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.

XOA on XCP-NG import and install

Rumi, August 23, 2023

Start a new SSH session to your XenServer host and run the commands below. ### Using curl ### [18:18 xcp-node-01 ~]# bash -c “$(curl -sS https://xoa.io/deploy)” ### Using wget ### [18:18 xcp-node-01 ~]# bash -c “$(wget -qO- https://xoa.io/deploy)” If you are using an old XenServer version, you may encounter SSL…

Install transmission on Centos 7

Rumi, August 22, 2023

Step 1. First, you need to enable the EPEL repository on your system. yum install epel-release yum -y update Step 2. Installing Transmission on CentOS 7. Just run the following command to install Transmission: yum install transmission-cli transmission-common transmission-daemon Once complete, you can verify Transmission is installed by running the…

Install Proxmox 7 on Debian 12

Rumi, August 9, 2023

Install a standard Debian Bookworm, for details consider the Debian installation guide, and configure a static IP. Note: The Debian installer performs network configuration by IPv6 autoconfiguration and DHCP by default, if available. To force manual network configuration in the UEFI installer, press E and add netcfg/disable_autoconfig=true to the linux command line. For the…

Fixing Proxmox Delete user failed: cannot update tfa config, following nodes are not up to date:

Rumi, August 2, 2023

Please check if all the nodes are on the same package versions: run pveversion -v and compare the outputs. If they’re not matching, you can run apt update && apt dist-upgrade To upgrade the nodes. if there’s a kernel upgrade you will also need to reboot the machines. If after…

Fixing Yum Update on Centos 8 Stream Error: Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs in mirrorlist

Rumi, July 24, 2023

I had installed a minimalist CentOS 8 on one of my servers. Installation went successful, however, when I tried to update the system using yum update I see this error message: Failed to download metadata for repo. Below is the complete error. [root@autocontroller ~]# yum update CentOS-8 – AppStream 70 B/s |…

29 organisations listed as ‘critical information infrastructure’ under DSA

Rumi, July 18, 2023

The ICT Division on Monday declared 29 organisations as ‘critical information infrastructure’ under the Digital Security Act for the safety of sensitive data under which any illegal access to computers, digital devices or networks is a punishable offence. ‘Critical information infrastructure’ in the controversial Act means any external or virtual…

Adding NextCloud as a Windows Drive using Rclone

Rumi, July 13, 2023

Pretty Straightforward- rclone config choose “n” for “New remote” choose name for Nextcloud –> rshare (or any name you want to keep as rclone config name) choose “Type of Storage” –> Webdav provide Nextcloud URL for webdav access –> https://<nextclouddomain>/remote.php/dav/uploads/<user>/ choose Vendor –> Nextcloud specify “user” –> (see `<user>` in…

Set up your site-to-site VPN with Access Server using OpenVPN

Rumi, July 9, 2023

Allow access to private subnets Sign in to the Admin Web UI for your Access Server. Click Configuration > VPN Settings. Under Routing, and Should VPN clients have access to private subnets (non-public networks on the server side)?, click Yes, using Routing. Click Specify the private subnets to which all…

Setting up a PPPoE server on Linux CentOS 7

Rumi, July 8, 2023

Method-1 Build PPPoE, success, I think the TM super simple, in CentOS is about 5 steps can be done 1, install PPPoE, after the installation is complete, there will be pppoe-server command Yum Install Rp-pppoe 2, after the installation is completed, will be in the/ETC/PPP directory generated pppoe-server-options files, the…

VNC Client Access on Proxmox KVM guests

Rumi, June 30, 2023

Configure VNC Access in the Configuration File Add a line to the VM’s configuration file /etc/pve/local/qemu-server/<VMID>.conf which specifies the VNC display number as follows (“77” in the example below): args: -vnc 0.0.0.0:77 If you want to use password protection, add: args: -vnc 0.0.0.0:77,password=on The display number can be freely chosen,…