Category Archives: howto
Jenkins install LTS 2.77 TLS error
Just tried an install of 2.77 LTS into a Centos 7 VM. When it started up, failed due to PXIX TLS error. Huh? On the plugin update. sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141) at … Continue reading
WordPress Update Fun
Time to update WordPress to 4.7.3. I used the SVN method. I was using an older version of SVN and required me to update the local checkout. $ svn upgrade Fine. Did it. $ svn sw https://core.svn.wordpress.org/tags/4.7.3/ . svn: E155025: … Continue reading
Fun Conversion Buttermilk Math
For safekeeping, we froze leftover buttermilk into an ice cube tray. 14 cubes. Now I need 2 cups of buttermilk. Weigh a glass using my trusty triple beam balance. 280g Add two random cubes. 340g Add two more. 400g So … Continue reading
API Guidelines
Microsoft recently published ReST API guidelines on GitHub. They are worth reading over if you design ReST APIs. My Highlights: No limit on GET URL length Error response messages (consistency is the key; note the nesting of error info) Pagination: … Continue reading
Welcome to Windows 10
Finally beat the July 28th deadline for upgrading Windows 7 to Windows 10. Made backups with Macrium Reflect first.  Paid for that one, got rid of the perpetually flaky Acronis. Both machines (Intel Core Duo 2Ghz dual-core and old AMD dual … Continue reading
Compacting a VirtualBox VM Centos disk
At work I used Centos 6.4 to convert a large Subversion repo to Git. This required a VM with a 100Gb disk, more than my old iMac could deal with, to the point where I could not update to newer … Continue reading
Fun with Dell Laptop WiDI
I was messing around with the WiDi driver to stream the Grateful Dead show tonite and disabled the Intel Video driver. At this point, the machine started up, did POST, did the swirly page and then a blue dim (not … Continue reading
Dirty Printer Test Page
I started getting vertical dark lines in my ADF scans on the the highly great Canon MF4570dw Laser/Multifunction. Use this to determine location of small bits of dust on your scans. Then clean the glass under the ADF guide, slide … Continue reading
New Windows desktop computer with full C drive? Check OS hibernate settings.
On my new work desktop computer with Windows 7, I noticed a 30Gb file hiberfil.sys filling drive C. Since I don’t use the hibernate function, I can disable it. From a command shell as Administrator G:\> PowerCfg.exe -H off The … Continue reading