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How To Install Virtual Tape Library + Bacula

mhVTL is an open source Virtual Tape Library which emulates standaard tape libraries. This can be usefull when testing backup scenarios or tape handling. Here is how I set it up  on CentOS 6.5. Virtual...

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Setting Up Logrotate on RedHat Linux

1. Introduction Logrotate is a utility designed for administrators who manage servers producing a high volume of log files to help them save some disk space as well as to avoid a potential risk...

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Tips to Speed Up your PHP Website/Application

Your website acts as a communication interface between your office/organization and your customers/visitors/users. Slow loading websites causes users to close the webpage. Slow speed websites are used in google ranking algorithms . So here...

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How to encrypt a partition with Cryptoloop on Linux

1. Introduction This article will describe how to encrypt entire partition with a Cryptoloop. Cryptoloop is a disk encryption module for Linux. It was first introduced in the 2.5.x kernel series. Cryptoloop has an ability...

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How To Configure Network Bonding on Debian

Bonding This article will show how to “bond” two Ethernet connections together to create an auto failover interface. Installation First install the ifenslave-2.6 package, necessary to enable bonding: apt-get install ifenslave-2.6 Shutdown / Unconfigure Existing Interfaces...

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Using OpenSSL to encrypt messages and files on Linux

1. Introduction OpenSSL is a powerful cryptography toolkit. Many of us have already used OpenSSL for creating RSA Private Keys or CSR (Certificate Signing Request). However, did you know that you can use OpenSSL to...

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Getting Started with Varnish

Caching is everywhere. A request from your browser to its destination will pass a cache at almost every node. Your browser has a cache, most web proxy servers cache requests, and web servers like...