_partials/cn/ubuntu_settings.md
On our pedagogical platform (Kitt, you'll soon discover it!), we have some videos. By default Firefox on Linux cannot play them as they use an unsupported codec (H264). To get those videos working for you, you need to run this:
sudo apt install libavcodec-extra -y
tree is a nice tool to visualize a directory tree inside the terminal:
ncdu is a text-based interface disk utility.
htop is an interactive process viewer.
tig is a text-mode interface for git.
sudo apt install tree ncdu htop tig
Ubuntu is always tracking changes in your folders and to do this it uses inotify. By default the Ubuntu limit is set to 8192 files monitored.
As programming involves a lot of files, we need to raise this limit. In your terminal run:
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
You are going to use most of the apps you've installed today really often. So let's pin them to your dock so that they are just one click away!
To pin an app to your dock, launch the app, right-click on the icon in the dock to bring up the context menu and choose "Add to Favorites".
You must pin: