VirtualBox – unable to mount Guest Additions ISO file in virtual machine
Solution to the problen of not able to mount VirtualBox Guest Additions CD image and installation of Guest Additions.
Android adb install failure INSTALL_PARSE_FAILED_NO_CERTIFICATES
The download of an Android app with the adb gave the error INSTALL_PARSE_FAILED_NO_CERTIFICATES. Steps for resolving the error are given.
Understanding the GNU Build System
The GNU Build System for generating the scripts and makefiles for building and installing a GNU software package is explained.