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Linux

How Debian Cron Handles DST Transitions

When the Daylight saving time starts, and the computer’s clock jumps forward, what does cron do? If the clock jumps from 1AM to 2AM, and there is a job scheduled for 1:30AM, will cron run this job? If yes, when? Likewise, when the Daylight saving time ends, and the clock jumps backward, will cron possibly run the same scheduled job twice? Let’s look at what “man cron” says.

Zero to hero: Enterprise multi-cloud application management from Day 0 to Day 2, on any substrate

Kubernetes and Operators have stormed the IT industry, but the enterprise landscape is still a mix of bare metal, virtual machines and Kubernetes, on-prem and on public clouds, all running different workloads. How can we manage the lifecycle of all those applications across all these environments, whithout having to learn new tools and frameworks as the industry is already moving to serverless? In this fast-flowing demo we will show you how the Charmed Operator Framework brings a unified approach for application management across clouds and infrastructure generations.

OpenStack Xena and OpenStack Charms 21.10

The release of OpenStack Charms 21.10 brings native support for OpenStack Xena in Charmed OpenStack. This latest version of OpenStack comes with initial support for SmartNICs in Nova and further improvements around Neutron Open Virtual Network (OVN) driver integration. In order to further simplify the job of the cloud operations teams, the OpenStack Charms 21.10 release offers improved day-2 automation, including additional charm actions and better upgrade experience, and new operations documentation.

A FinServ Charming Legend - Automating application deployment and management

This session explores how charmed operators help streamline the deployment and Day-2 ops of Legend platform. Goldman Sachs had open sourced its internally developed Legend data management platform into FINOS. Legend is an end-to-end data platform that handles the full data lifecycle used across pricing, risk and reporting business function for FS organisations. It allows companies to build data-driven applications and insightful business intelligence dashboards.

5 Things to Check Out in Ubuntu Impish Indri

Last week, we celebrated the Ubuntu 21.10 release on the Ubuntu On Air channel, where a wide range of guests discussed their Impish Indri highlights as well as some thoughts for the future. Today we thought we would share ours! For Linux desktop users, Impish Indri contains a number of new features plus a preview or two for you to try out ahead of our LTS release next year with 22.04. So here are our top 5 must try for Ubuntu Desktop 21.10.

Enterprise Kubernetes use cases: 4 real-world stories

There are common patterns and best practices across different verticals to be successful with Kubernetes adoption and everything starts with setting the appropriate business goals. Canonical is helping businesses in various industries, such as Telco, FinServ, Human Resources and the public sector to define the right cloud native strategy and implement a fully open source solution tailored to their needs.

Finserv open source security

The fintech ecosystem is flourishing and exciting things are happening these days at the intersection of digital technology and financial services – thanks in part to an infusion of global fintech investment that reached US$98 billion across 2,456 deals in H1’21. This far outpaces last year’s annual total of $121.5 billion across 3,520 deals.

What's new in security for Ubuntu 21.10?

Ubuntu 21.10 is the latest release of Ubuntu and comes as the last interim release before the forthcoming 22.04 LTS release due in April 2022. As the interim releases are often proving grounds for upcoming features in the LTS releases, this provides a good opportunity to take stock of some of the latest security features delivered in this release, on the road to 22.04 LTS.

KubeCon NA 2021: Operator Day Keynote with Mark Shuttleworth

Operators, Models, Kubernetes, Hybrid Clouds, massive scale and bootstrapping quickly - Kubernetes is taking the the world by storm. So what's next? Mark Shuttleworth (one time astronaut, founder of Canonical, the company behind Ubuntu) talks with David Booth (VP Cloud Native Applications at Canonical) about the past and lays down a vision for the future.