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This will fail (if you use hostnames) at: TASK [flannel : Load the flannel config file into etcd] because we need this PR in the Fedora etcd system container. You can work around by sshing into your master, and editing the resolv.conf inside of your etcd system container to match the host, exiting, and re-running the script. That should work. This involves a bunch of changes to use docker containers for kube and use system containers for flannel and etcd.…
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I’ve been paying extra attention to the news these days, because of the election, so I’ve been having lots of interactions with the Washington Post’s “You Have X Free Articles Left This Month” subscription nag screens, and the similar ones from the New York Times. Sometimes, I ridiculously pause before clicking on a link, wondering whether I have free articles left and whether I should click. When I find myself clicking on links to my hometown San Francisco Chronicle, it’s…
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Followup to my post yesterday about WordPress, me, and insufficient delight. I mentioned that my editor fonts look crappy. I noticed that as of version 4.6, the dashboard is supposed to take “advantage of the fonts you already have, making it load faster and letting you feel more at home on whatever device you use.” It may be doing that for fonts outside of the HTML editor tab, but for that tab, it isn’t using my chosen monospace font. I…
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I’ve switched blog engines from WordPress to Middleman (a static website engine) and back to WordPress, with various other static engine experiments in between. I switched back to WordPress, on a premium subscription, because WordPress started supporting markdown, which I like, and because WordPress is open source software (with open source comments support), which I also like. What’s more, paying for hosting through Automattic means not having to mess with WordPress updates myself, and means helping to support a legit…
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Version 1.4 of Kubernetes, the open-source system for automating deployment, scaling, and management of containerized applications, included an awesome new tool for bootstrapping clusters: kubeadm. Using kubeadm is as simple as installing the tool on a set of servers, running kubeadm init to initialize a master for the cluster, and running kubeadm join on some nodes to join them to the cluster. With kubeadm, the kubelet is installed as a regular software package, and the rest of the components run…
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I’ve written recently about running kubernetes in containers on an atomic host. There are a few different ways to do it, but the simplest method involves fetching and running the Debian-based container provided by the upstream kubernetes project. Debian is awesome, but I’m team RPM — when I run containerized apps, I tend to base them on CentOS or Fedora. If I can run kubernetes itself from an image based on one of those distros, I can save myself some…
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The atomic hosts from CentOS and Fedora earn their “atomic” namesake by providing for atomic, image-based system updates via rpm-ostree, and atomic, image-based application updates via docker containers. This “system” vs “application” division isn’t set in stone, however. There’s room for system components to move across from the somewhat rigid world of ostree commits to the freer-flowing container side. In particular, the key atomic host components involved in orchestrating containers across multiple hosts, such as flannel, etcd and kubernetes, could…
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While (pretty much) everyone who’s using docker is running it on Linux, and while lots of people run docker on their laptops and desktops, most aren’t running it directly on Linux desktops and laptops. Instead, most individual docker users are relying on some sort of purpose-built Linux distribution running as a virtual machine on their Mac or Windows machine. However, if you are (like me) running Linux on your desktop, you can run docker containers right on your bare metal,…
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Originally posted on WordPress.com News: Today we are excited to announce free HTTPS for all custom domains hosted on WordPress.com. This brings the security and performance of modern encryption to every blog and website we host. Best of all, the changes are automatic — you won’t need to do a thing. As the EFF points out as part of their Encrypt the Web initiative, strong encryption protects our users in various ways, including defending against surveillance of content and communications,…
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I’ve been sort of trying to get blogging again on WordPress lately, and as part of that, I’ve been paying more attention to the blogs I’m following using the WordPress Reader function. Recently, on Om Malik’s blog, I saw this item, pointing to the blog of photographer Eric Kim: I clicked because I’ve been thinking grumbling thoughts lately about Instagram and its Twitter preview hiding ways. OK, yeah, algorithm hate — it seems that every social network eventually adds features…
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