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# su - git
$ ssh git@127.0.0.1
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PTY allocation request failed on channel 0
ERROR:gitosis.serve.main:Need SSH_ORIGINAL_COMMAND in environment.
Connection to gitserver closed.
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说明 Gitosis 认出了该用户的身份，但由于没有运行任何 Git 命令，所以它切断了连接。那么，现在运行一个实际的 Git 命令 — 克隆 Gitosis 的控制仓库：
在你本地计算机上克隆git仓库
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# cd /tmp
# git clone git@gitserver:gitosis-admin.git
这会得到一个名为 gitosis-admin 的工作目录，主要由两部分组成：
红色为git仓库配置,蓝色为实际仓库保存的文件
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# cd gitosis-admin
# ll -a
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total 20
drwxr-xr-x 4 git git 4096 Aug 12 13:21 .
drwxr-xr-x 4 git git 4096 Aug 12 13:23 ..
drwxr-xr-x 8 git git 4096 Aug 12 13:22 .git
-rwxr-xr-x 1 git git 157 Aug 12 13:21 gitosis.conf
drwxr-xr-x 2 git git 4096 Aug 12 13:20 keydir
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以上操作相当于,系统git用户初始化并成为gitosis管理员,且利用其管理员权限将gitosis-admin仓库clone到本地.
5.添加本地用户john和仓库test到gitosis,并和管理员git合作管理gitosis
1. 用户john添加并发送id_rsa.pub给git
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# su -
# useradd john & passwd john
# su - john
# ssh-keygen -t rsa
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Generating public/private rsa key pair.
Enter file in which to save the key (/home/john/.ssh/id_rsa):
Created directory '/home/john/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/john/.ssh/id_rsa.
Your public key has been saved in /home/john/.ssh/id_rsa.pub.
-----------------------------------------------------------
# cp /home/john/.ssh/id_rsa.pub /tmp
2. gitosis管理员git分配john权限
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# su - git
# mkdir projects
# cd ~/projects
# git clone git@node2.example.com:gitosis-admin
# cd gitosis-admin
# cat gitosis.conf
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[gitosis]
[group gitosis-admin]
writable = gitosis-admin
members = git@node2.example.com
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# ls keydir/
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git@node2.example.com.pub
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# cp /tmp/id_rsa.pub keydir/john.pub
# vi gitosis.conf
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