Git - delete commit history
# Delete local repository directory.
rm -rf .git
# Initialise local repository directory,
# add and commit all files.
git init
git add .
git commit -m "initial commit"
# Overwrite remote repository with the local directory
git remote add origin git@github.com:<account name>/<repository name>.git
git push -u --force origin main
NetCat - test reverse proxy
# Server
while true ; do nc -l -p 3000 -c 'echo -e "HTTP/1.1 200 OK\n\n $(date)"'; done
# Client
curl <ip:port>
NMAP - scan all 65535 ports
nmap -p- 192.168.1.1