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Category: Configurations (Linux)

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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Postfix Configuration on Centos 5.x

Rumi, December 5, 2011

Let's install Postfix and Dovecot (Dovecot will be our POP3/IMAP server): yum install cyrus-sasl cyrus-sasl-devel cyrus-sasl-gssapi cyrus-sasl-md5 cyrus-sasl-plain postfix dovecot Next we configure SMTP-AUTH and TLS: postconf -e 'smtpd_sasl_local_domain =' postconf -e 'smtpd_sasl_auth_enable = yes' postconf -e 'smtpd_sasl_security_options = noanonymous' postconf -e 'broken_sasl_auth_clients = yes' postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'…

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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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How to setup an OpenLDAP server on Debian or Ubuntu

Rumi, November 18, 2011November 18, 2011

Most enterprises use LDAP as interface to their company structure database. In the Microsoft world is Active Directory the implementation for LDAP. Under Linux is OpenLDAP the common choice for admins. Such LDAP directories are tree based. OpenLDAP is the reference implementation for LDAP v3. The JNDI API inside the…

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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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Nginx Virtualhost Example

Rumi, October 1, 2011

Two Virtual Hosts, Serving Static Files http { index index.html;   server { server_name www.domain1.com; access_log logs/domain1.access.log main;   root /var/www/domain1.com/htdocs; }   server { server_name www.domain2.com; access_log logs/domain2.access.log main;   root /var/www/domain2.com/htdocs; } }

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Linux Distributions

Rumi, September 20, 2011

A must read to learn and know the origins of different flavors of Linux distros. You'l end up wondering 'why didn't I notice this before?…'  🙂 http://en.wikipedia.org/wiki/List_of_Linux_distributions http://www.webmin.com/support.html

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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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endian firewall community defaul root password

Rumi, September 13, 2011

I do not like to read whole documentation to get the default password, it is wasting of time, so I use google to do it. But it was rather hard do find the default password for endian firewall (Yes, I've just installed it for testing purposes). So:   login: root…

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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 DNS Docker icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix Proxmox RDP Softether SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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