an you explain DEBIAN_FRONTEND apt or apt-get variable? How and why I need to use this in Docker or shell scripts under a Debian and Ubuntu Linux?
ow do I remove all unused old kernels in Ubuntu Linux 18.04 LTS using the command line?
noticed that /var/cache/apt/archives/ taking lots of disk space on my AWS EC2 cloud server powered by Debian Linux. Can I delete /var/cache/apt/archives/ folder? Is it safe to remove all files? Do we absolutely necessary to keep all these files?
ow do I configure automatic updates for Ubuntu Linux 18.04 LTS “Bionic Beaver” server?
have Debian 9.x installed on AWS EC2. How do I upgrade Debian 9 Stretch to Debian 10 Buster using the apt command
CLI? How can I upgrade Debian 9 to Debian 10 using ssh client?
have minimal Ubuntu Linux 18.04 LTS server setup in the cloud. I read that one can configure Ubuntu Linux to download and install security updates when released automatically. How can I set up automatic security updates on Ubuntu Linux 18.04 or 16.04 LTS system?
am a new Ubuntu Linux user. I switched from Apple MacOS/Macbook and I trying to run the curl command from a shell script but getting the following error: bash: curl: command not found
How do I fix this on a Ubuntu Linux version 17.10/16.04 LTS?