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Kris Sharma
19 January 2021

What is PostgreSQL and why do banking software developers love it?

Financial Services Ubuntu tech blog

PostgreSQL is a powerful, open source object-relational database system that is known for reliability, feature robustness, and performance. PostgreSQL is becoming the preferred database for more and more enterprises. It is currently ranked #4 in popularity amongst hundreds of databases worldwide according to the DB-Engines Ranking. The ba ...

Igor Ljubuncic
14 January 2021

Productivity corner: editors, editors, editors

Apps Ubuntu tech blog

Text editors are a curious product. On one hand, they are simple, no-nonsense digital pads for taking notes, without any embellishments or visual styling. On the other, they are powerful code and data toolboxes, allowing for a great deal of flexibility and innovation. Indeed, software developers, Web developers and entrepreneuring nerds w ...

Canonical
13 January 2021

Telefonica Brazil selects Canonical’s Charmed OpenStack for industry-leading cloud-based online charging system

Canonical announcements Ubuntu tech blog

13th January 2021 – Canonical, the publisher of Ubuntu, today announced that its Charmed OpenStack has been selected by Telefonica Brazil to – in a first for the region – migrate its online charging system (OCS) to its private cloud, Unica Next. The transformation project will see eight private clouds built on Charmed OpenStack, geographi ...

Kris Sharma
12 January 2021

PostgreSQL: The PgMiner botnet attacks & Postgres database security

Ubuntu Ubuntu tech blog

Assuring the security of PostgreSQL and all open source database systems is critical as many learned with the PgMiner botnet attacks in December 2020. Having an understanding of, and visibility into, how these attacks happen and following standard best practices is the best way to make sure that your data is not at risk. This ...

Alan Pope
7 January 2021

Time to Branch Out

Ubuntu Ubuntu tech blog

Branches are an under-used but important feature of the Snap Store publishing capabilities. Indeed as I’m writing this post, I’ve never had a need to use the feature, and I’ve been publishing snaps for four and a half years. Let’s fix that! Start with acorns The rationale for branches is simple. Each snap in the ...

anastasiavalti
6 January 2021

OpenStack for telcos by Canonical

Ubuntu Ubuntu tech blog

Learn how Charmed OpenStack offers telcos fast networking, security, stability of performance, and optimal SDN and storage options. ...

Bill Wear
6 January 2021

Improving CLI output with jq

Cloud and server Ubuntu tech blog

Welcome back to our series on MAAS CLI operations. In our previous post, we learned how to acquire and deploy machines using the MAAS CLI. It was also evident that the JSON output from the allocate and deploy commands was very lengthy for even one machine — so you can imagine how large a list ...

Canonical
4 January 2021

Juju vs Infrastructure as Code Tools

Cloud and server Ubuntu tech blog

Summary Infrastructure as Code (IaC) tools, like Terraform, CloudFormation and Pulumi, ensure easily reproducible infrastructure setups. Juju focuses on the lifecycle and relations of applications. Juju and IaC tools mostly operate on different layers of abstraction. Use Juju to manage any application, from simple web application/database ...

Igor Ljubuncic
31 December 2020

Snaps and themes – on the path to seamless desktop integration

Desktop Ubuntu tech blog

Alongside performance, theming is one of the primary concerns for desktop snap users. People expect applications bundled inside snaps to look and behave just like their counterparts shipped and packaged in the traditional way in their Linux distributions, and any discrepancy in this space can lead to a degraded user experience. Over the y ...

Claudio Gomboli
29 December 2020

Design and Web team summary – 29 December 2020

Design Ubuntu tech blog

The web team here at Canonical run two-week iterations. Here are some of the highlights of our completed work from this iteration. Web squad Our Web Squad develops and maintains most of Canonical’s promotional sites like ubuntu.com, canonical.com and more. We designed and added the new Android in the cloud on arm native servers  Engage ...

Ian Johnson
23 December 2020

Why LZO was chosen as the new compression method

Desktop Ubuntu tech blog

Everyone wants fast applications. Recently, we provided a mechanism to make snap applications launch faster by using the LZO format. We introduced this change because users reported desktop snaps starting more slowly than the same applications distributed via traditional, native Linux packaging formats like Deb or RPM. After a thorough in ...

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