Cloud 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
Cloud Etcd does not Start after Disk is Full Restoring etcd is not an easy task - even today. Sakuragawa Asaba 22 Nov 2021 · 5 min read
Cloud Better Home Storage: MergerFS + SnapRAID on OpenMediaVault There is a way to enjoy some benefits from RAID without "real RAID" - and a supplement to scheduled cold backup for home data storage. Sakuragawa Asaba 31 Oct 2021 · 3 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 EnvironmentTo replace certificates automatically, Ansible is 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
Network Connect Wi-Fi in a WPS (Push Button) Way with OpenWRT I thought it was hard to pair device by WPS with OpenWRT, but I was wrong. According to the official wiki, it could be simply configured by adding some lines Sakuragawa Asaba 18 Sep 2020 · 1 min read
Open Source VT-d, vfio and GPU passthrough, Virtualization in a nutshell (RHEL8) It's really an bad idea to build a machine just for gaming so when an unexpected hardware arrives to my hand: A free RTX-2060 super but without a machine to Sakuragawa Yuugiri 7 Jun 2020 · 4 min read
Open Source Switching from Atom to VSCodium Atom is a flexible and powerful editor made by GitHub. I have been coding with it for years and I loved it. But it takes up many resources including CPU Sakuragawa Asaba 9 May 2020 · 2 min read
Cloud Kubernetes external LoadBalancer and Nextcloud deployment Previous StatusContinue on previous post 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/ The Kubernetes cluster bootstrapping is complete and the Flannel network takes the charge Sakuragawa Yuugiri 29 Apr 2020 · 7 min read
Server Upgrade OMV 4 to 5: A Painful Path OpenMediaVault, as a popular NAS solution, has released "Usul" for months. Somehow there is no built-in ways to upgrade between major releases. The actual best upgrade solution is a clean installation. Sakuragawa Asaba 17 Apr 2020 · 5 min read
Linux Debugging: MISCONF Redis is configured to save RDB snapshots This error occurs because of BGSAVE being failed. A lot of the times BGSAVE fails because the fork can't allocate memory. Many times the fork fails to allocate memory (although the machine has enough RAM available) because of a conflicting optimization by the OS. Sakuragawa Asaba 26 Nov 2019 · 2 min read
Cloud Deploy Ceph storage and CSI for pods consume in Kubernetes Home Lab Previous StatusContinue on previous post https://blog.sakuragawa.moe/simple-homebrew-kubernetes-deployment/ And this should be suitable for any working Kubernetes cluster with some storage node. The Kubernetes cluster bootstrapping is complete Sakuragawa Yuugiri 19 Nov 2019 · 6 min read
Linux Simple home lab Kubernetes cluster deployment Before this noteRecently 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 cost Sakuragawa Yuugiri 15 Oct 2019 · 8 min read
Open Source Adding Footnotes to GitHub-flavored Markdown GitHub Flavored Markdown doesn't support footnotes, but it could be faked with superscript tags. It could be even made clickable here as well. Sakuragawa Asaba 14 Mar 2019 · 1 min read