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Updated: 1 hour 15 min ago

Red Hat Ansible Tower 3.3 Adds Improved UI, Scalability Features

Thursday 13th of September 2018 06:05:19 AM
The Ansible Tower IT automation platform is being extended by Red Hat with new scalability improvements and enhanced customization options.

How to Change Your Ubuntu’s Default Applications

Thursday 13th of September 2018 04:50:58 AM
We all have our preferences when it comes to the application we want to use for opening and working with a certain file type. In Ubuntu, you can change your default applications both through the command line and the graphical user interface through the simple steps described in this tutorial.

5 examples of Prometheus monitoring success

Thursday 13th of September 2018 03:36:38 AM
Prometheus is an open source monitoring and alerting toolkit for containers and microservices. The project is a hit with lots of different organizations regardless of their size or industrial sector. The toolkit is highly customizable and designed to deliver rich metrics without creating a drag on system performance. Based on the organizations that have adopted it, Prometheus has become the mainstream, open source monitoring tool of choice for those that lean heavily on containers and more

How to Setup Apache Subversion with HTTPS Letsencrypt on CentOS 7

Thursday 13th of September 2018 02:22:18 AM
Apache Subversion or SVN is open source versioning and revision control software. In this article, we show you how to set up Apache Subversion on the latest CentOS 7 server. We install and configure the svn software with Apache as web server, secure it with Let's encrypt and activate "Basic Authentication" for users.

Top 10 Ubuntu Network Tools

Thursday 13th of September 2018 01:07:57 AM
Due to more and more network access needed in most of the distributed applications today, the restrictions which need to be applied for network access and monitoring has only increased. In this lesson, we will study the ten most popular Network Tools for Ubuntu OS which can be used to monitor network usage with visualization as well.

Injecting chaos experiments into security log pipelines

Wednesday 12th of September 2018 11:53:37 PM
Security teams depend on high-quality logs for most preventative security efforts. Preventing an incident from occurring requires observable insight into where the failure might come from, and logs are one important source for such insights. When an incident occurs, organizations must be able to respond and contain them as quickly as possible. Logs are not only essential to find the source of a problem, but they also help identify appropriate more

4 Practical Measures to Improve Election Security Now

Wednesday 12th of September 2018 10:39:17 PM
I was able to visit the DEF CON Voting Village, where actual voting machines were being hacked. But more importantly, there were independent experts and state government voting officials that you could talk to about the voting process. States such as Colorado are making strides by moving to paper ballots, requiring risk-limiting audits, and...

How to install School tool on Ubuntu 18.04 LTS

Wednesday 12th of September 2018 09:24:57 PM
SchoolTool is a free and open source suite of free administrative software for schools that can be used to create a simple turnkey student information system, including demographics, grade book, attendance, calendaring and reporting for primary and secondary schools.

How to build rpm packages

Wednesday 12th of September 2018 08:10:37 PM
I have used rpm-based package managers to install software on Red Hat and Fedora Linux since I started using Linux more than 20 years ago. I have used the rpm program itself, yum, and DNF, which is a close descendant of yum, to install and update packages on my Linux hosts. The yum and DNF tools are wrappers around the rpm utility that provide additional functionality, such as the ability to find and install package more

How to Install Nagios Core on CentOS 7

Wednesday 12th of September 2018 06:56:17 PM
Nagios (also known as Nagios Core) is a free and open source application which can be used for monitoring Linux or Windows servers, network infrastructures and applications. When properly configured it will alert you when something on your server goes wrong and then notify you again once the problem has been resolved. In this tutorial, we will show you how to install and configure the latest Nagios Core version on a CentOS 7 VPS.

Canonical Outs New Linux Kernel Live Patch for Ubuntu 18.04 LTS and 16.04 LTS

Wednesday 12th of September 2018 05:41:57 PM
Canonical released a new kernel live patch for all of its LTS (Long Term Support) Ubuntu Linux releases to address various security vulnerabilities discovered by various security researchers lately.

How subroutine signatures work in Perl 6

Wednesday 12th of September 2018 04:27:37 PM
In the first article in this series comparing Perl 5 to Perl 6, we looked into some of the issues you might encounter when migrating code into Perl 6. In the second article, we examined how garbage collection works in Perl 6, and in the third article, we looked at how containers replaced references in Perl more

How to Connect Your Android Phone to Linux via Airdroid

Wednesday 12th of September 2018 03:13:17 PM
Airdroid doesn’t come with a desktop client for Linux. In this article we show you how you can connect your Android phone to your Linux desktop.

GNOME Podcasts – podcast client for the GNOME desktop

Wednesday 12th of September 2018 01:58:57 PM
It’s true that any music player worth its salt plays podcasts. But there’s still a call for dedicated players. I’ve looked at podcasts built with web technologies as well as an interesting command-line podcast player. To add to the mix, let’s consider a further podcast player designed with the GNOME desktop in mind.

How to turn on an LED with Fedora IoT

Wednesday 12th of September 2018 12:44:37 PM
Do you enjoy running Fedora, containers, and have a Raspberry Pi? What about using all three together to play with LEDs? This article introduces Fedora IoT and shows you how to install a preview image on a Raspberry Pi. You’ll also learn how to interact with GPIO in order to light up an LED. What […]

Have You Ever Considered Replacing Windows with Linux?

Wednesday 12th of September 2018 10:14:42 AM
Despite failing on some devices, like mobile, Microsoft’s Windows continues to be the number one choice on the desktop, with third-party data indicating a market share that’s close to 90 percent.

How To Install and Configure Nextcloud with Apache on Ubuntu 18.04

Wednesday 12th of September 2018 09:00:21 AM
Nextcloud is an open source, self-hosted file share and collaboration platform, similar to Dropbox. In this tutorial we'll show you how to install and configure Nextcloud with Apache on an Ubuntu 18.04 machine.

Know Your Storage: Block, File & Object

Wednesday 12th of September 2018 07:46:01 AM
There are three different kinds of storage solutions -- block, file, and object -- each serving a different purpose while working with the others. Block storage is the oldest form of data storage, where data is stored in...

Even though INSOMNIA: The Ark is delayed for Linux, the developer sounds committed to a Linux version

Wednesday 12th of September 2018 06:31:41 AM
It's a shame when a Linux version is delayed, but in the case of INSOMNIA: The Ark it should hopefully mean a better game.

Linux mktemp Command Tutorial for Beginners (5 Examples)

Wednesday 12th of September 2018 05:17:20 AM
Creating temporary files or directories is a common task that many Linux command line users do. But there's a dedicated command line tool - dubbed mktemp - that lets you do this.

More in Tux Machines

Security: Updates, Mirai and Singapore's Massive Breach

  • Security updates for Friday
  • Mirai botnet hackers [sic] avoid jail time by helping FBI

    The three men, Josiah White, 21, Dalton Norman, 22, and Paras Jha, 22, all from the US, managed to avoid the clink by providing "substantial assistance in other complex cybercrime investigations", according to the US Department of Justice. Who'd have thought young hacker [sic] types would roll over and show their bellies when faced with prison time....

  • A healthcare IT foundation built on gooey clay
    Today, there was a report from the Solicitor General of Singapore about the data breach of the SingHealth systems that happened in July. These systems have been in place for many years. They are almost exclusively running Microsoft Windows along with a mix of other proprietary software including Citrix and Allscript. The article referred to above failed to highlight that the compromised “end-user workstation” was a Windows machine. That is the very crucial information that always gets left out in all of these reports of breaches. I have had the privilege of being part of an IT advisory committee for a local hospital since about 2004 (that committee has disbanded a couple of years ago, btw). [...] Part of the reason is because decision makers (then and now) only have experience in dealing with proprietary vendor solutions. Some of it might be the only ones available and the open source world has not created equivalent or better offerings. But where there are possibly good enough or even superior open source offerings, they would never be considered – “Rather go with the devil I know, than the devil I don’t know. After all, this is only a job. When I leave, it is someone else’s problem.” (Yeah, I am paraphrasing many conversations and not only from the healthcare sector). I recall a project that I was involved with – before being a Red Hatter – to create a solution to create a “computer on wheels” solution to help with blood collection. As part of that solution, there was a need to check the particulars of the patient who the nurse was taking samples from. That patient info was stored on some admission system that did not provide a means for remote, API-based query. The vendor of that system wanted tens of thousands of dollars to just allow the query to happen. Daylight robbery. I worked around it – did screen scrapping to extract the relevant information. Healthcare IT providers look at healthcare systems as a cashcow and want to milk it to the fullest extent possible (the end consumer bears the cost in the end). Add that to the dearth of technical IT skills supporting the healthcare providers, you quickly fall into that vendor lock-in scenario where the healthcare systems are at the total mercy of the proprietary vendors.

Recoll – A Full-Text GUI Search Tool for Linux Systems

We wrote on various search tools recently like in 9 Productivity Tools for Linux That Are Worth Your Attention and FSearch, and readers suggested awesome alternatives. Today, we bring you an app that can find text anywhere in your computer in grand style – Recoll. Recoll is an open-source GUI search utility app with an outstanding full-text search capability. You can use it to search for keywords and file names on Linux distros and Windows. It supports most of the document formats and plugins for text extraction. Read more

today's howtos

Linux Foundation for Sale

  • Open Source Summit EU Registration Deadline, Sept. 22, Register Now to Save $150 [Ed: Microsoft is the "DIAMOND" sponsor of this event, the highest sponsorship level! Linux Foundation, or the Zemlin PAC, seems to be more about Microsoft than about Linux.]
  • Building a Secure Ecosystem for Node.js [Ed: Earlier today the Zemlin PAC did this puff piece for Microsoft (a sponsor)]
  • The Human Side of Digital Transformation: 7 Recommendations and 3 Pitfalls [Ed: New Zemlin PAC-sponsored and self-serving puff piece]
    Not so long ago, business leaders repeatedly asked: “What exactly is digital transformation and what will it do for my business?” Today we’re more likely to hear, “How do we chart a course?” Our answer: the path to digital involves more than selecting a cloud application platform. Instead, digital, at its heart, is a human journey. It’s about cultivating a mindset, processes, organization and culture that encourages constant innovation to meet ever-changing customer expectations and business goals. In this two-part blog series we’ll share seven guidelines for getting digital right. Read on for the first three.