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Several utilities offer a snapshot of system performance – from Top or Uptime to Iostat, Netstat, and Mpstat – but what if you only learn of a bottleneck after it has happened? Sar to the rescue.
In most cases, log messages are managed by a Syslog server. The Fedora project wants to take a new approach in future releases. This change is to come from systemd’s journal.
A big advantage in virtualization is the ability to move systems from one host to another without exposing the user to a long period of downtime. To that end, the hypervisor and storage component need to cooperate.
The new PostgreSQL 9.3 release introduces several speed and usability improvements, as well as SQL standards compliance.
Criminals often focus on browsers for various attacks because they are a worthwhile, attractive, and often easy target. However, admins can investigate such attacks with forensic tools that provide the ability to reconstruct browser sessions.
With Windows 8.1, Microsoft tries to correct the mistakes made in Windows 8 that are still keeping users and companies from using the new operating system. Besides the half-hearted revival of the Start button and the ability to boot directly into the desktop, it includes some interesting features.
The Boto Python module helps admins manage resources in the Amazon Cloud. We introduce you to the tool.
Logfiles contain extremely useful traces of everyday events – if only they weren’t so boring. Fortunately, special tools help you generate and even animate colorful, easily interpretable graphics.
Although commercial Linux backup tools are available, many people prefer open source to better understand and control the backup process. One open source tool that can do both full and incremental backups is rsync.
We provide an overview of FreeNAS and ZFS, its main filesystem, then show you how to set up and maintain a FreeNAS installation.
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