Virtual Hosting With PureFTPd And MySQL (Incl. Quota And Bandwidth Management) On CentOS 6.2

This document describes how to install a PureFTPd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota and upload/download bandwidth limits with this setup. Passwords will be stored encrypted as...

Pure FTPd configuration to accept TLS Sessions on Cent OS 6.2

FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more...

Network Protocols in Oracle 11g

TCP/IP   —   The Transmission Control Protocol/Internet Protocol (TCP/IP) is  the standard protocol used in client server environments. TCP/IP with SSL  — TCP/IP with Secure Sockets Layer (SSL) provides authentication (certificates and private keys) encryption. The Oracle Advanced Security option is required for this protocol. SDP  ...

White Hat SEO vs. Black Hat SEO

White Hat SEO SEO is an acronym for Search Engine Optimization. White hat implies that the company uses best practice methods to achieve high search engine rankings. White Hat SEO companies comply with search engine guidelines. The methods yield better results in the long run and efforts are steady and ongoing. White Hat SEO companies take the time to research,...

what is virtualization?

Microsoft bought Connectix Corporation, a provider of virtualization software for Windows and Macintosh based computing, in early 2003. In late 2003, EMC announced its plans to buy VMware for $635 million. Shortly afterwards,...

Best linux netbook distributions

Though netbooks have waned a bit in favor of dosage devices, there’s still a lot of demand for netbooks and netbook-friendly Linux distros in certain circles. Whether you’re looking...

fedora 16 features

Fedora Linux is always pushing the bleeding edge, and has evolved into a versatile, flexible distro with something for everyone, for little old ladies with netbooks to students to powerhouse enterprises. Fedora 16, Verne, is due to be released November 8, 2011, so let’s take a sneak peek at what’s inside. New Goodies Galore Fedora 16 is code-named...

shadow file in linux explained

vijay:$6$1aEszVo.gsdPEr:15107:22:99999:207:205:105345 : 1                                2                     3        4      5        6     7        8            9 1) User login name: This field gives details for user-login 2) Encrypted...

Finding block size in linux

This a small how-to on getting block size of a file system in your Linux machine. To go in to that info we have to gather bit information about...

Multiple user creation in Linux

Some times there will be a requirement for adding multiple users on servers. Using adduser/useradd command we can not make multiple user accounts in one shot. We can write a shell...

Debugging Shell script in Linux

Debugging a shell script is very essential to try out your script for any errors previous to moving in to manufacture. In this post we will see different debugging tips and tricks helpful...

rhel 6 new features

Recently I attended one presentation from Redhat public on RHEL6 features. Some of the mesmerizing features as below. 85% more post(Applications/softwares/tools) then RHEL5 RHEL6 supports up to 4096 CPU’s RAM supported by RHEL6...