Articles

© J. Allspaw and P. Hammond 2009

© J. Allspaw and P. Hammond 2009

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.
Lead Image © kateleigh, 123RF.com

Lead Image © kateleigh, 123RF.com

Distributed storage with Sheepdog

The Sheepdog distributed storage tool exhibits pronounced doggedness and deserves appropriate attention, benefiting projects such as QEMU and OpenStack.
Lead Image © joseasreyes, 123RF.com

Lead Image © joseasreyes, 123RF.com

Disaster recovery for Windows servers

Need to fix a Windows server? We'll discuss some techniques for getting your system back. You'll also learn some tricks for Active Directory and Exchange.
Lead Image © alphaspirit, 123RF.com

Lead Image © alphaspirit, 123RF.com

Hardware MFA: Death to the password!

Around since the 1960s, passwords are still the mainstay for authentication. The good news is you have alternatives in hardware multifactor authentication.
Lead Image © Luis Louro, 123RF.com

Lead Image © Luis Louro, 123RF.com

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.
Lead Image © John McAllister, 123RF.com

Lead Image © John McAllister, 123RF.com

Multifactor authentication from FIDO

The FIDO Alliance is working to build open solutions for the future of authentication.
Lead Image © rasslava, 123RF.com

Lead Image © rasslava, 123RF.com

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.
Lead Image © Valentin Volkov, 123RF.com

Lead Image © Valentin Volkov, 123RF.com

Save and Restore Linux Processes with CRIU

With CRIU, you can freeze the current state of a process and save it, then bring it back to life and continue from the point at which it was frozen.
Lead Image © Lisa Young, 123RF.com

Lead Image © Lisa Young, 123RF.com

Nagios Passive Checks

Why spam yourself with useless notifications every time a script completes successfully? You can use Nagios to screen the notices and just send the ones that need action.
Lead Image © Andrea, Fotolia.com

Lead Image © Andrea, Fotolia.com

Live Kernel Update Tools

Two projects by Red Hat and SUSE – Kpatch and kGraft – attempt to patch the kernel with security updates on the fly. We look at features in these two tools and their suitability for production use.
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