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I enabled the fediverse integration on my wordpress blog, and I’m wondering how it works.
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Last year at around this time I wrote a post about how I hadn’t been writing posts lately, and how I wondered whether it made sense to re-up my wordpress.com subscription, and how I went ahead and re-upped it anyway. I went on to talk about a few of the things I might blog about, driven on by that re-upping, and by having written about potentially writing about those things. Well, I didn’t write any more posts in the twelve…
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My annual resubscription to this wordpress.com instance has come and gone again, and, as in the previous few years, I thought: “Should I renew? “Well, you still want to have a blog, even if you don’t, uh, write blog posts.” “But what about how I always get annoyed with wordpress, and always want to Blog Like a Hacker?” “You set all that up already, remember, with git and everything, and then set it up again, and you still weren’t writing…
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I recently wrote about getting up and running with kubeadm and Fedora CoreOS, which I got working, but which sent me into a miniature funk of uncertainly over various little integration issues. First, I was getting around the lack of support in rpm-ostree for rpms that place stuff in /opt, which isn’t a traditional place for package managers to put stuff, but which is where kubeadm puts its cni binaries, for historical reasons. I got the Fedora package that provides the…
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There are many different ways to bring up a Kubernetes cluster, but the simplest option I’ve found for getting up and running with a single or multi-node cluster involves a tool called kubeadm, for which the Kubernetes project maintains good installation and configuration docs. These docs include directions for hosts running Debian/Ubuntu, RHEL/CentOS and Container Linux, but the host I’m interested in is Fedora CoreOS — the successor project to Container Linux and Fedora Atomic, which is currently available as…
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Fedora Atomic Host comes bundled with a version of Docker based on this project atomic repo that moves no faster than the upstream Kubernetes project can abide (currently docker-1.13.1). This means that Fedora Atomic pretty much always ships with an older version of docker than what’s available from Docker Inc. However, through the magic of rpm-ostree package layering, you can replace that older, baked-in docker with the very latest docker-ce. Here’s how: First, grab the repo file for docker-ce. Then…
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I just came across this Little Guide to Kubernetes Install Options, which covers a few options I’ve heard of, and a few options I haven’t heard of. It doesn’t mention the main way that I deploy Kubernetes, which is through the Ansible scripts from the kubernetes/contrib repository. The post does point to another Ansible-based option, though, and I wondered whether this one, called Kubespray (nee Kargo) would work with Atomic Hosts. I installed kubespray: I generated an inventory for a…
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At the end of last week, I spied an exciting tweet about oVirt: Not long after I started using oVirt and Gluster together, the projects started talking about a way to improve Gluster performance by enabling virtualization hosts to access Gluster volumes directly, using Gluster’s libgfapi, rather than through a FUSE-mounted location on the virtualization host. There was a little bit of fit and finish work to be done, and then we’d all be basking in the glow of ~30%…
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A month or so ago I jotted down some notes on using ansible to set up a kubernetes cluster on atomic hosts with kubernetes running in regular docker containers and flannel and etcd running in system containers. I’ve been working on turning my kube containers into system containers. Three reasons jump to mind: I want to run my kube containers via systemd, and system containers come with systemd unit files rolled in and deployed automatically when you run atomic install…
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A few of the projects I work with use static websites based on middleman, which you can run locally to see how your edits, or those of others, will look on the live site when they’re merged. Each of these sites defaults to port 4567 when running locally, so if I’m running more than one of them at a time, they complain that their favored port is already taken. It’s easy enough to fire up middleman on a different port,…
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