Articles
Landscape
Manually maintaining large IT infrastructures almost inevitably leads to errors. Enter Canonical's Landscape, a commercial tool that uses a web interface and an API to gather information, render it graphically, and complete maintenance work.
TheSSS: World's Smallest Server Suite
Want to set up a full-fledged web, file, or proxy server in 10 seconds? No problem with TheSSS, the smallest server suite in the world. The new 8.0 version of this useful Linux distribution weighs in at a mere 30MB.
High Availability without Pacemaker
Managing your cluster could be so simple if it weren't so complicated. The object of many an admin's wrath in such cases is often a single component: Pacemaker. Luckily, other open source tools offer alternative options for high availability.
Managing Linux Memory
Even Linux systems with large amounts of main memory are not protected against bottlenecks and potentially drastic performance degradation because of memory shortage. In this article, we investigate the complex causes and test potential solutions.
OpenLDAP Workshop
Centralized user management with LDAP or Active Directory is the standard today, although many prefer to manage user data manually rather than build this kind of infrastructure. In this article, we look at a better approach with OpenLDAP.
Secure Your KVM Virtual Machines
A common misconception posits that software cannot cause mischief if you lock the system away in a virtual machine, because even if an intruder compromises the web server on the virtual machine, it will only damage the guest. If you believe this, you are in for a heap of hurt.
IPv6 Tables
We design a basic set of ip6tables rules for an IPv6 firewall.
Malware Analysis
We show you how to dig deep to find hidden and covert processes, clandestine communications, and signs of misconduct on your network.
Kickstack: OpenStack with Puppet
Kickstack uses Puppet modules to automate the installation of OpenStack and facilitate maintenance.
Monitoring with collectd 4.3
Collectd 4.3 is a comprehensive monitoring tool with a removable plugin architecture.
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