As discussed in a previous post, multi-factor authentication really makes things more secure. Let’s see how we can secure services like SSH and the Gnome desktop with multi-factor authentication. The Google Authenticator project provides a PAM module than can be integrated with your Linux server or desktop. This PAM module is designed for for home […]
The recent article on Ars Technica, Anatomy of a hack: How crackers ransack passwords like “qeadzcwrsfxv1331” made me realize again how weak password authentication is. True, in this case the MD5 hashes were known, but still it’s only a single factor. Imagine what happens when you reuse a password on multiple sites, and one of […]
One of the biggest differences between Oracle Solaris 11 and previous releases is how provisioning tasks are handled. It's safe to say that just about any installation or update function you can think of has gotten at least an order of magnitude faster, easier, safer, smarter and more powerful -- but still, there's that word
We just released rsyslog 7.4.0, a new stable release which replaces the 7.2 branch. After nine month of hard work, there are many exciting enhancements compared to 7.2, and I thought I give you a quick rundown of the more important new features. Note that while I list some "minor features" at the end of this posting, the list is not complete. I left out those things that are primarily of interest for smaller groups of users.
By default the Linux OS has a very efficient memory management process that should be freeing any cached memory on the machine that it is being run on.