8 System administration

11,068 pages in section 8.

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na

nacctd network accounting daemon
naddress bind to an ip and execute a program
nagios host/service/network monitoring program
nagios-statd nagios-statd daemon
nagios2 network/systems status monitoring daemon
nagios2stats report statistics information from the nagios system
nagios3 network/systems status monitoring daemon
nagios3stats report statistics information from the nagios system
nagios4 network/systems status monitoring daemon
nagios4stats report statistics information from the nagios system
nagiosgrapher Collects data from nagios and pipes them to generate graphs.
nala Front-end for libapt-pkg
nala-autoremove Autoremove or Autopurge packages that are no longer needed
nala-clean Clear out the local archive of downloaded package files
nala-fetch Fetch fast mirrors to improve download speed
nala-history subcommand for interacting with nala's history
nala-install install packages
nala-list List all packages or only packages based on the provided name
nala-remove Remove or purge packages that are no longer needed
nala-search Search package names and descriptions
nala-show Show information about a package
nala-update Update the list of available packages
nala-upgrade Update the package list and upgrade the system
named Internet domain name server
named-bootconf convert name server configuration files
named-checkconf named configuration file syntax checking tool
named-checkzone zone file validity checking or converting tool
named-compilezone zone file validity checking or converting tool
named-journalprint print zone journal in human-readable form
named-nzd2nzf convert an NZD database to NZF text format
named-xfer ancillary agent for inbound zone transfers
named_selinux Security Enhanced Linux Policy for the Internet Name server (named) daemon
nameif name network interfaces based on MAC addresses
nanobsd create an embedded FreeBSD system image
nanobsd.sh create an embedded FreeBSD system image
naptime.bt Trace voluntary sleep calls. Uses bpftrace/eBPF.
naptime.bt.bt Trace voluntary sleep calls. Uses bpftrace/eBPF.
nast Network Analyzer Sniffer Tool
natd Network Address Translation daemon
natsemi-diag EEPROM setup and diagnostic program for ethernet cards based on the National Semiconductor DP83810 / 83815 chips.
nattribute sets/gets attributes of network contexts

nb

nbd-client connect to a server running nbd-server(1), to use its exported block device
nbdb_reindexd Postfix non-Berkeley-DB migration
nbdrootd Serve out LTSP images created with ltsp-update-image(8)
nbdswapd dynamically create swap files on request export with an nbd-server(1) instance

nc

ncaptool Network capture library
ncheck_ffs generate names from inode-numbers
ncontext manages the creation of network contexts
ncpd Daemon which handles the serial link to a Psion
ncpmount mount volume(s) from a specified NetWare fileserver.
ncpumount unmount a NetWare filesystem mounted with ncpmount.

nd

ndc name daemon control program
ndisc6 ICMPv6 Neighbor Discovery tool
ndisgtk load Windows wireless drivers with ndiswrapper
ndiswrapper Linux kernel module and user space tool to load and run Windows XP drivers for wireless cards
ndiswrapper-1.1 Linux kernel module and user space tool to load and run Windows XP drivers for wireless cards
ndiswrapper-1.9 Linux kernel module and user space tool to load and run Windows XP drivers for wireless cards
ndp control/diagnose IPv6 neighbor discovery protocol
ndpexhaust26
ndpexhaust6
ndpmon Neighbor Discovery Protocol Monitor
ndptool Neighbor Discovery Protocol tool
ndsend send a Neighbor Advertisement NDP packet
ndtpcheck manual page for NDTPD (ndtpcheck) version 3.0.1
ndtpcontrol manual page for NDTPD (ndtpcontorl) version 3.0.1
ndtpd manual page for NDTPD (ndtpd) version 3.0.1
ndtpdaily manual page for ndtpdaily (NDTPD) version 3.0.1
ndtpstat manual page for ndtpstat (NDTPD) version 3.0.1
ndtpupgrade manual page for ndtpupgrade (NDTPD) version 3.0.1

ne

ne2k-diag Diagnostic program for NE2000 ethernet cards.
ne2k-pci-diag EEPROM setup and diagnostic program for PCI NE2000 ethernet cards.
neard Near Field Communication daemon
nedit-pr No manpage for this program, utility or function.
negotiate_kerberos_auth Squid kerberos based authentication helper Version 3.0.4sq
nepenthes finest collection -
nepomukserver KDE daemon - The Nepomuk server application.
nepomukservicestub KDE wrapper around Nepomuk service plugins.
nessus-adduser add a user in the nessusd userbase
nessus-mkcert Creates a server certificate
nessus-rmuser removes a user from the nessusd userbase
nessus-update-plugins updates the Nessus security checks automatically
nessus-update-plugins-gpl updates the Nessus security checks automatically
nessusd The server part of the Nessus Security Scanner
net Tool for administration of Samba and remote CIFS servers.
net.samba3 Tool for administration of Samba and remote CIFS servers.
net2kiss convert a network AX.25 driver to a KISS stream on a pseudo-tty
netacl TCP network access control
netatalk Netatalk AFP server service controller daemon
netatalk-uniconv convert Netatalk volume encoding
netbootdisk find local drive to use with NetBoot
netcap a program to review network capability posture
netconf network client and server configuration
netconsole-setup Dynamically configure Linux netconsole
netdate set date and time by ARPA Internet RFC 868
netdevstat tool for recording network activity
netdiscover active/passive ARP reconnaissance tool
netenv Configure your system for different network environments
netfilter-persistent load, flush and save netfilter rule sets
netgroup_mkdb generate the netgroup databases
nethogs Net top tool grouping bandwidth per process
netlabel-config NetLabel configuration utility
netlabelctl NetLabel management utility
netperfmeter Network Performance Meter
netplan Netplan runtime CLI
netplan-apply apply configuration from Netplan YAML files to a running system
netplan-dbus daemon to access Netplan functionality via a D-Bus API
netplan-generate generate back-end configuration from Netplan YAML files
netplan-get read merged Netplan YAML configuration
netplan-info show available features
netplan-ip retrieve IP information (like DHCP leases) from the system
netplan-rebind rebind SR-IOV virtual functions to their driver
netplan-set write Netplan YAML configuration snippets to file
netplan-status query networking state of the running system
netplan-try try a configuration, optionally rolling it back
netplugd network cable hotplug management daemon
netproc process-based network monitoring tool
netqtop-bpfcc Summarize PPS, BPS, average size of packets and packet counts ordered by packet sizes on each queue of a network interface.
netrom_call make an AX.25, NET/ROM, ROSE or TCP connection
netromd Send and receive NET/ROM routing messages
netscript netscript network configuration command
netscript-compile netscript ipfilter-defs compile back end.
netscript-ipfilter netscript network configuration command
netselect No manpage for this program, utility or function.
netshaper show / manipulate network device hardware shaping configuration
netsniff-ng the packet sniffing beast
netstart network startup script
netstat Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
network-config Simple network configuration tool
networkd-dispatcher Dispatcher service for systemd-networkd connection status changes
NetworkManager network management daemon
NetworkManager-dispatcher Dispatch user scripts for NetworkManager
NetworkManager-wait-online.service Wait for the network to come online
NetworkManagerDispatcher daemon that runs commands in response to off/online
netxml-ups Driver for Eaton / MGE Network Management Card / Proxy (XML/HTTP Protocol) equipment
neutron-linuxbridge-agent OpenStack Virtual network service - linuxbridge agent
neutron-nec-agent OpenStack Virtual network service - nec agent
neutron-openvswitch-agent OpenStack Virtual network service - openvswitch agent
neutron-rootwrap OpenStack Virtual network service - sudo helper
neutron-server OpenStack Virtual network service - server
newaliases rebuild mail aliases
newaliases.sendmail rebuild the data base for the mail aliases file
newapc Driver for American Power Conversion Smart Protocol UPS equipment
newfs construct a new UFS1/UFS2 file system
newfs_ext2fs construct a new ext2 file system
newfs_fskit construct a new file system using FSKit
newfs_hfs construct a new HFS Plus file system
newfs_msdos construct a new MS-DOS (FAT) file system
newfs_udf construct a new UDF file system
newhidups New driver for USB/HID UPS equipment
newlist Create a new, unpopulated Mailman mailing list.
newpowercom Network UPS Tools
news-recovery tools to recover Usenet databases
news.daily Perform daily Usenet maintenance tasks
news2mail Channel script to gateway news into e-mails
NewsCache Cache for Network News Transport Protocol
newslog programs to manipulate or summarize INN log files.
newsoverview maintain netnews overview database
newsrequeue tool to rewrite batchfiles.
newsx news server exchange; post and fetch news articles
newsyslog rotate system message log files to maintain manageable sizes
newusers update and create new users in batch
newvictron Driver for IMV/Victron UPS unit Match, Match Lite, NetUps
nextboot specify an alternate kernel and boot flags for the next reboot
nextepc-hssd Home Subscriber Server (EPC / LTE)
nextepc-mmed Mobile Management Entity (EPC / LTE)
nextepc-pcrfd Policy and Charging Rules Function (EPC / LTE)
nextepc-pgwd Packet Data Network Gateway (EPC / LTE)
nextepc-sgwd Serving Gateway (EPC / LTE)

nf

nf2csv iptables to CSV data
nfacct command line tool to create/retrieve/delete accounting objects
nfbpf_compile generate bytecode for use with xt_bpf
nfcollector collects NetFlow data and writes it to a file
nfct command line tool to configure with the connection tracking system
nfnl_osf OS fingerprint loader utility
nfs4mapid shows NFSv4 mappings from uids or gids to over the wire string names and string names to uids or gids.
nfs_selinux Security Enhanced Linux Policy for NFS
nfscbd NFSv4 client side callback daemon
nfsconf Query various NFS configuration settings
nfsd NFS server process
nfsdcld NFSv4 Client Tracking Daemon
nfsdclddb Tool for manipulating the nfsdcld sqlite database
nfsdclnts print various nfs client information for knfsd server.
nfsdcltrack NFSv4 Client Tracking Callout Program
nfsdctl control program for the Linux kernel NFS server
nfsdist-bpfcc Summarize NFS operation latency. Uses Linux eBPF/bcc.
nfsdtop display top-like NFS server I/O statistics
nfsdumpstate display NFSv4 open/lock state
nfsidmap The NFS idmapper upcall program
nfsiod local NFS asynchronous I/O server
nfsiostat Emulate iostat for NFS mount points using /proc/self/mountstats
nfslogsum summarize nfswatch log file
nfsref manage NFS referrals
nfsrevoke revoke NFS V4 client
nfsslower-bpfcc Trace slow NFS file operations, with per-event details.
nfsstat list NFS statistics
nfstrace NFS and CIFS tracing/monitoring/capturing/analyzing tool
nfsuserd load user and group information into the kernel for NFSv4 services plus support manage-gids for all NFS versions
nfsv4.exportd NFSv4 Server Mount Daemon
nfswatch monitor an NFS server
nft Administration tool of the nftables framework for packet filtering and classification
nftables Administration tool of the nftables framework for packet filtering and classification
nftlb nftables load balancer

ng

ngctl netgraph control utility
ngetty daemon for virtual console terminals
ngetty-argv daemon for virtual console terminals
ngetty-helper daemon for virtual console terminals
nghook connect to a netgraph node
nginx HTTP and reverse proxy server, mail proxy server
ngircd the "next generation" IRC daemon
ngrep network grep
ngrok secure introspectable tunnels to localhost
ngrokd secure introspectable tunnels to localhost

nh

nhfsgraph Run nhfsstone over multiple loads
nhfsnums Convert nhfsrun output to plot(5)
nhfsrun Run nhfsstone over multiple loads
nhfsstone Network File System benchmark program
nhrpd a Next Hop Routing Protocol routing engine for use with FRRouting.
nhs_ser Driver for NHS Nobreaks, senoidal line, with serial port

ni

niceshaper Dynamic Traffic Shaper
nield Network Interface Events Logging Daemon
nilfs the new implementation of a log-structured file system
nilfs-clean run garbage collector on NILFS file system
nilfs-resize resize NILFS file system volume size
nilfs-tune adjust tunable file system parameters on NILFS file system
nilfs_cleanerd NILFS2 garbage collector
ninja Privilege escalation detection system for GNU/Linux
ninpaths Report Usenet Path header field statistics (new inpaths)
NIS description of the YP/NIS system
nis description of the YP/NIS system
nis_selinux Security Enhanced Linux Policy for NIS.
nisdomainname set or display name of current domain nisdomainname - set or display name of current NIS(YP) domain ypdomainname - set or display name of current NIS(YP) domain
nitram Driver for Nitram Elite 2005 UPS equipment
nix-daemon Nix multi-user support daemon

nl

nl-classid-lookup Lookup classid definitions
nl-pktloc-lookup Lookup packet location definitions
nl-qdisc-add Manage queueing disciplines
nl-qdisc-delete Manage queueing disciplines
nl-qdisc-list Manage queueing disciplines
nlpatch Patches a nodelist

nm

nm-cloud-setup Overview of Automatic Network Configuration in Cloud
nm-initrd-generator early boot NetworkManager configuration generator
nmbd NetBIOS name server to provide NetBIOS over IP naming services to clients
nmicmpd The network management ICMP daemon.
nmofif helper scripts for ipmasq(8)
nmstate-autoconf A nmstate command line tool to automatically configure the network state using LLDP information
nmstate.service Apply /etc/nmstate network states
nmstatectl A nmstate command line tool
nmtrapd A network management SNMP trap multiplexer.
nmtree map a directory hierarchy

nn

nnmaster nn database manager
nnrpd NNTP server for reader clients
nnspew subject database manager (nn)
nntpd NNTP server process
nntpsend Send Usenet articles to remote sites

no

no-ip A second-generation Linux client for the no-ip.com dynamic DNS service.
node Node front end for AX.25, NET/ROM, Rose and TCP
node_query6
nodegc-bpfcc Trace garbage collection events in high-level languages.
nodesave Saves NET/ROM routing information
nodestat-bpfcc Activity stats from high-level languages.
nodm X display manager for automatic logins
noffle-cronfetch script to fetch news with noffle via cron
noflushd userland daemon to spin down idle disks.
nohang A sophisticated low memory handler
noip2 No-IP.com Dynamic DNS Update Client (DUC)
nologin politely refuse a login
noping send ICMP ECHO_REQUEST to network hosts
nordugridmap ARC grid-mapfile generator
nos-tun implement ``nos'' or ``ka9q'' style IP over IP tunnel
notify HylaFAX user notification script
notifyd Cyrus notification server
nova-api frontend API server for Nova
nova-api-ec2 frontend EC2 API server for Nova
nova-api-metadata frontend metadata API server for Nova
nova-api-os-compute frontend API server for Nova Compute
nova-api-os-volume frontend API server for Nova Volume
nova-cert Manages x509 certificates for Nova
nova-compute provides compute server resources for the openstack cloud computing system
nova-console nova VNC console proxy
nova-consoleauth nova VNC console authenticator
nova-dhcpbridge Manage nova-network DHCP bridge
nova-network provides network resources (connectivity and IP addresses)
nova-objectstore provides virtual machine storage functionalities
nova-rootwrap Authorizes and executes sudo commands on Nova's behalf
nova-scheduler Schedules instances, volumes, etc. for Nova
nova-vncproxy nova VNC console proxy
nova-volume provides EBS like storage for your virtual machine instances
novena-eeprom novena eeprom editor

np

nparted Curses and GNU Parted based disk partition table manipulator for GNU/Linux
npcd Nagios Performance C Daemon
npd6 neighbor proxy daemon ipv6
npppctl control npppd
npppd new Point-to-Point Protocol (PPP) daemon

nq

nqmgr Postfix queue manager
nqptp Not Quite PTP: PTP-based timing daemon for Apple AirPlay 2
nquery-pr No manpage for this program, utility or function.

nr

nrattach Start a NET/ROM interface
nrparms Configure the NET/ROM interface.
nrpe Nagios Remote Plugin Executor - Server
nrprobenet probe local net for hw/IP pairs
nrsdrv KISS to NET/ROM serial converter

ns

ns-accountstatus Directory Server perl script for checking the status of entries.
ns-accountstatus.pl Directory Server perl script for checking the status of entries.
ns-activate Directory Server perl script for activating entries.
ns-activate.pl Directory Server perl script for activating entries.
ns-inactivate Directory Server perl script for inactivating entries.
ns-inactivate.pl Directory Server perl script for inactivating entries.
ns-newpwpolicy Directory Server perl script for preparing new password policies.
ns-newpwpolicy.pl Directory Server perl script for preparing new password policies.
ns-slapd The main Directory Server daemon
ns820-diag EEPROM setup and diagnostic program for ethernet cards based on the National Semiconductor DP83820 chip series.
nsca Nagios Service Check Acceptor
nsca-ng monitoring command acceptor
nscd name service caching daemon
nscd_nischeck check NIS+ tables for read permissions
nsctl manage running l2tpns instance
nsd Name Server Daemon (NSD) version 4.15.3.
nsd-checkconf NSD configuration file checker.
nsd-checkzone NSD zone file syntax checker.
nsd-control NSD remote server control utility.
nsd-control-setup NSD remote server control utility.
nsd-notify program to send NOTIFY's to remote nameservers.
nsd-patch NSD zone patcher version 3.2.12.
nsd-xfer AXFR client to transfer zones from a name server
nsdc Name Server Daemon (NSD) control script.
nsec3hash generate NSEC3 hash
nslcd local LDAP name service daemon
nslint perform consistency checks on dns files
nslookup query Internet name servers interactively
nsm NetSync Monitor client
nsmon Network Security MONitor
nss-cache-oslogin UNIX implementation for OS Login Users and Groups with local caching.
nss-docker nss module for finding Docker containers
nss-myhostname Hostname resolution for the locally configured system hostname
nss-mymachines Hostname resolution for local container instances
nss-oslogin UNIX implementation for OS Login Users and Groups.
nss-resolve Hostname resolution via systemd-resolved.service
nss-systemd UNIX user and group name resolution for user/group lookup via Varlink
nss-tlsd DNS over HTTPS resolver
nss_pcache Helper program used to store token password pins
nss_tacplus TACACS+ nsswitch module
nss_updatedb cache name service directories in DB format
nstat network statistics tools
nstxcd IP over DNS tunneling client
nsupdate Dynamic DNS update utility

nt

ntalkd remote user communication server
ntchange No manpage for this program, utility or function.
ntdbbackup tool for backing up and for validating the integrity of samba .ntdb files
ntdbdump tool for printing the contents of an NTDB file
ntdbrestore tool for creating a NTDB file out of a ntdbdump output
ntdbtool manipulate the contents NTDB files
ntdump No manpage for this program, utility or function.
ntfs-3g Third Generation Read/Write NTFS Driver
ntfs-3g.probe Probe an NTFS volume mountability
ntfs-3g.secaudit NTFS Security Data Auditing
ntfs-3g.usermap NTFS Building a User Mapping File
ntfs-config Enable/disable write support for NTFS with a simple click.
ntfs-config-root ntfs-config su helper
ntfs.util NTFS file system utility
ntfs2btrfs convert ntfs filesystem to btrfs filesystem
ntfscat print NTFS files and streams on the standard output
ntfsclone Efficiently clone, image, restore or rescue an NTFS
ntfscluster identify files in a specified region of an NTFS volume.
ntfscmp compare two NTFS filesystems and tell the differences
ntfscp copy file to an NTFS volume.
ntfsdecrypt decrypt or update NTFS files encrypted according to EFS
ntfsfallocate preallocate space to a file on an NTFS volume
ntfsfix fix common errors and force Windows to check NTFS
ntfsinfo dump a file's attributes
ntfslabel display/change the label on an ntfs file system
ntfsls list directory contents on an NTFS filesystem
ntfsmount Read/Write userspace NTFS driver.
ntfsprogs tools for doing neat things with NTFS
ntfsrecover Recover updates committed by Windows on an NTFS volume
ntfsresize resize an NTFS filesystem without data loss
ntfssecaudit NTFS Security Data Auditing
ntfstruncate truncate a file on an NTFS volume
ntfsundelete recover a deleted file from an NTFS volume.
ntfsusermap NTFS Building a User Mapping File
ntfswipe overwrite unused space on an NTFS volume
ntop display top network users
ntop-config No manpage for this program, utility or function.
ntop-rules
ntopng display top network users
ntp-ctl management client for the ntpd-rs ntp-daemon process
ntp-daemon ntpd-rs Network Time Protocol service daemon
ntp-keygen Create a NTP host key
ntp-metrics-exporter Prometheus/OpenMetrics exporter for the ntpd-rs daemon
ntp-wait Wait for ntpd to stabilize the system clock
ntpctl control the NTP daemon
ntpd Network Time Protocol (NTP) daemon
ntpdate set the date and time via NTP
ntpdate-debian set the date and time via NTP
ntpdc vendor-specific NTPD control program
ntping send icmp messages (ping, mask, timestamp) to one or more hosts or trace a route
ntpkeygen create and manage NTP host keys
ntpleapfetch leap-seconds file manager/updater
ntploggps log gpsd data
ntplogtemp log temperature data
ntpq NTP daemon and clients
ntptime read and set kernel time variables
ntptrace NTP daemon and clients
ntpwait wait for ntpd to stabilize the system clock

nu

nuaclgen NUFW acl generator
nuauth NUFW authentication server
nufw NUFW User filtering gateway server
nuke launch nuclear weapons at mapped USENET sites
nullidentd a bare minimum identd server
nullmailer-qmqp qmqp mail sender for nullmailer
nullmailer-queue insert mail messages into the queue
nullmailer-send Send queued messages
nullmailer-smtp smtp mail sender for nullmailer
nullmailer-smtpd sendmail emulator interface for nullmailer
numactl Control NUMA policy for processes or shared memory
numad A user-level daemon that provides placement advice and process management for efficient use of CPUs and memory on systems with NUMA topology.
numastat Show per-NUMA-node memory statistics for processes and the operating system
numatop a tool for memory access locality characterization and analysis.
nut Network UPS Tools
nut-driver-enumerator Tool to map NUT device entries to service instances
nut-ipmipsu Driver for IPMI Power Supply Units (PSU)
nut-recorder Utility to record device status and values changes
nut-scanner Tool to scan communication buses for NUT devices
nut-upower Driver for UPower devices via D-Bus
nutconf NUT configuration tool
nutcracker Fast, light-weight proxy for memcached and Redis
nutdrv_atcl_usb Driver for 'ATCL FOR UPS' equipment
nutdrv_hashx Driver for #* protocol serial based UPS equipment
nutdrv_qx Driver for Q* protocol serial and USB based UPS equipment
nutdrv_siemens-sitop Driver for the Siemens SITOP UPS500 series UPS
nutdrv_siemens_sitop driver for the Siemens SITOP UPS500 series UPS
nutop display top NUFW Users
nuttcp network performance measurement tool
nutupsdrv Generic manual for unified NUT drivers

nv

nvdump program to dump NVidia TV-OUT encoder registers
nvme-discoverd NVMe-oF discovery and connectivity daemon
nvmecontrol NVM Express control utility
nvmetcli Configure NVMe-over-Fabrics Target.
nvram display or modify contents of the EEPROM or NVRAM
nvram-wakeup a (small) program that can read and write the WakeUp time in the BIOS.
nvramtool read/write coreboot-related information
nvtvd backend server to control TV output hardware

nw

nwbocreate Create a NetWare Bindery Object
nwborm Remove a NetWare Bindery Object
nwbpadd Set the value of a NetWare Bindery Property
nwbpcreate Create a NetWare Bindery Propery
nwbprm Remove a NetWare Bindery Propery
nwepgen generates Neesus Datacom compatible WEP keys
nwfsctrl Perform server command
nwgrant Add Trustee Rights to a directory
nwipe securely erase disks
nwmsg Deliver NetWare user broadcast messages
nwrevoke Revoke a Trustee Right from a directory

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