Author Archives: rudraraj

Debian Jessie Mail Server using Postfix, Dovecot, OpenDKIM, Spamassassin, Amavisd-new and ClamAV

By | March 22, 2016

In this post we will see a Debian Jessie Mail Server using Postfix, Dovecot, OpenDKIM, Spamassassin, Amavisd-new and ClamAV. I will not be digging into the details of the working of mail systems.How ever you may find some good information here. Our test domain is ‘example.com’ and the FQDN of our mail server is ‘mail.example.com’. This… Read More »

CentOS 7 Mail Server Configuration

By | September 6, 2015

In this post we will see a CentOS 7 mail server configuration using postfix, dovecot, opendkim, spamassassin, amavisd and clamav. Our test domain is ‘example.com’ and the FQDN of our mail server is ‘mail.example.com’. Selinux is disabled. 1) Generate self signed ssl certificates cd /etc/ssl openssl genrsa -out mail.example.com.key 2048 openssl req -new -key mail.example.com.key… Read More »

How to install Apache 2.4 from source in CentOS 7

By | June 10, 2015

In this post we will see How to install Apache 2.4 from source in CentOS 7. This will work on CentOS 6 as well. Now a question naturally comes to mind… why to install it from source when prebuilt RPM packages are readily available in the repository..??? There may be many reasons: 1) Apache started serving… Read More »

Install WordPress on Debian Jessie LAMP stack with Nginx Reverse Proxy

By | June 2, 2015

In this post we will see How to Install WordPress on Debian Jessie LAMP stack with Nginx Reverse Proxy. This will be a fairly long post as we will see how get a working LAMP stack up and running first and the Install nginx, enable reverse proxy and do some performance optimization in it, like enabling… Read More »

Nginx HTTP to HTTPS redirection and performance optimization

By | May 23, 2015

HTTP, the Hypertext Transfer Protocol, is the foundation of communication on the Internet. But it is not secure, the communication happens in an unencrypted format. However, HTTPS uses SSL or TLS cryptographic protocol to encrypt the data flow. In this post we will see Nginx HTTP to HTTPS redirection, with Comodo Positive SSL certificate, and performance optimization… Read More »

How to Install Nginx from source in Debian Jessie

By | May 23, 2015

In this post we will see how to Install Nginx from source in Debian jessie. Nginx (pronounced engine-x) is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Igor Sysoev started development of Nginx in 2002, with the first public release in 2004. Nginx is known for its high… Read More »

2012 Rudra, A WordPress Twenty Twelve Child Theme

By | May 19, 2015

2012 Rudra, A WordPress Twenty Twelve Child Theme is based on the original 2012 theme. I have customized it  purely out of Hobby just for my own needs. This child theme is ideal for technical documentation blogs like this one.  Just like the parent theme, this Child theme is also a fully responsive theme that… Read More »

Debian Jessie: Perl warning Setting locale failed

By | May 13, 2015

While upgrading and installing packages on a fresh Debian Jessie droplet on DigitalOcean today, the warning message  perl: warning: Setting locale failed was displayed. This happens because locales are/may not be completely set. By executing the ‘locale’ command, this can be ascertained. The first three lines clearly describe it. root@www:~# locale locale: Cannot set LC_CTYPE to… Read More »