OPDS catalog of blog posts https://ifup.org/blog 2026-09-26T00:00:00.000Z Brandon Philips https://ifup.org/blog/handwritten-notes-with-friends-and-machines 2026-09-26T00:00:00.000Z Announcing a new open source project for handwritten notes https://ifup.org/blog/introducing-operator-framework 2018-05-01T00:00:00.000Z To help make it easier to build Kubernetes applications, Red Hat and the Kubernetes open source community today share the Operator Framework – an open source toolkit designed to manage Kubernetes... https://ifup.org/blog/pluggable-oci-runtimes-and-their-impact-on-kubernetes-users 2017-10-18T00:00:00.000Z Pluggability is part of the success story of Kubernetes, and as a community we have ensured that many layers – including storage, networking, and schedulers – can be replaced and improved without... https://ifup.org/blog/open-container-initiative-specifications-are-10 2017-07-19T00:00:00.000Z After two years of work with major stakeholders in the community, we’re excited to announce that the Open Container Initiative (OCI) image and runtime specifications have now hit version 1.0. This... https://ifup.org/blog/why-coreos-builds-with-open-source 2017-06-01T00:00:00.000Z CoreOS builds open source software. Why build with open source? Because the problem to be solved is massive, and innovation is needed at the macro level. It is estimated: That 3,646,000,000 internet... https://ifup.org/blog/integrating-fabric-with-kubernetes 2017-05-05T00:00:00.000Z While Kubernetes is ushering in a world where SSH is less necessary on a daily basis for deploying and managing applications, there are still instances when SSH is necessary for gathering statistics,... https://ifup.org/blog/podsecuritypolicy-vulnerability-kubernetes 2017-03-22T00:00:00.000Z An admission plugin security vulnerability related to PodSecurityPolicies was patched with the release of Kubernetes v1.5.5 . This vulnerability could allow users to make use of any... https://ifup.org/blog/rkt-container-runtime-to-the-cncf 2017-03-15T00:00:00.000Z Today CoreOS and Docker made a combined proposal to add rkt and containerd as new projects for inclusion in the Cloud Native Computing Foundation (CNCF) . During today's CNCF Technical Oversight... https://ifup.org/blog/containers-to-clusters 2016-12-13T00:00:00.000Z At Tectonic Summit on Monday, we discussed the core premise of CoreOS : securing the internet and applying operational knowledge into software. We shared how CoreOS makes infrastructure run well and... https://ifup.org/blog/introducing-operators 2016-11-03T00:00:00.000Z A Site Reliability Engineer (SRE) is a person that operates an application by writing software. They are an engineer, a developer, who knows how to develop software specifically for a particular... https://ifup.org/blog/kubernetes-critical-security-bug 2016-10-20T00:00:00.000Z A critical security bug has been found and fixed in Kubernetes TLS client authentication. This vulnerability affects Kubernetes v1.4.2 and older, and has been fixed in Kubernetes v1.4.3 and higher.... https://ifup.org/blog/happy-three-years-coreos 2016-07-01T00:00:00.000Z Happy birthday CoreOS! Three years ago, we celebrated the first release of CoreOS Linux. Since then we have marked that as our overall company birthday – the CoreOS “epoch” . Over the last three... https://ifup.org/blog/coreos-open-source-distributed-systems 2016-05-09T00:00:00.000Z Today at CoreOS Fest 2016 in Berlin, we recognize the hard work of the community that helped get us where we are, and dive into the latest news about some of our most beloved projects and products,... https://ifup.org/blog/coreos-1000-0-0 2016-03-28T00:00:00.000Z This past weekend we shipped CoreOS 1,000 . Each release version number is a count of the days since the CoreOS Epoch , July 1, 2013. Sunday’s release marks 1,000 days of CoreOS Linux. We started... https://ifup.org/blog/grpc-protobufs-swagger 2016-02-24T00:00:00.000Z At CoreOS we build and maintain a number of API-driven services across different domains, for example: container images in Quay , key/values in etcd , and cluster orchestration in Kubernetes . We’re... https://ifup.org/blog/tectonic-general-availability 2015-11-03T00:00:00.000Z Today is a big day for us here at CoreOS. Tectonic, our Universal Kubernetes Solution to deploy, manage and secure containers, is now generally available . Powering Tectonic are many of our open... https://ifup.org/blog/flocker-on-coreos-linux 2015-09-01T00:00:00.000Z You are now able to use Flocker , an open-source container data volume manager for containerized applications, on CoreOS Linux. This brings the benefits of data management and portability from... https://ifup.org/blog/rkt-0-8-with-new-vm-support 2015-08-18T00:00:00.000Z Today we are releasing rkt v0.8.0 . rkt is an application container runtime built to be efficient, secure and composable for production environments. This release includes new security features,... https://ifup.org/blog/kubernetes-1-0-and-cloud-native-computing-foundation 2015-07-21T00:00:00.000Z Today is a big day for Kubernetes, as it hits its 1.0 release milestone . Kubernetes provides a solid foundation for running container-based infrastructure providing API driven deployment, service... https://ifup.org/blog/coreos-second-epoch 2015-07-07T00:00:00.000Z Today we rolled out the 735.0.0 release of CoreOS Linux to the alpha channel . Our CoreOS Linux version numbers are counted from our epoch on July 1, 2013, which means this month marks the end of our... https://ifup.org/blog/coreos-state-of-the-union-coreosfest 2015-05-05T00:00:00.000Z At CoreOS Fest we have much to celebrate with the open source community. Today over 800 people contribute to CoreOS projects and we want to thank all of you for being a part of our community. We want... https://ifup.org/blog/rocket-0-4-1 2015-03-13T00:00:00.000Z Today we are announcing rkt v0.4.1. rkt is a new app container runtime and implementation of the App Container (appc) spec . This milestone release includes new features like private networking, an... https://ifup.org/blog/etcd-2-0-release-first-major-stable-release 2015-01-28T00:00:00.000Z Today etcd hit v2.0.0, our first major stable release. Since the release-candidate , in mid-December, the team has been hard at work stabilizing the release. You can find the new binaries on GitHub .... https://ifup.org/blog/appc-one-week-in 2014-12-09T00:00:00.000Z Last week we announced an initial version of the “App Container Spec”, a proposed standard for building and running application containers, along with a prototype implementation called Rocket . The... https://ifup.org/blog/godep-for-end-user-go-projects 2014-10-15T00:00:00.000Z Every language has a problem with dependencies. In C there are problems with bumping minor shared library versions and having unexpected bugs appear in applications. Ruby and Python have problems... https://ifup.org/blog/security-update-shellshock 2014-09-25T00:00:00.000Z As many of you have heard, there are open Bash vulnerabilities, CVE-2014-6271 , and CVE-2014-7169 . The common vectors for arbitrary code execution from these CVEs include: bash exposed via certain... https://ifup.org/blog/coreos-epoch 2014-06-30T00:00:00.000Z CoreOS has a rapidly incrementing version, 197.0.0, 247.0.0, and so on. It is a little known fact, but the version represents the number of days since the CoreOS epoch on July 1, 2013. And we hope to... https://ifup.org/blog/official-gce-images 2014-05-23T00:00:00.000Z Today we’re excited to announce that official CoreOS images are available on Google Compute Engine . This means it’s now even easier to spin up a CoreOS cluster on GCE using the API or from the... https://ifup.org/blog/coreos-clustering-with-vagrant 2014-04-24T00:00:00.000Z When you’re first exposed to a distributed platform like CoreOS, running a development environment that is complex enough to match production seems like an impossible task. This article is going to... https://ifup.org/blog/slides-etcd-at-gopdx 2014-02-25T00:00:00.000Z Last week I gave a talk at the PDX Go meetup ( Go PDX ). The presentation is a refinement on the talk I gave last month at GoSF but contains mostly the same content. Several people in the audience... https://ifup.org/blog/getting-to-goven 2014-02-16T00:00:00.000Z This is the step by step story of how etcd , a project written in Go, arrived at using goven for library dependency management. It went through several evolutionary steps while trying to find a good... https://ifup.org/blog/etcd-0-3-0-released 2014-02-07T00:00:00.000Z We're excited to release version 0.3.0 of etcd , a highly-available key value store for shared configuration and service discovery. Read on to learn about the changes in this release or hop over to... https://ifup.org/blog/go-profiling-lessons-learned 2014-01-22T00:00:00.000Z (pprof) top10 Total: 2525 samples 298 11.8% 11.8% 345 13.7% runtime.mapaccess1_fast64 268 10.6% 22.4% 2124 84.1% main.FindLoops 251 9.9% 32.4% 451 17.9% scanblock 178 7.0% 39.4% 351 13.9% hash_insert... https://ifup.org/blog/slides-etcd-at-gosf 2014-01-18T00:00:00.000Z Last week I gave a talk at the San Francisco Go meetup ( GoSF ). The event was great and has about 200 Go Gophers in attendance. Giving the talk was great because it made me realize how much we have... https://ifup.org/blog/brandons-etcd-presentation-at-gosf 2014-01-16T00:00:00.000Z Our very own @BrandonPhilips gave a talk at GoSF on etcd . Here are the slides . https://ifup.org/blog/etcd-0-2-0-released 2013-12-27T00:00:00.000Z Today we released etcd 0.2.0 which introduces major features including an improved v2 API, two new modules for fair locking and leader election, and tons of new features. Major Changes v2 API etcd... https://ifup.org/blog/etcd-v0-1-2-new-dashboard-and-bugfixes 2013-10-10T00:00:00.000Z This etcd release, v0.1.2, is putting some final polish on the 0.1 series of releases. The big feature is a new dashboard designed to visualize the latency of the followers in the network and give... https://ifup.org/blog/video-modern-linux-server-with-containers 2013-10-01T00:00:00.000Z At LinuxCon 2013 I gave a talk that dissects “Linux Containers” into its component parts in the Kernel: cgroups and namespaces. The talk shows how cgroups act as the “accounting bean counter” and... https://ifup.org/blog/boot-on-bare-metal-with-pxe 2013-09-11T00:00:00.000Z There have been a lot of requests from all of you about running CoreOS on physical gear. You want to use all of the features of CoreOS like atomic system upgrades, distributed configuration and... https://ifup.org/blog/openstack-vmware-and-kvm-images-available 2013-08-28T00:00:00.000Z We just uploaded images for OpenStack , VMware and KVM to make it easy for more of you to be involved in the CoreOS developer alpha. These images come fresh from our build system and we would love... https://ifup.org/blog/etcd-v0-1-0-release 2013-08-11T00:00:00.000Z etcd is ready for its first release! We just marked v0.1.0 and uploaded binaries for Linux and OSX. These are the major features in this release: Simple: curl'able user facing API (HTTP+JSON) Secure:... https://ifup.org/blog/distributed-configuration-with-etcd 2013-07-23T00:00:00.000Z Today we would like to announce etcd , a highly available key value store for shared configuration data. CoreOS built etcd to solve the problem of shared configuration and service discovery. etcd is... https://ifup.org/blog/recoverable-system-upgrades 2013-07-16T00:00:00.000Z System upgrades can introduce problems, and when upgrades go bad, manual steps need to be taken to get machines back up. The problem is compounded on public cloud infrastructure since you often have... https://ifup.org/blog/video-cloud-tunnels-at-cloud-mafia 2012-10-11T00:00:00.000Z Building software defined networks for cloud computing has been a hot topic around the industry in the last year or so. There are blossoming open source projects, shiny new protocols and a few... https://ifup.org/blog/luvit-nodes-ziggy-stardust 2012-07-03T00:00:00.000Z I recently gave a talk at Open Source Bridge about luvit , this great platform we are building that is like node.js only using lua as the implementation language. Anyways, my slides are available but... https://ifup.org/blog/talk-submissions-for-c-conf-end-june-8 2012-06-06T00:00:00.000Z Update : Deadline is now the end of June 13th (Wednesday) “ Everyone uses C to implement interesting things. ” This is the core idea that drove me to start working on The C Conference . From... https://ifup.org/blog/c-conf-and-the-osuosl 2012-04-27T00:00:00.000Z tl;dr OSUOSL == awesome, I have am organizing C Conf and will donate part of the revenue to the OSUOSL. I owe the Oregon State University Open Source Lab (OSUOSL) a debt for the boost they gave to my... https://ifup.org/blog/cheekh-growl-from-your-vm-or-desktop 2011-11-29T00:00:00.000Z Desktop notifications are great for notifying you about long running processes like tests or compiles. But, at work we use Vagrant , so alot of compiles and tests take place inside of a virtual... https://ifup.org/blog/bowed-radio-hosted-by-me 2011-04-15T00:00:00.000Z I have been a long time listener of the podcast Bowed Radio . So, when Mark put out a call for collaboraters I jumped on board and figured out how I could help. The result is my first ever podcast... https://ifup.org/blog/build-service-action-menu-ui 2011-02-24T00:00:00.000Z Last week I wrote a few patches to improve the UI of the build service. The first of these patches were accepted but the removal of the Actions menu wasn’t as well liked. This was the proposal:... https://ifup.org/blog/fixing-open-build-service-ui-gripes 2011-02-17T00:00:00.000Z The openSUSE Build Service is the tool that openSUSE developers use to build the packages that make up the distro. To the regular openSUSE user and contributor it does its job well. However, anyone... https://ifup.org/blog/os-x-fast-window-management 2011-02-06T00:00:00.000Z Recently I started using OS X for a few personal projects. One of the most annoying aspects of OS X vs Linux is Window management. GNOME has a lot of nice shortcuts and a simple powerful virtual... https://ifup.org/blog/reverse-path-filter-rp_filter-by-example 2011-02-03T00:00:00.000Z Recently, I ran into an rp_filter change for all Kernels after 2.6.31. So read along for an explanation of both the sysctl change and a practical example of rp_filter usage. Lets say you had the... https://ifup.org/blog/linux-plumbers-conf-2010 2010-11-01T00:00:00.000Z I will be heading to Cambridge tomorrow to attend Linux Plumbers Conf 2010. It is nice to have a change of venue this year and I have appreciated having a break from being a member of the planning... https://ifup.org/blog/ghar-managing-your-home-in-git 2010-10-31T00:00:00.000Z For awhile I have struggled with rsyncing dotfiles between my development machines, laptop and workstation. As a Kernel developer I usually have one or more machines in a half broken state so being... https://ifup.org/blog/systemd-on-opensuse-11.3 2010-07-22T00:00:00.000Z WARNING: this could cause your machine to stop booting, experienced Linux admins only. :) Systemd is a new init system being written by Lennart, Kay and many others. If you want to give it a try on... https://ifup.org/blog/bandar-patch-monkey-tools-for-mutt 2010-07-15T00:00:00.000Z I was looking at a way of taking patches from mailing lists and importing them into my devel tree with quilt. Thankfully Greg KH had some scripts already and we both cleaned them up a bit. The result... https://ifup.org/blog/greasemonkey-makes-real-estate-fun 2009-05-13T00:00:00.000Z Nisha and I started seriously looking at getting a house recently. It being the 21st Century means large amounts of our house hunting time will be spent on the Internet; specifically rmlsweb.com a... https://ifup.org/blog/linux-plumbers-conference-call-for-topics 2009-02-17T00:00:00.000Z The Linux Plumbers Conference focuses on a collection 2.5 hour microconferences that gather experts together to discuss and develop solutions to emerging problems that affect the Kernel, libraries... https://ifup.org/blog/the-right-tool-for-the-job-git-stitch-repo 2009-02-07T00:00:00.000Z I maintain the acl and attr packages for SuSE and I was bitten by a bug twice last month because these two packages both have a copy of a utility library called libmisc. In summary: I fixed the acl... https://ifup.org/blog/freedomhec-taipei-wrap-up-notes 2009-01-15T00:00:00.000Z [/caption] FreedomHEC Taipei is a conference where hardware engineers are invited to learn how easy it is to make their hardware work with Linux. This was the first year for the event and it took... https://ifup.org/blog/freedomhec-taipei-november-20-21-2008 2008-09-25T00:00:00.000Z Hot on the heals of LPC is another event I am helping to organize. :D If you are involved in Linux driver development please consider giving a talk at FreedomHEC Taipei. FreedomHEC Taipei FreedomHEC... https://ifup.org/blog/linux-plumbers-conf-huge-success-and-looking-to-2009 2008-09-24T00:00:00.000Z Linux Plumbers Conf was a huge success due to the huge amount of effort put forth by the organizers and the great turnout of attendees. Thanks to everyone! A highlight of the conference, for me, was... https://ifup.org/blog/example-code-socket-server-and-client-using-select 2008-08-30T00:00:00.000Z I spent the last hour re-familiarizing myself with Unix sockets via man-pages and HOWTOs. I have written client/server socket apps a dozen times before but because of iterative development I no... https://ifup.org/blog/linux-plumbers-conf-speakers-early-bird-registration-v4l-microconf 2008-08-17T00:00:00.000Z The Linux Plumbers Conf early bird registration is drawing to a close- grab a cheap seat while you still have time. Need a bit more convincing? Check out our speakers list . We released our speaker... https://ifup.org/blog/its-a-good-time-to-be-on-twitter 2008-02-14T00:00:00.000Z Twitter is a micro-blogging platform resting somewhere in between IRC and e-mail. It is a nice informal way of staying in touch and people are inclined to use it because of the quick and easy format.... https://ifup.org/blog/six-weeks-to-robot-at-ignite-portland 2008-02-09T00:00:00.000Z Recently I presented at Ignite Portland and a video has been published on YouTube . The event was rockin' and being a part of the whole thing was amazing. If you weren't able to make it you really... https://ifup.org/blog/first-robotics-ignite-portland-2 2008-01-30T00:00:00.000Z Woo! I sent my slides off for my Ignite Portland 2 talk this afternoon (late, sorry). Assembling the twenty slides for my presentation took nearly 6 hours. You see, at Ignite the presenter has no...