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Installation of Fedora via ISO

I recommend to install Fefora via a netinst based ISO rather than from a full ISO. Indeed, there seems to be a bug while updating the system with the 2nd method.


It is recommended to install the 2 following RPM Fusion repositories:

Free RPM Fusion:

$ su -lc 'dnf install --nogpgcheck' 

Non Free RPM Fusion:

$ su -lc 'dnf install --nogpgcheck' 

Flash & Java


To install Adobe proprietary Flash in Firefox:

$ sudo dnf install
$ sudo dnf install flash-plugin


Java (both 32bit and 64bit can be installed via RPM) or manually.

To install from RPM (downloaded from Java site):

$ sudo dnf install jre-8u101-linux-x64.rpm

It installs Java in /usr/java/jre1.8.0_101/


If you prefer RSSOwl over liferea, first install RSSOwl to /opt/rssowl/. If you have the following error:

RSSOwl was unable to create a browser for reading news.
Please refer to the FAQ for further help.

Do as follows:

$ cd /opt/rssowl/xulrunner/
$ chmod 755 $(file * | grep executable | sed 's/:.*//')
$ ./xulrunner --register-user
./xulrunner-bin: error while loading shared libraries: cannot open shared object file: No such file or directory

Identify where libhunspell related *.so files are located:

$ locate libhunspell

And create a symbolic link:

$ sudo ln -s /usr/lib64/ /usr/lib64/

Now, you should be able to start RSSOwl as follows:

$ cd /opt/rssowl/
$ ./RSSOwl


Refer to this page.


Disable ipv6

  • Remove any reference to IPv6 in /etc/hosts
  • Disable IPv6 in Network Manager (tab IPv6 Settings). Set method to Ignore.
  • Add the following lines to /etc/sysctl.conf:
  • Apply changes:
$ sudo sysctl -p
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.enp0s25.disable_ipv6 = 1
net.ipv6.conf.wlp3s0.disable_ipv6 = 1

Disable SELinux

$ sudo sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/selinux/config


Useful packages

  • gnome-tweak-tool


Set to OFF

Applications Menu Add a category-based menu for applications.
Launch New Instance Always launch a new instance when clicking in the dash or the application view.
Places Status Indicator Add a menu for quickly navigating places in the system.
User Themes Load shell themes from user directory.
Window List Display a window list at the bottom of the screen.

Set to ON

Alternate Tab Substitute Alt-Tab with a window based switcher that does not group by application.
Background Logo Overlay a tasteful logo on the background to enhance the user experience
Command Output Display the output of a shell command at a user-specified interval.
Extension Update Notifier Shows a notification when extension updates are available
Frippery Move Clock Move clock to left of status menu button
Hide Activities Button Hides the Activities button on the panel
No Topleft Hot Corner This extension disables the top left hot corners. You can still click on Activities or press the dedicated key to reach the overview. Since 3.8, should work with other extensions modifying the Activities button. On versions prior to 3.8, may not disable other hotcorners in multiscreen configurations and won't work on fallback/flashback mode.
Refresh Wifi Connections Add a refresh button to the Wifi connection selection dialog to request for a network scan manually
system-monitor Display system informations in gnome shell status bar, such as memory usage, cpu usage, network rates…
TopIcons Plus This extension moves legacy tray icons (bottom left of Gnome Shell) to the top panel. It is a fork from the original extension from ag with settings for icon opacity, saturation, padding, size and tray position, along with a few minor fixes and integration with the Skype integration extension.
Window List Mod Display a window list at the top of the screen. This extension is mod of extension "Window list" that part of Classic Mode.

python-pip errors

While updating python packages with pip, if you have the following error:

g++ error:/usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directory

fix this with:

$ sudo dnf install redhat-rpm-config

Change gnome-boxes default storage path

$ rm -f ~/.local/share/gnome-boxes
$ ln -s /data/virtualmachines/gnome-boxes ~/.local/share/gnome-boxes

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