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Build PPPoE server using PfSense

Rumi, June 29, 2022

Before building a PPoE system, it is estimated to assume that we’re building it on the following principal and prerequisite conditions- It’ll be a NAT PPPoE router At least 2 Interface we’ll be needing- 1 for WAN/Internet/Uplink and the other for LAN/PPoE user. A reserved LAN IP for PPPoE server…

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Enabling Ping requests to OCI Instance

Rumi, June 29, 2022

If you want to test with Ping requests you’ll need to modify the Ingress rules on the security list associated with the VCN, Subnet, network device, thing, what ever, to allow ICMP packets. Allowing ICMP traffic is not required, it’s an option. Please only take this option if you understand…

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Generating an SSH Key Pair on Windows Using the PuTTYgen and use it on OCI with machine instance

Rumi, June 29, 2022

The PuTTYgen program is part of PuTTY, an open source networking client for the Windows platform. To generate an SSH key pair on Windows using the PuTTYgen program: Download and install PuTTY or PuTTYgen.To download PuTTY or PuTTYgen, go to http://www.putty.org/ and click the You can download PuTTY here link….

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Convert VirtualBox VM to ProxMox VE

Rumi, June 24, 2022June 24, 2022

On the VirtualBox host, launch VirtualBox Right click the VM to convert > Settings Select Storage from the left navigation Click the virtual hard disk and copy the Location value for the full path of the disk to the clipboard Right click on the Start menu > Run > type…

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Clean RDP Sessions

Rumi, June 18, 2022

Just found it useful with the garbage of RDP session to clean- Paste the below lines on a notepad and rename it- rdp_clean.bat. Execute the batch file through cmd line as admin user. @echo off reg delete “HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default” /va /f reg delete “HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers” /f reg add…

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Install MariaDB 10 on Centos or Springdale Linux

Rumi, June 18, 2022

Step 1: Add MariaDB Yum Repository Start by adding the MariaDB YUM repository file MariaDB.repo for RHEL/CentOS and Fedora systems. # nano /etc/yum.repos.d/MariaDB.repo Now add the following lines to your respective Linux distribution version as shown. [mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.1/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1

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Disable ipv6 on Linux Machine

Rumi, June 18, 2022

Disable on Centos/RHEL system: 1. Append below lines in /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 NOTE : To disable IPv6 on a single interface add below lines to /etc/sysctl.conf : net.ipv6.conf.[interface].disable_ipv6 = 1 ### put interface name here [interface] net.ipv6.conf.default.disable_ipv6 = 1 2. To make the settings affective, execute…

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Install Development Tool on CentOS and Debian

Rumi, June 17, 2022

Well, in my working domain I face these tools to be installed, so that most of the dependent tools or programs that need to be deployed later don’t face much of dependency issue. So here goes the installation process for both the OS. On CentOS/RHEL system use the follwoing command…

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Install Proxmox VE 7 on Debian 11 (Bullseye)

Rumi, June 17, 2022July 18, 2023

Step 1: Update Debian OS Ensure your Debian 11 (Bullseye) operating system is upgraded. sudo apt -y update && sudo apt -y upgrade Once the upgrade process is complete, reboot the server sudo systemctl reboot Step 2: Set Proxmox Server hostname Let’s set a hostname on the server sudo hostnamectl…

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Delete Old Unused Kernels in Debian

Rumi, June 17, 2022

To find out the current version of Linux kernel running on your system, use the following command. $ uname -sr Linux 4.12.0-041200-generic To list all installed kernels on your system, issue this command. $ dpkg -l | grep linux-image | awk ‘{print$2}’ linux-image-4.12.0-041200-generic linux-image-4.8.0-22-generic linux-image-extra-4.8.0-22-generic linux-image-generic Remove Old Unused Kernels…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Computing and Public Key Infrastructure Savvy from Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & Naitonal PKI Root and Enterprise 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) and at Oracle Corporation as Principal Technology Solution (Cloud) Architect.

And currently being employed at Huawei Technologies (Bangladesh) Ltd. as Advanced Business Development Lead (Cloud) in the south asia region.

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

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