Linux Manuals

lvchange – Change the attributes of logical volume(s) Synopsis lvchange option_args position_args     [ option_args ]  -a|–activate y|n|ay     –activationmode partial|degraded|complete     –addtag Tag     –alloc contiguous|cling|cling_by_tags|normal|anywhere|inherit  -A|–autobackup y|n     –cachemode writethrough|writeback|passthrough     –cachepolicy String     –cachesettings String     –commandprofile String     –compression y|n     –config String  -C|–contiguous y|n  -d|–debug     –deduplication y|n     –deltag Tag     –detachprofile     –discards passdown|nopassdown|ignore     –driverloaded y|n     –errorwhenfull y|n  -f|–force  -h|–help  -K|–ignoreactivationskip     –ignorelockingfailure     –ignoremonitoring     –lockopt String     –longhelp  -j|–major Number     –[raid]maxrecoveryrate Size[k|UNIT]     –metadataprofile String     –minor Number     –[raid]minrecoveryrate Size[k|UNIT]     –monitor y|n     –nolocking     –noudevsync  -P|–partial  -p|–permission rw|r  -M|–persistent y|n     –poll y|n     –profile String  -q|–quiet  -r|–readahead auto|none|Number     –readonly…

luksformat – Create and format an encrypted LUKS device Synopsis luksformat [-t fstype] device [ mkfs options ] Description luksformat is a wrapper around cryptsetup and mkfs which provides an easy interface for creating an encrypted device that follows the LUKS standard and for putting a file system onto the encrypted device. The default file…

lttng_sessiond_selinux – Security Enhanced Linux Policy for the lttng_sessiond processes Description Security-Enhanced Linux secures the lttng_sessiond processes via flexible mandatory access control. The lttng_sessiond processes execute with the lttng_sessiond_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…

lttng-sessiond — LTTng 2.x central tracing registry session daemon. Synopsis lttng-sessiond [OPTIONS] Description The LTTng project aims at providing highly efficient tracing tools for Linux. It’s tracers help tracking down performance issues and debugging problems involving multiple concurrent processes and threads. Tracing across multiple systems is also possible. The session daemon, acting as a tracing…

lttng-relayd — LTTng remote trace collection daemon Synopsis lttng-relayd [OPTIONS] Description The LTTng project aims at providing highly efficient tracing tools for Linux. It’s tracers help tracking down performance issues and debugging problems involving multiple concurrent processes and threads. Tracing across multiple systems is also possible. The relay daemon listens by default on all network…

lsusb – list USB devices Synopsis lsusb [ options ] Description lsusb is a utility for displaying information about USB buses in the system and the devices connected to them. It uses udev’s hardware database to associate a full human-readable name to the vendor ID and the product ID. Options -v, –verbose Tells lsusb to…

lsscsi – list SCSI devices (or hosts) and their attributes Synopsis lsscsi [–classic] [–device] [–generic] [–help] [–hosts] [–kname] [–list] [–lunhex] [–long] [–protection] [–protmode] [–scsi_id] [–size] [–sysfsroot=PATH] [–transport] [–unit] [–verbose] [–version] [–wwn] [H:C:T:L] Description Uses information in sysfs (Linux kernel series 2.6 and later) to list SCSI devices (or hosts) currently attached to the system. Options…

pccardctl – PCMCIA card control utility lspcmcia – display extended PCMCIA debugging information Synopsis pccardctl [-V] [-v …] command [socket] lspcmcia [-V] [-v …] [socket] Description pccardctl is used to monitor and control the state of PCMCIA sockets. If a socket number is specified, the command will be applied to just one socket; otherwise, all…

lspci – list all PCI devices Synopsis lspci [options] Description lspci is a utility for displaying information about PCI buses in the system and devices connected to them. By default, it shows a brief list of devices. Use the options described below to request either a more verbose output or output intended for parsing by…

lsof – list open files Synopsis lsof [ -?abChlnNOPRtUvVX ] [ -A A ] [ -c c ] [ +c c ] [ +|-d d ] [ +|-D D ] [ +|-e s ] [ +|-E ] [ +|-f [cfgGn] ] [ -F [f] ] [ -g [s] ] [ -i [i] ] [ -k…

lsns – list namespaces Synopsis lsns [options] namespace Description lsns lists information about all the currently accessible namespaces or about the given namespace. The namespace identifier is an inode number. The default output is subject to change. So whenever possible, you should avoid using default outputs in your scripts. Always explicitly define expected columns by…

lsmod – Show the status of modules in the Linux Kernel Synopsis lsmod Description lsmod is a trivial program which nicely formats the contents of the /proc/modules, showing what kernel modules are currently loaded. Copyright This manual page originally Copyright 2002, Rusty Russell, IBM Corporation. Maintained by Jon Masters and others. See Also insmod(8), modprobe(8),…

lsmd_selinux – Security Enhanced Linux Policy for the lsmd processes Description Security-Enhanced Linux secures the lsmd processes via flexible mandatory access control. The lsmd processes execute with the lsmd_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…

lsmd_plugin_selinux – Security Enhanced Linux Policy for the lsmd_plugin processes Description Security-Enhanced Linux secures the lsmd_plugin processes via flexible mandatory access control. The lsmd_plugin processes execute with the lsmd_plugin_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…

lslocks – list local system locks Synopsis lslocks [options] Description lslocks lists information about all the currently held file locks in a Linux system. Note that lslocks also lists OFD (Open File Description) locks, these locks are not associated with any process (PID is -1). OFD locks are associated with the open file description on…

lsinitramfs – list content of an initramfs image Synopsis lsinitramfs [-l] initramfs-file… lsinitramfs -h Description The lsinitramfs command lists the content of given initramfs images. It allows one to quickly check the content of one (or multiple) specified initramfs files. Options -h Display usage information and exit. -l Display long and more verbose listing of…

lsdahdi – List all dahdi channels with their types and spans. Synopsis lsdahdi Description Example output: ### Span 1: WCTDM/0 "Wildcard TDM400P REV E/F Board 1" 1 FXO FXOLS (In use) 2 FXS FXSKS 3 FXS FXSKS 4 FXS FXSKS ### Span 2: XBUS-00/XPD-00 "Xorcom XPD #00/00: FXO" 5 FXO FXSKS (In use) 6 FXO…

lsblk – list block devices Synopsis lsblk [options] [device…] Description lsblk lists information about all available or the specified block devices. The lsblk command reads the sysfs filesystem and udev db to gather information. If the udev db is not available or lsblk is compiled without udev support, then it tries to read LABELs, UUIDs…

lsassd_selinux – Security Enhanced Linux Policy for the lsassd processes Description Security-Enhanced Linux secures the lsassd processes via flexible mandatory access control. The lsassd processes execute with the lsassd_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…

lpr_selinux – Security Enhanced Linux Policy for the lpr processes Description Security-Enhanced Linux secures the lpr processes via flexible mandatory access control. The lpr processes execute with the lpr_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…