Container Labels in OpenShift 3 Web Console Labels are used to match application names and resources in OpenShift 3 Web Console. Sakuragawa Asaba 19 Apr 2022 · 1 min read
Container Setting up Containerized FreeIPA & KeyCloak Single Sign-On Explore the Red Hat solution on LDAP + OIDC / SAML. Sakuragawa Asaba 9 Dec 2021 · 6 min read
Container Rancher Server on RKE Deployment RKE is a CNCF-certified Kubernetes distribution that runs entirely within Docker containers. It could be configured and provisioned from simple configuration. Plus the easy-to-use Rancher Server as a Web UI running on the cluster, we can have a truly self-hosted Kubernetes cluster. Sakuragawa Asaba 18 Apr 2021 · 5 min read
Container Using Linux Containers (LXC) on Fedora Linux containers, or LXC, is a lightweigt yet powerful container solution. It can run applications or distros but share the same kernel and hardware resources and persistently. This is not a cutting-edge technology and is fully supported in Fedora. Sakuragawa Asaba 10 Mar 2021 · 3 min read
Linux Notes on Redis Operation Some common problems and solution to containerized Redis deployment. Sakuragawa Asaba 12 Dec 2020 · 1 min read
Container Update (Renew) Certificates in OpenShift (OKD) 3 Server certificates are used to provide encrypted traffic (HTTPS) in OpenShift. When a certificate is near expiration, renewal and replacement is needed. Prepare the Environment To replace certificates automatically, Ansible Sakuragawa Asaba 10 Nov 2020 · 1 min read
Container Helm 2 on OpenShift (OKD) 3 Install the popular Kubernetes package manager and enable cluster-wide install ability. Helm 3? No Way! OpenShift 4 has built-in integration with Helm 3. Yet OpenShift 3 does not feature any Sakuragawa Asaba 4 Nov 2020 · 1 min read
Linux Write Freely - Host WriteFreely in Containers WriteFreely is a blogging and publish tool as well as an important part of the Fediverse network. It is lightweight and easy to host. However, the official Container (Docker) setup is not even correct. So here comes a working deployment notes. Sakuragawa Asaba 26 May 2020 · 2 min read
Cloud Kubernetes external LoadBalancer and Nextcloud deployment Previous Status Continue on previous post https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/ [https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/] And post https://blog.sakuragawa.moe/deploy-ceph-storage-and-csi-for-pods-consume-in-kubernetes-home-lab/ [https://blog.sakuragawa.moe/deploy-ceph-storage-and-csi-for-pods-consume-in-kubernetes-home-lab/] The Kubernetes Sakuragawa Yuugiri 29 Apr 2020 · 7 min read
Container Container + Python 2 and Virtualenv: Does It Actually Work? My GitLab CI used to play very well with container runners. It started to get wrong. After a night of hardwork, I have the solution now. But I still don't know the answer. All I could tell is that virtualenv is a useful tool but not a reliable one. Sakuragawa Asaba 12 Feb 2020 · 8 min read
Cloud Deploy Ceph storage and CSI for pods consume in Kubernetes Home Lab Previous Status Continue on previous post https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/ [https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/] And this should be suitable for any working Kubernetes cluster with some storage node. Sakuragawa Yuugiri 19 Nov 2019 · 6 min read
Linux Simple home lab Kubernetes cluster deployment Before this note Recently I have build a in house tower server for self use, development, experiment of things. I could try Kubernetes labs or Public OpenShift infrastructure but the Sakuragawa Yuugiri 15 Oct 2019 · 8 min read
Container Bare Metal OpenShift (OKD) 3.11 with GlusterFS Persistent Storage Setting up a OpenShift Origin (OKD) cluster with containerized GlusterFS, customized self-signed CA certificates and trouble shooting. Sakuragawa Asaba 6 Dec 2018 · 5 min read
Cloud Hands-on Rancher Container Cloud Days before, I migrated docker-compose services to Rancher container cloud. I will demostrate how I deploy Gitea, a popular self-hosted coding hosting software, with full Web UI and native-like SSH functionality. Sakuragawa Asaba 5 Sep 2018 · 3 min read
Cloud From OpenShift 3.7 to OKD 3.10: A Painful Upgrade One of our internal production is running an OpenShift 3.7 cluster. As OKD 3.10 is rolling out, 3.7 is far too old and missing some useful new features. "Let's get it upgraded!" I shouted out, and nightmares started too to pour out. How did I break it? How should I fix it? Sakuragawa Asaba 28 Aug 2018 · 5 min read
Container Use Docker Volumes with Local Filesystem Path and NFS In docker containers, volumes could be mounted as a file or a path. Docker volumes could be even shared among containers, and provides same experience upon different backends. Sakuragawa Asaba 15 Aug 2018 · 1 min read
Cloud Deploy Granafa with Prometheus and OAuth2 on OpenShift Grafana has an official docker image. Though permission problems occurred in previous versions, it can running flawlessly. There is also an example in OKD. We will start with the examples, but also do further configuration with data sources and dashboards. Sakuragawa Asaba 13 Aug 2018 · 4 min read
Container Gitea in Docker Container and Sharing SSH with Host Gitea is an open-source GitHub clone. Gitea is developed with Golang and is much lighter than GitLab while providing most useful functions. It also has a similary user experience as GitHub does. Since Microsoft is acquiring GitHub, Gitea is a good choice for self-hosting lightweight solution. Sakuragawa Asaba 12 Jun 2018 · 2 min read