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87 lines
2.3 KiB
Markdown
87 lines
2.3 KiB
Markdown
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# General
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GIT is a version control software, that allows you to save the progress of software/text/whatever development.
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It is probably best know from GitHub, but we will show how to set up your own GIT instance and how to use it.
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## Installing GIT
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### What you need
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1. A working server, being it self-hosted at home or a remote instance, called REMOTE in the following
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2. A local machine that you develop whatever on, called LOCAL in the following
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### Installing GIT
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On the LOCAL machine, use your favorite package manager, for example
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```sh
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pacman -S git
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```
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The same holds for the REMOTE machine, but here I would advice, to use some LTS distro, so probably
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```sh
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sudo apt install git
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```
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### Setting up the Server
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First we have to add the git-user on the REMOTE, give him a password and enable ssh logins.
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```sh
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sudo adduser git
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su git
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passwd
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cd
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mkdir .ssh & chmod 700 .ssh
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touch .ssh/authorized_keys && chmod 600 .ssh/authorized_keys
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```
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Now add the ssh public keys of your LOCAL machine to the `authorized_keys` file on the REMOTE.
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For this on the LOCAL machine generate a key-pair using `ssh-keygen -t rsa` if you don't have one yet.
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Then copy the content of `LOCAL/.ssh/id_rsa.pub` to the `REMOTE/.ssh/authorized_keys` file.
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## New Repository
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To initialize a repository on the REMOTE server we have to create a new folder and tell git to track this folder.
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This has to be done once for every new repository.
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```sh
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cd
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mkdir NewRepo.git
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cd NewRepo.git
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git init --bare
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```
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On the LOCAL machine we then have to create a folder and tell git to sync this with the server.
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We will assume that `REMOTE` is either the IP or the domain-name of the REMOTE instance.
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```sh
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cd project
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git init
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git add .
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git commit -m 'Initial commit'
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git remote add origin git@REMOTE:/home/git/NewRepo.git
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git push origin master
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```
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## Using Git
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To now sync this folder to other devices use
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```sh
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git clone git@gitserver:/home/git/NewRepo.git
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cd project
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```
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To update the repository go to the folder, add the necessary files using `git add <FILES>` and then commit them using `git commit -m '<MESSAGE>`. These steps can be done as one using
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```sh
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git commit -am 'Fix for README file'
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```
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Now push it to the server using `git push origin master`.
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### Further Info
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- [Git Website](https://git-scm.com/book/en/v2/Git-on-the-Server-Setting-Up-the-Server)
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