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.
hostname – show or set the system’s host name domainname – show or set the system’s NIS/YP domain name ypdomainname – show or set the system’s NIS/YP domain name nisdomainname – show or set the system’s NIS/YP domain name dnsdomainname – show the system’s DNS domain name Synopsishostname [-a|–alias] [-d|–domain] [-f|–fqdn|–long] [-A|–all-fqdns] [-i|–ip-address] [-I|–all-ip-addresses] [-s|–short]…
yppasswd, ypchfn, ypchsh – change your password in the NIS database Synopsisyppasswd [-f] [-l] [-p] [user] ypchfn [user] ypchsh [user] DescriptionIn the old days, the standard passwd(1), chfn(1) and chsh(1) tools could not be used under Linux to change the users NIS password, shell and GECOS information. For changing the NIS information, they were replaced…
yppasswd, ypchfn, ypchsh – change your password in the NIS database Synopsisyppasswd [-f] [-l] [-p] [user] ypchfn [user] ypchsh [user] DescriptionIn the old days, the standard passwd(1), chfn(1) and chsh(1) tools could not be used under Linux to change the users NIS password, shell and GECOS information. For changing the NIS information, they were replaced…
ypcat – print values of all keys in a NIS database Synopsisypcat [ -kt ] [ -d domain ] [ -h hostname ] mapname ypcat -x Descriptionypcat prints the values of all keys from the NIS database specified by mapname, which may be a map name or a map nickname. Options-d domain Specify a domain…
youtube-dl – download videos from youtube.com or other video platforms Synopsisyoutube-dl [OPTIONS] URL [URL…] Descriptionyoutube-dl is a command-line program to download videos from YouTube.com and a few more sites. It requires the Python interpreter, version 2.6, 2.7, or 3.2+, and it is not platform specific. It should work on your Unix box, on Windows or…
ykpersonalize – personalize YubiKey OTP tokens Synopsisykpersonalize [-1 | -2] [-sfile] [-ifile] [-fformat] [-axxx] [-cxxx] [-ooption] [-y] [-v] [-d] [-h] [-n] [-t] [-u] [-x] [-z] [-m] [-S] [-V] OptionsSet the AES key, user ID and other settings in a YubiKey. For the complete explanation of the meaning of all parameters, see the reference manual: YubiKey…
ykparse – decrypt and show information inside a YubiKey OTP Synopsisykparse AESKEY TOKEN DescriptionDecrypt and display information inside a YubiKey OTP. OptionsAESKEY The 16-character AES-128 key to use in hex. TOKEN The modhex encoded One-Time Password (OTP).ExamplesTypical usage of the tool is as follows. ykparse ecde18dbe76fbd0c33330f1c354871db dteffujedcflcindvdbrblehecuitvjkjevvehjdSee AlsoYubiKeys can be obtained from Yubico: http://www.yubico.com/
ykpamcfg – Manage user settings for the Yubico PAM module Synopsisykmapcfg [-1 | -2] [-A] [-p] [-i] [-v] [-V] [-h] Options-1 use slot 1. This is the default. -2 use slot 2. -A action choose action to perform. See ACTIONS below. -p path specify output file for, default is ~/.yubico/challenge -i iterations number of iterations…
ykneomgr – YubiKey NEO management tool Synopsisykneomgr [OPTIONS]… Descriptionykneomgr 0.1.8 YubiKey NEO management tool. -h, –help Print help and exit -V, –version Print version and exit -m, –get-mode Output mode of YubiKey NEO (default=off) -w, –get-version Output firmware version for YubiKey NEO (default=off) -s, –get-serialno Output serial number (default=off) -l, –list-readers List all connected PCSC…
ykinfo – Get basic information from a YubiKey Synopsisykinfo [-s] [-m] [-H] [-v] [-t] [-p] [-1] [-2] [-q] [-V] [-h] DescriptionGet basic information from a YubiKey. Can get serial number, version and current touch level. Can get all parameters at once or one at a time. If -q is given only the relevant string from…
ykgenerate – construct and encrypt an OTP from given data Synopsisykgenerate AESKEY YK_INTERNALNAME YK_COUNTER YK_LOW YK_HIGH YK_USE DescriptionGenerate OTPs by encrypting given values under the given encryption key. OptionsAESKEY The 16-character AES-128 key to use in hex. YK_INTERNALNAME Hex encoded internal identity (48 bit). YK_COUNTER Hex encoded counter (16 bit). YK_LOW Hex encoded timestamp low…
ykclient – YubiCloud One-Time-Password Validation Client Synopsisykclient [OPTION]… CLIENTID YUBIKEYOTP DescriptionValidate the YUBIKEYOTP one-time-password against the YubiCloud using CLIENTID as the client identifier. Mandatory arguments to long options are mandatory for short options too. –help Display this help screen –version Display version information –debug Print debugging information –url URL Validation service URL, for example, "http://api.yubico.com/wsapi/verify"…
ykchalresp – Perform challenge-response operation with YubiKey Synopsisykchalresp [-1 | -2] [-H] [-Y] [-N] [-x] [-v] [-6] [-8] [-t] [-V] [-h] DescriptionSend a challenge to a YubiKey, and read the response. The YubiKey can be configured with two different C/R modes — the standard one is a 160 bits HMAC-SHA1, and the other is a…
yes – output a string repeatedly until killed Synopsisyes [,STRING/]… yes ,OPTION/ DescriptionRepeatedly output a line with all specified STRING(s), or ‘y’. –help display this help and exit –version output version information and exitAuthorWritten by David MacKenzie. Reporting BugsGNU coreutils online help: <https://www.gnu.org/software/coreutils/> Report any translation bugs to <https://translationproject.org/team/> CopyrightCopyright © 2020 Free Software Foundation,…
yelp — browse system documentation Usageyelp [file] The GNOME Help Browser includes detailed documentation for the majority of applications, utilities and other components, such as the panel or the Nautilus file manager. Yelp can display some HTML and XML files when passed on the command-line, but it’s primarily called from applications. You can also…
ybmtopbm – convert a Bennet Yee "face" file into a portable bitmap Synopsisybmtopbm [facefile] DescriptionReads a file acceptable to the face and xbm programs by Bennet Yee (bsy+ [at] cs.cmu.edu). Writes a portable bitmap as output. See Alsopbmtoybm(1), pbm(5), face(1), face(5), xbm(1) AuthorCopyright (C) 1991 by Jamie Zawinski and Jef Poskanzer.
yaws – yet another webserver Synopsisyaws [OPTIONS] DescriptionYaws is fast lightweight webserver. It can run as daemon or in interactive mode where it is possible to directly interact with the webserver. Yaws is particularly good at generating dynamic content. See the user docs for more information on that topic. DAEMON/SERVER options-i | –interactive Interactive mode….
yasm – The Yasm Modular Assembler Synopsis yasm [-f format] [-o outfile] [other options…] {infile} yasm -hDescriptionThe Yasm Modular Assembler is a portable, retargetable assembler written under the “new” (2 or 3 clause) BSD license. Yasm currently supports the x86 and AMD64 instruction sets, accepts NASM and GAS assembler syntaxes, outputs binary, ELF32, ELF64, COFF, Win32, and…
yarnpkg – Fast, reliable and secure npm alternative Synopsisyarnpkg command [package]@[version] DescriptionFast: Yarnpkg caches every package it downloads so it never needs to again. It also parallelizes operations to maximize resource utilization so install times are faster than ever. Reliable: Using a detailed, but concise, lockfile format, and a deterministic algorithm for installs, Yarnpkg is…
yarac – compile rules to yara Synopsisyarac [OPTION]… [RULE_FILE]… OUTPUT_FILEDescriptionTo invoke YARA you will need two things: a file with the rules you want to use (either in source code or compiled form) and the target to be scanned. The target can be a file, a folder, or a process. Rule files can be passed…