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.
telnetd – DARPA TELNET protocol server Synopsis telnetd [-BeUhkln ] [-D debugmode ] [-S tos ] [-X authtype ] [-a authmode ] [-r lowpty-highpty ] [-u len ] [-debug ] [-L /bin/login ] [-y ] [port ] Description The telnetd command is a server which supports the DARPA standard TELNET virtual terminal protocol. Telnetd is…
rshd – remote shell server Synopsis [-aiklnvxPL ] [-p port ] Description is the server for the rsh(1) program. It provides an authenticated remote command execution service. Supported options are: –n –-no-keepalive Disables keep-alive messages. Keep-alives are packets sent at certain intervals to make sure that the client is still there, even when it doesn’t…
ktutil – manage Kerberos keytabs Synopsis [-k keytab | –-keytab= keytab ] [-v | –verbose ] [–version ] [-h | –help ] command [args ] Description is a program for managing keytabs. Supported options: -v , –verbose Verbose output. command can be one of the following: add [-p principal [–principal= principal ] ] Oo Fl…
kadmind – server for administrative access to Kerberos database Synopsis -words [-c file | –-config-file= file ] [-k file | –-key-file= file ] [–keytab= keytab ] [-r realm | –-realm= realm ] [-d | –debug ] [-p port | –-ports= port ] Description listens for requests for changes to the Kerberos database and performs these,…
kadmin – Kerberos administration utility Synopsis -words [-p string | –-principal= string ] [-K string | –-keytab= string ] [-c file | –-config-file= file ] [-k file | –-key-file= file ] [-r realm | –-realm= realm ] [-a host | –-admin-server= host ] [-s port number | –-server-port= port number ] [-l | –local ]…
ftpd – Internet File Transfer Protocol server Synopsis [-a authmode ] [-dilvU ] [-g umask ] [-p port ] [-T maxtimeout ] [-t timeout ] [–gss-bindings ] [-I | –no-insecure-oob ] [-u default umask ] [-B | –builtin-ls ] [–good-chars= string ] Description Ftpd is the Internet File Transfer Protocol server process. The server uses…
heartbeat – Heartbeat subsystem for High-Availability Linux Synopsis heartbeat Description heartbeat is a basic heartbeat subsystem for Linux-HA. It will run scripts at initialisation, and when machines go up or down. This version will also perform IP address takeover using gratuitous ARPs. It works correctly for a 2-node configuration, and is extensible to larger configurations….
hdparm – get/set SATA/IDE device parameters Synopsis hdparm [options] [device …] Description hdparm provides a command line interface to various kernel interfaces supported by the Linux SATA/PATA/SAS "libata" subsystem and the older IDE driver subsystem. Many newer (2008 and later) USB drive enclosures now also support "SAT" (SCSI-ATA Command Translation) and therefore may also work…
hddtemp_selinux – Security Enhanced Linux Policy for the hddtemp processes Description Security-Enhanced Linux secures the hddtemp processes via flexible mandatory access control. The hddtemp processes execute with the hddtemp_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…
hddtemp – Utility to monitor hard drive temperature Synopsis hddtemp [options] [type:]disk… Description hddtemp will give you the temperature of your hard drive by reading Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) information on drives that support this feature. Only modern hard drives have a temperature sensor. hddtemp supports reading S.M.A.R.T. information from SCSI drives too….
hcidump – Parse HCI data Synopsis hcidump [-h] hcidump [option [option…]] [filter] Description hcidump reads raw HCI data coming from and going to a Bluetooth device (which can be specified with the option -i, default is the first available one) and prints to screen commands, events and data in a human-readable form. Optionally, the dump…
hciconfig – configure Bluetooth devices Synopsis hciconfig -h hciconfig [-a] hciconfig [-a] hciX [command [command parameters]] Description hciconfig is used to configure Bluetooth devices. hciX is the name of a Bluetooth device installed in the system. If hciX is not given, hciconfig prints name and basic information about all the Bluetooth devices installed in the…
hciattach – attach serial devices via UART HCI to BlueZ stack Synopsis hciattach [-b] [-n] [-p] [-t timeout] [-s speed] [-l] [-r] tty type|id speed flow bdaddr Description Hciattach is used to attach a serial UART to the Bluetooth stack as HCI transport interface. Options -b Send break. -n Don’t detach from controlling terminal. -p…
hb_report – create report for CRM based clusters (Pacemaker) Synopsis hb_report -f {time|"cts:"testnum} [-t time] [-u user] [-l file] [-n nodes] [-E files] [-p patt] [-L patt] [-e prog] [-MSDCAv] dest Description The hb_report(1) is a utility to collect all information (logs, configuration files, system information, etc) relevant to Pacemaker (CRM) over the given period…
haveged – Generate random numbers and feed linux random device. Synopsis haveged [options] Description haveged generates an unpredictable stream of random numbers harvested from the indirect effects of hardware events on hidden processor state (caches, branch predictors, memory translation tables, etc) using the HAVEGE (HArdware Volatile Entropy Gathering and Expansion) algorithm. The algorithm operates in…
haproxy_selinux – Security Enhanced Linux Policy for the haproxy processes Description Security-Enhanced Linux secures the haproxy processes via flexible mandatory access control. The haproxy processes execute with the haproxy_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…
halt, poweroff, reboot – Halt, power-off or reboot the machine Synopsis halt [OPTIONS…] poweroff [OPTIONS…] reboot [OPTIONS…] Description halt, poweroff, reboot may be used to halt, power-off, or reboot the machine. All three commands take the same options. Options The following options are understood: –help Print a short help text and exit. –halt Halt the…
hald – HAL daemon Synopsis hald [options] Description hald is a daemon that maintains a database of the devices connected to the system system in real-time. The daemon connects to the D-Bus system message bus to provide an API that applications can use to discover, monitor and invoke operations on devices. For more information about…
ha_logd – Logging Daemon for High-Availability Linux Synopsis ha_logd [ -skdh ] [ -c configure file ] Description ha_logd is a logging daemon for Linux-HA. It receives messages from a local domain socket /var/lib/log_daemon, writes them to appropriate files and syslog if enabled. The reason the logging daemon is written is that occationally Heartbeat suffers…
gutenprint-foomaticppdupdate – update Gutenprint Foomatic PPD files Synopsis gutenprint-foomaticppdupdate VERSION Description gutenprint-foomaticppdupdate regenerates the Gutenprint Foomatic PPD files in use by CUPS, using freshly generated Foomatic PPD files as templates. The new PPD file replaces the old PPD file under /etc/cups/ppd, but all the options set in the old PPD will be merged into the…