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
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 [https://openwrt.org/docs/guide-user/network/wifi/basic], it Sakuragawa Asaba 18 Sep 2020 · 1 min read
Getting Started Some Tips on Telegraph (2020) What and Why Telegraph? Telegra.ph [https://telegra.ph], or Telegraph is a publishing platform hosted by Telegram. It could be used to publish blog or any other articles, either Sakuragawa Asaba 14 Aug 2020 · 2 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
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
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 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
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
Getting Started Writing with LaTeX Just as what other tools I use every day, Linux and Vim, they are all unfriendly tools to beginners. However, when you get familiar with them, you can find that they are the best tools you can find in the world. Oikawa Kirie 20 Mar 2020 · 5 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
Getting Started Building (Old Version) Caffe in Conda A note of problems and solutions to compilation of an old version of caffe to verify 3Dpose_ssl project. Sakuragawa Error 24 Dec 2019 · 9 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
Getting Started Quick Reference Handbook: Notes on Metadash Development Server Metadash is powered by Node.js and Flask. Simliar projects could be brought up with tiny adjustment. Sakuragawa Asaba 20 Nov 2019 · 3 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