8 System administration
11,068 pages in section 8.
l2
la
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label_write label to tape for use by afbackup or display ittape -
lacmeACME client written with process isolation and minimal privileges in mind -
ladvdsend link layer advertisements -
ladvdcdisplay link layer advertisements -
lambdamooserver for an online multiuser virtual world -
lamdNo manpage for this program, utility or function. -
laminardLaminar CI server -
lanmapA program that passively listens for any activity on your network connection, and creates an image of the network components it managed to discover -
laptop-attempt to detect a laptopdetect -
laptop-Configuration file for laptop-mode-tools.mode. conf -
laptop-network detection and configuration programnetconf -
laptop_apply laptop mode settingsmode -
lastfmproxyhandler for lastfmproxy -
lastlogreports the most recent login of all users or of a given user -
lastlog2displays date of last login for all users or a specific one -
lastloginindicate last login time of users -
latcpLAT Control Program -
latdLAT daemon -
latencytopa tool for developers to visualize system latencies -
latex-add/remove configurations for hangul-ucs to dvipdfmx.cfg and ttf2pk.cfghangul- ucs- config -
laureltransform, enrich Linux audit logs -
laurel2audittransform Laurel logs to back to original Linux Audit format -
lava-Coordinator daemon for group messaging in MultiNode LAVAcoordinator -
lava-manage connections to lava masterdispatcher- slave -
lava-manage connections to lava masterslave -
lava-manage connections to lava serverworker -
lavapdu-Daemon to queue PDU requests from pduclient.listen -
lavapdu-daemon to control a PDU and implement instructions from the lavapdu-listen daemon.runner
lb
lc
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lcap -
lcas_A Globus GSI-AuthZ plug-in to run LCAS and LCMAPSlcmaps_ gt4_ interface -
lcas_A Globus GSI-AuthZ plug-in to run LCAS and LCMAPSlcmaps_ gt_ interface -
lcd-Momentarily inverts the LCD to indicate an errorflash -
lcd-Prompts the user to enter an IP address on the LCDgetip -
lcd-Sets the position of the cursor on the LCDsetcursor -
lcd-Writes the specified lines to the LCD device and blinksswrite -
lcd-Writes the specified lines to the LCD device and blinkswrite -
lcd-Prompts the user to make a choice between two optionsyesno -
lcd4linuxdaemon for ''lcd'' display devices -
LCDdLCDproc server daemon -
lcdproc -
lchageDisplay or change user password policy -
lcmaps_LCMAPS plugin to ban a user based on the Subject DNban_ dn. mod -
lcmaps_LCMAPS plugin to ban a user based on any of its FQANsban_ fqan. mod -
lcmaps_dummy LCMAPS plugin that always returns failuredummy_ bad. mod -
lcmaps_dummy LCMAPS plugin that always returns successdummy_ good. mod -
lcmaps_jobrepository LCMAPS plug-injobrep. mod -
lcmaps_LCMAPS plugin to update ldap according to credentialsldap_ enf. mod -
lcmaps_LCMAPS plugin to switch user identitylocalaccount. mod -
lcmaps_LCMAPS plugin to switch user identity by pool accountspoolaccount. mod -
lcmaps_LCMAPS plugin to switch user identityposix_ enf. mod -
lcmaps_LCMAPS plugin to verify a certificate chain including proxiesverify_ proxy. mod -
lcmaps_LCMAPS plugin extract VOMS attributes from the certificate chain - DEPRECATEDvoms. mod -
lcmaps_LCMAPS plugin to switch user identity based on VOMS credentials by local accountsvoms_ localaccount. mod -
lcmaps_LCMAPS plugin to switch user identity based on VOMS credentials by local groupsvoms_ localgroup. mod -
lcmaps_LCMAPS plugin to switch user identity based on VOMS credentials by pool accountsvoms_ poolaccount. mod -
lcmaps_LCMAPS plugin to switch user identity based on VOMS credentials by pool groupsvoms_ poolgroup. mod -
lcp2_create an Intel TXT Launch Control Policycrtpol -
lcp2_create an Intel(R) TXT policy element of specified type.crtpolelt -
lcp2_create an Intel(R) TXT policy listcrtpollist -
lcp2_generate a hash of a TXT MLE binary file and print it to STDOUT as text.mlehash -
lcp_read the contents of an LCP policy indexreadpol -
lcp_write LCP policy into a TPM NV indexwritepol
ld
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ld-dynamic linker/loaderlinux -
ld-dynamic linker/loaderlinux. so -
ld-configures musl dynamic linker path'smusl- config -
ld.dynamic linker/loaderso -
ld.manage libraries preloaded on the systemso. preload- manager -
ld10k1emu10k1(emu10k2) patch loader daemon -
ldapaxfrNo manpage for this program, utility or function. -
ldapctlcontrol the LDAP daemon -
ldapdLightweight Directory Access Protocol (LDAP) daemon -
ldapdnsNo manpage for this program, utility or function. -
ldattachattach a line discipline to a serial line -
ldbashconfigCreates or updates cache file for libbash(7) libraries. -
ldbmcatLDBM to LDIF database format conversion utility -
ldbmtestNo manpage for this program, utility or function. -
ldconfigconfigure dynamic linker run-time bindings -
ldea curses based file system viewer/editor for Linux -
ldifconvert arbitrary data to LDIF format -
ldif2dbDirectory Server script for importing a LDIF file -
ldif2db-Directory Server perl script for importing a LDIF fileonline -
ldif2id2childrenLDIF to LDBM database format conversion utilities -
ldif2id2entryLDIF to LDBM database format conversion utilities -
ldif2indexLDIF to LDBM database format conversion utilities -
ldif2ldapDirectory Server script for adding entries -
ldif2ldbmLDIF to LDBM database format conversion utilities -
ldirectordLinux Director Daemon Daemon to monitor remote services and control Linux Virtual Server -
ldiskfsck.check a Linux ext2/ext3/ext4 file systemstatic -
ldminfodoutput login sessions and available locales -
ldomctlLogical Domain management interface -
ldomdLogical Domain daemon -
ldpctlcontrol the LDP routing daemon -
ldpdan LDP routing engine for use with FRRouting.
le
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leafnodeNNTP server for small (dialup) sites -
lecsATM LAN Emulation service demons -
ledctlIntel(R) LED control application for a storage enclosures. -
leddscriptable LED control daemon -
ledmonIntel(R) LED monitor service for storage enclosures. -
lei-technical information for local email interface daemondaemon -
lesATM LAN Emulation service demons -
lessdisks-install packages in a lessdisks chrootaptget -
lessdisks-chroot to a lessdisks root filesystemchroot -
lessdisks-installer for lessdisks chrootsinstall -
lessdisks-copy server host keys into /root/.ssh/known_hosts for lessdisks root.keycopy -
lessdisks-configure a lessdisks terminalsetup
lf
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lfc-start the LFC Data Location Interface serverdli -
lfdiskmanipulate partition tables on a hard drive -
lfshelper utility to administrate lustre clusters -
lfsck.check a Lustre distributed filesystemstatic -
lftdisplay the route packets take to a network host/socket using one of several layer-4 protocols and methods; optionally show heuristic network information in transitu -
lft.print the route packets trace to network hostdb
lg
li
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libdnf5-Actions Pluginactions -
libdnf5-Expired PGP Keys Pluginexpired- pgp- keys -
libdnf5-Local Pluginlocal -
libfwbuilder-No manpage for this program, utility or function.config -
libgvc5-maintain libgvc's configuration fileconfig- update -
libgvc6-maintain libgvc's configuration fileconfig- update -
libnss_UNIX implementation for OS Login Users and Groups with local caching.cache_ oslogin. so. 2 -
libnss_name service switch module to support Apple mdnsdmdns -
libnss_Hostname resolution for the locally configured system hostnamemyhostname. so. 2 -
libnss_Hostname resolution for local container instancesmymachines. so. 2 -
libnss_UNIX implementation for OS Login Users and Groups.oslogin. so. 2 -
libnss_Hostname resolution via systemd-resolved.serviceresolve. so. 2 -
libnss_UNIX user and group name resolution for user/group lookup via Varlinksystemd. so. 2 -
libntfslibrary for accessing and managing NTFS volumes -
libntfs-Module for GNOME VFS that allows access to NTFS filesystems.gnomevfs -
libpam-authentication and session management with SSH private keysssh -
librados-display information about libradosconfig -
libressl-check a certificate for validity against its OCSP responderocspcheck -
libvirt-D-Bus daemon exporting libvirt APIdbus -
libvirt-suspend/resume running libvirt guestsguests -
libvirtdlibvirt management daemon -
lidDisplay user's groups or group's users -
liebertDriver for Liebert contact-closure UPS equipment -
liebert-Driver for Liebert UPS, using the ESP-II serial protocolesp2 -
liebert-Driver for Liebert GXE series UPS, using the YDN23 serial protocolgxe -
lightdm-Settings editor for LightDM GTK+ Greetergtk- greeter- settings -
lightdm-Settings editor for LightDM GTK+ Greetergtk- greeter- settings- pkexec -
lighttpda fast, secure and flexible web server -
lighttpd-monitor/supervise lighttpd daemonangel -
liloinstall boot loader of LiLO -
lilo-convert boot / root options to diskid and uuid in lilo.conf.uuid- diskid -
lilo.install boot loaderreal -
lilo_a simple script that prints the block device containing the main MBRfind_ mbr -
liloconfigcreate new lilo.conf file (with diskid and uuid) -
linaro-program to read or write the BCB partitionbcb- util -
linesrvA server to remotely modem/isdn connection -
linssidgraphical wireless scanner -
linux-safely allow normal users to chrootuser- chroot -
linux32change reported architecture in new program environment and/or set personality flags -
linux64change reported architecture in new program environment and/or set personality flags -
linuxconfSystem configuration/administration tool -
linuxlogoconfigChange when linux_logo(1) is displayed. -
liquidctlmonitor and control liquid coolers and other devices -
lircdDecode infrared signals and provide them on a socket. -
lircd-Run setup commands in lirc_options.confsetup -
lircd-Forward lirc button presses as uinput eventsuinput -
lircmdTranslate infrared signals into mouse events. -
lircrcdSynchronize lircrc state among client applications. -
lisaLAN Information Server -
list_List all the owners of a Mailman mailing list.admins -
list_List all Mailman mailing lists on this hostlists -
list_List all the members of a Mailman mailing listmembers -
live-writes out updated kernel and initrd images to the live media.update- initramfs -
lizardfs-LizardFS monitoring and administration tooladmin -
lizardfs-simple HTTP/CGI server for Lizard File System monitoringcgiserver -
lizardfs-LizardFS monitoring and administration toolprobe
ll
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llcstat-Summarize CPU cache references and misses by process. Uses Linux eBPF/bcc.bpfcc -
lldpcontrol the lldpd agent -
lldpadLink Layer Discovery Protocol (LLDP) agent daemon -
lldpclicontrol LLDP daemon -
lldpctlcontrol LLDP daemon -
lldpdLLDP daemon -
lldptoolmanage the LLDP settings and status of lldpad -
lldptool-Show / manipulate APP TLV configurationapp -
lldptool-Show / manipulate DCBX configurationdcbx -
lldptool-Show / manipulate ETS TLV configurationets -
lldptool-Show / manipulate EVB TLV configurationevb -
lldptool-Show / manipulate EVB IEEE 802.1 Ratified Standard TLV configurationevb22 -
lldptool-Show / manipulate MED TLV configurationsmed -
lldptool-Show / manipulate PFC TLV configurationpfc -
lldptool-Show / manipulate VDP TLV configurationvdp -
llmnrdLLMNR (RFC 4795) responder daemon -
llng-FastCGI server used for providing LemonLDAP::NG services.fastcgi- server -
lloaddLDAP Load Balancer Daemon -
lltdscanscan for LLTD-enabled hosts on a network interface.
lm
ln
lo
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load_load a new SELinux policy into the kernelpolicy -
loaderkernel bootstrapping final stage -
loader.loader.conf processing tools4th -
loader.UEFI kernel loaderefi -
loader.LinuxBoot kernel loaderkboot -
loader.bootloader Lua binding modulelua -
loader_kernel bootstrapping final stage4th -
loader_kernel bootstrapping final stagelua -
loader_kernel bootstrapping final stagesimp -
loadfirmNo manpage for this program, utility or function. -
loadndisdriverUserspace ndis driver loader for the ndiswrapper Linux kernel module -
loadndisdriver-load ndis drivers1. 1 -
loadndisdriver-Userspace ndis driver loader for the ndiswrapper Linux kernel module1. 9 -
loads.Prints load averages. Uses bpftrace/eBPF.bt -
loads.Prints load averages. Uses bpftrace/eBPF.bt. bt -
loadunimapload the kernel unicode-to-font mapping table -
localPostfix local mail delivery -
local-Local-unbound DNS validating resolver 1.26.2.unbound -
local-Local-unbound 1.26.2 anchor utility.unbound- anchor -
local-Check Local-unbound 1.26.2 configuration file for errors.unbound- checkconf -
local-Local-unbound 1.26.2 remote server control utility.unbound- control -
locale-generate localisation files from templatesgen -
localepurgereclaim disk space removing unneeded localizations -
locate.sorted list compressorbigram -
locate.sorted list compressorcode -
locate.create locate databasemklocatedb -
locate.update locate databaseupdatedb -
lock-short desc goes hereutil -
lock_gulmd -
lockdstart kernel lockd process -
lockfNo manpage for this program, utility or function. -
lockfs_helper script for the mount commandmount_ helper -
locknamegenerate a UUCP lock filename -
log2mail -
log_Database logging daemon for Squid Version 0.5.db_ daemon -
logcheckprogram to scan system logs for interesting lines -
logcheck.No manpage for this program, utility or function.sh -
logdumpdump a JFS formatted device's journal log -
login-authenticating login shellsh -
login.kerberos enhanced login programkrb5 -
login_change password authentication typechpass -
login_second-factor authentication via Duo login serviceduo -
login_change local password authentication typelchpass -
login_contact LDAP directory server for authenticationldap -
login_provide standard password authentication typepasswd -
login_provide RADIUS authentication typeradius -
login_provide rejected authenticationreject -
login_provide S/Key authentication typeskey -
login_provide ActivCard, CRYPTOCard and SNK-004 authenticationtoken -
login_provide YubiKey OTP authentication typeyubikey -
logkeysa GNU/Linux keylogger that works! -
logontimeshow cumulative logon time from wtmp -
logoutdEnforce login time restrictions -
logredo"replay" a JFS formatted device's journal log -
logresolveResolve IP-addresses to hostnames in Apache log files -
logrotaterotates, compresses, and mails system logs -
logsavesave the output of a command in a logfile -
logsummgenerate a summary of the Smail log file(s). -
logsys_Logsys Library Overviewoverview -
logtailprint log file lines that have not been read -
logtail2print log file lines that have not been read -
logwatchsystem log analyzer and reporter -
logwrites -
lokkitsimple firewall configuration tool -
lookupconfigprogram to create index files for lookup program. -
loop-Testsuite for loop-AES kernel modules and userspace toolsaes- runtests -
losetupset up and control loop devices -
lowntfs-Third Generation Read/Write NTFS Driver3g
lp
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lpadminconfigure cups printers and classes -
lpasswdChange group or user password -
lpcline printer control program (deprecated) -
lpdline printer spooler daemon -
lpdomaticUniversal print filter/RIP wrapper -
lpflpd filter for nroff output -
lphdiskprepare a hibernation partition for NoteBIOS suspend-to-disk -
lpinfoshow available devices or drivers (deprecated) -
lpkgconfigNo manpage for this program, utility or function. -
lpmovemove a job or all jobs to a new destination -
lprngtoolGUI frontend to LPRng based /etc/printcap -
lptcontrola utility for manipulating the lpt printer driver
lr
ls
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lsbLinux Standard Base support for Debian -
lsbiliboplist BILIBOP tagged devices, display or update some of their udev properties -
lsblklist block devices -
lsdahdiList all Dahdi channels with their types and spans. -
lsdevdisplay information about installed hardware -
lsdev.display information about installed hardwarepl -
lsdoomconfiginteractive lsdoom setuid configuration script -
lsextattrmanipulate extended attributes -
lsfirewirelist FireWire devices -
lsfirewirephylist PHYs of FireWire devices -
lsh-program to securely execute a program as another userexecuv -
lsh-program to check a Kerberos username/password combinationkrb- checkpw -
lsh-program to check a PAM username/password combinationpam- checkpw -
lsh-(re-)configure the lsh-server (lshd)server- config -
lsh_Server for the ssh-2 protocol.proxy -
lshdsecsh (SSH2) server -
lshellSecurely establish process limits upon login -
lsimagelist the images on an image server -
lsinitramfslist content of an initramfs image -
lsinputlist input devices -
lslklist local locks -
lslockslist local system locks -
lsmdevMediated device management utility -
lsmodShow the status of modules in the Linux Kernel -
lsmtdlist memory technology devices -
lsnslist namespaces -
lsoflist open files -
lsparisclist all PA-RISC native devices currently on system -
lspcilist all PCI devices -
lspcmciaPCMCIA card control utility lspcmcia - display extended PCMCIA debugging information -
lspnplist Plug and Play BIOS device nodes and resources -
lspowertweakdisplay system data -
lsscsilist SCSI devices (or hosts), list NVMe devices -
lsusblist USB devices -
lsxidshows the context which is associated to a file -
lszaptelList all zaptel channels with their types and spans.
lt
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ltspentry point to Linux Terminal Server Project applets -
ltsp-build an LTSP client system for use with the LTSP serverbuild- client -
ltsp-chroot into a specific LTSP thin client chrootchroot -
ltsp-configure certain parts of an LTSP serverconfig -
ltsp-configure dnsmasq for LTSPdnsmasq -
ltsp-generate a squashfs image from an image sourceimage -
ltsp-display troubleshooting information about ltsp server and imagesinfo -
ltsp-create the ltsp.img initrd add-oninitrd -
ltsp-install iPXE binaries and configuration in TFTPipxe -
ltsp-copy the kernel and initrd from an image to TFTPkernel -
ltsp-configure NFS exports for LTSPnfs -
ltsp-run applications on the LTSP server via ssh -Xremoteapps -
ltsp-controlaula daemon for ltsp clientssirvecole. gambas -
ltsp-generate an NBD image from an LTSP chrootupdate- image -
ltsp-copy LTSP chroot kernels to TFTP directoriesupdate- kernels -
ltsp-update LTSP chroots to trust the server ssh keysupdate- sshkeys -
lttng-LTTng relay daemonrelayd -
lttng-LTTng session daemonsessiond
lu
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luckybackupa powerful, fast and reliable backup & sync tool -
luckybackup-a powerful, fast and reliable backup & sync toolpkexec -
lufsdutilities around the Linux Userland Filesysystem -
luksformatCreate and format an encrypted LUKS device -
luksmetaUtility for storing metadata in a LUKSv1 header -
luserprocess to control the clueless induhviduals who (mis)use computer systems, peripheral devices and system administrators. Word play on "loser" and "user". -
luseraddAdd an user -
luserdelDelete an user -
lusermodModify an user
lv
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lvchangeChange the attributes of logical volume(s) -
lvconvertChange logical volume layout -
lvcreateCreate a logical volume -
lvdisplayDisplay information about a logical volume -
lvextendAdd space to a logical volume -
lvmLVM tools -
lvm-Display and manipulate configuration informationconfig -
lvm-Display and manipulate configuration informationdumpconfig -
lvm-Display full reportfullreport -
lvm-Continue already initiated poll operation on a logical volumelvpoll -
lvm-short desc goes hereutil -
lvm2-generator for systemd units to activate LVM volumes on bootactivation- generator -
lvm_Utility to import VDO volumes into a new volume groupimport_ vdo -
lvmchangechange attributes of the logical volume manager -
lvmconfLVM configuration modifier -
lvmconfigDisplay and manipulate configuration information -
lvmcreate_create an initial ramdisk to boot with root on a logical volumeinitrd -
lvmdbusdLVM D-Bus daemon -
lvmdevicesManage the devices file -
lvmdiskscanList devices that may be used as physical volumes -
lvmdumpCreate lvm2 information dumps for diagnostic purposes -
lvmetadLVM metadata cache daemon -
lvmlockctlControl for lvmlockd -
lvmlockdLVM locking daemon -
lvmpersistManage persistent reservations on a group of block devices -
lvmpolldLVM poll daemon -
lvmsadcLVM system activity data collector -
lvmsarLVM system activity reporter -
lvreduceReduce the size of a logical volume -
lvremoveRemove logical volume(s) from the system -
lvrenameRename a logical volume -
lvresizeResize a logical volume -
lvsDisplay information about logical volumes -
lvscanList all logical volumes in all volume groups