We had our 3rd Ansible Stockholm Meetup [https://www.meetup.com/ansible-stockholm/events/292825770/] on the 3rd of May, 2023, at Sunet [https://sunet.se/]. It was the time to learn about Event Driven Ansible [https://www.ansible.com/use-cases/event-driven-automation]. Wikipedia says Event-driven architecture is a software architecture paradigm…
But what is Network Time Security (NTS)? To understand NTS, first we have to get familiar with NTP. NTP, Network Time Protocol is a networking protocol for clock synchronization. In simple terms this protocol helps your system to get correct time. RFC 5905 [https://datatracker.ietf.org/doc/html/rfc5905]…
Keeping the system updated is a daily task of sys admins. To find out the available security updates on a Ubuntu machine use the commands here under. I have done this on a virtual machine Ubuntu [https://ubuntu.com/] 21.04. apt update This will update all the package information…