cache_dump [options] {device|file} Description cache_dump dumps binary cache metadata created by the device-mapper cache target on a device or file to standard output for analysis or postprocessing in XML format. XML formatted metadata can be fed into cache_restore in order to put…
cache_check – validates cache metadata on a device or file. Synopsis cache_check [options] {device|file} Description cache_check checks cache metadata created by the device-mapper cache target on a device or file. This tool cannot be run on live metadata. Options -h, –help Print help and exit. -V, –version Output version information and exit. -q, –quiet Suppress…
cacertdir_rehash – simple script to create or update hash links to certificate files in a directory Synopsis cacertdir_rehash <directory> Description cacertdir_rehash is a simple shell script that is called by authconfig and authconfig-gtk. It uses openssl command line utility to create hash symbolic links of certificate files in the specified directory. Notes The script is…
ca-legacy – Manage the system configuration for legacy CA certificates Synopsis ca-legacy [COMMAND] Description ca-legacy(8) is used to include or exclude a set of legacy Certificate Authority (CA) certificates in the system’s list of trusted CA certificates. The list of CA certificates and trust flags included in the ca-certificates package are based on the decisions…
c2s – client-to-server connector Synopsis c2s [-h] [-c config] [-D] Description c2s accepts incoming connections from clients, performs authentication and registration functions, and communicates with the session manager on their behalf. Options -h Show summary of options. -c Alternate configuration file to use. The compiled-in default is /etc/jabberd/c2s.xml. -D Print debugging output. You should configure…
bwild – Bacula’s ‘wildcard’ engine Synopsis bwild [options] -f <data-file> Description This manual page documents briefly the bwild command. This is a simple program that will allow you to test wild-card expressions against a file of data. Options A summary of options is included below. -? Show version and usage of program. -d nn Set debug level to…
bwbar – create a textual and graphical readout of current bandwidth usage Synopsis bwbar [ –input|-i ] [ –output|-o ] [ –directory|-d directory ] [ –text-file|-t file ] [ –png-file|-p file ] [ –interval|-t seconds ] [ –width|-x pixels ] [ –height|-y pixels ] [ –border|-b pixels ] [ –kbps|-k ] [ –Mbps|-M ] […
les, bus – ATM LAN Emulation service demons Synopsis les [-d module] [-m module] [-f configuration_file] bus [-d module] [-m module] [-f configuration_file] Description LE Service consists of three components: LAN Emulation Configuration Server (lecs(8)), LAN Emulation Server (les) and Broadcast and Unknown Server (bus). Les performs the control coordination function for the emulated LAN. LE clients register MAC addresses and/or…
burp_ca – program for generating certificates for use with burp Synopsis burp_ca [options] A script for generating certificates for use with burp. This script comes with the burp backup and restore package, and was contributed by Patrick Koppen. Options -h|–help show help -i|–init inititalize CA -k|–key generate new key -r|–request generate certificate sign request -s|–sign…
Burp – BackUp and Restore Program Synopsis burp [OPTIONS] Description BackUp and Restore Program. Server Options -c [path] Short for ‘config file’. The argument is a path to the config file. The default is /etc/burp/burp.conf. -n No forking mode. The program will accept a single query, deal with it, and then exit. This is useful…
bumblebee_selinux – Security Enhanced Linux Policy for the bumblebee processes Description Security-Enhanced Linux secures the bumblebee processes via flexible mandatory access control. The bumblebee processes execute with the bumblebee_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
bugzilla_script_selinux – Security Enhanced Linux Policy for the bugzilla_script processes Description Security-Enhanced Linux secures the bugzilla_script processes via flexible mandatory access control. The bugzilla_script processes execute with the bugzilla_script_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
buffchan – Buffered file-writing backend for INN Synopsis buffchan [-bru] [-c lines] [-C seconds] [-d directory] [-f num-fields] [-l lines] [-L seconds] [-m map] [-p pid-file] [-s format] Description buffchan reads lines from standard input and copies the initial fields in each line to the files named by the remaining fields on the line. buffchan…
btrfstune – tune various filesystem parameters Synopsis btrfstune [options] <device> [<device>…] Description btrfstune can be used to enable, disable, or set various filesystem parameters. The filesystem must be unmounted. The common usecase is to enable features that were not enabled at mkfs time. Please make sure that you have kernel support for the features. You…
btrfsctl – control a btrfs filesystem Synopsis btrfsctl [ -d file|directory ] [ -s snapshot-name directory ] [ -S subvolume-name directory ] [ -r [+-]size ] [ -A device ] [ -a ] [ -c ] Note B btrfsctl is deprecated. Please consider to switch to the btrfs utility. Description btrfsctl is used to control…
btrfs-check – check or repair a btrfs filesystem Synopsis btrfs check [options] <device> Description The filesystem checker is used to verify structural integrity of a filesystem and attempt to repair it if requested. It is recommended to unmount the filesystem prior to running the check, but it is possible to start checking a mounted filesystem…
btrfs – a toolbox to manage btrfs filesystems Synopsis btrfs <command> [<args>] Description The btrfs utility is a toolbox for managing btrfs filesystems. There are command groups to work with subvolumes, devices, for whole filesystem or other specific actions. See section COMMANDS. There are also standalone tools for some tasks like btrfs-convert or btrfstune that…
btrfs-rescue – Recover a damaged btrfs filesystem Synopsis btrfs rescue <subcommand> <args> Description btrfs rescue is used to try to recover a damaged btrfs filesystem. Subcommand chunk-recover [options] <device> Recover the chunk tree by scanning the devices Options -y assume an answer of yes to all questions. -v verbose mode. -h help. Note Since chunk-recover…
btrfs-subvolume – manage btrfs subvolumes Synopsis btrfs subvolume <subcommand> [<args>] Description btrfs subvolume is used to create/delete/list/show btrfs subvolumes and snapshots. Subvolume And Snapshot A subvolume is a part of filesystem with its own independent file/directory hierarchy. Subvolumes can share file extents. A snapshot is also subvolume, but with a given initial content of the…