Author: Rumi

Hasan T. Emdad is an ICT Solution Architect, Project Manager with 12+ year expertise in HW selection, OS expertise on Linux and MS, Supervising Application SW on Pearl, Java, dot Net and PHP with DB experience of MySQL, Postgre, MS and Oracle. He was involved in setting up several Turn Key ICT including Telecom based projects on various government and autonomous bodies in the country. Developed more than 50 applications running with different operators and users. Managing a team of more than 10 in-house engineers and developers and manages an outsourcing team experts and contributors. Very recently engineered Public Key Infrastructure (PKI) on Enterperise and Root Certifying Authority and deployed scalable Cloud Computing and Managed Services. He has post graduated (MBA) from University of Dhaka, Bangladesh.

Updated Repository of Debian 10 (Aug 2025)

Rumi,

Standard sources.list for Debian 10 “Buster” Open the sources.list file with a text editor. Using nano is a common choice:bash sudo nano /etc/apt/sources.list Replace any existing lines with the following code. This configuration includes the main, contrib, and non-free components from the archive.bash deb http://archive.debian.org/debian/ buster main contrib non-free deb…

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Deploye Minio using docker

Rumi,

Here’the docker compose file to run: version: ‘3.8’ services: minio: image: minio/minio:RELEASE.2024-06-26T01-06-18Z container_name: minio ports: – “9000:9000” – “9001:9001” volumes: – /mnt/data/minio:/data environment: MINIO_ROOT_USER: minioadmin MINIO_ROOT_PASSWORD: minioadmin command: server /data –console-address “:9001” Src: https://hub.docker.com/r/minio/minio/tags?name=RELEASE.2024-06-26T01-06-18Z

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Install valkey ubuntu 22.04

Rumi,

Install using the Percona repository This method ensures you get the latest version of Valkey and a consistent experience across different systems.  Add the Percona repository. The percona-release tool automatically adds the necessary repository and public keys.sh sudo apt update sudo apt install gnupg2 lsb-release -y wget https://repo.percona.com/apt/percona-release_latest.generic_all.deb sudo apt…

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Removing CEPH from Proxmox Cluster

Rumi,

I found this works well to completely remove ceph and config: systemctl stop ceph-mon.target systemctl stop ceph-mgr.target systemctl stop ceph-mds.target systemctl stop ceph-osd.target rm -rf /etc/systemd/system/ceph* killall -9 ceph-mon ceph-mgr ceph-mds rm -rf /var/lib/ceph/mon/ /var/lib/ceph/mgr/ /var/lib/ceph/mds/ pveceph purge apt purge ceph-mon ceph-osd ceph-mgr ceph-mds apt purge ceph-base ceph-mgr-modules-core rm -rf…

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Install Jitsi on Ubuntu 22.04 / 22.10

Rumi,

Make sure your system is up-to-date and required packages are installed: Run as root or with sudo: # Retrieve the latest package versions across all repositories sudo apt update # Ensure support for apt repositories served via HTTPS sudo apt install apt-transport-https On Ubuntu systems, Jitsi requires dependencies from Ubuntu’s universe package repository. To ensure…

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Key Lessons in life

Rumi,

14. Life Is Good: Life is not fair and doesn’t treat everyone equally but this is because every human being is different from the other, and that is why life isn’t the same for everyone. The honest truth is; while life isn’t fair, it’s still worth living. While there will…

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Add Physical Drive in Proxmox VM Guest

Rumi,

Step-1: Check the block disk status- lsblk Step-2 Check the blockid of the system- blkid Step-3 Now list the device by ID- ls -n /dev/disk/by-id/ Now add the disk to the Virtual Machine Instance- /sbin/qm set 105 -virtio1/dev/disk/by-id/ata-HGST_HGH728570ALE604_VKGRZ09X Here- 105- is the VMID virtio1- is the disk ID number, assuming…

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