Pages with tag how-to
アクセシビリティ – Orca で Fedora をインストールする
Fedora をお選びいただきありがとうございます。 まず最初に、DVD やフラッシュドライブのようなリムーバブルディスクにインストーラーを入れる必要があります。 最大限のアクセシビリティのために、https://spins.fedoraproject.org/mate-compiz/download/index.html[Fedora Mate ダウンロードページ] にある Fedora の Mate スピンを選択してください。 ダウンロードしたイメージをフラッシュドライブやDVDにフラッシュするガイド に従い、インストールを開始するためにコンピュータを再起動する準備をします。 Fedora Mate(以下、単に「Fedora」と呼びます)をインストールするには、インストーラーのドライブをコンピュータの起動ドライブに設定した状態でコンピュータを起動する必要があります。 この方法については、コンピュータのマニュアルを参照してください。しかし、通常は、コンピュータの電源が切れた状態で電源ボタンを押し、F2、F8、F10、F12 などのキーを、「ブートマネージャー」が表示されるまで素早く押すことで行います。 このメニューの画面に何が表示されているかをある程度知るためには、目の見える人の補助か、スマートフォンでテキストを連続的に読み取るアプリ(Apple App Store の Seeing AI や、Google Play ストアの Google Lookout など)が必要です。…
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Accessibility – Getting Started After Installation with Orca
Now that the system is installed, you’ll need to log in with your user account password. But, Orca isn’t speaking at this point. To turn it on, press Alt +…
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Accessibility – Why Choose Fedora Linux?
As other, proprietary, computer operating systems (OS) decline in accessibility, or fail to move forward on lofty promises, people with disabilities may begin looking for an alternative, particularly as computers…
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Adding or removing software repositories in Fedora
This section describes how to add, enable, or disable a software repository with the DNF application. Adding repositories This section describes how to add software repositories with the dnf config-manager…
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Adding a user to sudoers
One of the most common operations that administrators want to accomplish when managing sudo permissions is to grant a new user general sudo access. This is helpful if you want…
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Checking Integrity With AIDE
Advanced Intrusion Detection Environment (AIDE) is a utility that creates a database of files on the system, and then uses that database to ensure file integrity and detect system intrusions.…
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Anaconda Logging
Introduction Anaconda tracks all of its activities in logs. This includes: changing installation steps (that roughly correspond to different screens in the graphical installer) storage devices detection and manipulation installation…
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Automatic Updates
You must decide whether to use automatic DNF updates on each of your machines. There are a number of arguments both for and against automatic updates to consider. However, there…
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Using Bugzilla
Fedora uses Red Hat Bugzilla for bug tracking. This page and the other pages under the "Bugs" header on the left offer some tips and guidance. Permissions Any user, including…
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Managing Bugzilla email notifications
Bugzilla allows you to set granular email notification preferences. Email preferences To set your email preferences, go to the Email Preferences tab of your user preferences. You will see a…
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How to file a bug
The purpose of this document is to give step by step instructions on filing bugs in Fedora. For more information about using Bugzilla, see the Bugs section of the Quick…
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Bugzilla – Finding the Correct Component
When filing a bug, it helps if you can identify the component at fault. This is not always obvious, so here are some tips. Which program is it? If you…
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Finding duplicates in Bugzilla
Fedora developers want to hear about specific and reproducible bugs that happen when you use Fedora Linux, but it does not help to have the same bug reported many times.…
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Providing a Stack Trace
A stack trace is one of the most important pieces of information you can provide to help others debug an application crash. This page details the importance of stack traces…
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Bugzilla queries
Bugzilla lets you search for bug reports that match specified conditions. This page covers common options. The Red Hat Bugzilla User Guide has more information. Simple queries The simple Bugzilla…
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Reporting Bugzilla spam
Like any website that allows user contribution, Red Hat Bugzilla sometimes gets spam comments. There are two ways to report spam. Tag comment The preferred way is to tag the…
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Changing Hostname
A new installation of Fedora will assign a default hostname. You may wish to set a different name for easier identification of your host(s) on a network. There are three…
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Configuring IP networking with nmcli
How to configure networking using the nmcli (NetworkManager Command Line Interface) command-line utility. Getting started with nmcli The nmcli (NetworkManager Command Line Interface) command-line utility is used for controlling NetworkManager…
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Configuring X Window System using the xorg.conf file
About xorg.conf Traditionally, the xorg.conf file is used to configure an Xorg display server. In Fedora (where an Xorg display server is configured instead of the default Wayland) the X…
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Configuring Xorg as the default GNOME session
Wayland is the default GNOME display server, and has been the default in Fedora since Fedora 25. However, users may still need to use the older Xorg display server for…
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Contribute to Quick Docs
The goal is to move away from wikis, where helpful guides are mixed with draft documentation, internal notes, to a nice, topic-oriented how-to guides and code-packed tutorials with a pull-request-based…
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GPG Keys Management
This document explains in detail how to obtain a GPG key using common Fedora utilities. It also provides information on managing your key as a Fedora contributor. Creating GPG Keys…
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Creating a Disk Partition in Linux
Creating and deleting partitions in Linux is a regular practice because storage devices (such as hard drives and USB drives) must be structured in some way before they can be…
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Creating and using a live installation image
Downloading Fedora You can download Fedora from https://fedoraproject.org/. There are multiple desktops available for use with Fedora. Each has a slightly different look and feel and offers varying levels of…
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Creating Windows virtual machines using virtIO drivers
Fedora infrastructure hosts virtIO drivers and additional software agents for Windows virtual machines running on kernel-based virtual machines (KVM). virtIO is a virtualization standard for network and disk device drivers.…
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CUPS – How to Debug Printing Issues
If you are experiencing a problem with printing, please take a look at the common bugs page before filing a bug. If the problem you are seeing is not listed…
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CUPS – How to Debug Scanning Issues
SANE library, communication libraries and backends can turn on and off debug logging via SANE_DEBUG_* environment variables. The common environment variables: SANE_DEBUG_DLL - enables debugging SANE library SANE_DEBUG_SANEI_USB - enables…
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CUPS – Filing a Bug Report
Deciding which component Problems involving printing may relate to several components. The configuration GUI (See above) is either GNOME 3 System Settings application or system-config-printer. These packages also provide the…
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CUPS – Known Issues
Here are several known issues, which arise with certain circumstances, and there isn’t general solution or upstream didn’t want to add the solution to its project: cups-browsed Cannot print due…
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CUPS – Printing and Scanning Terminology
Printing Print queue Abstraction unit in CUPS for a printer - it has a device uri, which represents connection to the device, and can exist with classic driver (PPD file…
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CUPS – Useful Tricks
How to install a print queue The fact whether you have to install a printer or not depends on several things: what is the device you want to install -…
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How to debug Dracut problems
Foreword If you are experiencing a problem with system initialization due to Dracut, please see the common bugs document before filing a bug. Some easy configuration tweaks that fix a…
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Disabling the GNOME automatic screen locking
In the interest of safety and privacy, the GNOME automatic screen lock is enabled by default. When the screen locks after a period of inactivity, you must enter your password…
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Displaying a User Prompt on the GNOME Login Screen
To show a user prompt instead of a list of users on the GNOME login screen, open a terminal and perform the following steps: Create a file for the GNOME…
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DNF Package Manager Quick Reference
This sections lists the most useful commands provided by the dnf utility. For a complete list of commands, options, and their syntax, see the dnf(8) man page. dnf help command…
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DNF and its APT command equivalents on Fedora
APT is the package manager/dependency solver for the Debian ecosystem, i.e. it manages .deb packages installed by the DPKG program. Fedora software is based on .rpm packages, and thus uses…
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Using the DNF software package manager
DNF is a software package manager that installs, updates, and removes packages on Fedora and is the successor to YUM (Yellow-Dog Updater Modified). DNF makes it easy to maintain packages…
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How to enable touchpad click
Scope Fedora tries to make various desktop environments available to its users. Since Fedora tries to stay as close to upstream as possible, we follow the various defaults selected by…
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Fedora Repositories
This page explains the various Fedora repositories that exist for different Fedora Releases, the relationship between them, and what packages they contain. The fedora repository The fedora repository exists for…
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Control of System Accessibility by firewalld
A firewall is a way to protect machines from any unwanted access from outside. In Fedora, it is installed by default during the installation of the operating system, enabled and…
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Adding New Fonts in Fedora
Fedora pre-installs several basic fonts by default. This page explains how to add new fonts to a Fedora installation. Packaged fonts Did you know Fedora packages several freely-licensed fonts? There…
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Getting started with Apache HTTP Server
The Apache HTTP Server is one of the most commonly-used web servers. This section acts as a quick-start guide to deploying and configuring Apache on Fedora. Installing HTTPD This procedure…
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Setting a key shortcut to run an application in GNOME
If you frequently use a certain application, you can set a keyboard shortcut to quickly launch that application on GNOME. This example shows how to set a key shortcut to…
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GNOME Shell extensions
From the website: "GNOME Shell extensions are small pieces of code written by third party developers that modify the way GNOME works. (If you are familiar with Chrome Extensions or…
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The GRUB2 Bootloader – Installation and Configuration
GRUB2 is the latest version of GNU GRUB, the GRand Unified Bootloader. A bootloader is the first software program that runs when a computer starts. It is responsible for loading…
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Installing and Running VLC
Installing VLC Install VLC: Running VLC To run the VLC media player using GUI: Open the launcher by pressing the Super key. Type vlc. Press Enter. To run VLC from…
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Installing Chromium or Google Chrome browsers
Chromium and Google Chrome web browsers Fedora Workstation, in its out of the box configuration, only includes free and open source software. Mozilla Firefox is the browser included in Fedora…
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Installing software from source on Fedora
Most of the software you will install on your Fedora system will either come from a desktop application manager tool such as the GNOME Software tool or from a command…
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Installing Java
Java は、 多くのプラットフォームでプログラムを実行できる人気あるプログラミング言語です。Fedora でも実行できます。もし Java プログラムを作成する場合には、 JDK (Java Development Kit) をインストールする必要があります。 Java プログラムを実行する場合は、 JRE (Java Runtime Environment) で提供される JVM (Java Virtual Machine) で実行できます。 分からない場合、 JDK をインストールしてください。なぜなら、Java プログラムを作成する意図の無い場合でも必要になることも時々あるからです。 Many flavors of…
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Installing MySQL/MariaDB
MySQL is a popular RDBMS (Relational Database Management System). MariaDB was born as a fork of MySQL. Nowadays the two products are a little bit different. Migrating data from one…
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Installing plugins for playing movies and music
As a Fedora user and system administrator, you can use these steps to install additional multimedia plugins that enable you to play various video and audio types. Procedure Use the…
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Installing Skype on Fedora
Skype is a cross-platform proprietary chat (text and video) application. It also provides voice calls and desktop sharing. It uses a proprietary Internet telephony (VoIP) network called the Skype protocol.…
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Installing Spotify on Fedora
Spotify is a cross-platform proprietary music streaming service. Spotify is a freemium service, with advertisements which can be removed by purchasing a subscription. Although Spotify is not officially supported on…
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Installing virtual operating systems with GNOME Boxes
GNOME Boxes is an application in GNOME Desktop Environment, which enables you to virtually access various operating systems. Installing a virtual operating system from the list of predefined systems To…
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Jitsi Meet Self-Hosting Guide
Jitsi video conferencing stack enables users to create virtual meetings, conferences, and collaboration sessions among other notable use-cases. Jitsi video conferencing stack provides: Jitsi Meet (jitsi-meet): a web-based client application…
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Joining an Active Directory or FreeIPA domain
Fedora can join Active Directory and FreeIPA domains using the realm command. If you want your Fedora machine to be part of an Active directory or FreeIPA domain just follow…
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Booting
Setting an installed kernel to boot by default To set a specific installed kernel to boot by default, first check the kernels installed on the system. Identify the kernel to…
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Building a Custom Kernel
This document provides instructions for advanced users who want to rebuild the kernel from some source. Some common reasons to build a custom kernel are: To apply patches for testing…
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Installing Kernel from Koji
A quick guide on installing a kernel from the Koji repository. Koji is the build system Fedora developers use to build software for inclusion into Fedora. If there is a…
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Kernel Test Days
A quick guide for Kernel Test Days. During Kernel Test Days, contributors are asked to run a Kernel Regression Test which will help to detect and troubleshoot any issue with…
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Testing Patches
A quick guide for testing if a patch resolves your issue. Occassionally, when attempting to resolve a kernel issue (particularly one that’s specific to your hardware) you may be asked…
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Troubleshooting
The kernel, like any software, has bugs. It’s a large, complex project and can be difficult to troubleshoot problems. This document covers some basic troubleshooting techniques to help narrow down…
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How to Manage Various Database Server from GUI
For database management, it is more user-friendly to use graphical tools: MySQL/MariaDB: phpMyAdmin.noarch : A web interface for MySQL and MariaDB MySQL Specific: MySQL Workbench is a unified visual tool…
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Managing keyboard shortcuts for running an application in GNOME
Adding keyboard shortcuts for custom applications in GNOME This section describes how to add a keyboard shortcut for starting a custom application in GNOME. Procedure Open Settings and choose the…
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Machine Owner Key Enrollment
This page documents how to enroll a machine owner key that is created during the Nvidia driver installation (typically in GNOME Software). Prerequisite The Nvidia driver has been installed and…
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Network Manager Quick Reference
NetworkManager status Overall status of NetworkManager Display active connections Display all configured connections Connect/disconnect to an already configured connection Connect to a configured connection by name Disconnection by name Wi-Fi…
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OpenH264
This page contains information on the Cisco OpenH264 codec. Background Cisco provides an OpenH264 codec (as a source and a binary), which is their of implementation H.264 codec, and they…
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Package management system
Package Management System Introduction Fedora はパッケージ管理システムを用いているディストリビューションです。このシステムがベースにしているのは rpm , the RPM Package Manager, および幾つかのそれらのトップにビルドされた高レベルなツールです。よく知られているのは PackageKit (default gui) および DNF です。 GNOME Software という別の GUI パッケージ・マネジャーもあります。 Advantages of package management systems パッケージ管理システムには多くの利点があります:…
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PackageKit Items Not Found
Missing Package Unfortunately, the package you were searching for is not available in Fedora. There are a few common reasons why a package might not be in Fedora’s repositories: Fedora…
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Performing administration tasks using sudo
How to perform tasks requiring root privileges without logging in as root. What is sudo? The sudo command allows users to gain administrative or root access. When trusted users precede…
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PostgreSQL
インストール postgresql サーバーのインストールと初期化は、他のパッケージや、他の Linux ディストロと比べて少し異なります。 このドキュメントは、最近の Fedora Linux リリースに関連する基本的なインストール手順を要約することを目的としています。 The postgresql server is not running and disabled by default. To set it to start at boot, run: The database needs…
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How to use QEMU
QEMU is a very flexible virtualization technology however it is quite slow and it is recommended that you understand and evaluate alternative solutions before picking this one. Refer to Getting…
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Fedora on Raspberry Pi
The Raspberry Pi is a credit card-sized ARM based single board computer (SBC). This documentation describes how to get started The Raspberry Pi 4 is officially supported from Fedora release…
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Root Account Locked
Phenomenon Cannot open access to console, the root account is locked in emergency mode (dracut emergency shell) Reason This is a known problem. It happens Fedora releases 28 and newer,…
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Enabling the RPM Fusion repositories
Third party repositories There are a number of third-party software repositories for Fedora. They have more liberal licensing policies and provide software packages that Fedora excludes for various reasons. These…
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Screen Recorder – Comparison of Applications and How to Use Them
Using Gnome’s native screencast tool Gnome3 has already a screen recording functionality. Pressing Alt+Ctrl+Shift+R recording will start. There should be a red icon on the message tray in the right-bottom…
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Securing the system by keeping it up-to-date
This section explains: Why it is important to update your system regularly How to apply updates manually by using the GUI or CLI How to enable automatic updates Why it…
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Changing SELinux States and Modes
Permanent changes in SELinux states and modes As discussed in Getting started with SELinux SELinux can be enabled or disabled. When enabled, SELinux has two modes: enforcing and permissive. Use…
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Getting started with SELinux
Introduction to SELinux Security Enhanced Linux (SELinux) provides an additional layer of system security. SELinux fundamentally answers the question: May <subject> do <action> to <object>?, for example: May a web…
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Troubleshooting Problems Related to SELinux
If you plan to enable SELinux on systems where it has been previously disabled or if you run a service in a non-standard configuration, you might need to troubleshoot situations…
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How to Set Nvidia as Primary GPU on Optimus-based Laptops
Introduction The goal is to have an active NVIDIA GPU on an Optimus-based laptop and use it for all activities on Desktops Environments with Xorg-X11. Avoid using this guide if…
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Understanding and administering systemd
Learn the basic principles of the systemd init system: how to configure it and use it to administer the system. Understanding systemd Systemd is a system and service manager for…
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Troubleshooting Bluetooth problems
Bluetooth is a short range wireless protocol that is used to connect to various low bandwidth I/O devices (like keyboards, mice, headsets). Newer versions have a low-energy mode with a…
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Troubleshooting Java Programs
Java provides a range of information to resolve problems with application programs or the runtime environment, in particular stack traces. These should be attached to a bug report. This page…
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Troubleshooting Mozilla Products
This article helps affected users in reporting of Firefox and Thunderbird bugs and ease package maintainers fixing them. Using Mozilla crash reporter Application crash can occur during runtime. Application window…
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Troubleshooting Wayland Problems
Wayland is intended as a simpler replacement for X11. Wayland changes the design of a Linux desktop architecture considerably. Unlike X11, there is no dedicated standalone server in Wayland. What…
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Upgrading Fedora Linux to a New Release
This article mainly describes the update procedures for the Fedora Desktop variants. Some of the descriptions also apply to the server versions. However, the latter may provide their own documentation…
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Upgrading Fedora Linux Using DNF System Plugin
dnf system-upgrade command (embedded into DNF5 and a dnf-plugin-system-upgrade plugin for the DNF4 package manager ) is used to upgrade your system to the current release of Fedora Linux. For…
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Upgrading Fedora Linux Online Using Package Manager
This page contains information explaining how to upgrade Fedora Linux online using dnf (without the DNF system upgrade plugin). Upgrading Fedora Linux using dnf directly Participate If you are upgrading…
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Kubernetes Basics
Kubernetes Defined Kubernetes is an "open-source system for automating deployment, scaling, and management of containerized applications" on one or more machines. Kubernetes automates many of the tasks necessary to deploy,…
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Versioned CRI-O and CRI-Tools RPMs
Overview CRI-O and CRI-Tools are independent software packages available in Fedora repositories that are version matched to Kubernetes. If Kubernetes 1.30 is installed, then, when installed, CRI-O and CRI-Tools should…
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Creating a Kubernetes cluster on Fedora
Creating a Kubernetes cluster with kubeadm using Fedora rpms Below is a guide to creating a functional Kubernetes cluster on a single Fedora machine that is suitable as a learning…
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Resilient kubelet configuration
kubelet overview The kubelet is the Kubernetes agent that runs on every node in a cluster. kubelet is installed using the kubernetes rpm (e.g. kubernetes1.30 is a versioned rpm for…
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Non-versioned Kubernetes RPMS on Fedora
Overview Non-versioned Kubernetes RPMS are the standard rpm format for Kubernetes through Fedora 40. Fedora 41 (currently rawhide) contains both versioned and non-versioned rpms. Non-versioned Kubernetes rpms in Fedora The…
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Versioned Kubernetes RPMS on Fedora
Overview Versioned Kubernetes rpms were introduced in Fedora 41 and will be the format used in subsequent releases. Past practice had one version of Kubernetes available for each Fedora release.…
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Using Kubernetes on Fedora
Overview This guide provides useful information about Kubernetes and the Kubernetes rpms available from Fedora. Starting with Fedora 41 (currently rawhide) the packaging standard for Kubernetes changed from one version…
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How to enable nested virtualization in KVM
Nested virtualization allows you to run a virtual machine (VM) inside another VM while still using hardware acceleration from the host. Checking if nested virtualization is supported For Intel processors,…
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Using Shared System Certificates
The Shared System Certificates storage enables NSS, GnuTLS, OpenSSL, and Java to share a default source for retrieving system certificate anchors and black list information. By default, the trust store…
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Using YubiKeys with Fedora
What is a YubiKey? A YubiKey is a small USB and NFC based device, a so called hardware security token, with modules for many security related use-cases. It generates one…
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Viewing logs in Fedora
Log files contain messages about the system, including the kernel, services, and applications running on it. These contain information that helps troubleshoot issues, or simply monitor system functions. Fedora uses…
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Virtualization – an Overview
This page covers the efforts to integrate various virtualization technologies into Fedora. Introduction Virtualization allows one to run many guest virtual machines on top of a host operating system such…
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Virtualization – Getting Started
Fedora uses the libvirt family of tools as its virtualization solution. ハードウェア仮想化サポートの有効化 このセクションでは、システム上での libvirt のセットアップについて説明します。libvirt をセットアップすると、仮想化ゲスト OS (仮想マシンとも呼ばれます) を作成できるようになります。 システム要件 Fedora で仮想化を実行するには、以下が必要です: ゲストごとに少なくとも 600 MB のハードディスクストレージ。最小限のコマンドライン Fedora システムには 600 MB…
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仮想化 - 問題のデバッグ方法
効率的なバグ報告 バグを効率的に報告することは、Fedora ユーザーや開発者にとって重要なスキルです。 バグの可能性のある原因を絞り込み、バグレポートに適切な情報を提供することで、バグを迅速に解決することができます。有用な情報をほとんど持たずにバグレポートを提出すると、あなたのバグが未解決のまま放置されることになりかねません。 バグ報告に関する一般的な情報は バグ報告の提出方法 を参照してください。このページは仮想化バグに特化した情報を含んでいます。 バージョン情報 Once you’ve ensured you have the latest updates installed , gather details of the version numbers of those packages e.g. To find…
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VMware – what is it and how use it?
VMware provides cloud computing and virtualization software and services, their most important products are: VMware Workstation Player, is a virtualization software package and can run existing virtual appliances and create…
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Wine – Running Windows applications in the Fedora GUI
Wine is an open source implementation of the Windows API on top of X and OpenGL. Wine emulates the Windows runtime environment by translating Windows system calls into POSIX-compliant system…
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Installing Zoom on Fedora
Description Zoom Video Communications. Inc. is an American communications technology company headquartered in San Jose, California. It provides videotelephony and online chat services through a cloud-based peer-to-peer software platform and…
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