See http://lists.freebsd.org/pipermail/freebsd-xen/2013-August/001681.html and http://lists.freebsd.org/pipermail/freebsd-xen/2013-August/001683.html. [R]emove [the] DVD device from [the] problem[atic] virtual machine: # xe vm-list params=uuid name-label=”<your-vm-name>” # xe vbd-list empty=true params=uuid vm-uuid=<your-vm-UUID> # xe vbd-destroy uuid=<vbd-UUID> I can confirm the above steps really makes a FreeBSD stable/9 amd64 XENHVM kernel tick on XenServer 6.2.0. stable/10 and head works out of the box without […]Read More → Making a FreeBSD/amd64 XENHVM kernel boot on XenServer 6.2.0
A student came into my office today and wondered if I could assist him with replacing the BIOS battery on his HP Compaq Presario CQ56 laptop. Sure, I said, not knowing what a daunting task I soon would be facing.Read More → Replacing the BIOS battery on a HP Compaq Presario CQ56 – a complete disaster from an engineering standpoint
The latest Oracle Java RE 7u51 at its normal level of “High” security causes the Dell iDRAC6 virtual console (version 1.95 (Build 05)) to die with this Java trace: java.lang.SecurityException: Missing required Permissions manifest attribute in main jar: https://hostname.some.domain:443/software/avctKVM.jar at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source) at com.sun.deploy.security.DeployManifestChecker.verifyMainJar(Unknown Source) at com.sun.javaws.Launcher.doLaunchApp(Unknown Source) at com.sun.javaws.Launcher.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Simply […]Read More → Dell iDRAC6 and Oracle Java RE 7u51
Engineering needs precision, not context-based guessing. See http://arstechnica.com/information-technology/2014/01/bitrot-and-atomic-cows-inside-next-gen-filesystems/?comments=1&start=219.Read More → Engineering and precision
I find it curious as to why most, if not all, SSD manufacturers are unwilling to disclose the physical disk, the page, and the erase block sizes selected for their SSD products. Such crucial information should be readily available to guide us, the more advanced users, to properly align our partitions and configure efficiency in […]Read More → SSD manufacturers: Wake up!
The svnserve(8) man page found in Subversion 1.8.5 is a bit outdated. For instance, the –compression option is not mentioned at all. This blog post will surely be outdated in (short) time.Read More → svnserve command line options
Here’s a writeup of how I managed to persuade Subversion‘s svnserve running on FreeBSD to authenticate using SASL, Cyrus’ saslauthd, and LDAP on Novell eDirectory.Read More → LDAP authentication for Subversion’s svnserve on FreeBSD using SASL, saslauthd, and Novell eDirectory
I wanted to prevent automatic linebreaks in pre-tags in the “Twenty Fourteen” theme. I followed WordPress’ description on how to create child themes. In the /usr/local/www/wordpress/wp-content/themes directory, I created the twentyfourteen_local directory. In this directory I created the style.css file. The file was given the contents shown below. In the Dashboard, I clicked on Appearance. […]Read More → Creating WordPress child themes and preventing automatic linebreaks in pre-tags