Articles
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.
Distributed storage with Sheepdog
The Sheepdog distributed storage tool exhibits pronounced doggedness and deserves appropriate attention, benefiting projects such as QEMU and OpenStack.
Comparing Ceph and GlusterFS
Many shared storage solutions are currently vying for users’ favor; however, Ceph and GlusterFS generate the most press. We compare the two competitors and reveal the strengths and weaknesses of each solution.
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.
Port Knocking
To ensure that the data on your computers remains accessible only by you and those with whom you want to share, we look at the advantages of combining TCP Wrappers and port knocking.
Multifactor authentication from FIDO
The FIDO Alliance is working to build open solutions for the future of authentication.
ZFS on Linux helps if the ZFS FUSE service refuses to work
The new version 10 of FreeBSD can cause Linux admins problems when attempting to reconstruct data from ZFS pools. The solution comes courtesy of the ZFS on Linux project.
Building better software on schedule with DevOps
DevOps makes IT departments more efficient and makes their employees happier – but what is it? We describe some basic ingredients of the DevOps recipe.
Do You Know Juno?
The OpenStack cloud platform plays a major role in the increasingly important cloud industry, so a new release is big news for cloud integrators and admins. The new version 2014.2 "Juno" release mostly cleans up and maintains the working model but adds a few innovations.
Up close with SUSE Linux Enterprise 12
The latest new version of SUSE Linux Enterprise offers some promising new features for admins.
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.
