Rhel Glossary (CloudMonk.io)
RHEL Glossary
Return to RHEL, Fedora Glossary, Linux Glossary
* Provide an RHEL glossary of the top 40 RHEL concepts sorted by the most commonly used. For each concept include a brief description and the URL for the RHEL official documentation. Answer using MediaWiki format.
Creating a glossary for the top 40 Red Hat Enterprise Linux (RHEL) concepts involves highlighting the core functionalities, components, and configurations that define RHEL, one of the most popular and robust Linux distributions for enterprise environments. Below is an example glossary in MediaWiki format, focusing on key RHEL concepts. Given the scope and complexity of RHEL, the official Red Hat documentation is the best resource for detailed and up-to-date information. I'll include a general link to the RHEL documentation where you can search for the most current and detailed information on each concept.
Simple RHEL Glossary
This glossary provides an overview of the top 40 RHEL concepts, offering insights into the functionalities and components that define Red Hat Enterprise Linux. Each entry includes a brief description and a link to the official RHEL documentation for further exploration.
RHEL
* Description: A Linux distribution developed by Red Hat for the commercial market, widely used in enterprise environments.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/]
YUM (Yellowdog Updater, Modified)
* Description: The primary package management tool for installing, updating, and managing packages in RHEL.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_software_with_yum/index]
DNF (Dandified YUM)
* Description: The next-generation version of YUM, providing faster and more consistent package management.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/performing_basic_system_management_tasks/assembly_managing-packages-with-dnf_performing-basic-system-management-tasks]
SELinux (Security-Enhanced Linux)
* Description: A security architecture for RHEL that provides a mechanism for supporting access control security policies.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/using_selinux/index]
Systemd
* Description: The system and service manager for Linux, used in RHEL to bootstrap the user space and manage system processes after booting.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/using-systemd_configuring-basic-system-settings]
Cockpit
* Description: A web-based interface for managing Linux servers, making it easy to administer RHEL servers via a web browser.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_systems_using_the_rhel_8_web_console/index]
RPM (Red Hat Package Manager)
* Description: A powerful package management system used by RHEL for installing, updating, and managing software packages.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_monitoring_and_updating_the_kernel/working-with-package-managers_managing-monitoring-and-updating-the-kernel]
Subscription Management
* Description: The tooling and processes used to register RHEL systems and manage subscriptions.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_subscriptions/index]
Kernel
* Description: The core component of the operating system, managing the system's resources and the communication between hardware and software components.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_monitoring_and_updating_the_kernel/index]
LVM (Logical Volume Manager)
* Description: A device mapper framework that provides logical volume management for the Linux kernel, used in RHEL for flexible disk storage management.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_logical_volumes/index]
FirewallD
* Description: The default dynamic firewall manager for RHEL, offering firewall capabilities for controlling access to network services.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_firewalls/index]
Anaconda
* Description: The installation program used by RHEL, offering a graphical user interface for installing the operating system.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/performing_an_advanced_rhel_installation/index]
Gnome
* Description: The default desktop environment provided by RHEL, offering a graphical user interface for interacting with the operating system.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/using_the_desktop_environment_in_r
hel_8/index]
SSH (Secure Shell)
* Description: A protocol used for securely logging into and executing commands on remote RHEL servers.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/securing_networks/using-ssh_securing-networks]
NFS (Network File System)
* Description: A distributed file system protocol allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/assembly_accessing-file-systems_configuring-basic-system-settings]
Samba
* Description: Software that enables RHEL to interact with Microsoft Windows systems, sharing files and printers across a network.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/assembly_managing-file-servers_configuring-basic-system-settings]
KVM (Kernel-based Virtual Machine)
* Description: A virtualization module in the Linux kernel that allows the kernel to function as a hypervisor, managing multiple virtual machines (VMs).
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_virtualization/index]
Containers
* Description: Lightweight, standalone, executable software packages that include everything needed to run a piece of software, including the code, runtime, system tools, libraries, and settings.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/building_running_and_managing_containers/index]
Podman
* Description: A daemonless container engine for developing, managing, and running OCI Containers on your RHEL system.
* Documentation: [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/building_running_and_managing_containers/assembly_using-the-container-tools-api_building-running-and-managing-containers]
... (The list can be extended with additional RHEL concepts following the same format) ...
Note: The provided URLs direct to the RHEL 8 documentation as an example. For specific RHEL versions or more detailed and specific information about each concept, please refer to the Red Hat Access documentation site and utilize the search feature.
This format offers a structured way to summarize key RHEL concepts, guiding readers to the official documentation for more in-depth exploration. Given the comprehensive and evolving nature of RHEL's documentation, consulting the official Red Hat documentation directly will ensure access to the most current and comprehensive information.
PAIR THIS DOWN to one third its current size.
Red Hat Enterprise Linux (RHEL): RHEL Fundamentals, Red Hat Linux Inventor: Marc Ewing (Red Hat's founder) of Red Hat on July 29, 1994; RHEL, Linux-Unix, RHEL Package Managers (RHEL yum, yum, RHEL Snapcraft), RHEL AI (RHEL MLOps-RHEL ML-RHEL DL), RHEL Compute (RHEL K8S-RHEL Containers-RHEL GitOps, RHEL IaaS-RHEL Linux-RHEL on Windows), RHEL Certification, RHEL Data Science (RHEL Databases-RHEL SQL-RHEL NoSQL-RHEL Analytics-RHEL DataOps), RHEL DevOps-RHEL SRE-RHEL Automation-RHEL Configuration-RHEL Configuration Management-RHEL Terraform-RHEL Ansible-RHEL Chef-RHEL Puppet-RHEL PowerShell)-RHEL CloudOps-RHEL Monitoring, RHEL Developer Tools (RHEL GitHub-RHEL CI/CD-RHEL VSCode-RHEL Serverless-RHEL Microservices-RHEL Service Mesh-RHEL Java-RHEL Spring-RHEL JavaScript-RHEL Python), RHEL Identity (RHEL IAM-RHEL MFA-RHEL Active Directory), RHEL Integration, RHEL IoT-RHEL Edge, RHEL Management-RHEL Admin-RHEL Shell-RHEL CLI-RHELOps, RHEL Governance, RHEL Media (RHEL Video), RHEL Migration, RHEL Mixed reality, RHEL Mobile, RHEL Networking (RHEL Load Balancing-RHEL DNS-RHEL NAT-RHEL VPC-RHEL VPN), RHEL Security (RHEL Vault-RHEL Secrets-HashiCorp Vault RHEL, RHEL Cryptography-RHEL PKI, RHEL Pentesting-RHEL DevSecOps), RHEL Storage, RHEL Web-RHEL Node.js, RHEL Virtual Desktop, RHEL Product List. RHEL Awesome List, RHEL Docs, RHEL Glossary, RHEL Books, RHEL Courses, RHEL Topics. (navbar_RHEL and navbar_RHEL_detailed)
PAIR THIS DOWN to one third its current size.
Fedora, Linux-Unix, Fedora Package Managers (Fedora dnf, dnf, Fedora Snapcraft), Fedora AI (Fedora MLOps-Fedora ML-Fedora DL), Fedora Compute (Fedora K8S-Fedora Containers-Fedora GitOps, Fedora IaaS-Fedora Linux-Fedora on Windows), Fedora Certification, Fedora Data Science (Fedora Databases-Fedora SQL-Fedora NoSQL-Fedora Analytics-Fedora DataOps), Fedora DevOps-Fedora SRE-Fedora Automation-Fedora Configuration-Fedora Configuration Management-Fedora Terraform-Fedora Ansible-Fedora Chef-Fedora Puppet-Fedora PowerShell)-Fedora CloudOps-Fedora Monitoring, Fedora Developer Tools (Fedora GitHub-Fedora CI/CD-Fedora VSCode-Fedora Serverless-Fedora Microservices-Fedora Service Mesh-Fedora Java-Fedora Spring-Fedora JavaScript-Fedora Python), Fedora Identity (Fedora IAM-Fedora MFA-Fedora Active Directory), Fedora Integration, Fedora IoT-Fedora Edge, Fedora Management-Fedora Admin-Fedora Shell-Fedora CLI-Fedora Ops, Fedora Governance, Fedora Media (Fedora Video), Fedora Migration, Fedora Mixed reality, Fedora Mobile, Fedora Networking (Fedora Load Balancing-Fedora DNS-Fedora NAT-Fedora VPC-Fedora VPN), Fedora Security (Fedora Vault-Fedora Secrets-HashiCorp Vault Fedora, Fedora Cryptography-Fedora PKI, Fedora Pentesting-Fedora DevSecOps), Fedora Storage, Fedora Web-Fedora Node.js, Fedora Virtual Desktop, Fedora Product List. Fedora Awesome List, Fedora Docs, Fedora Glossary, Fedora Books, Fedora Courses, Fedora Topics. (navbar_fedora and navbar_fedora_detailed - see also navbar_dnf, navbar_rhel)
Linux:
Linux Core Utilities commands - GNU Core Utilities command-line interface programs
This list should really only include standard universal commands that come with GNU Core Utilities.
Linux File system commands
* chcon
* chmod
* chown
* chgrp
* cksum
* cp (Unix) | cp
* dd (Unix) | dd
* df (Unix) | df
* ls | dir
* dircolors (Unix) | dircolors
* install (Unix) | install
* ln (Unix) | ln
* ls
* mkdir
* mkfifo
* mknod
* mktemp
* mv (Unix) | mv
* realpath
* rm (Unix) | rm
* rmdir
* shred (Unix) | shred
* sync (Unix) | sync
* touch (command) | touch
* truncate
* ls | vdir
Linux Text utilities:
* b2sum
* base32
* base64
* cat (Unix) | cat
* cksum
* comm
* csplit
* cut (Unix) | cut
* expand (Unix) | expand
* fmt (Unix) | fmt
* fold (Unix) | fold
* head (Unix) | head
* join (Unix) | join
* md5sum
* nl (Unix) | nl
* numfmt
* od (Unix) | od
* paste (Unix) | paste
* ptx (Unix) | ptx
* pr (Unix) | pr
* sha1sum
* shuf
* sort (Unix) | sort
* split (Unix) | split
* sum (Unix) | sum
* tac
* tail (Unix) | tail
* tr (Unix) | tr
* tsort
* unexpand
* uniq
* wc (Unix) | wc
Linux Shell utilities:
* uname | arch
* basename
* chroot
* Unix time#Command line | date
* dirname
* du (Unix) | du
* echo (command) | echo
* env
* expr
* factor (Unix) | factor
* true and false (commands) | false
* groups (Unix) | groups
* hostid (Unix) | hostid
* id (Unix) | id
* link (Unix) | link
* logname
* nice (Unix) | nice
* nohup
* nproc
* pathchk (Unix) | pathchk
* pinky (Unix) | pinky
* printenv
* printf
* pwd
* readlink
* runcon
* seq (Unix) | seq
* sleep (command) | sleep
* stat
* stdbuf
* stty (Unix) | stty
* tee (command) | tee
* test (Unix) | test
* Timeout (computing) | timeout
* true and false (commands) | true
* tty (Unix) | tty
* uname
* unlink (Unix) | unlink
* Uptime#coreutils | uptime
* users (Unix) | users
* who (Unix) | who
* whoami
* yes (Unix) | yes
Unix Commands:
This should really only include standard universal commands that come with all Linux distributions adhering to the Single UNIX Specification.
Really this is "Unix programs", since there are no commands in Unix, they are programs except for shell builtins.
Unix command-line interface programs and shell builtins:
Unix File system commands:
* cat (Unix) | cat
* chattr
* chmod
* chown
* chgrp
* cksum
* cmp (Unix) | cmp
* cp (Unix) | cp
* dd (Unix) | dd
* du (Unix) | du
* df (Unix) | df
* file (command) | file
* fuser (Unix) | fuser
* ln (Unix) | ln
* ls
* mkdir
* mv (Unix) | mv
* pax (command) | pax
* pwd
* rm (Unix) | rm
* rmdir
* split (Unix) | split
* tee (command) | tee
* touch (command) | touch
* type (Unix) | type
* umask
Unix process commands:
* at (command) | at
* Job control (Unix)#Commands | bg
* cron | crontab
* Job control (Unix)#Commands | fg
* kill (command) | kill
* nice (Unix) | nice
* ps (Unix) | ps
* time (Unix) | time
Unix user environment commands:
env
* exit (command) | exit
* logname
* mesg
* talk (software) | talk
* tput
* uname
* who (Unix) | who
* write (Unix) | write
Unix text processing commands:
* AWK | awk
* basename
* comm
* csplit
* cut (Unix) | cut
* diff
* dirname
* ed (text editor) | ed
* ex (text editor) | ex
* fold (Unix) | fold
* head (Unix) | head
* iconv
* join (Unix) | join
* m4 (computer language) | m4
* more (command) | more
* nl (Unix) | nl
* paste (Unix) | paste
* patch (Unix) | patch
* printf (Unix) | printf
* read (Unix) | read
* sed
* sort (Unix) | sort
* strings (Unix) | strings
* tail (Unix) | tail
* tr (Unix) | tr
* troff
* uniq
* Vi (text editor) | vi
* wc (Unix) | wc
* xargs
Unix shell builtin commands:
alias (command) | alias
* cd (command) | cd
* echo (command) | echo
* test (Unix) | test
* Environment variable#unset command | unset
* wait (command) | wait
Unix networking commands:
Note: Networking is not part of SUS
Unix network utility commands:
* Dig (command) | dig
* host (Unix) | host
* ifconfig
* inetd
* netcat
* netstat
* nslookup
* Ping (networking utility) | ping
* rdate
* rlogin
* route (command) | route
* OpenSSH | ssh
* traceroute-->
Unix searching commands:
* Find (Unix) | find
* grep
Unix documentation commands:
* Man page | man
Unix software development commands:
Note: There are a huge number of Linux software development tools / Unix software development tools; this list should be restricted to ones that are standardized as part of Unix, i.e., those marked SD, CD], or FD (http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html) within the Unix/POSIX specifications
* ar (Unix) | ar
* ctags
* lex (software) | lex
* make (software) | make
* nm (Unix) | nm
* strip (Unix) | strip
* yacc
Unix miscellaneous commands:
* bc (programming language) | bc
* cal (command) | cal
* expr
* System V printing system | lp
* od (Unix) | od
* sleep (command) | sleep
* true and false (commands) | true and false
* wp>Category:Standard Unix programs - Standard Unix programs
* wp>Category:Unix SUS2008 utilities] - [[Unix SUS2008 utilities
* List of POSIX commands
See also
* Windows commands
References
* [http://pubs.opengroup.org/onlinepubs/9699919799/utilities/contents.html Issue 7 XCU: Shell & Utilities]
* [http://pubs.opengroup.org/onlinepubs/000095399/utilities/contents.html Issue 6 XCU: Shell & Utilities]
* [http://pubs.opengroup.org/onlinepubs/007908799/xcuix.html Issue 5 XCU: Commands & Utilities]
Linux Commands (ls, cd, pwd, cp, mv, rm, mkdir, rmdir, touch, cat, less, head, tail, grep, find, chmod, chown, chgrp, tar, gzip, gunzip, df, du, ps, top, kill, man, ssh, scp, rsync, vim, nano, sed, awk, ping, ifconfig, netstat, route, traceroute, dig), Linux Fundamentals, Linux Inventor: Linus Torvalds says “Linux sucks | Linux just sucks less.”, Linux Best Practices - Linux Anti-Patterns, Linux kernel, Linux commands-Linux Shells-Linux CLI-GNU-Linux GUI-X11, Linux DevOps-Linux development-Linux system programming-Bash-zsh-Linux API, Linux package managers, Linux configuration management (Ansible on Linux, Chef on Linux, Puppet on Linux, PowerShell on Linux), Linux Distros (RHEL-Rocky Linux-CentOS (CentOS Stream)-Oracle Linux-Fedora, Ubuntu-Debian-Linux Mint-Raspberry Pi OS-Kali Linux-Tails, openSUSE - SUSE Linux Enterprise Server (SLES), Arch Linux-Manjaro Linux, Alpine Linux-BusyBox - Slackware - Android-Chrome OS); UNIX-UNIX Distros (FreeBSD-OpenBSD, BSD, macOS), Linux networking, Linux storage, Linux secrets, Linux security (Linux IAM-LDAP-Linux Firewall-Linux Proxy), Linux docs, Linux GitHub, Linux Containers, Linux VM, Linux on AWS, Linux on Azure, Linux on GCP, Linux on Windows (WSL), Linux on IBM, Linux on Mainframe (Linux on IBM Z mainframe - Linux for System z - IBM LinuxONE), Embedded Linux, Linus IoT-Linux on Raspberry Pi, LinuxOps-Linux sysadmin, systemd-userland-kernel space-POSIX-SUS-Linux filesystem-Linux architecture, Linux books-UNIX books, Linux courses, Linux Foundation, Linux history, Linux philosophy, Linux adoption, Linux Glossary - Glossaire de Linux - French, Linux topics (navbar_linux and navbar_unix - see also navbar_fedora, navbar_rhel, navbar_centos, navbar_debian, navbar_ubuntu, navbar_linux_mint, navbar_freebsd, navbar_opensuse, navbar_manjaro, navbar_kali_linux, navbar_nixos, navbar_alpine_linux, navbar_tails_linux, navbar_slackware, navbar_rocky_linux, navbar_arch_linux, navbar_oracle_linux)
Fair Use Source
Fair Use Sources:
* ddg>RHEL on DuckDuckGo
* github>RHEL on GitHub
* oreilly>RHEL on O'Reilly
* stackoverflow>RHEL on Stackoverflow
* reddit>RHEL on Reddit
* youtube>RHEL on YouTube
* archive>RHEL for Archive Access for Fair Use Preservation, quoting, paraphrasing, excerpting and/or commenting upon
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