how to revert a commit in git after push code example

Example 1: revert last push to server

git reset --hard HEAD@{1}
git push -f

Example 2: git undo pushed commit

git reset <previous label or sha1>
git commit -am "commit message"
git push -f <remote-name> <branch-name>  //  git push -f origin master

Example 3: undo git commit after push

git reset <hash> # Run this then merge, commit, and push

Example 4: undo last commit pushed

git reset # commitId
# Exemple
git reset 5310517