Linux

Hardware

Flash LSI SAS9211-8i in VMware Hypervisor

LSI adapters could be easily upgraded without preparing a FreeDOS boot media or playing with UEFI.

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Sakuragawa Asaba

25 May 2019 · 2 min read

Open Source

Bare Metal Installation of GlusterFS and Heketi

GlusterFS is a popular solution for distributed storage. To provide persistent storage for Kubenetes cluster from GlusterFS cluster, Heketi is spreadly used as an API.

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Sakuragawa Asaba

15 Nov 2018 · 2 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?

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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.

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Sakuragawa Asaba

15 Aug 2018 · 1 min read

Linux

Quick Reference Handbook: Setting Up Fedora Workstation Installation

Fedora Workstation is a up-to-date and easy-to-use GNU/Linux distribution. After installing Fedora Workstation 28, some tweaking work could be done to make the system more comfortable.

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Sakuragawa Asaba

2 Jul 2018 · 2 min read

Linux

Hands on OpenShift Origin

OpenShift is an even-more-popular container cloud. It could be hosted by redhat.com via openshift.com or it can be self-hosted. I'm playing with OpenShift under Fedora 27 Cloud, on

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Sakuragawa Asaba

30 Nov 2017 · 2 min read

Linux

Setting Up Secured Work-spaces with YubiKey 4

I recently switched to Fedora 26 (due to working environment) and I would like to use YubiKey to maximize security and re-use existing credentials.

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Sakuragawa Asaba

14 Nov 2017 · 2 min read

Linux

Some Thoughts on Linux/Unix Distributions

One of my classmates are busy implementing a DHCP server and a client for Linux/Unix as his coursework. He is absolutely total green to GNU/Linux while I have

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Sakuragawa Asaba

16 Jun 2017 · 6 min read