Skip to content
Bots!
Bots!
  • About
    • Myself
    • আমার দোয়া
  • Bookmarks
    • Bookmarks
    • My OCI Bookmarks
    • Useful Proxmox Commands & Links
    • Learning Nano
    • Useful Sites
    • Useful Virtualbox Command
    • Useful MySQL Command
    • Useful Linux Command
    • BTT-CAS
  • Resources
    • Webinar on Cloud Adoption for Project Managers
  • Photos
  • Videos
  • Downloads
Bots!

Large file split and join in linux

Rumi, July 19, 2021

Let’s assume we have a large file of 102 GB and named as “vzdump-lxc-103-2021_07_19-12_05_06.tar.lzo”. We’d like to split this large file into 10GB of partial file. Let’s apply the split command as below- split -b 102400M vzdump-lxc-103-2021_07_19-12_05_06.tar.lzo repo. Wait for a while, the execution continues, and once over, you’ll find…

Continue Reading

Install MongoDB on CentOS 7

Rumi, July 17, 2021

Follow the steps below to install the latest stable version of MongoDB on your CentOS server : Enabling MongoDB repository To add the MongoDB repository to your system, open your text editor and create a new YUM repository configuration file named mongodb-org.repo inside the /etc/yum.repos.d/ directory: nano /etc/yum.repos.d/mongodb-org.repo [mongodb-org-4.0] name=MongoDB Repository baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.0/x86_64/ gpgcheck=1 enabled=1…

Continue Reading

Using multiple gateways on Windows system

Rumi, July 3, 2021

If Windows has multiple interfaces connected to several networks that use DHCP, it installs default gateways for all those interfaces. By default, Windows sets the metric of the default gateways to the same, effectively leading to random selection of default gateway. If you want to make Windows to select certain…

Continue Reading

How to change vestacp default 8083 port to a custom port

Rumi, July 2, 2021

nano /usr/local/vesta/nginx/conf/nginx.conf find these lines: # Vhost server { listen 8083; update to a new new port # Vhost server { listen 9000; service vesta restart

Continue Reading

CentOS 7 XFS disk resizing

Rumi, June 4, 2021

Couldn’t find any article that explained step by step how to resize the main disks volume in a CentOS 7 vm. In my example I started witha single disk of 8GB and expanded to 20GB. I have two partitions on disk sda sda1 type Linux for boot sda2 type Linux…

Continue Reading

Proxmox Communication Failure (0) Cluster Node on WebGUI

Rumi, May 21, 2021

Was getting “Communication Failure (0) Cluster Node” Applied the following command on the faulty node- pvecm updatecerts

Continue Reading

Install Virtualbox 5.2/6.1 on Ubuntu 16 headless mode

Rumi, May 21, 2021

Install Prerequisites Before installing VirtualBox 5.2/6.1, please install these packages below if your systems don’t already have them installed…. sudo apt update sudo apt-get install gcc make linux-headers-$(uname -r) dkms Add VirtualBox Repository If you want to always get the latest versions of VirtualBox when they become available, you’ll want…

Continue Reading

Reset user password of Discourse

Rumi, May 21, 2021May 21, 2021

Discourse is an excellent platform- super fast, super organized and super fresh looking. It has quite standarized and additional security options in the application UI. However, found a freat issue of updating any user of this platform as Admin (I was havign difficulties of self user password reset options, as…

Continue Reading

How to remove Virtualbox extpack

Rumi, May 19, 2021

The following commands show examples how to list extension packs and remove one: $ VBoxManage list extpacks Extension Packs: 1 Pack no. 0: Oracle Virtual Machine VirtualBox Extension Pack Version: 4.1.12 Revision: 77218 Edition: Description: USB 2.0 Host Controller, VirtualBox RDP, PXE ROM with E1000 support. VRDE Module: VBoxVRDP Usable:…

Continue Reading

Install webmin on Centos 7 using Yum

Rumi, May 15, 2021

Create and open this new file using your text editor: sudo vi /etc/yum.repos.d/webmin.repo Then add these lines to the file to define the new repository: nano /etc/yum.repos.d/webmin.repo [Webmin] name=Webmin Distribution Neutral #baseurl=http://download.webmin.com/download/yum mirrorlist=http://download.webmin.com/download/yum/mirrorlist enabled=1 Save the file and exit the editor.

Continue Reading
  • Previous
  • 1
  • …
  • 30
  • 31
  • 32
  • …
  • 130
  • Next

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.

Tags

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

Topics

Recent Posts

  • Conversation of Trevor Noah and Ian Bremmer August 7, 2026
  • Multi Thread file downloader for linux CLI July 27, 2026
  • Proxmox Proxy Application for WHMCS and ModulesGarden Plugin May 28, 2026
  • Installing & Configuring Cloud-Init on ISO-Built Ubuntu 22.04 VMs May 27, 2026
  • Upgrdae debian 12 to debian 13 May 22, 2026
  • User Account Control (UAC) or Windows blocks a setup file May 2, 2026
  • Install Proxmox VE on Debian 13 Trixie March 24, 2026
  • Directory Index PHP file March 17, 2026
  • CovermyAss February 27, 2026
  • KVM Cloud Capacity Planning Script (Enhanced) February 20, 2026

Archives

Top Posts & Pages

  • Conversation of Trevor Noah and Ian Bremmer
©2026 Bots! | WordPress Theme by SuperbThemes