Cyber criminals don't need access to sensitive information to blackmail their victims. Simply encrypting everyday files can be enough to extort money from users, whose data is only unencrypted after they pay a ransom – and possibly not even then.
Many companies use Active Directory for centrally managing existing systems, but if you mix in Linux systems, you have to take care of a few things, such as different forms of integration. We show you how to connect the FreeIPA identity management framework as an interface to an Active Directory domain.
The easier you can back up and restore data, the better. Mature Linux tools show that performing regular, automated backups doesn't have to be a pain.
Abstraction layers are the alpha and omega in the design of complex architectures. The Linux Storage Stack is an excellent example of well-coordinated layers. Access to storage media is abstracted through a unified interface, without sacrificing functionality.
OpenDaylight provides a flexible solution for setting up a software-defined networking environment. We show you how to get started.
A monitoring system helps avoid unpleasant surprises during operations, but admins need to modify existing solutions to fit a containerized world.
Even if you don't have to have DHCP on your IPv6 network, you might want it anyway. Dhcpy6d is a promising DHCP option for IPv6.
Automation is part of life in the data center, and Puppet is commonly regarded as the King of the Hill, but some users prefer the lean alternative Ansible.
The recon-ng web reconnaissance framework is an important tool in penetration testing.
Deduplicating filesystems like SDFS store redundant data, such as that created by backups, only once, thereby saving valuable disk space. Additionally, the filesystem can distribute the data to be stored across multiple computer nodes.
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