相信大家在学习Ubuntu系统的时候都接触过GI，但是并没有去深究，对于Ubuntu Server上如何安装Gi是不是很多人都还不会呢？
那么小编就为大家介绍Ubuntu Server上安装Gi的方法。
首先安装SSH Server:
打开Ubuntu Server终端，输入如下代码：
sudo apt-get install openssh-server
生成RSA Key(请su到普通用户来执行此命令):
ssh-keygen -t rsa
修改配置文件/etc/ssh/sshd_config：
Port 22 # 修改成你想要的登陆端口,如2222
PermitRootLogin no # 禁止root用户登陆
StrictModes yes # 检查密钥的用户和权限是否正确，默认打开的
RSAAuthentication yes # 启用 RSA 认证
PubkeyAuthentication yes # 启用公钥认证
PasswordAuthentication no # 禁止密码认证，默认是打开的
ServerKeyBits 1024 # 修改后变为此状态，将ServerKey强度改为1024比特
PermitEmptyPasswords no # 修改后变为此状态，禁止空密码进行登录
将id_rsa文件拷贝到Client端的~/.ssh/目录下，将id_rsa.pub拷贝到Server端的~/.ssh/目录下，改名为authorized_keys，重启SSH服务：
sudo /etc/init.d/ssh restart
安装Git软件：
sudo apt-get install git-core
安装Gitosis：
mkdir ~/src
cd ~/src
git clone git://http://eagain.net/gitosis
cd gitosis
sudo python setup.py install
增加git用户：
sudo adduser –system –shell /bin/sh –gecos ‘git version control’ –group –disabled-password –home /home/git git
初始化git目录，USER指在当前服务器的用户：
sudo -H -u git gitosis-init < /home/USER/.ssh/authorized_keys
sudo chmod 755 /home/git/repositories/gitosis-admin.git/hooks/post-update
在Client端执行：
git clone git@YOUR_SERVER:gitosis-admin.git
cd gitosis-admin
在gitosis.conf配置文件中增加：
[group myapp]
members = vince@urbanpuddle
writable = myapp
然后提交：
git commit -a -m “created a new repository”
git push
创建目录并提交文件
mkdir myapp
cd myapp
编辑.gitignore加入要忽略的文件
.DS_Store
然后执行：
cd myapp
git init
git remote add origin git@YOUR_SERVER:myapp.git
git add .
git commit -a -m “initial import”
git push origin master:refs/heads/master
上文就是小编为大家介绍Ubuntu Server上如何安装Gi的内容，虽然我们已经掌握了不少技巧，
但是在使用的时候还是要注意很多的地方
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