Convert github flavored markdown to PDF
pandoc --from gfm -thtml -o output.pdf requirements are pandoc and wkhtmltopdf As alternative: md2pdf
Bind context menu key in Linux
Some keyboards miss context menu key. To bind right alt as context menu: `bash xmodmap -e "keycode 108 = Menu" `
Nginx log rotation example config
logrotate -- is an utility that helps automate old logs processing.
Get real user ip address while using cloudflare
You, probably, are looking for this: $_SERVER["HTTP_CF_CONNECTING_IP"]
Free ssl certificate
TLDR: certbot certonly --webroot --agree-tos --expand -w /path/to/your/domain/public/dir/ -d,