Introduction to LVS

Introduction to LVS

Linux Virtual Server, LVS is an advanced load balancing solution for Linux systems. It is an open source project started by Wensong Zhang in May 1998. The mission of the project is to build a high-performance and highly available server for Linux using clustering technology, which provides good scalability, reliability and serviceability. The major work […]

7 Uncommon uses of Iptables

7 Uncommon uses of Iptables

On the web there are plenty of guides related to iptables, the firewall included in all the latest Linux distributions. iptables is a user space application program that allows a system administrator to configure the tables provided by the Linux kernel firewall (implemented as different Netfilter modules) and the chains and rules it stores. Different […]

Cryptography and digital sign with GnuPG 2

Cryptography and digital sign with GnuPG 2

Original article by Maurizio Antonelli In the previous article we presented some basic concepts of encryption and made some examples of symmetrical and asymmetrical keys, we concluded by saying that a good way to get a certificate with an asymmetric key  is GnuPG. GnuPG is open-source and multiplatform. It uses native command line in a […]

Cryptography and digital sign with GnuPG

Cryptography and digital sign with GnuPG

Or email safely Original article by Maurizio Antonelli As well as documentation for those interested, I sincerely hope that it can raise awareness of the non-security of “electronic mail” and help users to take the appropriate implementation tools. Let’s start with this basic idea: “Email is not a secure media for transmitting information.” In fact, […]