Articles
Transport Encryption with DANE and DNSSEC
Those who think that enabling STARTTLS in the mail client will make their mail traffic more secure are wrong. Only those who bank on DANE can be sure that a mail server or a firewall will not switch off encryption in transit.
Setting up FreeNAS
FreeNAS offers a range of features to suit your storage needs. We show you how to get started.
Lean on Logwatch
Logging is of such importance in security monitoring and troubleshooting that easy access to the information buried in logfiles is essential. The Logwatch tool monitors logs and analyzes and reports on activities of interest as specified in configuration files.
Zentyal Server 3.5
Some users may struggle when setting up various services, such as web servers, email servers, firewalls, and the like. Zentyal simplifies configuration of all those things, thanks to its intuitive user interface.
Creating SmartOS zones using UCARP
We show how to create highly available SmartOS zones using UCARP.
Security after Heartbleed – OpenSSL and its alternatives
The Heartbleed bug shocked the security community and seriously damaged the reputation of OpenSSL. Luckily, alternatives such as LibreSSL, PolarSSL, and GnuTLS are waiting in the wings.
Up close with SUSE Linux Enterprise 12
The latest new version of SUSE Linux Enterprise offers some promising new features for admins.
Coordinating distributed systems with ZooKeeper
Anyone who manages many clusters should be meticulous in ensuring that organized processes prevail in the distributed server zoo. We describe how Apache ZooKeeper fulfills this task.
Security data analytics and visualization with R
Conduct improved security analysis and visualization of security-related data using R, a scripting language for statistical data manipulation and analysis.
Coming to grips with grep
Now is the time to re-examine and consider again the power of grep and its relatives.
Subscribe to our ADMIN Newsletters
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Most Popular
Support Our Work
ADMIN content is made possible with support from readers like you. Please consider contributing when you've found an article to be beneficial.