Category: Linux

Linux Server Managment

Student supercomputing is #PoweredByCentOS at SC18

I’m at SC18 – the premiere international supercomputing event – in Dallas, Texas. Every year at this event, hundreds of companies and universities gather to show what they’ve been doing in the past year in supercomputing and HPC. As usual, the highlight of this event for me is the student cluster competition. Teams from around […]

Red Hat / CentOS Check and List Running Services Linux Command nixCraft Updated Tutorials/Posts

How do I list all currently running services in Fedora / RHEL / CentOS Linux server? How can I check the status of a service using systemd based CentOS/RHEL 7.x?There are various ways and tools

How to install and configure Varnish cache on Ubuntu Linux 16.04 LTS nixCraft Updated Tutorials/Posts

How do I install Varnish Cache server to improve the performance of my existing Apache web server especially caching dynamic content on Ubuntu Linux 16.04 LTS server?Varnish Cache is a web application accelerator. You install

Debian Linux 9.6 released and here is how to upgrade it nixCraft Updated Tutorials/Posts

The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 9 (“stretch”). You must upgrade to get corrections for security problem as this version made a few adjustments for the

How to add bash auto completion in Ubuntu Linux nixCraft

I set up a new Ubuntu Linux LXD container, but my auto-completion of bash shell commands are not working. How do I enable autocomplete feature in Ubuntu Linux 18.04 LTS? How do I write simple

macOS X Mount NFS Share / Set an NFS Client nixCraft Updated Tutorials/Posts

How do I access my enterprise NAS server by mounting NFS filesystem onto my Mac OS X based system using GUI and command line based tools?Network File System (NFS), a distributed file system protocol developed

Schedule, Registration now available for CentOS Dojo at FOSDEM

We are pleased to announce the (tentative) schedule of talks for the upcoming CentOS Dojo in Brussels, which will be held on the day before FOSDEM – February 1, 2019 – at the Grand Place Marriott. Details, and the schedule, are now available at https://wiki.centos.org/Events/Dojo/Brussels2019 (Schedule subject to change). Registration is free, but we need […]

Ubuntu dig command not found – How to install dig on Ubuntu nixCraft

I deployed Ubuntu Linux minimal deployed in the cloud. However, I am unable to find the dig command on my newly created Ubuntu 18.04 LTS server running on Google cloud. It says ‘-bash: dig: command

KDE has been deprecated in RHEL 7.6 and future version of RHEL nixCraft

Red Hat Enterprise Linux is well known to set defaults across the industry. For example, RHEL pushed systemd so hard that all other Linux distro adopted for good or bad reasons. Now Red Hat announced

Open Source Linux Powered System76 Thelio Desktops Is Here nixCraft

The top 500 most powerful supercomputers on the planet run Linux operating system. Linux has a 100% market share of those machines and a large share of cloud computing, VMs, and bare metal market too.

Book Review: Absolute FreeBSD (3rd Edition) nixCraft

FreeBSD is a free and open source operating system for many different kinds of computers. FreeBSD’s based upon BSD, the version of UNIX developed at the University of California, Berkeley. FreeBSD is an alternative to

Top open source projects in 2018, open source hardware, donation model for sustaining open source projects, and more news

In this edition of our open source news roundup, we take a look at GitHub and its efforts to protect open source in the EU, a novel idea for sustainable open source, the next FIDO2

What’s the next programming language you want to learn?

In July, IEEE Spectrum released their fifth annual interactive ranking of the top programming languages. They have a pretty cool and complex process for ranking 47 chosen programming languages because it’s complicated to say really which

How to run AWX on Minishift

The upstream version of Red Hat’s Ansible Tower product is AWX. It’s a containerized solution, which means you need a container orchestrator to run and look after it. A neat local installation option is Minishift, which