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Archive for 2010

MySQL + SELinux: Can't change dir (Errcode: 13)

If you're using a non-standard MySQL data directory on your Red Hat Enterprise Linux (RHEL) server, you may have seen an error like /usr/libexec/mysqld: Can't change dir to '/mysql_data/' (Errcode: 13). The key to fixing this problem is to ensure the new MySQL data directory has the proper SELinux security context. In my case: # […]

Categories: System Administration

VirtualBox 3.2.10 Released

Oracle's VirtualBox 3.2.10 was released today. This another maintenance release for 3.2 that includes a wide variety of bug fixes. Check out the Changelog for more details. I use VirtualBox on both my Macs for my various testing needs. If you've got a favorite desktop virtualization program, leave a comment and tell us about it.

Categories: Software

BIP / BTOP Selection Process Complete

The Rural Utilities Service (RUS) and National Telecommunications and Information Administration (NTIA) have announced through their respective websites that all applications selected to receive a reward under the American Recovery and Reinvestment Act of 2009 have been notified. This officially concludes the application and selection process. For those of us that have been watching this […]

Categories: Information Systems

Oracle Introduces the Exalogic Elastic Compute Cloud

During his keynote speech at Oracle OpenWorld, Larry Ellison announced the launch of the Exalogic Elastic Compute Cloud. This appliance includes 30 Sun servers with 360 processor cores, 2.8 TB RAM, and a built-in storage unit capable of 40 GB/sec. Bundled software includes: the WebLogic application server, Solaris or Oracle Linux, JRockit, HotSpot, Oracle's hypervisor, […]

Categories: System Administration

Adding & Removing Dynamic Queue Members (Asterisk 1.4+)

In Asterisk 1.4 and above, you can dynamically add and remove queue members from an extension or the command-line interface (CLI). Although you will most likely do most of your adding and removing via extensions, you might also find it helpful to remove a queue member by hand on occasion. Extension Commands These commands can […]

Categories: Voice / Voice over IP