Replacing the BIOS battery on a HP Compaq Presario CQ56 – a complete disaster from an engineering standpoint
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 standpointYour own port in the FreeBSD ports tree
Creating your own port in the FreeBSD ports tree makes 3rd party software maintenance at lot easier.
Read More → Your own port in the FreeBSD ports treeDell iDRAC6 and Oracle Java RE 7u51
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 7u51Engineering and precision
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 precisionSSD manufacturers: Wake up!
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!svnserve command line options
The svnserve(8) man page found in Subversion 1.8.5 is a bit outdated.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 This blog post will surely be outdated in (short) time.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 optionsLDAP authentication for Subversion’s svnserve on FreeBSD using SASL, saslauthd, and Novell eDirectory
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 eDirectoryCreating WordPress child themes and preventing automatic linebreaks in pre-tags
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-tagsReferencing IETF RFCs inline in LaTeX
In LaTeX documents without the need for a separate bibliography, these macros might be handy for referencing and creating clickable URLs pointing to IETF RFCs.
Read More → Referencing IETF RFCs inline in LaTeXHappy New Year!
Happy New Year 2014!
Read More → Happy New Year!