Sys admins turn to rescue systems when faced with difficulties. Four alternatives – Grml, Rescatux, Knoppix, and SystemRescueCd – show what they can do.
Windows 10 brings an updated, fifth release of PowerShell that vastly simplifies the task of managing modules and software packages. The scripting language now also handles various formatted output from commands and selection lists.
Although attacks on computers are numerous and varied, they are predominantly based on the same techniques. Microsoft closes these vulnerabilities on Windows computers using the Enhanced Mitigation Experience Toolkit (EMET).
Oracle offers several approaches to creating a high-availability environment. We look at the Standard Edition and some of the associated drawbacks to achieving this goal.
The PostgreSQL Global Development Group recently introduced the new major version 9.4 of the popular free database, which includes innovative functions as well as a whole range of changes regarding speed and functionality.
Mailman 3.0 is a new major version, released 15 years after version 2.0. We put the new version through its paces and explain the installation procedure and new features.
Etcd, ZooKeeper, Consul, and similar programs are currently the subject of heated debate in the world of configuration management. We investigate the problems they seek to solve and promises they make.
Understanding the I/O pattern of your application is the starting point for improving its I/O performance, especially if I/O is a fairly large part of your application's run time.
The focus for container solutions such as Docker is increasingly shifting to security. Some vulnerabilities have been addressed, with plans to take further steps in the future to secure container virtualization.
Virtual networks and server structures require additional mechanisms to ensure visibility of data streams. We show how to monitor and analyze network functions, even when virtualization is involved.
