High Availability: Configure Piranha for HTTP, HTTPS and MySQL Rumi, April 24, 2013April 24, 2013 In this post we will complete over the Piranha configuration with HTTP and HTTPS load balancing using direct-routing with firewall marks and MySQL load balancing using direct-routing only. HTTP/HTTPS will need to be accessed by users via virtual public IP 130.44.50.120 while MySQL service will be accessed by web servers… Continue Reading
Manage Multiple MySQL Servers using PHPmyAdmin Rumi, April 19, 2013April 19, 2013 In my environment, I have 5 different MySQL database servers running separately under different geographical location. Since it run standalone and not in cluster mode, I need to have one platform to manage these database servers altogether. PHPmyAdmin is able to do this, with some changes on the configuration files…. Continue Reading
CentOS: Configure Piranha as Load Balancer (Direct Routing Method) Rumi, April 19, 2013 I am currently working on a web cluster project using CentOS. In this project, I have 2 web servers running on Apache and mounted the same document root to serve the HTTP content. I also have 2 servers in front of it to become the load balancer and failover to… Continue Reading
Creating a Certificate Signing Request Using Certreq.exe Rumi, April 6, 2013 Create a file named CSRParameters.inf on the C:\ drive using the contents below as a template (replace the single quotes with double quotes): [NewRequest] Subject="CN=mailgw.mango.com.bd,OU=IIG,O=Mango Teleservices Limited,S=Not Applicable,L=Dhaka,C=BD" KeySpec=1 KeyLength=2048 Exportable=TRUE MachineKeySet=TRUE SMIME=False PrivateKeyArchive=FALSE UserProtected=FALSE UseExistingKeySet=FALSE ProviderName="Microsoft RSA SChannel Cryptographic Provider" ProviderType=12 RequestType=PKCS10 KeyUsage=0xa0 Silent=TRUE [EnhancedKeyUsageExtension] OID=1.3.6.1.5.5.7.3.1 Open a command… Continue Reading
Replacing the default (self signed) certificate on a RD Session Host server Rumi, April 1, 2013April 1, 2013 Many times I wanted to get rid of that annoying certificate warning message when I make a RDP connection to a RD Session Host server or a workstation. If you are using RDP inside an Active Directory network, the warning is gone, because the connection is using kerberos for security,… Continue Reading
Configuring DKIM signing in MDaemon Rumi, March 25, 2013March 25, 2013 DomainKeys Identified Mail (DKIM) is an open protocol for protecting email users against email address identity theft and email message content tampering. It does this by providing positive identification of the signer’s identity along with an encrypted “hash” of the message content. To configure and use DKIM: The system administrator… Continue Reading
MDaemon 10.x: Running WorldClient under IIS7.5 on Windows 2008 Rumi, March 25, 2013 Procedure Install the Web Server Role with ISAPI Extensions and ISAPI Filters (for exact steps please consult your Operating System documentation) Open the IIS console Click Start Click All Programs Click Administrative Tools Click Internet Information Services (IIS) Manager On the Connections pane, expand the [Machine_name] node Right click on… Continue Reading
Using DKIM to Authenticate Email Message Rumi, March 25, 2013September 11, 2016 Domain Keys Identified Mail (DKIM) defines a domain-level authentication mechanism that lets your organization take responsibility for transmitting an email message in a way that can be verified by a recipient. Your organization can be the originating sending site or an intermediary. Your organization’s reputation is the basis for evaluating… Continue Reading
pressflow varnish installation and configuration Rumi, March 24, 2013March 24, 2013 Installation Varnish is the key software that speeds up your web site. It is Open Source, built on industry standards and requires very few resources. Varnish is distributed in the EPEL (Extra Packages for Enterprise Linux) package repositories. However, while EPEL allows new versions to be distributed, it does not… Continue Reading
Munin Installation on Linux Rumi, March 24, 2013 Installation on Debian/Ubuntu? If you are running Debian/Ubuntu?, you are in luck. Munin node Since "Munin Node" is in the standard repository, you can just type: # apt-get install munin-node Munin master Since "Munin master" is in the standard repository, you can just type: # apt-get install munin Installation on… Continue Reading