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Hetzner Setups its amazing

Rumi, January 20, 2023
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Proxmox GUI webpage stuck on loading

Rumi, January 8, 2023

Connection time out!!!! So boring nah? I can’t figure out where the problem is. It works and then couple of hours later I’d come back and it keeps on loading forever. SSH works fine, can SSH into containers as well. Just the GUI doesn’t work. Tried full upgrade. Checked for…

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Zimbra Let’s Encrypt SSL Script

Rumi, December 28, 2022

#!/bin/bash -x # SSL certificate installation in Zimbra # with SSL certificate provided by Let’s Encrypt (letsencrypt.org) # Check if running as root if [ “$(id -u)” != “0” ]; then echo “This script must be run as root” 1>&2 exit 1 fi read -p ‘letsencrypt_email [mail@server]: ‘ letsencrypt_email read…

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Setup HAProxy Load Balancer for MariaDB Galera Cluster

Rumi, December 28, 2022December 28, 2022

If you check the above test scenario and try to create DBs on any of the nodes, you would see that the data would automatically sync between the nodes. Which means Availability is achieved. Now to achieve high availability we will use HaProxy as the loadbalancer. Set up another VM…

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MariaDB Galera Cluster on Ubuntu 20

Rumi, December 28, 2022December 28, 2022

MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB with support for XtraDB/InnoDB storage engines. It has the following top features. It provides active-active multi-master topology You can read and write to any cluster node It has an automatic node joining Automatic membership control, failed nodes drop from the…

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Installer for jitsi-meet, jigasi and jibri

Rumi, November 19, 2022

Found this lovely code base (that actually worked) on github, supported on a debian 10/11 or ubuntu 20+ versions- The script (jitsi_setup.sh) can be used to install stable version of all 3 on a stand-alone server. This is simply a script version of quick-install document at https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-quickstart It Installs below…

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Mount CDROM to Pfsense

Rumi, November 19, 2022

Go to a shell. Make a directory to mount the CD at: mkdir /tmp/cdrom Mount the CD: mount_cd9660 /dev/acd0 /tmp/cdrom or mount_cd9660 /dev/cd0 /tmp/cdrom CD is now mounted at /tmp/cdrom. When finished unmount: umount /tmp/cdrom * Note: If your cdrom device is not acd0, check the bootup messages for the…

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Running pfSense in a XenServer with xenguest

Rumi, November 19, 2022

If you deploy pfSense on a XenServer, you may be shocked at the performance loss-specially on interface speed! But wait, there are some tweaks to make this usable. Installing pfSense Go ahead and setup pfSense like normal, and when you are done, perform the following tweaks. (the day till it’s…

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Build WAF with Reverse Proxy Load Balancer using Nginx

Rumi, November 16, 2022

Getting Started First, it is recommended to update and upgrade all your software packages to the latest version. You can update all of them by running the following command: apt update -y apt upgrade -y Once all the packages are updated, install other required packages with the following command: apt…

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M3U Restream

Rumi, November 15, 2022

There’s a wonderful piece of microservice node.js based restream utility, that let you re-stream from a source and also do the ffmped transcoding if you’d like. I just liked the piece! My installed OS was Ubuntu 18.x and I used node version 12.x. The problem You have an IPTV provider…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker endian icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix powerdns Proxmox RDP squid SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin XCP-NG zimbra

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