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Creating a XEN guest and tidbids in CLI

Rumi, April 7, 2023

INSTALLING A GUEST DOMAIN (“DOMU”) Now that the Xen hypervisor/Dom0 virtual machine is configured and up and running, it’s time to configure and create a DomU. Just like we did in the Debian 9 tutorial, we will now install and use the xen-tools package to automate the steps involved in creating a…

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Broadcast Private Movie Channel Using OBS-Nginx RTMP

Rumi, April 7, 2023

I just liked the simple process over here, althourhg the view title is a bit confusing, but I believe this is what the audthor wanted to express-

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Cloudmin-GPL XEN on Debian 10

Rumi, April 7, 2023April 7, 2023

This article is inspired and prepared on the forked Cloudmin Xen script updated for Debian 10. However, the following procedures to be followed as precuationary before executing the updated script, which is available in this post in below section. PHASE-I Prepare Environment for XEN INSTALLING THE XEN HYPERVISOR AND HOST/CONTROL…

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Reset Webmin Password

Rumi, April 4, 2023

Open a terminal or command prompt on the server where Webmin is installed. Navigate to the Webmin installation directory. The default location is /usr/local/webmin cd /usr/local/webmin To change password run command:on RedHat distributions (i.e. Fedora, CentOS, Gentoo, etc.): /usr/libexec/webmin/changepass.pl /etc/webmin admin newPassword on Debian distributions (i.e. Debian, Ubunto, etc.): /usr/share/webmin/changepass.pl…

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Disable Last Login Message on Linux using hushlogin

Rumi, March 28, 2023

Single user To permanently suppress a Last Login message as per on user basis, create a hidden .hushlogin file inside a user’s home directory. For example to suppress a Last Login message for the linuxconfig user, we would run this command: $ sudo touch /home/linuxconfig/.hushlogin Similarly to suppress a Last Login message for the root user,…

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Create a local ISO SR at XCP-NG

Rumi, March 22, 2023

From the CLI: Create a directory on the local filesystem to storage your ISOs Copy/move ISOs to this new location Create the ISO SR using xe sr-create You can add or update ISOs later by placing them into the directory you created in step 1 Rescan the SR if you…

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Add User to Sudoers on CentOS

Rumi, March 21, 2023March 21, 2023

You can do this in 2 methods- however, IMHO method-2 usually works great for me. Method-1 Step 1: Verify the Wheel Group is Enabled Your CentOS 7 installation may or may not have the wheel group enabled. Open the configuration file by entering the command: visudo Scroll through the configuration…

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Install Xen Orchestra on Ubuntu 20

Rumi, March 21, 2023

Prework apt-get update && apt-get dist-upgrade Node.js For this particular installation node 16 is needed to be installed. Lets install- Add NodeSource PPA This command will add PPA sources required to be able to install NodeJS 16 on your Ubuntu 20.04 installation: curl -s https://deb.nodesource.com/setup_16.x | sudo bash Install NodeJS…

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Flushing IPTables rule and allow all traffic for Debian or Ubuntu

Rumi, March 20, 2023

Flushing all iptables chain rules shell script #!/bin/sh echo “Stopping IPv4 firewall and allowing everyone…” ipt=”/sbin/iptables” ## Failsafe – die if /sbin/iptables not found [ ! -x “$ipt” ] && { echo “$0: \”${ipt}\” command not found.”; exit 1; } $ipt -P INPUT ACCEPT $ipt -P FORWARD ACCEPT $ipt -P…

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Varnish sample vcl for rtmp / m3u8 stream

Rumi, March 18, 2023

vcl 4.0; import std; backend default { .host = “127.0.0.1”; .port = “8090”; } acl purge { “127.0.0.1”; } sub vcl_recv { if(req.method == “PURGE”){ if (!client.ip ~ purge) { return(synth(405,”Not allowed.”)); } return (purge); } return (hash); } sub vcl_backend_response { if (bereq.url ~ “m3u8”) { # assuming chunks…

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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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