If you just created your GitLab account, there is a big chance that you miss the part with adding some SSH keys to your account. In this case, you can’t push your commits from the console. It is normal
And is normal to take this error message:
[email protected]: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.
Solve the problem in Ubuntu
The secret is to generate an SSH key and add it to Account -> Settings -> SSH Keys (in the left menu)
Follow the short instruction below or learn how to create an SSH key from this link – https://docs.gitlab.com/ee/ssh/#options-for-ssh-keys
To do it in MS Windows you need a package named “Git for Windows” (open source) and especially the Git Bash so can execute the SSH commands – download here
Short (optional enter passphrase):
ssh-keygen -t ed25519 -C "email for example or computer name"
To copy the content of the key in linux:
xclip -sel clip < ~/.ssh/id_ed25519.pub
To copy from the Git Bash (Windows)
cat /c/Users/<edit user>/.ssh/id_ed25519.pub | clip
Go to Account -> Settings -> SSH Keys and paste the key
Add keys for all your machines
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