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Category: Administrations

OpenLDAP introduction

Rumi, January 16, 2012

This document describes how to build, configure, and operate OpenLDAP Software to provide directory services. This includes details on how to configure and run the Standalone LDAP Daemon, slapd(8). It is intended for new and experienced administrators alike. This section provides a basic introduction to directory services and, in particular,…

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How To Control Access To Unwanted Websites Using URL Blacklist With SafeSquid Proxy Server

Rumi, January 14, 2012January 14, 2012

SafeSquid – Content Filtering Internet Proxy, has many content filtering features that can be used to decide who is allowed what, when and how much on the net. In this tutorial I will describe how to control access to unwanted categories of websites, by using URL Blacklist database with SafeSquid…

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Netstat Command

Rumi, January 11, 2012January 11, 2012

Netstat command displays various network related information such as network connections, routing tables, interface statistics, masquerade connections, multicast memberships etc., In this article, let us review 10 practical unix netstat command examples. 1. List All Ports (both listening and non listening ports)

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Icinga Sample Host cfg file to monitor Windows Server

Rumi, December 8, 2011December 8, 2011

define host{ use             windows-server  ; Inherit default values from a template host_name blk-smsgw ; The name we're giving to this host alias           Windows Server       ; A longer name associated with the host address        10.10.10.1    ; IP address of the host         } definehostgroup{ alias           Windows Servers ; Long name…

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Monitor Windows Service using Nagios (Icinga)

Rumi, December 8, 2011

On the Nagios Server edit the file /usr/local/nagios/etc/objects/windows.cfg: # vi /usr/local/nagios/etc/objects/windows.cfg Add the following to create a new service definition to monitor the process state of WinVNC.exe (VNC Server): # Create a service for monitoring the WinVNC.exe process # Change the host_name to match the name of the host you…

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How to install Java SDK (1.6) and Apache Ant (1.7) on CentOS

Rumi, November 18, 2011November 18, 2011

I had enough with some package managers or alternative ways of installing Java on a server which is running CentOS (RHEL) 4.4 . I think the most straight forward way is the following. I promise by the end of this post you will have Java and Apache Ant running on…

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Enable Directory Listing in Nginx Webserver

Rumi, October 1, 2011

Here is a simple way to enable directory listing in Nginx Webserver. I have a subdomain repository.wowtutorial.org and i want repository.wowtutorial.org to have ability to listing a directory. All we need to do just modify the vhosts or nginx.conf Add autoindex on; Please see the example below Example : #nano…

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PowerDNS Cache dump in CSV

Rumi, September 17, 2011

The objective is simple, a periodic cron cache dump of powerdns recursor on a setup. 1. create a shell code as below using nano- #nano /usr/local/bin/pdns-cache-dump.sh #!/bin/sh DAY=`/bin/date +%Y%m%d` TFILE="/var/log/pdns-cache/$(basename $0).$DAY.csv" rec_control dump-cache $TFILE echo "cache dump completed, dump script by rumi (hasan.emdad@mango.com.bd)"

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Virtuabox: Quick installation on Debian Linux

Rumi, September 17, 2011

step-1 ====== install debian step-2 ======= checking if 'synaptic' 'gedbi' are installted step-3 ====== install xrdp for remote installation step-4 ======== installing webmin

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Canon scanner N340P/ N640P problem on windows 7 or vista Operating System

Rumi, September 15, 2011

I was trying to use my old scanner Canon flatbed scanner "CanoScan N 640P ex" model. The driver installation didn't give any compatibility issue. However, after the OEM driver installed and tried to scan something- I was receiving this error- canocraft cs-p 3.8 profile not found error code 0x24050010 After…

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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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