nixCraft Linux / UNIX Newsletter

Ubuntu Linux Remove / Delete PPAs apt-get command
How to open ssh port using ufw on Ubuntu/Debian Linux
Change netplan renderer from networkd to NetworkManager

Ubuntu Linux Remove / Delete PPAs apt-get command

Posted: 06 Oct 2019 08:04 PM PDT

Over time I have added way too many PPAs using the add-apt-repository command on Ubuntu Linux 16.04/18.04 LTS server for testing purpose. How can I delete or remove those PPAs? Is there a command to list all PPAs?

The post Ubuntu Linux Remove / Delete PPAs apt-get command appeared first on nixCraft.

How to open ssh port using ufw on Ubuntu/Debian Linux

Posted: 06 Oct 2019 08:01 PM PDT

How do I allow incoming SSH connections from a specific IP address or subnet on a Ubuntu or Debian Linux server using ufw? How do I open ssh port using ufw on Ubuntu or Debian server?

The post How to open ssh port using ufw on Ubuntu/Debian Linux appeared first on nixCraft.

Change netplan renderer from networkd to NetworkManager

Posted: 06 Oct 2019 07:58 PM PDT

I prefer to use NetworkManager on my Ubuntu desktop, but currently, it is using networkd. As a result, I cannot set up or configure NetworkManager using GUI tools. Is there anyway to change netplan renderer from networkd to NetworkManager running on Ubuntu Linux? How can I change netplan renderer in Ubuntu Linux?

The post Change netplan renderer from networkd to NetworkManager appeared first on nixCraft.