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!

OpenDKIM Postfix SMTP Relay Server on Debian -7

Rumi, September 11, 2016February 26, 2024

Install OpenDKIM Before starting the installation, a system update is recommended: sudo apt-get update sudo apt-get dist-upgrade Install OpenDKIM and it’s dependencies: sudo apt-get install opendkim opendkim-tools Additional packages will be listed as dependencies, type yes and press Enter to continue. Configure OpenDKIM A couple of files must be created…

Continue Reading

Perfect way to reset MySQL Root Password on Debian/Ubuntu

Rumi, August 9, 2016

If you forgot your MySQL root password, you can reset it by following these steps. 1. Stop the MySQL service. service mysql stop 2. Start MySQL without password and permission checks. mysqld_safe –skip-grant-tables & 3. Press [ENTER] again if your output is halted. 4. Connect to MySQL. mysql -u root…

Continue Reading

How to install Legacy Photoshop 7 on windows 10

Rumi, July 30, 2016

Regarding the OP’s problem, it appears the installer exe requires to use resources held by other processes. For me it was Skype and Logitech wireless mouse software. To work out what is “blocking” the installer: start  task manager, you’ll see setup.exe running as a background process but consuming no CPU…

Continue Reading

Reset a MySQL root password for Debian

Rumi, July 14, 2016

Use the following steps to reset a MySQL root password by using the command line interface. Stop the MySQL service (Ubuntu and Debian) Run the following command: sudo /etc/init.d/mysql stop (CentOS, Fedora, and Red Hat Enterprise Linux) Run the following command: sudo /etc/init.d/mysqld stop Start MySQL without a password Run…

Continue Reading

Install ioncube on Linux server

Rumi, July 14, 2016

Begin by downloading the latest loaders to your computer from http://www.ioncube.com/loaders.php Extract the contents of the archived file on your local PC to a folder of your choice. Upload the folder IONCUBE via FTP to your domain webspace Now establish an SSH connection with server using a suitable client (e.g….

Continue Reading

ip_conntrack table full, dropping packet

Rumi, July 3, 2016

Last week, I found myself with a server under low load, but it couldn’t make or receive network connections. When I ran dmesg, I found the following line repeating over and over: ip_conntrack: table full, dropping packet I’d seen this message before, but I headed over to Red Hat’s site…

Continue Reading

MDaemon firewall ports to be opened

Rumi, June 24, 2016

Ports to be opened: SMTP inbound / outbound port – 25 MSA inbound port – 587 ODMR inbound port – 366 SMTP SSL port – 465 ActiveSync port – 80 ActiveSync SSL port – 443 BlackBerry Enterprise Server – 3101 POP3 inbound / outbound port – 110 IMAP inbound port…

Continue Reading

Auto installation of Zenoss on CentOS 6

Rumi, June 19, 2016

The simplest way to install Zenoss Core 4.2 on a newly-deployed RHEL/CentOS 64-bit 5/6 system is to use our auto-deploy script, which downloads all required files for you. To use the script, first set up a new server running one of our supported operating systems. Then, as root, run the…

Continue Reading

Very Generic Linux Service Watchdog script

Rumi, June 16, 2016

A strong watchdog script- indeed! #!/bin/bash # # watchdog # # Run as a cron job to keep an eye on what_to_monitor which should always # be running. Restart what_to_monitor and send notification as needed. # # This needs to be run as root or a user that can start…

Continue Reading

User Management in Proxmox

Rumi, June 16, 2016

Proxmox VE authentication server This is a unix like password store (/etc/pve/priv/shadow.cfg). Password are encrypted using the SHA-256 hash method. Users are allowed to change passwords. Terms and Definitions Users A Proxmox VE user name consists of 2 parts: <userid>@<realm>. The login screen on the GUI shows them a separate…

Continue Reading
  • Previous
  • 1
  • …
  • 67
  • 68
  • 69
  • …
  • 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