how to manually boot linux installed on a harddisk using live cd

- boot a linux live cd
- press C on the grub screen to enter grub console
- ls
- ls (hd1,msdos3)/boot/grub
- ls (hd1,msdos3)/home
- set root=(hd1,msdos3)
- ls -l (hd1,msdos3)
- linux /boot/vmlinuz [tab] root=UUID=...
- initrd /boot/initrd [tab]
- boot

reference:

• https://askubuntu.com/questions/516535/how-can-i-use-the-installer-to-manually-boot-into-a-system-without-grub-installe

How to reset Windows 7 password

Change into the Windows/System32/config directory.

sudo chntpw SAM
sudo chntpw -l SAM
sudo chntpw -u "USER NAME" SAM


https://www.techrepublic.com/blog/tr-dojo/reset-windows-passwords-with-the-help-of-linux/

How to extract URLs from a pdf file

grep -ao "https://[[:print:]]*" INFILE