wilfred-TILs Collection of short technical stuff I learned during the day. Inspired by https://github.com/jbranchaud/til TIL count: 6 Categories Linux-VM Command-Line-PDF Linux-Debian Firefox Boot Management SSH etc Linux-Debian Difference between apt-get upgrade and apt-get dist-upgrade Linux-VM Running a server on Guest OS and connecting to it from Host OS Command-Line-PDF Recommended: Using qpdf Decrypting a PDF file without OWNER password on the command line Splitting and merging PDF files on the command line Firefox Changing full screen fade and warning message time Boot-Management Restoring lost Windows boot files Using REFInd as your Boot Manager SSH config etc Troubleshooting EFI not recognizing live USB