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Server Administration

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Linux
Server
  • Bash Tips for Linux Sysadmins

    The Bash shell is a fundamental Linux tool and, in this era of containers and clusters and microservices, good old-fashioned Linux system administration skills are as relevant as ever. Today, we'll learn about running other command shells, Bash built-ins, configuration files, and shell expansion.

  • Poll: How do you abbreviate system administrator?
  • 5 tools to support distributed sysadmin teams

    Remotely-distributed system administration teams provide around-the-clock coverage without anyone losing sleep, and have the benefit of drawing from a global talent pool. The OpenStack global infrastructure team relies on these five open source tools to communicate, and to coordinate our work.

Server Administration

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  • Open Source Docker Monitoring & Logging

    Docker is growing by leaps and bounds, and along with it, its ecosystem. Being light, the predominant container deployment involves running just a single app or service inside each container. Most software products and services are made up of at least several such apps/services. We all want all our apps/services to be highly available and fault tolerant. Thus, Docker containers in an organization quickly start popping up like mushrooms after the rain. They multiply faster than rabbits.While, in the beginning, we play with them like cute little pets, as their numbers quickly grow we realize we are dealing with a herd of cattle, implying we’ve become cowboys. Managing a herd with your two hands, a horse, and a lasso will only get you so far. You won’t be able to ride after each and every calf that wonders in the wrong direction. To get back to containers from this zoological analogy—operating so many moving pieces at scale is impossible without orchestration—this is why we’ve seen the rise of Docker Swarm, Kubernetes, Mesos, CoreOS, RancherOS, and so on.

  • DevOps: A Pillar of Modern IT Infrastructure

    A massive transformation is underway in the way we manage IT infrastructure. More companies are looking for improved agility and flexibility. They are moving from traditional server stacks to cloudy infrastructure to support a new array of applications and services that must be delivered at breakneck pace in order to remain competitive.

  • The one big change in IT

    Yet Bob does not believe the devops hammer should be used on anything that looks remotely like a nail. Accounting systems, supply chain management systems, warehouse management systems, and so on do not benefit from the constant modification enabled by devops. Those are bound by precise, interlocking processes along with granular permissions and regulations. Here, continuous change invites disaster of the type that ITIL-huggers and OCM (organizational change management) proponents fear most.

Server Administration

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Server
  • SysAdmins With Open Source Skills Are In Demand

    System administrators play a crucial role in businesses today. They are the individuals responsible for the configuration, support and maintenance of company computer systems and servers. For this reason, they are a popular hiring request, with defense and media companies alike looking for these professionals on Dice.

    Yet, despite the ongoing demand, finding and recruiting system administrators may be more of a challenge. Data from the U.S. Bureau of Labor Statistics (BLS) found that the quarterly unemployment rate for system administrators was 0.6%, well below the national quarterly average (4.9%) and the quarterly average for all tech professionals (2.1%). Employers thus need to focus more of their recruitment strategies on poaching this talent from competitors.

  • One Phrase Sysadmins Hate to Hear (And How to Avoid It)

    A few years later, sysarmy, the local IT community, was born as the "Support for those who give support." And in that spirit, for this 8th AdminFest edition, we want to do exactly that: support those who help others in our Q&A platform, sysarmy.com/help. Each 500 points a participant earns, he/she gets a free drink in return!

  • DevOps'n the Operating System

    John Willis takes a brief look at the history of how Devops principles and operating systems have converged. He spends most of the time forward looking at what and how unikernels will converge with Devops tools, processes and culture. He ends with a demo of how containers, unikernels and Devops ideas can work together in the future.

  • 5 reasons system administrators should use revision control

    Whether you're still using Subversion (SVN), or have moved to a distributed system like Git, revision control has found its place in modern operations infrastructures. If you listen to talks at conferences and see what new companies are doing, it can be easy to assume that everyone is now using revision control, and using it effectively. Unfortunately that's not the case. I routinely interact with organizations who either don't track changes in their infrastructure at all, or are not doing so in an effective manner.

    If you're looking for a way to convince your boss to spend the time to set it up, or are simply looking for some tips to improve how use it, the following are five tips for using revision control in operations.

Servers News

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  • Containers rated more secure than conventional apps

    Containers are more secure than apps running on a bare OS and organisations that like not being hacked therefore need to seriously consider a move, according to analyst firm Gartner.

  • Evolution of Linux Containers and Future

    Linux containers are an operating system level virtualization technology for providing multiple isolated Linux environments on a single Linux host. Unlike virtual machines (VMs), containers do not run dedicated guest operating systems. Rather, they share the host operating system kernel and make use of the guest operating system system libraries for providing the required OS capabilities. Since there is no dedicated operating system, containers start much faster than VMs.

  • 10 Essential Skills for Novice, Junior and Senior SysAdmins

    As the world evolves for systems administrators, “Linux is exploding with new ideas and it's a little scary …,” as commenter Mike Tarkowski put it.

    Keeping up with emerging technologies in cloud computing such as OpenStack will be key to navigating this changing landscape, according to Randy Russell, director of certification for Red Hat.

Big Data/Hadoop

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Server
OSS
  • Apache Foundation Crucial to Hadoop, Big Data’s Success

    Looking back at 10 years of Hadoop, project co-founder and Cloudera Chief Architect Doug Cutting can see two primary factors in the success of open source big data technology: a heap of luck and the Apache Foundation’s unique support.

  • TP empowers Singapore students with big data analytics skills

    Temasek Polytechnic (TP), Singapore and Cloudera have teamed on cultivating the next generation of data professionals through the Cloudera Academic Partnership (CAP) program.

  • TP, Cloudera to help S'pore students prepare for big data-related roles

    Temasek Polytechnic (TP) and Cloudera are working together to cultivate the next generation of data professionals through the Cloudera Academic Partnership (CAP) program. Through this program, students from Temasek Polytechnic’s School of Informatics & IT (IIT) have access to the latest Apache Hadoop curriculum, software and skills training for the Hadoop platform.

  • Empowering Growth Hackers with Big Data

    Growth hacking often leverages customer data in the experimentation process, in the form of A/B testing. The goal is to use big data to gain a better understand of the customer, via a complete view across every touch point of the organization, in order to enable an optimal customer experience. Growth hackers—who can be anyone from marketing professionals to product manager and engineers—are seeking insights to help optimize marketing campaigns across channels, increase customer loyalty and retention, and enhance the customer experience.

Blockchain on GNU/Linux

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Linux
Server

How To Setup A Web Server And Host Website On Your Own Linux Computer

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Linux
Server
Web
HowTos

Welcome to small tutorial series of hosting website on Linux machine. This series of articles will teach how to setup a web server on Linux computer and make it available online. The website we'll host on our personal computer can be accessed from around the globe. In this article(Part 1), we are going to install all the required tools to setup web server. So let's get started and start our own setup web server. ​

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Servers News

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Server
  • Operators Are Migrating From NFV MANO Trials to Reality

    Some operators are progressing from network functions virtualization (NFV) management and orchestration (MANO) trials to the launching of commercial services, according to a new report from Current Analysis.

    While some of those commercial services are at the virtualized infrastructure manager (VIM) levels of orchestration, some are at the virtual network function manager (VNFM) level and even the NFV orchestrator level, the analyst firm says. This is happening even though ETSI hasn’t released final MANO specifications.

  • The Emerging Containers as a Service Marketplace

    While many developers are enthusiastic about the way containers can speed up deployments, administrators and operators may be a bit more wary, given the considerable amount of retooling that their internal systems may need to go through to support container-based pipelines.

    Which is why the emerging Containers as a Service (CaaS) approach may prove popular to both camps.

  • ​IBM to open blockchain innovation centre in Singapore

    IBM plans to open its first blockchain innovation centre in Singapore, with one of its first projects to focus on developing trade solutions using blockchain technology to improve the efficiency of multi-party trade finance processes and transactions.

    According to IBM, the centre -- to be staffed by Singaporean-based talent and researchers from IBM Research Labs worldwide -- together with the Singapore Economic Development Board (EDB) and the Monetary Authority of Singapore (MAS) will work with government, industries, and academia to develop applications and solutions based on blockchain, cybersecurity, and cognitive computing technologies.

  • What Has the Open Container Initiative Achieved in Its First Year?

    The Open Container Initiative (OCI) was formed in June 2015. Their main goal was to establish common standards for software containers. It was originally named the Open Container Project and later became a Linux Foundation project. Founding members included CoreOS, Amazon Web Services, Apcera, Cisco, EMC, Fujitsu, Goldman Sachs, Google, HP, Huawei, IBM, Intel, Joyent, Mesosphere, Microsoft, Pivotal, Rancher Labs, Red Hat, and VMware Docker.

Server Administration

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Server
  • AT&T Releases Virtualization Playbook Into Open Source

    AT&T today committed to releasing into open source the software platform that powers our software-defined network (SDN). Making our current Enhanced Control, Orchestration, Management and Policy (ECOMP) platform available in open source will enable global service providers and cloud developers to meet non-stop network demands as data-hungry technologies like autonomous cars, augmented and virtual reality, 4K video and the Internet of Things (IoT) take off.

  • The Long March to SDN Transformation
  • 10 Myths About NFV (Mostly) Dispelled

    The transition toward network functions virtualization (NFV) is in progress and, as with any technology transition, companies are proceeding with caution. The trick is figuring out which anticipated hazards are real, if any of those have already been cleared, and making sure you don't get frozen by hazards you anticipated but which failed to materialize.

  • What is DevOps? Mark Imbriaco Explains

    Mark Imbriaco has spent the past 20 years working at some of the most interesting and innovative companies in the industry, including 37Signals, GitHub, and DigitalOcean before moving on to become Co-Founder and CEO at Operable. You can also find him talking about various DevOps topics at conferences and elsewhere online.

  • #HugOps in Practice: Empathy Skills for DevOps

    We think we’re doing the whole DevOps thing right — new hires can deploy on day one, Travis CI is humming along, and we own the code we ship. But then something breaks, something doesn’t go according to plan, tempers flare up, and all that warm, fuzzy collaboration seems to evaporate. What’s going on? What happened to #HugOps?

  • NGINX Is the Most Popular Docker Container App [VIDEO]

    There are a lot of different applications that are available on the Docker Hub repository for containerized applications, but none is more popular than the open-source Nginx web server.

    In a video interview interview, Gus Robertson, CEO of NGINX discusses his firm's Docker popularity and why OpenStack isn't all that far behind.

    "Typically Nginx and containers go together very closely," Robertson said.

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CORD becomes a Linux Foundation project

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Google beefs Linux up kernel defenses in Android

Future versions of Android will be more resilient to exploits thanks to developers' efforts to integrate the latest Linux kernel defenses into the operating system. Android's security model relies heavily on the Linux kernel that sits at its core. As such, Android developers have always been interested in adding new security features that are intended to prevent potentially malicious code from reaching the kernel, which is the most privileged area of the operating system. Read more

Fork YOU! Sure, take the code. Then what?

There's an old adage in the open source world – if you don't like it, fork it. This advice, often given in a flippant manner, makes it seem like forking a piece of software is not a big deal. Indeed, forking a small project you find on GitHub is not a big deal. There's even a handy button to make it easy to fork it. Unlike many things in programming though, that interaction model, that simplicity of forking, does not scale. There is no button next to Debian that says Fork it! Thinking that all you need to do to make a project yours is to fork it is a fundamental misunderstanding of what large free/open source projects are – at their hearts, they are communities. One does not simply walk into Debian and fork it. One can, on the other hand, walk out of a project, bring all the other core developers along, and essentially leave the original an empty husk. This is what happened when LibreOffice forked away from the once-mighty OpenOffice; it's what happened when MariaDB split from MySQL; and it's what happened more recently when the core developers behind ownCloud left the company and forked the code to start their own project, Nextcloud. They also, thankfully, dropped the silly lowercase first letter thing. Nextcloud consists of the core developers who built ownCloud, but who were not, and, judging by the very public way this happened, had not been, in control of the direction of the product for some time. Read more

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