Can't remember how to to change the console framebuffer font - I'm sure it's easy enough in Debian however - have a loot at this thread:
https://www.linuxquestions.org/quest...8/#post4535838
CTRL+Pg UP/Pg Dn scrolls the tty up/down.
Log files are in /var/log/ have a look through syslog, messages and the kernel logs
nano is the easiest CLI text editor to master and is good for lazy people who want to make quick edits of plain text configs.