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Tips and Tricks
Hiding the default browser (Firefox)
If you're using another browser than the one installed by default (Firefox) then you can hide the default one from the interface via the following commands:
``` $ sudo mkdir -p /usr/local/share/applications/
# For Fedora 39 and earlier: $ sudo cp /usr/share/applications/firefox.desktop /usr/local/share/applications/ $ sudo sed -i "2a\\NotShowIn=GNOME;KDE" /usr/local/share/applications/firefox.desktop
# Fedora 40 and later: $ sudo cp /usr/share/applications/org.mozilla.firefox.desktop /usr/local/share/applications/ $ sudo sed -i "2a\\NotShowIn=GNOME;KDE" /usr/local/share/applications/org.mozilla.firefox.desktop
$ sudo update-desktop-database /usr/local/share/applications/ ```
Enabling RPM Fusion repos
This section discusses third-party software sources not officially affiliated with or endorsed by the Fedora Project. Use them at your own discretion. Fedora recommends the use of free and open source software and avoidance of software encumbered by patents.
Users may want to take advantage of the non-free software that is made available via the https://rpmfusion.org/[RPM Fusion] repos in order to use the proprietary NVIDIA drivers, multimedia codecs, or other software not distributed as part of Fedora.
The first time you install the RPM Fusion repos, you need to install the versioned RPMs:
$ sudo rpm-ostree install \
https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
$ reboot
Once you have rebooted into the new deployment, you can run the following command to remove the “lock” on the versioned packages that were installed previously. This will enable the RPM Fusion repos to be automatically updated and versioned correctly across major Fedora version rebases:
$ sudo rpm-ostree update \
--uninstall rpmfusion-free-release \
--uninstall rpmfusion-nonfree-release \
--install rpmfusion-free-release \
--install rpmfusion-nonfree-release
$ reboot
For more information, see https://discussion.fedoraproject.org/t/simplifying-updates-for-rpm-fusion-packages-and-other-packages-shipping-their-own-rpm-repos/30364[this thread] on the Fedora Discourse site.
Working with Toolbx
Finding out if you are currently in a Toolbx container
If you frequently make use of Toolbx to perform various tasks and use multiple Toolbx containers it can be hard to keep track of whether you are currently executing commands on the host or in a Toolbx container. Furthermore, there is currently no command to tell you in which Toolbx container you are working.
To alleviate this, you can add the following shell alias at the end of your `~/.bashrc`:
alias istoolbx='[ -f "/run/.toolboxenv" ] && grep -oP "(?<=name=\")[^\";]+" /run/.containerenv'
When you open a new shell, you now have access to the new command `istoolbx`. This will behave as follows:
When run from the host, returns an exit code of 1
When run from a Toolbx container, returns an exit code of 0 and prints the current Toolbx containers name to the console
If a more automated solution is your preference the following added to your `~/.bashrc` will change your bash prompt to include "[toolbox <name>]":
```
function is_toolbox() {
if [ -f "/run/.toolboxenv" ]
then
TOOLBOX_NAME=$(cat /run/.containerenv | grep -oP "(?<=name=\")[^\";]+")
echo "[${HOSTNAME} ${TOOLBOX_NAME}]"
fi
}
```
Now you can include `is_toolbox` in your `PS1` variable and not need to execute any extra commands in order to know whether or not your are in a toolbox or host shell.
Example: ``` export PS1="\[\e[31m\]\`is_toolbox\`\]\e[m\]\[\e[32m\]\\$ \[\e[m\]\[\e[37m\]❱\[\e[m\] " ```

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String updated in the repository

  1. fedora-docs-l10n/fedora-silverblue
  2. master/pages/tips-and-tricks
  3. English
$ sudo rpm-ostree install \
https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
$ reboot
$ sudo rpm-ostree install \
https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
$ reboot
a year ago
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Source string description
type: Plain text
Flags
no-wrap, read-only
Source string location
./pages/tips-and-tricks.adoc:38
String age
a year ago
Last updated
yesterday
Source string age
a year ago
Translation file
pot/master/pages/tips-and-tricks.pot, string 12