Open Source - # journalctl -xeu "Sakuragawa"

Install FreeDOS - but Manually

FreeDOS is free DOS - not only as in free beer, but also as in free will. FreeDOS provides Live CD and USB installer, but how if one wants Live USB? We can install the transfer the system and install packages manually.

Sakuragawa Asaba

9 Dec 2022 · 2 min read

Proxmox VE for Workstation: Configure GPU Passthrough

Proxmox VE is an 0pen-source software server for virtualization management. It is chiefly designed for servers, but it is also great for workstations. Imagine you can have separated workspaces that run different operating systems, and they can run simultaneously!

Sakuragawa Asaba

27 Sep 2022 · 2 min read

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

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

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

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 · 4 min read

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

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

Sakuragawa Asaba

4 Nov 2020 · 1 min read

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

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

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

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

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

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

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