Set up 1.1.1.1 - Linux
Take note of any DNS addresses you might have set up, and save them in a safe place in case you need to use them later.
 GNOME (Ubuntu, Fedora, Pop!_OS etc)
- Go to Show Applications > Settings > Network.
- Select the adapter you want to configure — like your Ethernet adapter or WiFi card — and select the Settings button.
- On the IPv4 tab > DNS section, disable the Automatic toggle.
- Depending on what you want to configure, choose one of the following DNS addresses for IPv4: - Use 1.1.1.1 resolver1.1.1.11.0.0.1- Block malware with 1.1.1.1 for Families1.1.1.21.0.0.2- Block malware and adult content with 1.1.1.1 for Families1.1.1.31.0.0.3
- Go to IPv6.
- Depending on what you want to configure, choose one of the following DNS addresses for IPv6: - Use 1.1.1.1 resolver2606:4700:4700::11112606:4700:4700::1001- Block malware with 1.1.1.1 for Families2606:4700:4700::11122606:4700:4700::1002- Block malware and adult content with 1.1.1.1 for Families2606:4700:4700::11132606:4700:4700::1003
- Select Apply.
 KDE Plasma (Kubuntu, KDE neon, Fedora KDE, etc)
- Go to System Settings > Connections.
- Select the connection you want to configure - like your current connected network.
- On the IPv4 tab, select the Method drop-down menu > Automatic (Only addresses).
- Select the text box next to DNS servers.
- Depending on what you want to configure, choose one of the following DNS addresses for IPv4: - Use 1.1.1.1 resolver1.1.1.11.0.0.1- Block malware with 1.1.1.1 for Families1.1.1.21.0.0.2- Block malware and adult content with 1.1.1.1 for Families1.1.1.31.0.0.3
- On the the IPv6 tab, select the Method drop-down menu > Automatic (Only addresses).
- Select the text box next to DNS servers.
- Depending on what you want to configure, choose one of the following DNS addresses for IPv6: - Use 1.1.1.1 resolver2606:4700:4700::11112606:4700:4700::1001- Block malware with 1.1.1.1 for Families2606:4700:4700::11122606:4700:4700::1002- Block malware and adult content with 1.1.1.1 for Families2606:4700:4700::11132606:4700:4700::1003
- Select Apply.