linux 的常用操作

1. linux 本地 ssh驗證連接github賬號
2. 本地倉庫連接遠程私有倉庫
3. push/pull操作

Connecting to Github with ssh

1. git local configuration
   If you are using git for the first time, configure the user name and email in the device.

git config --global user.name "username"
git config --global user.email "useremail@xx.xx"

2. add a ssh key

cd ~/.ssh/
ls -al ./ # check if existing SSH keys are present 
ssh-keygen  # else, generating
cat ~/.ssh/xxx.pub

add a new ssh key :https://docs.github.com/en/authentication/connecting-to-github-with-ssh/adding-a-new-ssh-key-to-your-github-account

Connect and pull files from private repo

Prerequisites: you must have already been connected with your github account.
You can git clone private repo by ssh directly.

Connect and push files to private repo

Prerequisites: you must have already been connected with your github account.

1. git push a file from local to remote
   The local device must already be connected with your github account before using the following the commands.

mkdir someDir  # mkdir to connect with remote repo
echo "# something for testing" >> README.md
git init
git add README.md
git commit -m "Test the first commit"
git branch -M main
git remote add origin git@github.com:user/repo-name.git
git remote -v  # check the remote state
git push origin main

Pull

git pull origin main # git pull remote_repo local_repo

Push file

git add yourfile
git commit -m "comment about yourfile"
git push origin main # git push remote_repo local_repo