News from the AWS world
As every month, the world of Amazon Web Services gets new products and features. This month we'd like to inform you about a new class of S3 Storage - Glacier Deep Archive - designed for storing large amounts of data similar to the "usual" Glacier but at 75% of the price and available within 12 hours; the Single Sign-On service expands its coverage to new regions; Open Distro for Elasticsearch, as the name suggests, combines Elsticsearch, a distributed and document-oriented search and analysis engine used for real-time log analysis and monitoring and Kibana, an advanced data visualization system, making them available in the form of RPM packages and Docker containers (it is not a fork of the two projects: the contributions are pushed on the upstream channel); RedShift now includes an automatic concurrence scaling function in the event of activity bursts; Direct Connect is updated with a new console that allows you to have services in different Regions (excluding China) and access them from a single point; the SNS notification service now includes 5 new languages, including Italian; regarding containers, we point out that EKS (Elastic Container Services for Kubernetes) supports Windows Server workloads, although in tech preview mode. The new Deep Learning Containers are containers with pre-installed applications for programmed learning activities (TensorFlow, Apache MXNet and PyTorch ).

Read more Cloud and Datacenter Bulletin - April 2019

WordPress released 5.1.1

WordPress 5.1.1 is now available; this is a Security Release that does not introduce new particular functions but focuses on solving security problems and improving the current system.
In particular it proposes 14 improvements and bugfixes (available here), including functions to facilitate the transition to the minimum version of PHP that will be requested by WordPress 5.2 (released in late April) and a sanitization of the comments stored in the database in order to prevent Cross-Site Scripting attacks.

Joomla 3.9.4 is available
Joomla has released version 3.9.4 of the popular CMS.
Version 3.9.4 is a security release that does not introduce functional innovations but a system of problems. Among the improvements of this version we report the remediation of 3 Cross-Site Scripting (XSS) vulnerabilities, the addition of plugins for Terms of Use and Privacy Consent, functions tracked for User Action Logs, adding subtitles to featured articles.
More details are available in this Joomla blog post.

Read more CMS Bulletin - April 2019

DDoS attacks and Botnets

The FortiNet Threat Landscape Report Q1 2018 report is now available

FortiNet has published the Threat Landscape Q1 2018 report, which analyzes data collected between January and March 2018.

The report shows that most (55%) of infections due to a botnet lasted less than a day, 18% less than two days and only less than 5% more than a week, a sign that botnets are constantly evolving.

The infection due to the Mirai botnet is the one that lasts longer: on average 5 and a half days; but Ghost is the prevailing botnet.

Although 268 different botnets have been identified, their number and activity is declining in the analyzed period; the activity of crypto-jacking, that is generation of cryptocurrencies, is the main one.

Read more Security Bulletin - July 2018

New versions of Nextcloud are available

Nextcloud is updated by releasing versions 13.0.3 and 12.0.8.

The improvements introduced by the new version include: support to host databases through IPv6, OAuth compatibility, better log system and prohibition management, better management of errors in Workflow and addition of links to privacy policy, always in a GDPR perspective as described in the GDPR Compliance Kit. The changelogs are available at this address.

The iOS client was also updated, which introduces total support with Apple mobile devices.

Please note that version 11 no longer has active support.

Read more Cloud and Datacenter Bulletin - July 2018

Previous article -> An introduction to Docker pt.2

The Docker introduction series continues with a new article dedicated to two fundamental elements of a containers ecosystem: volumes and connectivity.
That is, how to let two containers communicate with each others and how to manage data on a certain folder on the host.

Storage: volumes and bind-mounts

Files created within a container are stored on a layer that can be written by the container itself with some significant consequences:

  • data don’t survive a reboot or the destruction of the container.
  • data can hardly be brought outside the container if used by processes.
  • the aforementioned layer is strictly tied to the host where the container runs, and it can’t be moved between hosts.
  • this layer requires a dedicated driver which as an impact on performances.

Docker addresses these problems by allowing containers to perform I/O operations directly on the host with volumes and bind-mounts.

Read more An introduction to Docker pt.3: Storage and Networking

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Issues Archive

  •  GURU advisor: issue 21 - May 2019

    GURU advisor: issue 21 - May 2019

  • GURU advisor: issue 20 - December 2018

    GURU advisor: issue 20 - December 2018

  • GURU advisor: issue 19 - July 2018

    GURU advisor: issue 19 - July 2018

  • GURU advisor: issue 18 - April 2018

    GURU advisor: issue 18 - April 2018

  • GURU advisor: issue 17 - January 2018

    GURU advisor: issue 17 - January 2018

  • GURU advisor: issue 16 - october 2017

    GURU advisor: issue 16 - october 2017

  • GURU advisor: issue 15 - July 2017

    GURU advisor: issue 15 - July 2017

  • GURU advisor: issue 14 - May 2017

    GURU advisor: issue 14 - May 2017

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