Here we list quick solution to common problems in Windows, Linux and macOS. We usually provide a stack trace and a simple solution to the problem.
Virtualbox on Ubuntu as host does not show any USB device
SOLVED on Ubuntu: fatal error: libxml/xpath.h: No such file or directory
Fixing the error: Modules/LDAPObject.c:18:10: fatal error: 'sasl.h' file not found
SOLVED: fixing macOS Sierra fatal error: 'openssl/opensslv.h' or 'openssl/aes.h' file not found
Fixing the error in Linu LEDE:
SOLVED: OSX or macOS Sierra, error while installing python with python: zipimport.ZipImportError: can't decompress data; zlib not available
chsh error PAM: Authentication failure
How to exit or quit vim editor
SOLVED: Error: pg_config executable not found.
SOLVED: pip: command not found