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.
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-balance – balance block groups on a btrfs filesystem Synopsis btrfs balance <subcommand> <args> Description The primary purpose of the balance feature is to spread block groups across all devices so they match constraints defined by the respective profiles. See mkfs.btrfs(8) section PROFILES for more details. The scope of the balancing process can be further…
btreplay – recreate IO loads recorded by blktrace Synopsis btreplay [ options ] <dev…> Description The btrecord and btreplay tools provide the ability to record and replay IOs captured by the blktrace utility. Attempts are made to maintain ordering, CPU mappings and time-separation of IOs. The blktrace utility provides the ability to collect detailed traces…
btrecord – recreate IO loads recorded by blktrace Synopsis Usage: btrecord [ options ] <dev…> Description The btrecord and btreplay tools provide the ability to record and replay IOs captured by the blktrace utility. Attempts are made to maintain ordering, CPU mappings and time-separation of IOs. The blktrace utility provides the ability to collect detailed…
btraceback – wrapper script around gdb and bsmtp Synopsis btraceback /path/to/binary pid Description btraceback is a wrapper shell script around the gdb debugger (or dbx on Solaris systems) and bsmtp, provided for debugging purposes. Usage btraceback is called by the exception handlers of the Bacula daemons during a crash. It can also be called interactively…
btrace – perform live tracing for block devices Synopsis btrace [-s] [-t] [-w N] [-n N] [-b N] [-r <dbg mnt>] [-a <trace>…] <dev>… Description The btrace script provides a quick and easy way to do live tracing of block devices. It calls blktrace on the specified devices and pipes the output through blkparse for…
btkbdd – Bluetooth Keyboard Daemon Synopsis btkbdd [-s addr] [-t addr] [-c file] [-d] device Description This tool starts a Bluetooth HID Keyboard service, serving keystrokes obtained via Linux Input subsystem’s event device (evdev). In practical terms, it turns your Linux box with a physical keyboard into a Bluetooth keyboard, which can be used by…
BTCFLASH – firmware flash utility for BTC DRW1008 DVD+/-RW recorder. Synopsis btcflash DEVICE FILE Description BTCFLASH may also work with other BTC DVD recorders, such as the DRW1004 and DRW1108, but they have not been tested. USE AT YOUR OWN RISK! Firmware files may be obtained by running BTC’s Windows flash utility, then searching in…
btape – Bacula’s Tape interface test program Synopsis btape [options] device-name Description This manual page documents briefly the btape command. Options A summary of options is included below. -? Show summary of options and commands. -b bootstrap Specify a bootstrap file. -c config Specify configuration file. -d nn Set debug level to nn. -p Proceed inspite of I/O…
bscan – Bacula’s ‘Scan tape’ Synopsis bscan [options] bacula-archive Description The purpose of bscan is to read (scan) a Bacula Volume and to recreate or update the database contents with the information found on the Volume. This is done in a non-destructive way. This permits restoring database entries that have been lost by pruning, purging, deleting,…
broctl – interactive shell for managing Bro installations Synopsis broctl [command] Description broctl is an interactive interface for managing either a standalone or a Bro cluster installation. If a broctl command is specified directly on the command-line, then broctl performs the action associated with that command immediately (instead of running the interactive interface). Before actually…
bro – passive network traffic analyzer Synopsis bro / [options] [file …] Description Bro is primarily a security monitor that inspects all traffic on a link in depth for signs of suspicious activity. More generally, however, Bro supports a wide range of traffic analysis tasks even outside of the security domain, including performance measurements and…
brltty_selinux – Security Enhanced Linux Policy for the brltty processes Description Security-Enhanced Linux secures the brltty processes via flexible mandatory access control. The brltty processes execute with the brltty_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…
bridge – show / manipulate bridge addresses and devices Synopsis bridge [ OPTIONS ] OBJECT { COMMAND | help } OBJECT := { link | fdb | mdb | vlan | monitor } OPTIONS := { -V[ersion] | -s[tatistics] | -n[etns] name | -b[atch] filename | -c[olor] | -p[retty] | -j[son] | -o[neline] } bridge…
bregex – Bacula’s ‘regex’ engine Synopsis bregex [options] -f <data-file> Description This manual page documents briefly the bregex command. This program can be useful for testing regex expressions to be applied against a list of filenames. Options A summary of options is included below. -? Show version and usage of program. -d nn Set debug level to nn….
brctl_selinux – Security Enhanced Linux Policy for the brctl processes Description Security-Enhanced Linux secures the brctl processes via flexible mandatory access control. The brctl processes execute with the brctl_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…
brctl – ethernet bridge administration Synopsis brctl [command] Description brctl is used to set up, maintain, and inspect the ethernet bridge configuration in the Linux kernel. An ethernet bridge is a device commonly used to connect different networks of ethernets together, so that these ethernets will appear as one ethernet to the participants. Each of…
br2684ctl – RFC1483/2684 Bridge Daemon Synopsis br2684ctl [ -b ] [[ -c n ] [ -e 0|1 ] [ -p 0|1 ] [ -s sndbuf ] [ -a [itf].vpi.vci ]] … Parameters -a [itf].vpi.vci ATM PVC number, VPI and VCI. (Required) -b Puts the process in the background. -c n br2684 interface number such as 0, 1, … (Required) -e 0|1 Encapsulation method:…
bpqparms – Configure BPQ ethernet devices. Synopsis bpqparms device [-a ethaddr] [-d ethaddr] [-vV] Description Bpqparms allows the setting of the BPQ Ethernet options for a particular device. Each BPQ Ethernet device appears as a device named bpq0…bpqN which overlays the original Ethernet device, usually eth0…ethN. This device is an AX.25 device driver and allows…
bpluginfo – Bacula Plugin information utility Synopsis bplufinfo [options] plugin_filename.so Description The main purpose of bpluginfo is to display different information about Bacula plugin. You can use it to check a plugin name, author, license and short description. You can use additional ‘-a’ option for validating a Bacula Daemons API. In most cases it is…