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Category: Administrations

Proxmox VDI Client

Rumi, September 1, 2023
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Upgrade Ubuntu 14 to Ubuntu 16

Rumi, August 28, 2023

I had a long old ubuntu 14 into my network, had an inevitable action to upgrade it to 16. Apply the simple 2 commands to make the updaration happening- sudo do-release-upgrade Use the below command for Ubuntu 14 machines: sudo apt-get dist-upgrade

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Convert Xen XVA to KVM

Rumi, August 23, 2023

Citrix Xen uses a custom virtual appliance format for import/export called “XVA”. it’s basically a strangely crafted tar-file. You don’t need this program to unpack this tar-file, just use your favourite tar unpacker (tar, gtar, bsdtar). Once unpacked you will end up with a lot of different files, ova.xml (which…

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Debian 8 (Jessie) repo updated-2023

Rumi, August 23, 2023

This worked for Debian 8 (Jessie) replace original /etc/sources.list with: deb http://archive.debian.org/debian/ jessie main non-free contrib deb-src http://archive.debian.org/debian/ jessie main non-free contrib deb http://archive.debian.org/debian-security/ jessie/updates main non-free contrib deb-src http://archive.debian.org/debian-security/ jessie/updates main non-free contribapt-update It will give a keyring error. I tried both:

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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…

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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…

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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…

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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…

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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 |…

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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…

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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 SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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