How do I make sure only authorized person access my backups stored on the tape drives (DAT, DLT, LTO-4 etc) under Linux or UNIX operating systems? How do I backup /array22/vol4/home/ to /dev/rmt/5mn or /dev/st0 in encrypted mode?
How do I compress and backup files using tar command to another directory on same computer or another Linux computer under Ubuntu Linux?
OpenGL (Open Graphics Library) is a standard specification defining a cross-language, cross-platform API for writing applications that produce 2D and 3D computer graphics. How can I test if my graphics card has OpenGL support under Linux?
How do I remove all spaces from string using shell scripts? I’ve var=”This is a test”, and I’d like to remove all spaces.