SSL and TLS are very complex technologies. If you want to avoid wading through cryptography manuals to harden your HTTPS web server, read on for practical recommendations on establishing, securing, and optimizing your SSL/TLS configuration.
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.
DevOps makes IT departments more efficient and makes their employees happier – but what is it? We describe some basic ingredients of the DevOps recipe.
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.
Many shared storage solutions are currently vying for users' favor; however, Ceph and GlusterFS generate the most press releases. We compare the two competitors and reveal the strengths and weaknesses of each solution.
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.
You don't have to spend a lot of money on expensive tools to read reports and analyze data on your Active Directory network. We show you some free utilities that will help you keep up with your Active Directory.
The Sheepdog distributed storage tool exhibits pronounced doggedness and deserves appropriate attention, benefiting projects such as QEMU and OpenStack.
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.
Admins solve problems ranging from slow servers to failing applications. The first tool I reach for when I need to check on a server with shell access is Top.
The /proc filesystem facilitates the exchange of current data between the system and user. To access the data, you simply read and write to a file. This mechanism is the first step for understanding kernel programming. ü
